diff options
Diffstat (limited to 'erts')
86 files changed, 4041 insertions, 2092 deletions
diff --git a/erts/configure.in b/erts/configure.in index 11c428ced7..4a63381eb7 100644 --- a/erts/configure.in +++ b/erts/configure.in @@ -62,9 +62,6 @@ if test x"${ERL_TOP}/erts" != x"$srcdir"; then fi erl_top=${ERL_TOP} -# Remove old configuration information -/bin/rm -f "$ERL_TOP/erts/CONF_INFO" - # echo XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX # echo X # echo "X srcdir = $srcdir" @@ -102,7 +99,7 @@ ERL_XCOMP_SYSROOT_INIT AC_ISC_POSIX -AC_CONFIG_HEADER($host/config.h:config.h.in include/internal/$host/ethread_header_config.h:include/internal/ethread_header_config.h.in include/$host/erl_int_sizes_config.h:include/erl_int_sizes_config.h.in include/$host/erl_native_features_config.h:include/erl_native_features_config.h.in) +AC_CONFIG_HEADER($host/config.h:config.h.in include/internal/$host/ethread_header_config.h:include/internal/ethread_header_config.h.in include/$host/erl_int_sizes_config.h:include/erl_int_sizes_config.h.in) dnl ---------------------------------------------------------------------- dnl Optional features. dnl ---------------------------------------------------------------------- @@ -140,7 +137,7 @@ AS_HELP_STRING([--enable-dirty-schedulers], [enable dirty scheduler support]), [ case "$enableval" in no) enable_dirty_schedulers=no ;; *) enable_dirty_schedulers=yes ;; - esac ], enable_dirty_schedulers=no) + esac ], enable_dirty_schedulers=default) AC_ARG_ENABLE(smp-support, AS_HELP_STRING([--enable-smp-support], [enable smp support]) @@ -729,8 +726,27 @@ esac AC_SUBST(LIBCARBON) -dnl Check if we should/can build a sharing-preserving emulator +_search_path=/bin:/usr/bin:/usr/local/bin:$PATH +AC_PATH_PROG(RM, rm, false, $_search_path) +if test "$ac_cv_path_RM" = false; then + AC_MSG_ERROR([No 'rm' command found]) +fi + +AC_PATH_PROG(MKDIR, mkdir, false, $_search_path) +if test "$ac_cv_path_MKDIR" = false; then + AC_MSG_ERROR([No 'mkdir' command found]) +fi + +_search_path= + + +# Remove old configuration information. +# Next line should be placed after AC_PATH_PROG(RM, ...), but before +# first output to CONN_INFO. So this is just the right place. +$RM -f "$ERL_TOP/erts/CONF_INFO" + +dnl Check if we should/can build a sharing-preserving emulator AC_MSG_CHECKING(if we are building a sharing-preserving emulator) if test "$enable_sharing_preserving" = "yes"; then AC_DEFINE(SHCOPY, [1], @@ -760,27 +776,13 @@ if test "$ac_cv_prog_AR" = false; then AC_MSG_ERROR([No 'ar' command found in PATH]) fi -_search_path=/bin:/usr/bin:/usr/local/bin:$PATH - -AC_PATH_PROG(RM, rm, false, $_search_path) -if test "$ac_cv_path_RM" = false; then - AC_MSG_ERROR([No 'rm' command found]) -fi - -AC_PATH_PROG(MKDIR, mkdir, false, $_search_path) -if test "$ac_cv_path_MKDIR" = false; then - AC_MSG_ERROR([No 'mkdir' command found]) -fi - -_search_path= - # # Get programs needed for building the documentation # ## Delete previous failed configure results if test -f doc/CONF_INFO; then - rm doc/CONF_INFO + $RM doc/CONF_INFO fi AC_CHECK_PROGS(XSLTPROC, xsltproc) @@ -1004,6 +1006,23 @@ case $ERTS_BUILD_SMP_EMU in ;; esac +AC_MSG_CHECKING(whether dirty schedulers should be enabled) +case $ERTS_BUILD_SMP_EMU-$enable_dirty_schedulers in + yes-yes) + DIRTY_SCHEDULER_SUPPORT=yes;; + yes-default) + ## Maybe yes for OTP 19... + DIRTY_SCHEDULER_SUPPORT=no;; + no-default) + DIRTY_SCHEDULER_SUPPORT=no;; + no-yes) + AC_MSG_ERROR([No smp emulator will be built, but dirty schedulers requested]);; + *) + DIRTY_SCHEDULER_SUPPORT=no;; +esac +AC_MSG_RESULT($DIRTY_SCHEDULER_SUPPORT) +AC_SUBST(DIRTY_SCHEDULER_SUPPORT) + if test $ERTS_BUILD_SMP_EMU = yes; then if test $found_threads = no; then @@ -1206,14 +1225,6 @@ esac if test $emu_threads != yes; then enable_lock_check=no enable_lock_count=no - AC_MSG_CHECKING(whether dirty schedulers should be enabled) - if test "x$enable_dirty_schedulers" != "xno"; then - AC_DEFINE(ERL_NIF_DIRTY_SCHEDULER_SUPPORT, 1, [Dirty scheduler support]) - AC_DEFINE(ERL_DRV_DIRTY_SCHEDULER_SUPPORT, 1, [Dirty scheduler support]) - AC_MSG_RESULT(yes) - else - AC_MSG_RESULT(no) - fi else # Threads enabled for emulator EMU_THR_LIB_NAME=$ETHR_LIB_NAME @@ -1233,17 +1244,6 @@ else EMU_THR_DEFS="$EMU_THR_DEFS -DERTS_ENABLE_LOCK_COUNT" fi - AC_MSG_CHECKING(whether dirty schedulers should be enabled) - if test "x$enable_dirty_schedulers" != "xno"; then - EMU_THR_DEFS="$EMU_THR_DEFS -DERTS_DIRTY_SCHEDULERS" - AC_DEFINE(ERTS_DIRTY_SCHEDULERS, 1, [Define if the emulator supports dirty schedulers]) - AC_DEFINE(ERL_NIF_DIRTY_SCHEDULER_SUPPORT, 1, [Dirty scheduler support]) - AC_DEFINE(ERL_DRV_DIRTY_SCHEDULER_SUPPORT, 1, [Dirty scheduler support]) - AC_MSG_RESULT(yes) - else - AC_MSG_RESULT(no) - fi - case $host_os in linux*) AC_MSG_CHECKING([whether dlopen() needs to be called before first call to dlerror()]) @@ -3823,7 +3823,7 @@ if test "$enable_dtrace_test" = "yes" ; then [$RM -f $DTRACE_2STEP_TEST dtrace -G $DTRACE_CPP $DTRACE_BITS_FLAG -Iemulator/beam -o $DTRACE_2STEP_TEST -s emulator/beam/erlang_dtrace.d conftest.$OBJEXT 2>&AS_MESSAGE_LOG_FD if test -f $DTRACE_2STEP_TEST; then - rm $DTRACE_2STEP_TEST + $RM $DTRACE_2STEP_TEST DTRACE_ENABLED_2STEP=yes fi], []) @@ -4030,7 +4030,7 @@ ssl_done=yes # Default only one run # Remove all SKIP files from previous runs for a in ssl crypto ssh; do - /bin/rm -f $ERL_TOP/lib/$a/SKIP + $RM -f $ERL_TOP/lib/$a/SKIP done SSL_DYNAMIC_ONLY=$enable_dynamic_ssl @@ -4627,7 +4627,7 @@ need_java="jinterface ic/java_src" # Remove all SKIP files from previous runs for a in $need_java ; do - /bin/rm -f $ERL_TOP/lib/$a/SKIP + $RM -f $ERL_TOP/lib/$a/SKIP done if test "X$with_javac" = "Xno"; then @@ -4678,7 +4678,7 @@ dnl this deliberately does not believe that 'gcc' is a C++ compiler AC_CHECK_TOOLS(CXX, [$CCC c++ g++ CC cxx cc++ cl], false) # Remove SKIP file from previous run -/bin/rm -f $ERL_TOP/lib/orber/SKIP +$RM -f $ERL_TOP/lib/orber/SKIP if test "$CXX" = false; then echo "No C++ compiler found" > $ERL_TOP/lib/orber/SKIP diff --git a/erts/doc/src/erl.xml b/erts/doc/src/erl.xml index c499fc8081..1bbde7f1e0 100644 --- a/erts/doc/src/erl.xml +++ b/erts/doc/src/erl.xml @@ -627,6 +627,34 @@ <p>Sets the default binary virtual heap size of processes to the size <c><![CDATA[Size]]></c>.</p> </item> + <marker id="+hmax"/> + <tag><c><![CDATA[+hmax Size]]></c></tag> + <item> + <p>Sets the default maximum heap size of processes to the size + <c><![CDATA[Size]]></c>. If <c>+hmax</c> is not given, the default is <c>0</c> + which means that no maximum heap size is used. + For more information, see the documentation of + <seealso marker="erlang#process_flag_max_heap_size"> + <c>process_flag(max_heap_size, MaxHeapSize)</c></seealso>.</p> + </item> + <marker id="+hmaxel"/> + <tag><c><![CDATA[+hmaxel true|false]]></c></tag> + <item> + <p>Sets whether to send an error logger message for processes that reach + the maximum heap size or not. If <c>+hmaxel</c> is not given, the default is <c>true</c>. + For more information, see the documentation of + <seealso marker="erlang#process_flag_max_heap_size"> + <c>process_flag(max_heap_size, MaxHeapSize)</c></seealso>.</p> + </item> + <marker id="+hmaxk"/> + <tag><c><![CDATA[+hmaxk true|false]]></c></tag> + <item> + <p>Sets whether to kill processes that reach the maximum heap size or not. If + <c>+hmaxk</c> is not given, the default is <c>true</c>. For more information, + see the documentation of + <seealso marker="erlang#process_flag_max_heap_size"> + <c>process_flag(max_heap_size, MaxHeapSize)</c></seealso>.</p> + </item> <tag><c><![CDATA[+hpds Size]]></c></tag> <item> <p>Sets the initial process dictionary size of processes to the size diff --git a/erts/doc/src/erl_nif.xml b/erts/doc/src/erl_nif.xml index 7546f7ef81..33a4fee182 100644 --- a/erts/doc/src/erl_nif.xml +++ b/erts/doc/src/erl_nif.xml @@ -138,29 +138,6 @@ ok automatically unloaded when the module code that it belongs to is purged by the code server.</p> - <p><marker id="lengthy_work"/> - As mentioned in the <seealso marker="#WARNING">warning</seealso> text at - the beginning of this document it is of vital importance that a native function - return relatively quickly. It is hard to give an exact maximum amount - of time that a native function is allowed to work, but as a rule of thumb - a well-behaving native function should return to its caller before a - millisecond has passed. This can be achieved using different approaches. - If you have full control over the code to execute in the native - function, the best approach is to divide the work into multiple chunks of - work and call the native function multiple times, either directly from Erlang code - or by having a native function schedule a future NIF call via the - <seealso marker="#enif_schedule_nif"> enif_schedule_nif</seealso> function. Function - <seealso marker="#enif_consume_timeslice">enif_consume_timeslice</seealso> can be - used to help with such work division. In some cases, however, this might not - be possible, e.g. when calling third-party libraries. Then you typically want - to dispatch the work to another thread, return - from the native function, and wait for the result. The thread can send - the result back to the calling thread using message passing. Information - about thread primitives can be found below. If you have built your system - with <em>the currently experimental</em> support for dirty schedulers, - you may want to try out this functionality by dispatching the work to a - <seealso marker="#dirty_nifs">dirty NIF</seealso>, - which does not have the same duration restriction as a normal NIF.</p> </description> <section> <title>FUNCTIONALITY</title> @@ -328,38 +305,161 @@ ok </list></p> </item> - <tag>Long-running NIFs</tag> - <item><p><marker id="dirty_nifs"/>Native functions - <seealso marker="#lengthy_work"> - must normally run quickly</seealso>, as explained earlier in this document. They - generally should execute for no more than a millisecond. But not all native functions - can execute so quickly; for example, functions that encrypt large blocks of data or - perform lengthy file system operations can often run for tens of seconds or more.</p> - <p>If the functionality of a long-running NIF can be split so that its work can be - achieved through a series of shorter NIF calls, the application can either make that series - of NIF calls from the Erlang level, or it can call a NIF that first performs a chunk of the - work, then invokes the <seealso marker="#enif_schedule_nif">enif_schedule_nif</seealso> - function to schedule another NIF call to perform the next chunk. The final call scheduled - in this manner can then return the overall result. Breaking up a long-running function in - this manner enables the VM to regain control between calls to the NIFs, thereby avoiding - degraded responsiveness, scheduler load balancing problems, and other strange behaviours.</p> - <p>A NIF that cannot be split and cannot execute in a millisecond or less is called a "dirty NIF" - because it performs work that the Erlang runtime cannot handle cleanly. - <em>Note that the dirty NIF functionality described here is experimental</em> and that you have to - enable support for dirty schedulers when building OTP in order to try the functionality out. - Applications that make use of such functions must indicate to the runtime that the functions are - dirty so they can be handled specially. To schedule a dirty NIF for execution, the - appropriate flags value can be set for the NIF in its <seealso marker="#ErlNifFunc">ErlNifFunc</seealso> - entry, or the application can call <seealso marker="#enif_schedule_nif">enif_schedule_nif</seealso>, - passing to it a pointer to the dirty NIF to be executed and indicating with the <c>flags</c> - argument whether it expects the operation to be CPU-bound or I/O-bound.</p> - <note><p>Dirty NIF support is available only when the emulator is configured with dirty - schedulers enabled. This feature is currently disabled by default. To determine whether - the dirty NIF API is available, native code can check to see if the C preprocessor macro - <c>ERL_NIF_DIRTY_SCHEDULER_SUPPORT</c> is defined. Also, if the Erlang runtime was built - without threading support, dirty schedulers are disabled. To check at runtime for the presence - of dirty scheduler threads, code can use the <seealso marker="#enif_system_info"><c> - enif_system_info()</c></seealso> API function.</p></note> + <tag><marker id="lengthy_work"/>Long-running NIFs</tag> + + <item><p> + As mentioned in the <seealso marker="#WARNING">warning</seealso> text at + the beginning of this document it is of <em>vital importance</em> that a + native function return relatively quickly. It is hard to give an exact + maximum amount of time that a native function is allowed to work, but as a + rule of thumb a well-behaving native function should return to its caller + before a millisecond has passed. This can be achieved using different + approaches. If you have full control over the code to execute in the + native function, the best approach is to divide the work into multiple + chunks of work and call the native function multiple times. In some + cases this might however not always be possible, e.g. when calling + third-party libraries.</p> + + <p>The + <seealso marker="#enif_consume_timeslice">enif_consume_timeslice()</seealso> + function can be used to inform the runtime system about the lenght of the + NIF call. It should typically always be used unless the NIF executes very + quickly.</p> + + <p>If the NIF call is too lenghty one needs to handle this in one of the + following ways in order to avoid degraded responsiveness, scheduler load + balancing problems, and other strange behaviours:</p> + + <taglist> + <tag>Yielding NIF</tag> + <item> + <p> + If the functionality of a long-running NIF can be split so that + its work can be achieved through a series of shorter NIF calls, + the application can either make that series of NIF calls from the + Erlang level, or it can call a NIF that first performs a chunk of + the work, then invokes the + <seealso marker="#enif_schedule_nif">enif_schedule_nif</seealso> + function to schedule another NIF call to perform the next chunk. + The final call scheduled in this manner can then return the + overall result. Breaking up a long-running function in + this manner enables the VM to regain control between calls to the + NIFs. + </p> + <p> + This approach is always preferred over the other alternatives + described below. This both from a performance perspective and + a system characteristics perspective. + </p> + </item> + + <tag>Threaded NIF</tag> + <item> + <p> + This is accomplished by dispatching the work to another thread + managed by the NIF library, return from the NIF, and wait for the + result. The thread can send the result back to the Erlang + process using <seealso marker="#enif_send">enif_send</seealso>. + Information about thread primitives can be found below. + </p> + </item> + + <tag><marker id="dirty_nifs"/>Dirty NIF</tag> + <item> + + <note> + <p> + <em>The dirty NIF functionality described here + is experimental</em>. Dirty NIF support is available only when + the emulator is configured with dirty schedulers enabled. This + feature is currently disabled by default. The Erlang runtime + without SMP support do not support dirty schedulers even when + the dirty scheduler support has been enabled. To check at + runtime for the presence of dirty scheduler threads, code can + use the + <seealso marker="#enif_system_info"><c>enif_system_info()</c></seealso> + API function. + </p> + </note> + + <p> + A NIF that cannot be split and cannot execute in a millisecond or + less is called a "dirty NIF" because it performs work that the + Erlang runtime cannot handle cleanly. Applications that make use + of such functions must indicate to the runtime that the functions + are dirty so they can be handled specially. To schedule a dirty + NIF for execution, the appropriate flags value can be set for the + NIF in its <seealso marker="#ErlNifFunc"><c>ErlNifFunc</c></seealso> + entry, or the application can call + <seealso marker="#enif_schedule_nif"><c>enif_schedule_nif</c></seealso>, + passing to it a pointer to the dirty NIF to be executed and + indicating with the <c>flags</c> argument whether it expects the + operation to be CPU-bound or I/O-bound. A dirty NIF executing + on a dirty scheduler does not have the same duration restriction + as a normal NIF. + </p> + + <p> + While a process is executing a dirty NIF some operations that + communicate with it may take a very long time to complete. + Suspend, or garbage collection of a process executing a dirty + NIF cannot be done until the dirty NIF has returned, so other + processes waiting for such operations to complete might have to + wait for a very long time. Blocking multi scheduling, i.e., + calling + <seealso marker="erlang#system_flag_multi_scheduling"><c>erlang:system_flag(multi_scheduling, + block)</c></seealso>, might also take a very long time to + complete. This since all ongoing dirty operations on all + dirty schedulers need to complete before the the block + operation can complete. + </p> + + <p> + A lot of operations communicating with a process executing a + dirty NIF can, however, complete while it is executing the + dirty NIF. For example, retreiving information about it via + <c>process_info()</c>, setting its group leader, + register/unregister its name, etc. + </p> + + <p> + Termination of a process executing a dirty NIF can only be + completed up to a certain point while it is executing the + dirty NIF. All Erlang resources such as registered names, + ETS tables, etc will be released. All links and monitors + will be triggered. The actual execution of the NIF will + however <em>not</em> be stopped. The NIF can safely contiue + execution, allocate heap memory, etc, but it is of course better + to stop executing as soon as possible. The NIF can check + whether current process is alive or not using + <seealso marker="#enif_is_current_process_alive"><c>enif_is_current_process_alive</c></seealso>. + Communication using + <seealso marker="#enif_send"><c>enif_send</c></seealso>, + and <seealso marker="#enif_port_command"><c>enif_port_command</c></seealso> + will also be dropped when the sending process is not alive. + Deallocation of certain internal resources such as process + heap, and process control block will be delayed until the + dirty NIF has completed. + </p> + + <p>Currently known issues that are planned to be fixed:</p> + <list> + <item> + <p> + Since purging of a module currently might need to garbage + collect a process in order to determine if it has + references to the module, a process executing a dirty + NIF might delay purging for a very long time. Delaying + a purge operatin implies delaying <em>all</em> code + loding operations which might cause severe problems for + the system as a whole. + </p> + </item> + </list> + + </item> + </taglist> + </item> </taglist> </section> @@ -508,6 +608,10 @@ typedef struct { CPU-bound, its <c>flags</c> field should be set to <c>ERL_NIF_DIRTY_JOB_CPU_BOUND</c>, or for I/O-bound jobs, <c>ERL_NIF_DIRTY_JOB_IO_BOUND</c>.</p> + <note><p>If one of the + <c>ERL_NIF_DIRTY_JOB_*_BOUND</c> flags is set, and the runtime + system has no support for dirty schedulers, the runtime system + will refuse to load the NIF library.</p></note> </item> <tag><marker id="ErlNifBinary"/>ErlNifBinary</tag> <item> @@ -963,6 +1067,13 @@ typedef enum { <fsummary>Determine if a term is a binary</fsummary> <desc><p>Return true if <c>term</c> is a binary</p></desc> </func> + <func><name><ret>int</ret><nametext>enif_is_current_process_alive(ErlNifEnv* env)</nametext></name> + <fsummary>Determine if currently executing process is alive or not.</fsummary> + <desc><p>Return true if currently executing process is currently alive; otherwise + false.</p> + <p>This function can only be used from a NIF-calling thread, and with an + environment corresponding to currently executing processes.</p></desc> + </func> <func><name><ret>int</ret><nametext>enif_is_empty_list(ErlNifEnv* env, ERL_NIF_TERM term)</nametext></name> <fsummary>Determine if a term is an empty list</fsummary> <desc><p>Return true if <c>term</c> is an empty list.</p></desc> @@ -993,15 +1104,10 @@ typedef enum { <func><name><ret>int</ret><nametext>enif_is_on_dirty_scheduler(ErlNifEnv* env)</nametext></name> <fsummary>Check to see if executing on a dirty scheduler thread</fsummary> <desc> - <p>Check to see if the current NIF is executing on a dirty scheduler thread. If the - emulator is built with threading support, calling <c>enif_is_on_dirty_scheduler</c> - from within a dirty NIF returns true. It returns false when the calling NIF is a regular - NIF running on a normal scheduler thread, or when the emulator is built without threading - support.</p> - <note><p>This function is available only when the emulator is configured with dirty - schedulers enabled. This feature is currently disabled by default. To determine whether - the dirty NIF API is available, native code can check to see if the C preprocessor macro - <c>ERL_NIF_DIRTY_SCHEDULER_SUPPORT</c> is defined.</p></note> + <p>Check to see if the current NIF is executing on a dirty scheduler thread. If + executing on a dirty scheduler thread true returned; otherwise false.</p> + <p>This function can only be used from a NIF-calling thread, and with an + environment corresponding to currently executing processes.</p> </desc> </func> <func><name><ret>int</ret><nametext>enif_is_pid(ErlNifEnv* env, ERL_NIF_TERM term)</nametext></name> @@ -1015,7 +1121,8 @@ typedef enum { <func><name><ret>int</ret><nametext>enif_is_port_alive(ErlNifEnv* env, ErlNifPort *port_id)</nametext></name> <fsummary>Determine if a local port is alive or not.</fsummary> <desc><p>Return true if <c>port_id</c> is currently alive.</p> - <p>This function can only be used in a from a NIF-calling thread.</p></desc> + <p>This function is only thread-safe when the emulator with SMP support is used. + It can only be used in a non-SMP emulator from a NIF-calling thread.</p></desc> </func> <func><name><ret>int</ret><nametext>enif_is_process_alive(ErlNifEnv* env, ErlNifPid *pid)</nametext></name> <fsummary>Determine if a local process is alive or not.</fsummary> @@ -1483,9 +1590,7 @@ enif_map_iterator_destroy(env, &iter); <fsummary>Send a port_command to to_port</fsummary> <desc> <p>This function works the same as <seealso marker="erlang#port_command-2">erlang:port_command/2</seealso> - except that it is always completely asynchronous. This call may return false - if it detects that the port is already dead, otherwise it will return true. - </p> + except that it is always completely asynchronous.</p> <taglist> <tag><c>env</c></tag> <item>The environment of the calling process. May not be NULL.</item> @@ -1504,7 +1609,10 @@ enif_map_iterator_destroy(env, &iter); calls to <c>enif_alloc_env</c>, <c>enif_make_copy</c>, <c>enif_port_command</c> and <c>enif_free_env</c> into one call. This optimization is only usefull when a majority of the terms are to be copied from <c>env</c> to the <c>msg_env</c>.</p> - <p>The call may return false if it detects that the command failed for some reason. Otherwise true is returned.</p> + <p>This function return true if the command was successfully sent; otherwise, + false. The call may return false if it detects that the command failed for some + reason. For example, <c>*to_port</c> does not refer to a local port, if currently + executing process, i.e. the sender, is not alive, or if <c>msg</c> is invalid.</p> <p>See also: <seealso marker="#enif_get_local_port"><c>enif_get_local_port</c></seealso>.</p> </desc> </func> @@ -1635,7 +1743,9 @@ enif_map_iterator_destroy(env, &iter); <tag><c>msg</c></tag> <item>The message term to send.</item> </taglist> - <p>Return true on success, or false if <c>*to_pid</c> does not refer to an alive local process.</p> + <p>Return true if the message was successfully sent; otherwise, false. The send + operation will fail if <c>*to_pid</c> does not refer to an alive local process, + or if currently executing process, i.e. the sender, is not alive.</p> <p>The message environment <c>msg_env</c> with all its terms (including <c>msg</c>) will be invalidated by a successful call to <c>enif_send</c>. The environment should either be freed with <seealso marker="#enif_free_env">enif_free_env</seealso> @@ -1653,6 +1763,15 @@ enif_map_iterator_destroy(env, &iter); <desc><p>Get the byte size of a resource object <c>obj</c> obtained by <seealso marker="#enif_alloc_resource">enif_alloc_resource</seealso>.</p></desc> </func> + + <func><name><ret>int</ret><nametext>enif_snprintf(char *str, size_t size, const char *format, ...)</nametext></name> + <fsummary>Format strings and Erlang terms</fsummary> + <desc> + <p>Similar to <c>snprintf</c> but this format string also accepts <c>"%T"</c> which formats Erlang terms. + </p> + </desc> + </func> + <func> <name><ret>void</ret><nametext>enif_system_info(ErlNifSysInfo *sys_info_ptr, size_t size)</nametext></name> <fsummary>Get information about the Erlang runtime system</fsummary> diff --git a/erts/doc/src/erl_tracer.xml b/erts/doc/src/erl_tracer.xml index 2075b962d8..d4c8bbad31 100644 --- a/erts/doc/src/erl_tracer.xml +++ b/erts/doc/src/erl_tracer.xml @@ -67,7 +67,7 @@ <desc> <p>The different trace tags that the tracer will be called with. Each trace tag is described in greater detail in - <seealso marker="#trace">Module:trace/6</seealso> + <seealso marker="#Module:trace/6">Module:trace/6</seealso> </p> </desc> </datatype> @@ -81,7 +81,7 @@ <datatype> <name name="trace_opts" /> <desc> - <p>The options for the tracee. + <p>The options for the tracee.</p> <taglist> <tag><c>timestamp</c></tag> <item>If not set to <c>undefined</c>, the tracer has been requested to @@ -90,10 +90,9 @@ <item>If not set to <c>true</c>, the tracer has been requested to include the output of a match specification that was run.</item> <tag><c>scheduler_id</c></tag> - <item>Set to a number of the scheduler id is to be included by the tracer. + <item>Set to a number if the scheduler id is to be included by the tracer. Otherwise it is set to <c>undefined</c>.</item> </taglist> - </p> </desc> </datatype> <datatype> @@ -114,30 +113,30 @@ <p>The following functions should be exported from a <c>erl_tracer</c> callback module.</p> <taglist> - <tag><seealso marker="#enabled"><c>Module:enabled/3</c></seealso></tag> + <tag><seealso marker="#Module:enabled/3"><c>Module:enabled/3</c></seealso></tag> <item>Mandatory</item> - <tag><seealso marker="#trace"><c>Module:trace/6</c></seealso></tag> + <tag><seealso marker="#Module:trace/6"><c>Module:trace/6</c></seealso></tag> <item>Mandatory</item> - <tag><seealso marker="#enabled_procs"><c>Module:enabled_procs/3</c></seealso></tag> + <tag><seealso marker="#Module:enabled_procs/3"><c>Module:enabled_procs/3</c></seealso></tag> <item>Optional</item> - <tag><seealso marker="#trace_procs"><c>Module:trace_procs/6</c></seealso></tag> + <tag><seealso marker="#Module:trace_procs/6"><c>Module:trace_procs/6</c></seealso></tag> <item>Optional</item> - <tag><seealso marker="#enabled_ports"><c>Module:enabled_ports/3</c></seealso></tag> + <tag><seealso marker="#Module:enabled_ports/3"><c>Module:enabled_ports/3</c></seealso></tag> <item>Optional</item> - <tag><seealso marker="#trace_ports"><c>Module:trace_ports/6</c></seealso></tag> + <tag><seealso marker="#Module:trace_ports/6"><c>Module:trace_ports/6</c></seealso></tag> <item>Optional</item> - <tag><seealso marker="#enabled_running_ports"><c>Module:enabled_running_ports/3</c></seealso></tag> + <tag><seealso marker="#Module:enabled_running_ports/3"><c>Module:enabled_running_ports/3</c></seealso></tag> <item>Optional</item> - <tag><seealso marker="#trace_running_ports"><c>Module:trace_running_ports/6</c></seealso></tag> + <tag><seealso marker="#Module:trace_running_ports/6"><c>Module:trace_running_ports/6</c></seealso></tag> <item>Optional</item> - <tag><seealso marker="#enabled_running_procs"><c>Module:enabled_running_procs/3</c></seealso></tag> + <tag><seealso marker="#Module:enabled_running_procs/3"><c>Module:enabled_running_procs/3</c></seealso></tag> <item>Optional</item> - <tag><seealso marker="#trace_running_procs"><c>Module:trace_running_procs/6</c></seealso></tag> + <tag><seealso marker="#Module:trace_running_procs/6"><c>Module:trace_running_procs/6</c></seealso></tag> <item>Optional</item> </taglist> </section> - <marker id="enabled"></marker> + <funcs> <func> <name>Module:enabled(TraceTag, TracerState, Tracee) -> Result</name> @@ -155,19 +154,17 @@ overhead associated with tracing. If <c>trace</c> is returned the necessary trace data will be created and the trace call-back of the tracer will be called. If <c>discard</c> is returned, this trace call - will be discarded and no call to trace will be done. If - <c>remove</c> is returned, the VM will attempt to remove this tracer - from the tracee, together with any trace flags set on the tracee. + will be discarded and no call to trace will be done. </p> <p><c>trace_status</c> is a special type of <c>TraceTag</c> which is used to check if the tracer should still be active. It is called in multiple scenarios, but most significantly it is used when tracing is started - using this tracer.</p> + using this tracer. If <c>remove</c> is returned when the <c>trace_status</c> + is checked, the tracer will be removed from the tracee.</p> <p>This function may be called multiple times per tracepoint, so it is important that it is both fast and side effect free.</p> </desc> </func> - <marker id="trace"></marker> <func> <name>Module:trace(TraceTag, TracerState, Tracee, FirstTraceTerm, SecondTraceTerm, Opts) -> Result</name> <fsummary>Check if a trace event should be generated.</fsummary> @@ -182,7 +179,7 @@ </type> <desc> <p>This callback will be called when a tracepoint is triggered and - the <seealso marker="#enabled">Module:enabled/3</seealso> + the <seealso marker="#Module:enabled/3">Module:enabled/3</seealso> callback returned <c>trace</c>. In it any side effects needed by the tracer should be done. The tracepoint payload is located in the <c>FirstTraceTerm</c> and <c>SecondTraceTerm</c>. The content @@ -213,7 +210,6 @@ </desc> </func> - <marker id="enabled_procs"></marker> <func> <name>Module:enabled_procs(TraceTag, TracerState, Tracee) -> Result</name> <fsummary>Check if a trace event should be generated.</fsummary> @@ -231,7 +227,6 @@ </desc> </func> - <marker id="trace_procs"></marker> <func> <name>Module:trace_procs(TraceTag, TracerState, Tracee, FirstTraceTerm, SecondTraceTerm, Opts) -> Result</name> <fsummary>Check if a trace event should be generated.</fsummary> @@ -246,13 +241,12 @@ </type> <desc> <p>This callback will be called when a tracepoint is triggered and - the <seealso marker="#enabled_procs">Module:enabled_procs/3</seealso> + the <seealso marker="#Module:enabled_procs/3">Module:enabled_procs/3</seealso> callback returned <c>trace</c>.</p> <p>If <c>trace_procs/6</c> is not defined <c>trace/6</c> will be called instead.</p> </desc> </func> - <marker id="enabled_ports"></marker> <func> <name>Module:enabled_ports(TraceTag, TracerState, Tracee) -> Result</name> <fsummary>Check if a trace event should be generated.</fsummary> @@ -270,7 +264,6 @@ </desc> </func> - <marker id="trace_ports"></marker> <func> <name>Module:trace_ports(TraceTag, TracerState, Tracee, FirstTraceTerm, SecondTraceTerm, Opts) -> Result</name> <fsummary>Check if a trace event should be generated.</fsummary> @@ -285,13 +278,12 @@ </type> <desc> <p>This callback will be called when a tracepoint is triggered and - the <seealso marker="#enabled_ports">Module:enabled_ports/3</seealso> + the <seealso marker="#Module:enabled_ports/3">Module:enabled_ports/3</seealso> callback returned <c>trace</c>.</p> <p>If <c>trace_ports/6</c> is not defined <c>trace/6</c> will be called instead.</p> </desc> </func> - <marker id="enabled_running_procs"></marker> <func> <name>Module:enabled_running_procs(TraceTag, TracerState, Tracee) -> Result</name> <fsummary>Check if a trace event should be generated.</fsummary> @@ -309,7 +301,6 @@ </desc> </func> - <marker id="trace_running_procs"></marker> <func> <name>Module:trace_running_procs(TraceTag, TracerState, Tracee, FirstTraceTerm, SecondTraceTerm, Opts) -> Result</name> <fsummary>Check if a trace event should be generated.</fsummary> @@ -324,13 +315,12 @@ </type> <desc> <p>This callback will be called when a tracepoint is triggered and - the <seealso marker="#enabled_running_procs">Module:enabled_running_procs/3</seealso> + the <seealso marker="#Module:enabled_running_procs/3">Module:enabled_running_procs/3</seealso> callback returned <c>trace</c>.</p> <p>If <c>trace_running_procs/6</c> is not defined <c>trace/6</c> will be called instead.</p> </desc> </func> - <marker id="enabled_running_ports"></marker> <func> <name>Module:enabled_running_ports(TraceTag, TracerState, Tracee) -> Result</name> <fsummary>Check if a trace event should be generated.</fsummary> @@ -348,7 +338,6 @@ </desc> </func> - <marker id="trace_running_ports"></marker> <func> <name>Module:trace_running_ports(TraceTag, TracerState, Tracee, FirstTraceTerm, SecondTraceTerm, Opts) -> Result</name> <fsummary>Check if a trace event should be generated.</fsummary> @@ -363,13 +352,12 @@ </type> <desc> <p>This callback will be called when a tracepoint is triggered and - the <seealso marker="#enabled_running_ports">Module:enabled_running_ports/3</seealso> + the <seealso marker="#Module:enabled_running_ports/3">Module:enabled_running_ports/3</seealso> callback returned <c>trace</c>.</p> <p>If <c>trace_running_ports/6</c> is not defined <c>trace/6</c> will be called instead.</p> </desc> </func> - <marker id="enabled_call"></marker> <func> <name>Module:enabled_call(TraceTag, TracerState, Tracee) -> Result</name> <fsummary>Check if a trace event should be generated.</fsummary> @@ -387,7 +375,6 @@ </desc> </func> - <marker id="trace_call"></marker> <func> <name>Module:trace_call(TraceTag, TracerState, Tracee, FirstTraceTerm, SecondTraceTerm, Opts) -> Result</name> <fsummary>Check if a trace event should be generated.</fsummary> @@ -402,13 +389,12 @@ </type> <desc> <p>This callback will be called when a tracepoint is triggered and - the <seealso marker="#enabled_call">Module:enabled_call/3</seealso> + the <seealso marker="#Module:enabled_call/3">Module:enabled_call/3</seealso> callback returned <c>trace</c>.</p> <p>If <c>trace_call/6</c> is not defined <c>trace/6</c> will be called instead.</p> </desc> </func> - <marker id="enabled_send"></marker> <func> <name>Module:enabled_send(TraceTag, TracerState, Tracee) -> Result</name> <fsummary>Check if a trace event should be generated.</fsummary> @@ -426,7 +412,6 @@ </desc> </func> - <marker id="trace_send"></marker> <func> <name>Module:trace_send(TraceTag, TracerState, Tracee, FirstTraceTerm, SecondTraceTerm, Opts) -> Result</name> <fsummary>Check if a trace event should be generated.</fsummary> @@ -441,13 +426,12 @@ </type> <desc> <p>This callback will be called when a tracepoint is triggered and - the <seealso marker="#enabled_send">Module:enabled_send/3</seealso> + the <seealso marker="#Module:enabled_send/3">Module:enabled_send/3</seealso> callback returned <c>trace</c>.</p> <p>If <c>trace_send/6</c> is not defined <c>trace/6</c> will be called instead.</p> </desc> </func> - <marker id="enabled_receive"></marker> <func> <name>Module:enabled_receive(TraceTag, TracerState, Tracee) -> Result</name> <fsummary>Check if a trace event should be generated.</fsummary> @@ -465,7 +449,6 @@ </desc> </func> - <marker id="trace_receive"></marker> <func> <name>Module:trace_receive(TraceTag, TracerState, Tracee, FirstTraceTerm, SecondTraceTerm, Opts) -> Result</name> <fsummary>Check if a trace event should be generated.</fsummary> @@ -480,13 +463,12 @@ </type> <desc> <p>This callback will be called when a tracepoint is triggered and - the <seealso marker="#enabled_receive">Module:enabled_receive/3</seealso> + the <seealso marker="#Module:enabled_receive/3">Module:enabled_receive/3</seealso> callback returned <c>trace</c>.</p> <p>If <c>trace_receive/6</c> is not defined <c>trace/6</c> will be called instead.</p> </desc> </func> - <marker id="enabled_garbage_collection"></marker> <func> <name>Module:enabled_garbage_collection(TraceTag, TracerState, Tracee) -> Result</name> <fsummary>Check if a trace event should be generated.</fsummary> @@ -504,7 +486,6 @@ </desc> </func> - <marker id="trace_garbage_collection"></marker> <func> <name>Module:trace_garbage_collection(TraceTag, TracerState, Tracee, FirstTraceTerm, SecondTraceTerm, Opts) -> Result</name> <fsummary>Check if a trace event should be generated.</fsummary> @@ -519,7 +500,7 @@ </type> <desc> <p>This callback will be called when a tracepoint is triggered and - the <seealso marker="#enabled_garbage_collection">Module:enabled_garbage_collection/3</seealso> + the <seealso marker="#Module:enabled_garbage_collection/3">Module:enabled_garbage_collection/3</seealso> callback returned <c>trace</c>.</p> <p>If <c>trace_garbage_collection/6</c> is not defined <c>trace/6</c> will be called instead.</p> </desc> @@ -617,7 +598,7 @@ static int upgrade(ErlNifEnv* env, void** priv_data, void** old_priv_data, } /* - * argv[0]: Trace Tag + * argv[0]: TraceTag * argv[1]: TracerState * argv[2]: Tracee */ @@ -626,8 +607,11 @@ static ERL_NIF_TERM enabled(ErlNifEnv* env, int argc, const ERL_NIF_TERM argv[]) ErlNifPid to_pid; if (enif_get_local_pid(env, argv[1], &to_pid)) if (!enif_is_process_alive(env, &to_pid)) - /* tracer is dead so we should remove this tracepoint */ - return enif_make_atom(env, "remove"); + if (enif_is_identical(enif_make_atom(env, "trace_status"), argv[0])) + /* tracer is dead so we should remove this tracepoint */ + return enif_make_atom(env, "remove"); + else + return enif_make_atom(env, "discard"); /* Only generate trace for when tracer != tracee */ if (enif_is_identical(argv[1], argv[2])) @@ -645,7 +629,7 @@ static ERL_NIF_TERM enabled(ErlNifEnv* env, int argc, const ERL_NIF_TERM argv[]) } /* - * argv[0]: Trace Tag, should only be 'send' + * argv[0]: TraceTag, should only be 'send' * argv[1]: TracerState, process to send {argv[2], argv[4]} to * argv[2]: Tracee * argv[3]: Message, ignored diff --git a/erts/doc/src/erlang.xml b/erts/doc/src/erlang.xml index bf30cc7928..e0723127f2 100644 --- a/erts/doc/src/erlang.xml +++ b/erts/doc/src/erlang.xml @@ -4322,6 +4322,7 @@ os_prompt% </pre> </desc> </func> + <marker id="process_flag_min_heap_size"/> <func> <name name="process_flag" arity="2" clause_i="3"/> <fsummary>Sets process flag <c>min_heap_size</c> for the calling process.</fsummary> @@ -4340,9 +4341,95 @@ os_prompt% </pre> <p>Returns the old value of the flag.</p> </desc> </func> - <marker id="process_flag_message_queue_data"/> + <marker id="process_flag_max_heap_size"/> <func> <name name="process_flag" arity="2" clause_i="5"/> + <type name="max_heap_size"/> + <fsummary>Sets process flag <c>max_heap_size</c> for the calling process.</fsummary> + <desc> + <p> + This flag sets the maximum heap size for the calling process. + If <c><anno>MaxHeapSize</anno></c> is an integer, the system default + values for <c>kill</c> and <c>error_logger</c> are used. + <taglist> + <tag><c>size</c></tag> + <item> + <p> + The maximum size in words of the process. If set to zero, the + heap size limit is disabled. Badarg will be thrown if the value is + smaller than + <seealso marker="#process_flag_min_heap_size"><c>min_heap_size</c></seealso>. + The size check is only done when a garbage collection is triggered. + </p> + <p> + <c>size</c> is the entire heap of the process when garbage collection + is triggered, this includes all generational heaps, the process stack, + any <seealso marker="#process_flag_message_queue_data"> + messages that are considered to be part of the heap</seealso> and any + extra memory that the garbage collector needs during collection. + </p> + <p> + <c>size</c> is the same as can be retrieved using + <seealso marker="#process_info_total_heap_size"> + <c>erlang:process_info(Pid, total_heap_size)</c></seealso>, + or by adding <c>heap_block_size</c>, <c>old_heap_block_size</c> + and <c>mbuf_size</c> from <seealso marker="#process_info_garbage_collection_info"> + <c>erlang:process_info(Pid, garbage_collection_info)</c></seealso>. + </p> + </item> + <tag><c>kill</c></tag> + <item> + <p> + When set to <c>true</c> the runtime system will send an + untrappable exit signal with reason <c>kill</c> to the process + if the maximum heap size is reached. The garbage collection + that triggered the <c>kill</c> will not be completed, instead the + process will exit as soon as is possible. When set to <c>false</c> + no exit signal will be sent to the process, instead it will + continue executing. + </p> + <p> + If <c>kill</c> is not defined in the map + the system default will be used. The default system default + is <c>true</c>. It can be changed by either the erl + <seealso marker="erl#+hmaxk">+hmaxk</seealso> option, + or <seealso marker="#system_flag_max_heap_size"><c> + erlang:system_flag(max_heap_size, MaxHeapSize)</c></seealso>. + </p> + </item> + <tag><c>error_logger</c></tag> + <item> + <p> + When set to <c>true</c> the runtime system will send a + message to the current <seealso marker="kernel:error_logger"><c>error_logger</c></seealso> + containing details about the process when the maximum + heap size is reached. One <c>error_logger</c> report will + be sent each time the limit is reached. + </p> + <p> + If <c>error_logger</c> is not defined in the map the system + default will be used. The default system default is <c>true</c>. + It can be changed by either the erl <seealso marker="erl#+hmaxel">+hmaxel</seealso> + option, or <seealso marker="#system_flag_max_heap_size"><c> + erlang:system_flag(max_heap_size, MaxHeapSize)</c></seealso>. + </p> + </item> + <p> + The heap size of a process is quite hard to predict, especially the + amount of memory that is used during the garbage collection. When + contemplating using this option, it is recommended to first run + it in production with <c>kill</c> set to <c>false</c> and inspect + the <c>error_logger</c> reports to see what the normal peak sizes + of the processes in the system is and then tune the value + accordingly. + </p> + </taglist> + </p> + </desc> + </func> + <marker id="process_flag_message_queue_data"/> + <func> + <name name="process_flag" arity="2" clause_i="6"/> <fsummary>Set process flag <c>message_queue_data</c> for the calling process</fsummary> <type name="message_queue_data"/> <desc> @@ -4392,7 +4479,7 @@ os_prompt% </pre> </desc> </func> <func> - <name name="process_flag" arity="2" clause_i="6"/> + <name name="process_flag" arity="2" clause_i="7"/> <fsummary>Sets process flag <c>priority</c> for the calling process.</fsummary> <type name="priority_level"/> <desc> @@ -4466,7 +4553,7 @@ os_prompt% </pre> </func> <func> - <name name="process_flag" arity="2" clause_i="7"/> + <name name="process_flag" arity="2" clause_i="8"/> <fsummary>Sets process flag <c>save_calls</c> for the calling process.</fsummary> <desc> <p><c><anno>N</anno></c> must be an integer in the interval 0..10000. @@ -4497,7 +4584,7 @@ os_prompt% </pre> </func> <func> - <name name="process_flag" arity="2" clause_i="8"/> + <name name="process_flag" arity="2" clause_i="9"/> <fsummary>Sets process flag <c>sensitive</c> for the calling process.</fsummary> <desc> <p>Sets or clears flag <c>sensitive</c> for the current process. @@ -4551,6 +4638,7 @@ os_prompt% </pre> <type name="process_info_result_item"/> <type name="priority_level"/> <type name="stack_item"/> + <type name="max_heap_size" /> <type name="message_queue_data" /> <desc> <p>Returns a list containing <c><anno>InfoTuple</anno></c>s with @@ -4604,6 +4692,7 @@ os_prompt% </pre> <type name="process_info_result_item"/> <type name="stack_item"/> <type name="priority_level"/> + <type name="max_heap_size" /> <type name="message_queue_data" /> <desc> <p>Returns information about the process identified by @@ -4696,6 +4785,7 @@ os_prompt% </pre> The content of <c><anno>GCInfo</anno></c> can be changed without prior notice.</p> </item> + <marker id="process_info_garbage_collection_info"/> <tag><c>{garbage_collection_info, <anno>GCInfo</anno>}</c></tag> <item> <p><c><anno>GCInfo</anno></c> is a list containing miscellaneous @@ -4875,6 +4965,7 @@ os_prompt% </pre> total suspend count on <c><anno>Suspendee</anno></c>, only the parts contributed by <c><anno>Pid</anno></c>.</p> </item> + <marker id="process_info_total_heap_size"/> <tag><c>{total_heap_size, <anno>Size</anno>}</c></tag> <item> <p><c><anno>Size</anno></c> is the total size, in words, of all heap @@ -5569,6 +5660,7 @@ true</pre> <name name="spawn_opt" arity="2"/> <fsummary>Creates a new process with a fun as entry point.</fsummary> <type name="priority_level"/> + <type name="max_heap_size" /> <type name="message_queue_data" /> <type name="spawn_opt_option" /> <desc> @@ -5586,6 +5678,7 @@ true</pre> <name name="spawn_opt" arity="3"/> <fsummary>Creates a new process with a fun as entry point on a given node.</fsummary> <type name="priority_level"/> + <type name="max_heap_size" /> <type name="message_queue_data" /> <type name="spawn_opt_option" /> <desc> @@ -5602,6 +5695,7 @@ true</pre> <name name="spawn_opt" arity="4"/> <fsummary>Creates a new process with a function as entry point.</fsummary> <type name="priority_level"/> + <type name="max_heap_size" /> <type name="message_queue_data" /> <type name="spawn_opt_option" /> <desc> @@ -5705,6 +5799,16 @@ true</pre> fine-tuning an application and to measure the execution time with various <c><anno>VSize</anno></c> values.</p> </item> + <tag><c>{max_heap_size, <anno>Size</anno>}</c></tag> + <item> + <p>Sets the <c>max_heap_size</c> process flag. The default + <c>max_heap_size</c> is determined by the + <seealso marker="erl#+hmax"><c>+hmax</c></seealso> <c>erl</c> + command line argument. For more information, see the + documentation of + <seealso marker="#process_flag_max_heap_size"><c>process_flag(max_heap_size, + <anno>Size</anno>)</c></seealso>.</p> + </item> <tag><c>{message_queue_data, <anno>MQD</anno>}</c></tag> <item> <p>Sets the state of the <c>message_queue_data</c> process @@ -5725,6 +5829,7 @@ true</pre> <name name="spawn_opt" arity="5"/> <fsummary>Creates a new process with a function as entry point on a given node.</fsummary> <type name="priority_level"/> + <type name="max_heap_size" /> <type name="message_queue_data" /> <type name="spawn_opt_option" /> <desc> @@ -6506,8 +6611,25 @@ ok </desc> </func> + <marker id="system_flag_max_heap_size"></marker> <func> <name name="system_flag" arity="2" clause_i="8"/> + <type name="max_heap_size"/> + <fsummary>Sets system flag <c>max_heap_size</c></fsummary> + <desc> + <p> + Sets the default maximum heap size settings for processes. + The size is given in words. The new <c>max_heap_size</c> + effects only processes spawned efter the change has been made. + <c>max_heap_size</c> can be set for individual processes using + <seealso marker="#spawn_opt/4">spawn_opt/N</seealso> or + <seealso marker="#process_flag_message_queue_data">process_flag/2</seealso>.</p> + <p>Returns the old value of the flag.</p> + </desc> + </func> + + <func> + <name name="system_flag" arity="2" clause_i="9"/> <fsummary>Sets system flag <c>multi_scheduling</c>.</fsummary> <desc> <p><marker id="system_flag_multi_scheduling"></marker> @@ -6557,7 +6679,7 @@ ok </func> <func> - <name name="system_flag" arity="2" clause_i="9"/> + <name name="system_flag" arity="2" clause_i="10"/> <fsummary>Sets system flag <c>scheduler_bind_type</c>.</fsummary> <type name="scheduler_bind_type"/> <desc> @@ -6675,7 +6797,7 @@ ok </func> <func> - <name name="system_flag" arity="2" clause_i="10"/> + <name name="system_flag" arity="2" clause_i="11"/> <fsummary>Sets system flag <c>scheduler_wall_time</c>.</fsummary> <desc><p><marker id="system_flag_scheduler_wall_time"></marker> Turns on or off scheduler wall time measurements.</p> @@ -6685,7 +6807,7 @@ ok </func> <func> - <name name="system_flag" arity="2" clause_i="11"/> + <name name="system_flag" arity="2" clause_i="12"/> <fsummary>Sets system flag <c>schedulers_online</c>.</fsummary> <desc> <p><marker id="system_flag_schedulers_online"></marker> @@ -6710,7 +6832,7 @@ ok </func> <func> - <name name="system_flag" arity="2" clause_i="12"/> + <name name="system_flag" arity="2" clause_i="13"/> <fsummary>Sets system flag <c>trace_control_word</c>.</fsummary> <desc> <p>Sets the value of the node trace control word to @@ -6724,7 +6846,7 @@ ok </func> <func> - <name name="system_flag" arity="2" clause_i="12"/> + <name name="system_flag" arity="2" clause_i="14"/> <fsummary>Finalize the Time Offset</fsummary> <desc> <p><marker id="system_flag_time_offset"></marker> @@ -6991,6 +7113,81 @@ ok </func> <func> + <name name="system_info" arity="1" clause_i="27"/> + <name name="system_info" arity="1" clause_i="28"/> + <name name="system_info" arity="1" clause_i="36"/> + <name name="system_info" arity="1" clause_i="37"/> + <name name="system_info" arity="1" clause_i="38"/> + <name name="system_info" arity="1" clause_i="39"/> + <type name="message_queue_data"/> + <type name="max_heap_size"/> + <fsummary>Information about the default process heap settings.</fsummary> + <desc> + <taglist> + <tag><c>fullsweep_after</c></tag> + <item> + <p>Returns <c>{fullsweep_after, integer() >= 0}</c>, which is + the <c>fullsweep_after</c> garbage collection setting used + by default. For more information, see + <c>garbage_collection</c> described in the following.</p> + </item> + <tag><c>garbage_collection</c></tag> + <item> + <p>Returns a list describing the default garbage collection + settings. A process spawned on the local node by a + <c>spawn</c> or <c>spawn_link</c> uses these + garbage collection settings. The default settings can be + changed by using + <seealso marker="#system_flag/2">system_flag/2</seealso>. + <seealso marker="#spawn_opt/4">spawn_opt/4</seealso> + can spawn a process that does not use the default + settings.</p> + </item> + <tag><c>max_heap_size</c></tag> + <item> + <p>Returns <c>{max_heap_size, <anno>MaxHeapSize</anno>}</c>, + where <c><anno>MaxHeapSize</anno></c> is the current + system-wide max heap size settings for spawned processes. + This setting can be set using the <c>erl</c> command line + flags <seealso marker="erl#+hmax"><c>+hmax</c></seealso>, + <seealso marker="erl#+hmaxk"><c>+hmaxk</c></seealso> and + <seealso marker="erl#+hmaxel"><c>+hmaxel</c></seealso>. It can + also be changed at run-time using + <seealso marker="#system_flag_max_heap_size"> + <c>erlang:system_flag(max_heap_size, MaxHeapSize)</c></seealso>. + For more details about the <c>max_heap_size</c> process flag + see <seealso marker="#process_flag_max_heap_size"> + <c>process_flag(max_heap_size, MaxHeapSize)</c></seealso>. + </p> + </item> + <tag><c>min_heap_size</c></tag> + <item> + <p>Returns <c>{min_heap_size, <anno>MinHeapSize</anno>}</c>, + where <c><anno>MinHeapSize</anno></c> is the current + system-wide minimum heap size for spawned processes.</p> + </item> + <tag><marker id="system_info_message_queue_data"><c>message_queue_data</c></marker></tag> + <item> + <p>Returns the default value of the <c>message_queue_data</c> + process flag which is either <c>off_heap</c>, <c>on_heap</c>, or <c>mixed</c>. + This default is set by the <c>erl</c> command line argument + <seealso marker="erl#+hmqd"><c>+hmqd</c></seealso>. For more information on the + <c>message_queue_data</c> process flag, see documentation of + <seealso marker="#process_flag_message_queue_data"><c>process_flag(message_queue_data, + MQD)</c></seealso>.</p> + </item> + <tag><c>min_bin_vheap_size</c></tag> + <item> + <p>Returns <c>{min_bin_vheap_size, + <anno>MinBinVHeapSize</anno>}</c>, where + <c><anno>MinBinVHeapSize</anno></c> is the current system-wide + minimum binary virtual heap size for spawned processes.</p> + </item> + </taglist> + </desc> + </func> + + <func> <name name="system_info" arity="1" clause_i="6"/> <name name="system_info" arity="1" clause_i="7"/> <name name="system_info" arity="1" clause_i="8"/> @@ -7010,8 +7207,6 @@ ok <name name="system_info" arity="1" clause_i="24"/> <name name="system_info" arity="1" clause_i="25"/> <name name="system_info" arity="1" clause_i="26"/> - <name name="system_info" arity="1" clause_i="27"/> - <name name="system_info" arity="1" clause_i="28"/> <name name="system_info" arity="1" clause_i="29"/> <name name="system_info" arity="1" clause_i="30"/> <name name="system_info" arity="1" clause_i="31"/> @@ -7019,10 +7214,6 @@ ok <name name="system_info" arity="1" clause_i="33"/> <name name="system_info" arity="1" clause_i="34"/> <name name="system_info" arity="1" clause_i="35"/> - <name name="system_info" arity="1" clause_i="36"/> - <name name="system_info" arity="1" clause_i="37"/> - <name name="system_info" arity="1" clause_i="38"/> - <name name="system_info" arity="1" clause_i="39"/> <name name="system_info" arity="1" clause_i="40"/> <name name="system_info" arity="1" clause_i="41"/> <name name="system_info" arity="1" clause_i="42"/> @@ -7052,6 +7243,7 @@ ok <name name="system_info" arity="1" clause_i="66"/> <name name="system_info" arity="1" clause_i="67"/> <name name="system_info" arity="1" clause_i="68"/> + <name name="system_info" arity="1" clause_i="69"/> <fsummary>Information about the system.</fsummary> <desc> <p>Returns various information about the current system @@ -7288,25 +7480,6 @@ ok <c>ERL_MAX_ETS_TABLES</c> before starting the Erlang runtime system.</p> </item> - <tag><c>fullsweep_after</c></tag> - <item> - <p>Returns <c>{fullsweep_after, integer() >= 0}</c>, which is - the <c>fullsweep_after</c> garbage collection setting used - by default. For more information, see - <c>garbage_collection</c> described in the following.</p> - </item> - <tag><c>garbage_collection</c></tag> - <item> - <p>Returns a list describing the default garbage collection - settings. A process spawned on the local node by a - <c>spawn</c> or <c>spawn_link</c> uses these - garbage collection settings. The default settings can be - changed by using - <seealso marker="#system_flag/2">system_flag/2</seealso>. - <seealso marker="#spawn_opt/4">spawn_opt/4</seealso> - can spawn a process that does not use the default - settings.</p> - </item> <tag><c>heap_sizes</c></tag> <item> <p>Returns a list of integers representing valid heap sizes @@ -7381,29 +7554,6 @@ ok <item> <p>Returns a string containing the Erlang machine name.</p> </item> - <tag><c>min_heap_size</c></tag> - <item> - <p>Returns <c>{min_heap_size, <anno>MinHeapSize</anno>}</c>, - where <c><anno>MinHeapSize</anno></c> is the current - system-wide minimum heap size for spawned processes.</p> - </item> - <tag><marker id="system_info_message_queue_data"><c>message_queue_data</c></marker></tag> - <item> - <p>Returns the default value of the <c>message_queue_data</c> - process flag which is either <c>off_heap</c>, <c>on_heap</c>, or <c>mixed</c>. - This default is set by the <c>erl</c> command line argument - <seealso marker="erl#+hmqd"><c>+hmqd</c></seealso>. For more information on the - <c>message_queue_data</c> process flag, see documentation of - <seealso marker="#process_flag_message_queue_data"><c>process_flag(message_queue_data, - MQD)</c></seealso>.</p> - </item> - <tag><c>min_bin_vheap_size</c></tag> - <item> - <p>Returns <c>{min_bin_vheap_size, - <anno>MinBinVHeapSize</anno>}</c>, where - <c><anno>MinBinVHeapSize</anno></c> is the current system-wide - minimum binary virtual heap size for spawned processes.</p> - </item> <tag><c>modified_timing_level</c></tag> <item> <p>Returns the modified timing-level (an integer) if @@ -8028,12 +8178,13 @@ ok <c>GcPid</c> and <c>Info</c> are the same as for <c>long_gc</c> earlier, except that the tuple tagged with <c>timeout</c> is not present.</p> - <p>As of <c>ERTS</c> 5.6, the monitor message is sent - if the sum of the sizes of all memory blocks allocated - for all heap generations is equal to or higher than <c>Size</c>. - Previously the monitor message was sent if the memory block - allocated for the youngest generation was equal to or higher - than <c>Size</c>.</p> + <p>The monitor message is sent if the sum of the sizes of + all memory blocks allocated for all heap generations after + a garbage collection is equal to or higher than <c>Size</c>.</p> + <p>When a process is killed by <seealso marker="#process_flag_max_heap_size"> + <c>max_heap_size</c></seealso>, it is killed before the + garbage collection is complete and thus no large heap message + will be sent.</p> </item> <tag><c>busy_port</c></tag> <item> @@ -8560,7 +8711,9 @@ timestamp() -> <tag><c>garbage_collection</c></tag> <item> <p>Traces garbage collections of processes.</p> - <p>Message tags: <c><seealso marker="#trace_3_trace_messages_gc_minor_start">gc_minor_start</seealso></c> and <c><seealso marker="#trace_3_trace_messages_gc_minor_end">gc_minor_end</seealso></c>.</p> + <p>Message tags: <c><seealso marker="#trace_3_trace_messages_gc_minor_start">gc_minor_start</seealso></c>, + <c><seealso marker="#trace_3_trace_messages_gc_max_heap_size">gc_max_heap_size</seealso></c> and + <c><seealso marker="#trace_3_trace_messages_gc_minor_end">gc_minor_end</seealso></c>.</p> </item> <tag><c>timestamp</c></tag> <item> @@ -8929,6 +9082,19 @@ timestamp() -> <p>All sizes are in words.</p> </item> <tag> + <marker id="trace_3_trace_messages_gc_max_heap_size"></marker> + <c>{trace, Pid, gc_max_heap_size, Info}</c> + </tag> + <item> + <p> + Sent when the <seealso marker="#process_flag_max_heap_size"><c>max_heap_size</c></seealso> + is reached during garbage collection. <c>Info</c> contains the + same kind of list as in message <c>gc_start</c>, + but the sizes reflect the sizes that triggered max_heap_size to + be reached. + </p> + </item> + <tag> <marker id="trace_3_trace_messages_gc_minor_end"></marker> <c>{trace, Pid, gc_minor_end, Info}</c> </tag> diff --git a/erts/doc/src/erts_alloc.xml b/erts/doc/src/erts_alloc.xml index 70775b9f0f..9aef1c0b1f 100644 --- a/erts/doc/src/erts_alloc.xml +++ b/erts/doc/src/erts_alloc.xml @@ -583,7 +583,7 @@ </taglist> <p>The following flag is special for <c>exec_alloc</c>:</p> <taglist> - <tag><marker id="MIscs"/><c><![CDATA[+MXscs <size in MB>]]></c></tag> + <tag><marker id="MXscs"/><c><![CDATA[+MXscs <size in MB>]]></c></tag> <item> <c>exec_alloc</c> super carrier size (in MB). The amount of <em>virtual</em> address space reserved for native executable code diff --git a/erts/doc/src/match_spec.xml b/erts/doc/src/match_spec.xml index 3944f24f84..7be3d15de6 100644 --- a/erts/doc/src/match_spec.xml +++ b/erts/doc/src/match_spec.xml @@ -33,21 +33,15 @@ <file>match_spec.xml</file> </header> <p>A "match specification" (match_spec) is an Erlang term describing a - small "program" that will try to match something (either the - parameters to a function as used in the <c><![CDATA[erlang:trace_pattern/2]]></c> - BIF, or the objects in an ETS table.). + small "program" that will try to match something. It can be used + to either control tracing with + <seealso marker="erlang#trace_pattern/3">erlang:trace_pattern/3</seealso> + or to search for objects in an ETS table with for example + <seealso marker="stdlib:ets#select/2">ets:select/2</seealso>. The match_spec in many ways works like a small function in Erlang, but is interpreted/compiled by the Erlang runtime system to something much more efficient than calling an Erlang function. The match_spec is also very limited compared to the expressiveness of real Erlang functions.</p> - <p>Match specifications are given to the BIF <c><![CDATA[erlang:trace_pattern/2]]></c> to - execute matching of function arguments as well as to define some actions - to be taken when the match succeeds (the <c><![CDATA[MatchBody]]></c> part). Match - specifications can also be used in ETS, to specify objects to be - returned from an <c><![CDATA[ets:select/2]]></c> call (or other select - calls). The semantics and restrictions differ slightly when using - match specifications for tracing and in ETS, the differences are - defined in a separate paragraph below.</p> <p>The most notable difference between a match_spec and an Erlang fun is of course the syntax. Match specifications are Erlang terms, not Erlang code. A match_spec also has a somewhat strange concept of @@ -382,6 +376,51 @@ the pid() of the current process.</p> </section> + <marker id="match_target"></marker> + <section> + <title>Match target</title> + <p>Each execution of a match specification is done against + a match target term. The format and content of the target term + depends on the context in which the match is done. The match + target for ETS is always a full table tuple. The match target + for call trace is always a list of all function arguments. The + match target for event trace depends on the event type, see + table below.</p> + <table> + <row> + <cell align="left" valign="middle">Context</cell> + <cell align="left" valign="middle">Type</cell> + <cell align="left" valign="middle">Match target</cell> + <cell align="left" valign="middle">Description</cell> + </row> + <row> + <cell align="left" valign="middle">ETS</cell> + <cell align="left" valign="middle"></cell> + <cell align="left" valign="middle">{Key, Value1, Value2, ...}</cell> + <cell align="left" valign="middle">A table object</cell> + </row> + <row> + <cell align="left" valign="middle">Trace</cell> + <cell align="left" valign="middle">call</cell> + <cell align="left" valign="middle">[Arg1, Arg2, ...]</cell> + <cell align="left" valign="middle">Function arguments</cell> + </row> + <row> + <cell align="left" valign="middle">Trace</cell> + <cell align="left" valign="middle">send</cell> + <cell align="left" valign="middle">[Receiver, Message]</cell> + <cell align="left" valign="middle">Receiving process/port and message term</cell> + </row> + <row> + <cell align="left" valign="middle">Trace</cell> + <cell align="left" valign="middle">'receive'</cell> + <cell align="left" valign="middle">[Node, Sender, Message]</cell> + <cell align="left" valign="middle">Sending node, process/port and message term</cell> + </row> + <tcaption>Match target depending on context</tcaption> + </table> + </section> + <section> <title>Variables and literals</title> <p>Variables take the form <c><![CDATA['$<number>']]></c> where @@ -396,10 +435,8 @@ <c><![CDATA[MatchCondition]]></c> parts, only variables bound previously may be used. As a special case, in the <c><![CDATA[MatchCondition/MatchBody]]></c> parts, the variable <c><![CDATA['$_']]></c> - expands to the whole expression which matched the - <c><![CDATA[MatchHead]]></c> (i.e., the whole parameter list to the possibly - traced function or the whole matching object in the ets table) - and the variable <c><![CDATA['$$']]></c> expands to a list + expands to the whole <seealso marker="#match_target">match target</seealso> + term and the variable <c><![CDATA['$$']]></c> expands to a list of the values of all bound variables in order (i.e. <c><![CDATA[['$1','$2', ...]]]></c>). </p> @@ -480,8 +517,8 @@ <p>For each tuple in the <c><![CDATA[MatchExpression]]></c> list and while no match has succeeded:</p> <list type="bulleted"> - <item>Match the <c><![CDATA[MatchHead]]></c> part against the arguments to the - function, + <item>Match the <c><![CDATA[MatchHead]]></c> part against the + match target term, binding the <c><![CDATA['$<number>']]></c> variables (much like in <c><![CDATA[ets:match/2]]></c>). If the <c><![CDATA[MatchHead]]></c> cannot match the arguments, the match fails. @@ -522,13 +559,10 @@ term. The <c><![CDATA[ActionTerm]]></c>'s are executed as in an imperative language, i.e. for their side effects. Functions with side effects are also allowed when tracing.</p> - <p>In ETS the match head is a <c><![CDATA[tuple()]]></c> (or a single match - variable) while it is a list (or a single match variable) when - tracing.</p> </section> <section> - <title>ETS Examples</title> + <title>Tracing Examples</title> <p>Match an argument list of three where the first and third arguments are equal:</p> <code type="none"><![CDATA[ @@ -585,42 +619,6 @@ parameter list with a single variable is a special case. In all other cases the <c><![CDATA[MatchHead]]></c> has to be a <em>proper</em> list. </p> - <p>Match all objects in an ets table where the first element is - the atom 'strider' and the tuple arity is 3 and return the whole - object.</p> - <code type="none"><![CDATA[ -[{{strider,'_','_'}, - [], - ['$_']}] - ]]></code> - <p>Match all objects in an ets table with arity > 1 and the first - element is 'gandalf', return element 2.</p> - <code type="none"><![CDATA[ -[{'$1', - [{'==', gandalf, {element, 1, '$1'}},{'>=',{size, '$1'},2}], - [{element,2,'$1'}]}] - ]]></code> - <p>In the above example, if the first element had been the key, - it's much more efficient to match that key in the <c><![CDATA[MatchHead]]></c> - part than in the <c><![CDATA[MatchConditions]]></c> part. The search space of - the tables is restricted with regards to the <c><![CDATA[MatchHead]]></c> so - that only objects with the matching key are searched. - </p> - <p>Match tuples of 3 elements where the second element is either - 'merry' or 'pippin', return the whole objects.</p> - <code type="none"><![CDATA[ -[{{'_',merry,'_'}, - [], - ['$_']}, - {{'_',pippin,'_'}, - [], - ['$_']}] - ]]></code> - <p>The function <c><![CDATA[ets:test_ms/2]]></c> can be useful for testing - complicated ets matches.</p> - </section> - <section> - <title>Tracing Examples</title> <p>Only generate trace message if trace control word is set to 1:</p> <code type="none"><![CDATA[ [{'_', @@ -658,5 +656,42 @@ {'_',[],[]}] ]]></code> </section> + + <section> + <title>ETS Examples</title> + <p>Match all objects in an ets table where the first element is + the atom 'strider' and the tuple arity is 3 and return the whole + object.</p> + <code type="none"><![CDATA[ +[{{strider,'_','_'}, + [], + ['$_']}] + ]]></code> + <p>Match all objects in an ets table with arity > 1 and the first + element is 'gandalf', return element 2.</p> + <code type="none"><![CDATA[ +[{'$1', + [{'==', gandalf, {element, 1, '$1'}},{'>=',{size, '$1'},2}], + [{element,2,'$1'}]}] + ]]></code> + <p>In the above example, if the first element had been the key, + it's much more efficient to match that key in the <c><![CDATA[MatchHead]]></c> + part than in the <c><![CDATA[MatchConditions]]></c> part. The search space of + the tables is restricted with regards to the <c><![CDATA[MatchHead]]></c> so + that only objects with the matching key are searched. + </p> + <p>Match tuples of 3 elements where the second element is either + 'merry' or 'pippin', return the whole objects.</p> + <code type="none"><![CDATA[ +[{{'_',merry,'_'}, + [], + ['$_']}, + {{'_',pippin,'_'}, + [], + ['$_']}] + ]]></code> + <p>The function <c><![CDATA[ets:test_ms/2]]></c> can be useful for testing + complicated ets matches.</p> + </section> </chapter> diff --git a/erts/emulator/Makefile.in b/erts/emulator/Makefile.in index fb486c917f..2212aed5e0 100644 --- a/erts/emulator/Makefile.in +++ b/erts/emulator/Makefile.in @@ -50,6 +50,8 @@ LDFLAGS=@LDFLAGS@ ARFLAGS=rc OMIT_OMIT_FP=no +DIRTY_SCHEDULER_SUPPORT=@DIRTY_SCHEDULER_SUPPORT@ + ifeq ($(TYPE),debug) PURIFY = TYPEMARKER = .debug @@ -174,6 +176,10 @@ FLAVOR_MARKER=.smp FLAVOR_FLAGS=-DERTS_SMP ENABLE_ALLOC_TYPE_VARS += smp nofrag M4FLAGS += -DERTS_SMP=1 +ifeq ($(DIRTY_SCHEDULER_SUPPORT),yes) +THR_DEFS += -DERTS_DIRTY_SCHEDULERS +endif + else # If flavor isn't one of the above, it *is* plain flavor... @@ -182,7 +188,6 @@ FLAVOR_MARKER= FLAVOR_FLAGS= ENABLE_ALLOC_TYPE_VARS += nofrag M4FLAGS += - endif TF_MARKER=$(TYPEMARKER)$(FLAVOR_MARKER) diff --git a/erts/emulator/beam/atom.names b/erts/emulator/beam/atom.names index 3022c0a99a..8f65e71531 100644 --- a/erts/emulator/beam/atom.names +++ b/erts/emulator/beam/atom.names @@ -275,6 +275,7 @@ atom garbage_collection_info atom gc_end atom gc_major_end atom gc_major_start +atom gc_max_heap_size atom gc_minor_end atom gc_minor_start atom gc_start @@ -366,6 +367,7 @@ atom match_spec atom match_spec_result atom max atom maximum +atom max_heap_size atom max_tables max_processes atom mbuf_size atom md5 diff --git a/erts/emulator/beam/beam_bp.c b/erts/emulator/beam/beam_bp.c index 1e30e8d8d1..8489897d3a 100644 --- a/erts/emulator/beam/beam_bp.c +++ b/erts/emulator/beam/beam_bp.c @@ -82,7 +82,7 @@ erts_smp_atomic32_t erts_staging_bp_index; static ERTS_INLINE ErtsMonotonicTime get_mtime(Process *c_p) { - return erts_get_monotonic_time(ERTS_PROC_GET_SCHDATA(c_p)); + return erts_get_monotonic_time(erts_proc_sched_data(c_p)); } /* ************************************************************************* @@ -655,8 +655,7 @@ erts_generic_breakpoint(Process* c_p, BeamInstr* I, Eterm* reg) erts_smp_atomic_inc_nob(&bp->count->acount); } - if (bp_flags & ERTS_BPF_TIME_TRACE_ACTIVE - && ERTS_TRACER_PROC_IS_ENABLED(c_p)) { + if (bp_flags & ERTS_BPF_TIME_TRACE_ACTIVE) { Eterm w; erts_trace_time_call(c_p, I, bp->time); w = (BeamInstr) *c_p->cp; @@ -753,8 +752,7 @@ erts_bif_trace(int bif_index, Process* p, Eterm* args, BeamInstr* I) } } if (bp_flags & ERTS_BPF_TIME_TRACE_ACTIVE && - IS_TRACED_FL(p, F_TRACE_CALLS) && - ERTS_TRACER_PROC_IS_ENABLED(p)) { + IS_TRACED_FL(p, F_TRACE_CALLS)) { BeamInstr *pc = (BeamInstr *)ep->code+3; erts_trace_time_call(p, pc, bp->time); } @@ -976,7 +974,8 @@ erts_trace_time_call(Process* c_p, BeamInstr* I, BpDataTime* bdt) BpDataTime *pbdt = NULL; ASSERT(c_p); - ASSERT(erts_smp_atomic32_read_acqb(&c_p->state) & ERTS_PSFLG_RUNNING); + ASSERT(erts_smp_atomic32_read_acqb(&c_p->state) & (ERTS_PSFLG_RUNNING + | ERTS_PSFLG_DIRTY_RUNNING)); /* get previous timestamp and breakpoint * from the process psd */ @@ -1053,7 +1052,8 @@ erts_trace_time_return(Process *p, BeamInstr *pc) BpDataTime *pbdt = NULL; ASSERT(p); - ASSERT(erts_smp_atomic32_read_acqb(&p->state) & ERTS_PSFLG_RUNNING); + ASSERT(erts_smp_atomic32_read_acqb(&p->state) & (ERTS_PSFLG_RUNNING + | ERTS_PSFLG_DIRTY_RUNNING)); /* get previous timestamp and breakpoint * from the process psd */ diff --git a/erts/emulator/beam/beam_bp.h b/erts/emulator/beam/beam_bp.h index 9c2fc007a2..541af77211 100644 --- a/erts/emulator/beam/beam_bp.h +++ b/erts/emulator/beam/beam_bp.h @@ -80,7 +80,7 @@ typedef struct generic_bp { #define ERTS_BP_CALL_TIME_SCHEDULE_EXITING (2) #ifdef ERTS_SMP -#define bp_sched2ix_proc(p) ((p)->scheduler_data->no - 1) +#define bp_sched2ix_proc(p) (erts_proc_sched_data(p)->no - 1) #else #define bp_sched2ix_proc(p) (0) #endif diff --git a/erts/emulator/beam/beam_emu.c b/erts/emulator/beam/beam_emu.c index 99eb26bec5..f8f2e29c95 100644 --- a/erts/emulator/beam/beam_emu.c +++ b/erts/emulator/beam/beam_emu.c @@ -64,18 +64,21 @@ # ifdef ERTS_SMP # define PROCESS_MAIN_CHK_LOCKS(P) \ do { \ - if ((P)) { \ + if ((P)) \ erts_proc_lc_chk_only_proc_main((P)); \ - } \ - else \ - erts_lc_check_exact(NULL, 0); \ - ERTS_SMP_LC_ASSERT(!erts_thr_progress_is_blocking()); \ + ERTS_SMP_LC_ASSERT(!erts_thr_progress_is_blocking()); \ +} while (0) +# define ERTS_SMP_REQ_PROC_MAIN_LOCK(P) \ +do { \ + if ((P)) \ + erts_proc_lc_require_lock((P), ERTS_PROC_LOCK_MAIN, \ + __FILE__, __LINE__); \ +} while (0) +# define ERTS_SMP_UNREQ_PROC_MAIN_LOCK(P) \ +do { \ + if ((P)) \ + erts_proc_lc_unrequire_lock((P), ERTS_PROC_LOCK_MAIN); \ } while (0) -# define ERTS_SMP_REQ_PROC_MAIN_LOCK(P) \ - if ((P)) erts_proc_lc_require_lock((P), ERTS_PROC_LOCK_MAIN,\ - __FILE__, __LINE__) -# define ERTS_SMP_UNREQ_PROC_MAIN_LOCK(P) \ - if ((P)) erts_proc_lc_unrequire_lock((P), ERTS_PROC_LOCK_MAIN) # else # define ERTS_SMP_REQ_PROC_MAIN_LOCK(P) # define ERTS_SMP_UNREQ_PROC_MAIN_LOCK(P) @@ -1202,12 +1205,12 @@ init_emulator(void) do { \ if (ERTS_PROC_GET_SAVED_CALLS_BUF((P))) { \ ASSERT(FC <= 0); \ - ASSERT(ERTS_PROC_GET_SCHDATA(c_p)->virtual_reds \ + ASSERT(erts_proc_sched_data(c_p)->virtual_reds \ <= 0 - (FC)); \ } \ else { \ ASSERT(FC <= CONTEXT_REDS); \ - ASSERT(ERTS_PROC_GET_SCHDATA(c_p)->virtual_reds \ + ASSERT(erts_proc_sched_data(c_p)->virtual_reds \ <= CONTEXT_REDS - (FC)); \ } \ } while (0) @@ -1321,8 +1324,8 @@ void process_main(void) if (start_time != 0) { Sint64 diff = erts_timestamp_millis() - start_time; if (diff > 0 && (Uint) diff > erts_system_monitor_long_schedule -#ifdef ERTS_DIRTY_SCHEDULERS - && !ERTS_SCHEDULER_IS_DIRTY(c_p->scheduler_data) +#if defined(ERTS_SMP) && defined(ERTS_DIRTY_SCHEDULERS) + && !ERTS_SCHEDULER_IS_DIRTY(erts_proc_sched_data(c_p)) #endif ) { BeamInstr *inptr = find_function_from_pc(start_time_i); @@ -1351,8 +1354,8 @@ void process_main(void) start_time_i = c_p->i; } - reg = ERTS_PROC_GET_SCHDATA(c_p)->x_reg_array; - freg = ERTS_PROC_GET_SCHDATA(c_p)->f_reg_array; + reg = erts_proc_sched_data(c_p)->x_reg_array; + freg = erts_proc_sched_data(c_p)->f_reg_array; ERL_BITS_RELOAD_STATEP(c_p); { int reds; @@ -1704,6 +1707,14 @@ void process_main(void) BeamInstr *next; Eterm result; + if (!(FCALLS > 0 || FCALLS > neg_o_reds)) { + /* If we have run out of reductions, we do a context + switch before calling the bif */ + c_p->arity = 2; + c_p->current = NULL; + goto context_switch3; + } + PRE_BIF_SWAPOUT(c_p); c_p->fcalls = FCALLS - 1; result = erl_send(c_p, r(0), x(1)); @@ -2810,6 +2821,15 @@ do { \ BeamInstr *next; ErlHeapFragment *live_hf_end; + + if (!((FCALLS - 1) > 0 || (FCALLS-1) > neg_o_reds)) { + /* If we have run out of reductions, we do a context + switch before calling the bif */ + c_p->arity = ((Export *)Arg(0))->code[2]; + c_p->current = ((Export *)Arg(0))->code; + goto context_switch3; + } + if (ERTS_MSACC_IS_ENABLED_CACHED_X()) { if (GET_BIF_MODULE(Arg(0)) == am_ets) { ERTS_MSACC_SET_STATE_CACHED_M_X(ERTS_MSACC_STATE_ETS); @@ -3338,10 +3358,19 @@ do { \ context_switch2: /* Entry for fun calls. */ c_p->current = I-3; /* Pointer to Mod, Func, Arity */ + context_switch3: + { Eterm* argp; int i; + if (erts_smp_atomic32_read_nob(&c_p->state) & ERTS_PSFLG_EXITING) { + c_p->i = beam_exit; + c_p->arity = 0; + c_p->current = NULL; + goto do_schedule; + } + /* * Make sure that there is enough room for the argument registers to be saved. */ @@ -3509,6 +3538,12 @@ do { \ BifFunction vbf; ErlHeapFragment *live_hf_end; + if (!((FCALLS - 1) > 0 || (FCALLS - 1) > neg_o_reds)) { + /* If we have run out of reductions, we do a context + switch before calling the nif */ + goto context_switch; + } + ERTS_MSACC_SET_STATE_CACHED_M_X(ERTS_MSACC_STATE_NIF); DTRACE_NIF_ENTRY(c_p, (Eterm)I[-3], (Eterm)I[-2], (Uint)I[-1]); @@ -3524,18 +3559,27 @@ do { \ typedef Eterm NifF(struct enif_environment_t*, int argc, Eterm argv[]); NifF* fp = vbf = (NifF*) I[1]; struct enif_environment_t env; +#ifdef ERTS_DIRTY_SCHEDULERS + if (!c_p->scheduler_data) + live_hf_end = ERTS_INVALID_HFRAG_PTR; /* On dirty scheduler */ + else +#endif + live_hf_end = c_p->mbuf; erts_pre_nif(&env, c_p, (struct erl_module_nif*)I[2], NULL); - live_hf_end = c_p->mbuf; nif_bif_result = (*fp)(&env, bif_nif_arity, reg); if (env.exception_thrown) nif_bif_result = THE_NON_VALUE; erts_post_nif(&env); - } - ASSERT(!ERTS_PROC_IS_EXITING(c_p) || is_non_value(nif_bif_result)); - PROCESS_MAIN_CHK_LOCKS(c_p); - ERTS_VERIFY_UNUSED_TEMP_ALLOC(c_p); - ERTS_MSACC_SET_STATE_CACHED_M_X(ERTS_MSACC_STATE_EMULATOR); + PROCESS_MAIN_CHK_LOCKS(c_p); + ERTS_VERIFY_UNUSED_TEMP_ALLOC(c_p); + ERTS_MSACC_SET_STATE_CACHED_M_X(ERTS_MSACC_STATE_EMULATOR); + if (env.exiting) { + ERTS_SMP_REQ_PROC_MAIN_LOCK(c_p); + goto do_schedule; + } + ASSERT(!ERTS_PROC_IS_EXITING(c_p)); + } DTRACE_NIF_RETURN(c_p, (Eterm)I[-3], (Eterm)I[-2], (Uint)I[-1]); goto apply_bif_or_nif_epilogue; @@ -3551,6 +3595,13 @@ do { \ * code[3]: &&apply_bif * code[4]: Function pointer to BIF function */ + + if (!((FCALLS - 1) > 0 || (FCALLS - 1) > neg_o_reds)) { + /* If we have run out of reductions, we do a context + switch before calling the bif */ + goto context_switch; + } + if (ERTS_MSACC_IS_ENABLED_CACHED_X()) { if ((Eterm)I[-3] == am_ets) { ERTS_MSACC_SET_STATE_CACHED_M_X(ERTS_MSACC_STATE_ETS); @@ -4887,8 +4938,8 @@ do { \ #ifdef DEBUG pid = c_p->common.id; /* may have switched process... */ #endif - reg = ERTS_PROC_GET_SCHDATA(c_p)->x_reg_array; - freg = ERTS_PROC_GET_SCHDATA(c_p)->f_reg_array; + reg = erts_proc_sched_data(c_p)->x_reg_array; + freg = erts_proc_sched_data(c_p)->f_reg_array; ERL_BITS_RELOAD_STATEP(c_p); /* XXX: this abuse of def_arg_reg[] is horrid! */ neg_o_reds = -c_p->def_arg_reg[4]; diff --git a/erts/emulator/beam/beam_load.c b/erts/emulator/beam/beam_load.c index 95489d9a63..0c2743beb2 100644 --- a/erts/emulator/beam/beam_load.c +++ b/erts/emulator/beam/beam_load.c @@ -4424,6 +4424,7 @@ gen_get_map_elements(LoaderState* stp, GenOpArg Fail, GenOpArg Src, int good_hash; #endif + ERTS_UNDEF(hx, 0); ASSERT(Size.type == TAG_u); NEW_GENOP(stp, op); diff --git a/erts/emulator/beam/bif.c b/erts/emulator/beam/bif.c index eed0702688..2a3bd4afe5 100644 --- a/erts/emulator/beam/bif.c +++ b/erts/emulator/beam/bif.c @@ -44,6 +44,7 @@ #include "erl_ptab.h" #include "erl_bits.h" #include "erl_bif_unique.h" +#include "erl_map.h" #include "erl_msacc.h" Export *erts_await_result; @@ -880,6 +881,8 @@ BIF_RETTYPE spawn_opt_1(BIF_ALIST_1) so.flags = erts_default_spo_flags|SPO_USE_ARGS; so.min_heap_size = H_MIN_SIZE; so.min_vheap_size = BIN_VH_MIN_SIZE; + so.max_heap_size = H_MAX_SIZE; + so.max_heap_flags = H_MAX_FLAGS; so.priority = PRIORITY_NORMAL; so.max_gen_gcs = (Uint16) erts_smp_atomic32_read_nob(&erts_max_gen_gcs); so.scheduler = 0; @@ -937,6 +940,9 @@ BIF_RETTYPE spawn_opt_1(BIF_ALIST_1) } else { so.min_heap_size = erts_next_heap_size(min_heap_size, 0); } + } else if (arg == am_max_heap_size) { + if (!erts_max_heap_size(val, &so.max_heap_size, &so.max_heap_flags)) + goto error; } else if (arg == am_min_bin_vheap_size && is_small(val)) { Sint min_vheap_size = signed_val(val); if (min_vheap_size < 0) { @@ -970,6 +976,10 @@ BIF_RETTYPE spawn_opt_1(BIF_ALIST_1) goto error; } + if (so.max_heap_size != 0 && so.max_heap_size < so.min_heap_size) { + goto error; + } + /* * Spawn the process. */ @@ -1686,7 +1696,7 @@ BIF_RETTYPE process_flag_2(BIF_ALIST_2) ERTS_PSFLG_BOUND); } - curr = ERTS_GET_SCHEDULER_DATA_FROM_PROC(BIF_P)->run_queue; + curr = erts_proc_sched_data(BIF_P)->run_queue; old = (ERTS_PSFLG_BOUND & state) ? curr : NULL; ASSERT(!old || old == curr); @@ -1731,6 +1741,23 @@ BIF_RETTYPE process_flag_2(BIF_ALIST_2) } BIF_RET(old_value); } + else if (BIF_ARG_1 == am_max_heap_size) { + Eterm *hp; + Uint sz = 0, max_heap_size, max_heap_flags; + + if (!erts_max_heap_size(BIF_ARG_2, &max_heap_size, &max_heap_flags)) + goto error; + + if ((max_heap_size < MIN_HEAP_SIZE(BIF_P) && max_heap_size != 0)) + goto error; + + erts_max_heap_size_map(MAX_HEAP_SIZE_GET(BIF_P), MAX_HEAP_SIZE_FLAGS_GET(BIF_P), NULL, &sz); + hp = HAlloc(BIF_P, sz); + old_value = erts_max_heap_size_map(MAX_HEAP_SIZE_GET(BIF_P), MAX_HEAP_SIZE_FLAGS_GET(BIF_P), &hp, NULL); + MAX_HEAP_SIZE_SET(BIF_P, max_heap_size); + MAX_HEAP_SIZE_FLAGS_SET(BIF_P, max_heap_flags); + BIF_RET(old_value); + } else if (BIF_ARG_1 == am_message_queue_data) { old_value = erts_change_message_queue_management(BIF_P, BIF_ARG_2); if (is_non_value(old_value)) @@ -4198,8 +4225,28 @@ BIF_RETTYPE group_leader_2(BIF_ALIST_2) else { locks &= ~ERTS_PROC_LOCK_STATUS; erts_smp_proc_unlock(new_member, ERTS_PROC_LOCK_STATUS); - new_member->group_leader = STORE_NC_IN_PROC(new_member, - BIF_ARG_1); + if (erts_smp_atomic32_read_nob(&new_member->state) + & !(ERTS_PSFLG_DIRTY_RUNNING|ERTS_PSFLG_DIRTY_RUNNING_SYS)) { + new_member->group_leader = STORE_NC_IN_PROC(new_member, + BIF_ARG_1); + } + else { + ErlHeapFragment *bp; + Eterm *hp; + /* + * Other process executing on a dirty scheduler, + * so we are not allowed to write to its heap. + * Store in heap fragment. + */ + + bp = new_message_buffer(NC_HEAP_SIZE(BIF_ARG_1)); + hp = bp->mem; + new_member->group_leader = STORE_NC(&hp, + &new_member->off_heap, + BIF_ARG_1); + bp->next = new_member->mbuf; + new_member->mbuf = bp; + } } } @@ -4350,6 +4397,31 @@ BIF_RETTYPE system_flag_2(BIF_ALIST_2) erts_smp_proc_lock(BIF_P, ERTS_PROC_LOCK_MAIN); BIF_RET(make_small(oval)); + } else if (BIF_ARG_1 == am_max_heap_size) { + + Eterm *hp, old_value; + Uint sz = 0, max_heap_size, max_heap_flags; + + if (!erts_max_heap_size(BIF_ARG_2, &max_heap_size, &max_heap_flags)) + goto error; + + if (max_heap_size < H_MIN_SIZE && max_heap_size != 0) + goto error; + + erts_max_heap_size_map(H_MAX_SIZE, H_MAX_FLAGS, NULL, &sz); + hp = HAlloc(BIF_P, sz); + old_value = erts_max_heap_size_map(H_MAX_SIZE, H_MAX_FLAGS, &hp, NULL); + + erts_smp_proc_unlock(BIF_P, ERTS_PROC_LOCK_MAIN); + erts_smp_thr_progress_block(); + + H_MAX_SIZE = max_heap_size; + H_MAX_FLAGS = max_heap_flags; + + erts_smp_thr_progress_unblock(); + erts_smp_proc_lock(BIF_P, ERTS_PROC_LOCK_MAIN); + + BIF_RET(old_value); } else if (BIF_ARG_1 == am_display_items) { int oval = display_items; if (!is_small(BIF_ARG_2) || (n = signed_val(BIF_ARG_2)) < 0) { diff --git a/erts/emulator/beam/bif.h b/erts/emulator/beam/bif.h index 5d751dd67d..2203182a0d 100644 --- a/erts/emulator/beam/bif.h +++ b/erts/emulator/beam/bif.h @@ -59,12 +59,12 @@ extern Export *erts_convert_time_unit_trap; do { \ if (!ERTS_PROC_GET_SAVED_CALLS_BUF((p))) { \ if ((fcalls) > 0) \ - ERTS_PROC_GET_SCHDATA((p))->virtual_reds += (fcalls); \ + erts_proc_sched_data((p))->virtual_reds += (fcalls); \ (fcalls) = 0; \ } \ else { \ if ((fcalls) > -CONTEXT_REDS) \ - ERTS_PROC_GET_SCHDATA((p))->virtual_reds \ + erts_proc_sched_data((p))->virtual_reds \ += ((fcalls) - (-CONTEXT_REDS)); \ (fcalls) = -CONTEXT_REDS; \ } \ @@ -91,22 +91,22 @@ do { \ if (!ERTS_PROC_GET_SAVED_CALLS_BUF((p))) { \ if ((p)->fcalls >= reds) { \ (p)->fcalls -= reds; \ - ERTS_PROC_GET_SCHDATA((p))->virtual_reds += reds; \ + erts_proc_sched_data((p))->virtual_reds += reds; \ } \ else { \ if ((p)->fcalls > 0) \ - ERTS_PROC_GET_SCHDATA((p))->virtual_reds += (p)->fcalls;\ + erts_proc_sched_data((p))->virtual_reds += (p)->fcalls; \ (p)->fcalls = 0; \ } \ } \ else { \ if ((p)->fcalls >= reds - CONTEXT_REDS) { \ (p)->fcalls -= reds; \ - ERTS_PROC_GET_SCHDATA((p))->virtual_reds += reds; \ + erts_proc_sched_data((p))->virtual_reds += reds; \ } \ else { \ if ((p)->fcalls > -CONTEXT_REDS) \ - ERTS_PROC_GET_SCHDATA((p))->virtual_reds \ + erts_proc_sched_data((p))->virtual_reds \ += (p)->fcalls - (-CONTEXT_REDS); \ (p)->fcalls = -CONTEXT_REDS; \ } \ @@ -118,14 +118,14 @@ do { \ if (ERTS_PROC_GET_SAVED_CALLS_BUF((P))) { \ int nreds__ = ((int)(Reds)) - CONTEXT_REDS; \ if ((FCalls) > nreds__) { \ - ERTS_PROC_GET_SCHDATA((P))->virtual_reds \ + erts_proc_sched_data((P))->virtual_reds \ += (FCalls) - nreds__; \ (FCalls) = nreds__; \ } \ } \ else { \ if ((FCalls) > (Reds)) { \ - ERTS_PROC_GET_SCHDATA((P))->virtual_reds \ + erts_proc_sched_data((P))->virtual_reds \ += (FCalls) - (Reds); \ (FCalls) = (Reds); \ } \ @@ -165,7 +165,7 @@ do { \ #define ERTS_BIF_ERROR_TRAPPED1(Proc, Reason, Bif, A0) \ do { \ - Eterm* reg = ERTS_PROC_GET_SCHDATA((Proc))->x_reg_array; \ + Eterm* reg = erts_proc_sched_data((Proc))->x_reg_array; \ (Proc)->freason = (Reason); \ (Proc)->current = (Bif)->code; \ reg[0] = (Eterm) (A0); \ @@ -174,7 +174,7 @@ do { \ #define ERTS_BIF_ERROR_TRAPPED2(Proc, Reason, Bif, A0, A1) \ do { \ - Eterm* reg = ERTS_PROC_GET_SCHDATA((Proc))->x_reg_array; \ + Eterm* reg = erts_proc_sched_data((Proc))->x_reg_array; \ (Proc)->freason = (Reason); \ (Proc)->current = (Bif)->code; \ reg[0] = (Eterm) (A0); \ @@ -184,7 +184,7 @@ do { \ #define ERTS_BIF_ERROR_TRAPPED3(Proc, Reason, Bif, A0, A1, A2) \ do { \ - Eterm* reg = ERTS_PROC_GET_SCHDATA((Proc))->x_reg_array; \ + Eterm* reg = erts_proc_sched_data((Proc))->x_reg_array; \ (Proc)->freason = (Reason); \ (Proc)->current = (Bif)->code; \ reg[0] = (Eterm) (A0); \ @@ -208,7 +208,7 @@ do { \ #define ERTS_BIF_PREP_ERROR_TRAPPED1(Ret, Proc, Reason, Bif, A0) \ do { \ - Eterm* reg = ERTS_PROC_GET_SCHDATA((Proc))->x_reg_array; \ + Eterm* reg = erts_proc_sched_data((Proc))->x_reg_array; \ (Proc)->freason = (Reason); \ (Proc)->current = (Bif)->code; \ reg[0] = (Eterm) (A0); \ @@ -217,7 +217,7 @@ do { \ #define ERTS_BIF_PREP_ERROR_TRAPPED2(Ret, Proc, Reason, Bif, A0, A1) \ do { \ - Eterm* reg = ERTS_PROC_GET_SCHDATA((Proc))->x_reg_array; \ + Eterm* reg = erts_proc_sched_data((Proc))->x_reg_array; \ (Proc)->freason = (Reason); \ (Proc)->current = (Bif)->code; \ reg[0] = (Eterm) (A0); \ @@ -227,7 +227,7 @@ do { \ #define ERTS_BIF_PREP_ERROR_TRAPPED3(Ret, Proc, Reason, Bif, A0, A1, A2) \ do { \ - Eterm* reg = ERTS_PROC_GET_SCHDATA((Proc))->x_reg_array; \ + Eterm* reg = erts_proc_sched_data((Proc))->x_reg_array; \ (Proc)->freason = (Reason); \ (Proc)->current = (Bif)->code; \ reg[0] = (Eterm) (A0); \ @@ -246,7 +246,7 @@ do { \ #define ERTS_BIF_PREP_TRAP1(Ret, Trap, Proc, A0) \ do { \ - Eterm* reg = ERTS_PROC_GET_SCHDATA((Proc))->x_reg_array; \ + Eterm* reg = erts_proc_sched_data((Proc))->x_reg_array; \ (Proc)->arity = 1; \ reg[0] = (Eterm) (A0); \ (Proc)->i = (BeamInstr*) ((Trap)->addressv[erts_active_code_ix()]); \ @@ -256,7 +256,7 @@ do { \ #define ERTS_BIF_PREP_TRAP2(Ret, Trap, Proc, A0, A1) \ do { \ - Eterm* reg = ERTS_PROC_GET_SCHDATA((Proc))->x_reg_array; \ + Eterm* reg = erts_proc_sched_data((Proc))->x_reg_array; \ (Proc)->arity = 2; \ reg[0] = (Eterm) (A0); \ reg[1] = (Eterm) (A1); \ @@ -267,7 +267,7 @@ do { \ #define ERTS_BIF_PREP_TRAP3(Ret, Trap, Proc, A0, A1, A2) \ do { \ - Eterm* reg = ERTS_PROC_GET_SCHDATA((Proc))->x_reg_array; \ + Eterm* reg = erts_proc_sched_data((Proc))->x_reg_array; \ (Proc)->arity = 3; \ reg[0] = (Eterm) (A0); \ reg[1] = (Eterm) (A1); \ @@ -279,7 +279,7 @@ do { \ #define ERTS_BIF_PREP_TRAP3_NO_RET(Trap, Proc, A0, A1, A2)\ do { \ - Eterm* reg = ERTS_PROC_GET_SCHDATA((Proc))->x_reg_array; \ + Eterm* reg = erts_proc_sched_data((Proc))->x_reg_array; \ (Proc)->arity = 3; \ reg[0] = (Eterm) (A0); \ reg[1] = (Eterm) (A1); \ @@ -296,7 +296,7 @@ do { \ } while(0) #define BIF_TRAP1(Trap_, p, A0) do { \ - Eterm* reg = ERTS_PROC_GET_SCHDATA((p))->x_reg_array; \ + Eterm* reg = erts_proc_sched_data((p))->x_reg_array; \ (p)->arity = 1; \ reg[0] = (A0); \ (p)->i = (BeamInstr*) ((Trap_)->addressv[erts_active_code_ix()]); \ @@ -305,7 +305,7 @@ do { \ } while(0) #define BIF_TRAP2(Trap_, p, A0, A1) do { \ - Eterm* reg = ERTS_PROC_GET_SCHDATA((p))->x_reg_array; \ + Eterm* reg = erts_proc_sched_data((p))->x_reg_array; \ (p)->arity = 2; \ reg[0] = (A0); \ reg[1] = (A1); \ @@ -315,7 +315,7 @@ do { \ } while(0) #define BIF_TRAP3(Trap_, p, A0, A1, A2) do { \ - Eterm* reg = ERTS_PROC_GET_SCHDATA((p))->x_reg_array; \ + Eterm* reg = erts_proc_sched_data((p))->x_reg_array; \ (p)->arity = 3; \ reg[0] = (A0); \ reg[1] = (A1); \ diff --git a/erts/emulator/beam/binary.c b/erts/emulator/beam/binary.c index cfd8fbe2f5..071a356260 100644 --- a/erts/emulator/beam/binary.c +++ b/erts/emulator/beam/binary.c @@ -117,7 +117,7 @@ new_binary(Process *p, byte *buf, Uint len) * When heap binary is not desired... */ -Eterm erts_new_mso_binary(Process *p, byte *buf, int len) +Eterm erts_new_mso_binary(Process *p, byte *buf, Uint len) { ProcBin* pb; Binary* bptr; diff --git a/erts/emulator/beam/break.c b/erts/emulator/beam/break.c index d02c6828f9..3c19e82b66 100644 --- a/erts/emulator/beam/break.c +++ b/erts/emulator/beam/break.c @@ -118,7 +118,9 @@ process_killer(void) | ERTS_PSFLG_ACTIVE_SYS | ERTS_PSFLG_IN_RUNQ | ERTS_PSFLG_RUNNING - | ERTS_PSFLG_RUNNING_SYS)) { + | ERTS_PSFLG_RUNNING_SYS + | ERTS_PSFLG_DIRTY_RUNNING + | ERTS_PSFLG_DIRTY_RUNNING_SYS)) { erts_printf("Can only kill WAITING processes this way\n"); } else { @@ -214,7 +216,8 @@ print_process_info(int to, void *to_arg, Process *p) if (state & ERTS_PSFLG_GC) { garbing = 1; running = 1; - } else if (state & ERTS_PSFLG_RUNNING) + } else if (state & (ERTS_PSFLG_RUNNING + | ERTS_PSFLG_DIRTY_RUNNING)) running = 1; /* diff --git a/erts/emulator/beam/erl_alloc.c b/erts/emulator/beam/erl_alloc.c index c367d4162c..3c2c9def3b 100644 --- a/erts/emulator/beam/erl_alloc.c +++ b/erts/emulator/beam/erl_alloc.c @@ -137,10 +137,13 @@ static ErtsAllocatorState_t exec_alloc_state; #endif static ErtsAllocatorState_t test_alloc_state; -#define ERTS_ALC_INFO_A_ALLOC_UTIL (ERTS_ALC_A_MAX + 1) -#define ERTS_ALC_INFO_A_MSEG_ALLOC (ERTS_ALC_A_MAX + 2) -#define ERTS_ALC_INFO_A_ERTS_MMAP (ERTS_ALC_A_MAX + 3) -#define ERTS_ALC_INFO_A_MAX ERTS_ALC_INFO_A_ERTS_MMAP +enum { + ERTS_ALC_INFO_A_ALLOC_UTIL = ERTS_ALC_A_MAX + 1, + ERTS_ALC_INFO_A_MSEG_ALLOC, + ERTS_ALC_INFO_A_ERTS_MMAP, + ERTS_ALC_INFO_A_DISABLED_EXEC, /* fake a disabled "exec_alloc" */ + ERTS_ALC_INFO_A_END +}; typedef struct { erts_smp_atomic32_t refc; @@ -150,7 +153,7 @@ typedef struct { Process *proc; Eterm ref; Eterm ref_heap[REF_THING_SIZE]; - int allocs[ERTS_ALC_INFO_A_MAX - ERTS_ALC_A_MIN + 1 + 1]; + int allocs[ERTS_ALC_INFO_A_END - ERTS_ALC_A_MIN + 1]; } ErtsAllocInfoReq; ERTS_SCHED_PREF_QUICK_ALLOC_IMPL(aireq, @@ -3260,6 +3263,12 @@ reply_alloc_info(void *vair) am_false); #endif break; +#ifndef ERTS_ALC_A_EXEC + case ERTS_ALC_INFO_A_DISABLED_EXEC: + alloc_atom = erts_bld_atom(hpp, szp, "exec_alloc"); + ainfo = erts_bld_tuple2(hpp, szp, alloc_atom, am_false); + break; +#endif default: alloc_atom = erts_bld_atom(hpp, szp, (char *) ERTS_ALC_A2AD(ai)); @@ -3287,7 +3296,8 @@ reply_alloc_info(void *vair) switch (ai) { case ERTS_ALC_A_SYSTEM: case ERTS_ALC_INFO_A_ALLOC_UTIL: - case ERTS_ALC_INFO_A_ERTS_MMAP: + case ERTS_ALC_INFO_A_ERTS_MMAP: + case ERTS_ALC_INFO_A_DISABLED_EXEC: break; case ERTS_ALC_INFO_A_MSEG_ALLOC: #if HAVE_ERTS_MSEG && defined(ERTS_SMP) @@ -3359,7 +3369,7 @@ erts_request_alloc_info(struct process *c_p, int internal) { ErtsAllocInfoReq *air = aireq_alloc(); - Eterm req_ai[ERTS_ALC_INFO_A_MAX+1] = {0}; + Eterm req_ai[ERTS_ALC_INFO_A_END] = {0}; Eterm alist; Eterm *hp; int airix = 0, ai; @@ -3399,6 +3409,12 @@ erts_request_alloc_info(struct process *c_p, ai = ERTS_ALC_INFO_A_ERTS_MMAP; goto save_alloc; } +#ifndef ERTS_ALC_A_EXEC + if (erts_is_atom_str("exec_alloc", alloc, 0)) { + ai = ERTS_ALC_INFO_A_DISABLED_EXEC; + goto save_alloc; + } +#endif if (erts_is_atom_str("alloc_util", alloc, 0)) { ai = ERTS_ALC_INFO_A_ALLOC_UTIL; save_alloc: diff --git a/erts/emulator/beam/erl_alloc.types b/erts/emulator/beam/erl_alloc.types index ba216c7eb4..227fedfb69 100644 --- a/erts/emulator/beam/erl_alloc.types +++ b/erts/emulator/beam/erl_alloc.types @@ -278,6 +278,7 @@ type IOB_REQ SHORT_LIVED SYSTEM io_bytes_request type TRACER_NIF LONG_LIVED SYSTEM tracer_nif type TRACE_MSG_QUEUE SHORT_LIVED SYSTEM trace_message_queue type SCHED_ASYNC_JOB SHORT_LIVED SYSTEM async_calls +type DIRTY_START STANDARD PROCESSES dirty_start +if threads_no_smp # Need thread safe allocs, but std_alloc and fix_alloc are not; diff --git a/erts/emulator/beam/erl_bif_info.c b/erts/emulator/beam/erl_bif_info.c index 85cadafebc..2e195db0ee 100644 --- a/erts/emulator/beam/erl_bif_info.c +++ b/erts/emulator/beam/erl_bif_info.c @@ -45,6 +45,7 @@ #include "erl_async.h" #include "erl_thr_progress.h" #include "erl_bif_unique.h" +#include "erl_map.h" #define ERTS_PTAB_WANT_DEBUG_FUNCS__ #include "erl_ptab.h" #ifdef HIPE @@ -594,6 +595,7 @@ static Eterm pi_args[] = { am_suspending, am_min_heap_size, am_min_bin_vheap_size, + am_max_heap_size, am_current_location, am_current_stacktrace, am_message_queue_data, @@ -643,10 +645,11 @@ pi_arg2ix(Eterm arg) case am_suspending: return 26; case am_min_heap_size: return 27; case am_min_bin_vheap_size: return 28; - case am_current_location: return 29; - case am_current_stacktrace: return 30; - case am_message_queue_data: return 31; - case am_garbage_collection_info: return 32; + case am_max_heap_size: return 29; + case am_current_location: return 30; + case am_current_stacktrace: return 31; + case am_message_queue_data: return 32; + case am_garbage_collection_info: return 33; default: return -1; } } @@ -1107,7 +1110,7 @@ process_info_aux(Process *BIF_P, break; case am_status: - res = erts_process_status(BIF_P, ERTS_PROC_LOCK_MAIN, rp, rpid); + res = erts_process_status(rp, rpid); ASSERT(res != am_undefined); hp = HAlloc(BIF_P, 3); break; @@ -1348,6 +1351,18 @@ process_info_aux(Process *BIF_P, break; } + case am_max_heap_size: { + Uint hsz = 3; + (void) erts_max_heap_size_map(MAX_HEAP_SIZE_GET(rp), + MAX_HEAP_SIZE_FLAGS_GET(rp), + NULL, &hsz); + hp = HAlloc(BIF_P, hsz); + res = erts_max_heap_size_map(MAX_HEAP_SIZE_GET(rp), + MAX_HEAP_SIZE_FLAGS_GET(rp), + &hp, NULL); + break; + } + case am_total_heap_size: { ErtsMessage *mp; Uint total_heap_size; @@ -1391,8 +1406,12 @@ process_info_aux(Process *BIF_P, case am_garbage_collection: { DECL_AM(minor_gcs); Eterm t; + Uint map_sz = 0; + + erts_max_heap_size_map(MAX_HEAP_SIZE_GET(rp), MAX_HEAP_SIZE_FLAGS_GET(rp), NULL, &map_sz); - hp = HAlloc(BIF_P, 3+2 + 3+2 + 3+2 + 3+2 + 3); /* last "3" is for outside tuple */ + hp = HAlloc(BIF_P, 3+2 + 3+2 + 3+2 + 3+2 + 3+2 + map_sz + 3); + /* last "3" is for outside tuple */ t = TUPLE2(hp, AM_minor_gcs, make_small(GEN_GCS(rp))); hp += 3; res = CONS(hp, t, NIL); hp += 2; @@ -1403,6 +1422,11 @@ process_info_aux(Process *BIF_P, res = CONS(hp, t, res); hp += 2; t = TUPLE2(hp, am_min_bin_vheap_size, make_small(MIN_VHEAP_SIZE(rp))); hp += 3; res = CONS(hp, t, res); hp += 2; + + t = erts_max_heap_size_map(MAX_HEAP_SIZE_GET(rp), MAX_HEAP_SIZE_FLAGS_GET(rp), &hp, NULL); + + t = TUPLE2(hp, am_max_heap_size, t); hp += 3; + res = CONS(hp, t, res); hp += 2; break; } @@ -1412,12 +1436,12 @@ process_info_aux(Process *BIF_P, if (rp == BIF_P) { sz += ERTS_PROCESS_GC_INFO_MAX_SIZE; } else { - erts_process_gc_info(rp, &sz, NULL); + erts_process_gc_info(rp, &sz, NULL, 0, 0); sz += 3; } hp = HAlloc(BIF_P, sz); - res = erts_process_gc_info(rp, &actual_sz, &hp); + res = erts_process_gc_info(rp, &actual_sz, &hp, 0, 0); /* We may have some extra space, fill with 0 tuples */ if (actual_sz <= sz - 3) { @@ -2035,12 +2059,8 @@ BIF_RETTYPE system_info_1(BIF_ALIST_1) Uint arity = *tp++; return info_1_tuple(BIF_P, tp, arityval(arity)); } else if (BIF_ARG_1 == am_scheduler_id) { -#ifdef ERTS_SMP - ASSERT(BIF_P->scheduler_data); - BIF_RET(make_small(BIF_P->scheduler_data->no)); -#else - BIF_RET(make_small(1)); -#endif + ErtsSchedulerData *esdp = erts_proc_sched_data(BIF_P); + BIF_RET(make_small(esdp->no)); } else if (BIF_ARG_1 == am_compat_rel) { ASSERT(erts_compat_rel > 0); BIF_RET(make_small(erts_compat_rel)); @@ -2173,7 +2193,7 @@ BIF_RETTYPE system_info_1(BIF_ALIST_1) } else if (BIF_ARG_1 == am_garbage_collection){ Uint val = (Uint) erts_smp_atomic32_read_nob(&erts_max_gen_gcs); Eterm tup; - hp = HAlloc(BIF_P, 3+2 + 3+2 + 3+2); + hp = HAlloc(BIF_P, 3+2 + 3+2 + 3+2 + 3+2); tup = TUPLE2(hp, am_fullsweep_after, make_small(val)); hp += 3; res = CONS(hp, tup, NIL); hp += 2; @@ -2184,6 +2204,9 @@ BIF_RETTYPE system_info_1(BIF_ALIST_1) tup = TUPLE2(hp, am_min_bin_vheap_size, make_small(BIN_VH_MIN_SIZE)); hp += 3; res = CONS(hp, tup, res); hp += 2; + tup = TUPLE2(hp, am_max_heap_size, make_small(H_MAX_SIZE)); hp += 3; + res = CONS(hp, tup, res); hp += 2; + BIF_RET(res); } else if (BIF_ARG_1 == am_fullsweep_after){ Uint val = (Uint) erts_smp_atomic32_read_nob(&erts_max_gen_gcs); @@ -2194,6 +2217,12 @@ BIF_RETTYPE system_info_1(BIF_ALIST_1) hp = HAlloc(BIF_P, 3); res = TUPLE2(hp, am_min_heap_size,make_small(H_MIN_SIZE)); BIF_RET(res); + } else if (BIF_ARG_1 == am_max_heap_size) { + Uint sz = 0; + erts_max_heap_size_map(H_MAX_SIZE, H_MAX_FLAGS, NULL, &sz); + hp = HAlloc(BIF_P, sz); + res = erts_max_heap_size_map(H_MAX_SIZE, H_MAX_FLAGS, &hp, NULL); + BIF_RET(res); } else if (BIF_ARG_1 == am_min_bin_vheap_size) { hp = HAlloc(BIF_P, 3); res = TUPLE2(hp, am_min_bin_vheap_size,make_small(BIN_VH_MIN_SIZE)); @@ -3589,10 +3618,7 @@ BIF_RETTYPE erts_debug_get_internal_state_1(BIF_ALIST_1) /* Used by timer process_SUITE, timer_bif_SUITE, and node_container_SUITE (emulator) */ if (is_internal_pid(tp[2])) { - BIF_RET(erts_process_status(BIF_P, - ERTS_PROC_LOCK_MAIN, - NULL, - tp[2])); + BIF_RET(erts_process_status(NULL, tp[2])); } } else if (ERTS_IS_ATOM_STR("link_list", tp[1])) { diff --git a/erts/emulator/beam/erl_bif_re.c b/erts/emulator/beam/erl_bif_re.c index f4daecd2a4..ff7746ce1d 100644 --- a/erts/emulator/beam/erl_bif_re.c +++ b/erts/emulator/beam/erl_bif_re.c @@ -630,9 +630,15 @@ static Eterm build_exec_return(Process *p, int rc, RestartContext *restartp, Ete } } else { ReturnInfo *ri; - ReturnInfo defri = {RetIndex,0,{0}}; + ReturnInfo defri; if (restartp->ret_info == NULL) { + /* OpenBSD 5.8 gcc compiler for some reason creates + bad code if the above initialization is done + inline with the struct. So don't do that. */ + defri.type = RetIndex; + defri.num_spec = 0; + defri.v[0] = 0; ri = &defri; } else { ri = restartp->ret_info; diff --git a/erts/emulator/beam/erl_bif_trace.c b/erts/emulator/beam/erl_bif_trace.c index b65c0e303f..66e5146da0 100644 --- a/erts/emulator/beam/erl_bif_trace.c +++ b/erts/emulator/beam/erl_bif_trace.c @@ -512,8 +512,7 @@ start_trace(Process *c_p, ErtsTracer tracer, && !ERTS_TRACER_COMPARE(ERTS_TRACER(port), tracer)) { /* This tracee is already being traced, and not by the * tracer to be */ - if (erts_is_tracer_proc_enabled(c_p, ERTS_PROC_LOCKS_ALL, - common, am_trace_status)) { + if (erts_is_tracer_enabled(tracer, common)) { /* The tracer is still in use */ return 1; } @@ -856,7 +855,7 @@ trace_info_pid(Process* p, Eterm pid_spec, Eterm key) return am_undefined; if (!ERTS_TRACER_IS_NIL(ERTS_TRACER(tracee))) - erts_is_tracer_proc_enabled(NULL, 0, &tracee->common, am_trace_status); + erts_is_tracer_proc_enabled(NULL, 0, &tracee->common); tracer = erts_tracer_to_term(p, ERTS_TRACER(tracee)); trace_flags = ERTS_TRACE_FLAGS(tracee); @@ -864,22 +863,24 @@ trace_info_pid(Process* p, Eterm pid_spec, Eterm key) erts_port_release(tracee); } else if (is_internal_pid(pid_spec)) { - Process *tracee; - tracee = erts_pid2proc(p, ERTS_PROC_LOCK_MAIN, - pid_spec, ERTS_PROC_LOCK_MAIN); + Process *tracee = erts_pid2proc_not_running(p, ERTS_PROC_LOCK_MAIN, + pid_spec, ERTS_PROC_LOCK_MAIN); + + if (tracee == ERTS_PROC_LOCK_BUSY) + ERTS_BIF_YIELD2(bif_export[BIF_trace_info_2], p, pid_spec, key); if (!tracee) return am_undefined; if (!ERTS_TRACER_IS_NIL(ERTS_TRACER(tracee))) erts_is_tracer_proc_enabled(tracee, ERTS_PROC_LOCK_MAIN, - &tracee->common, am_trace_status); + &tracee->common); tracer = erts_tracer_to_term(p, ERTS_TRACER(tracee)); trace_flags = ERTS_TRACE_FLAGS(tracee); - if (tracee != p) - erts_smp_proc_unlock(tracee, ERTS_PROC_LOCK_MAIN); + if (tracee != p) + erts_smp_proc_unlock(tracee, ERTS_PROC_LOCK_MAIN); } else if (is_external_pid(pid_spec) && external_pid_dist_entry(pid_spec) == erts_this_dist_entry) { return am_undefined; diff --git a/erts/emulator/beam/erl_bif_unique.c b/erts/emulator/beam/erl_bif_unique.c index 1e57e9fa53..7c70217d8d 100644 --- a/erts/emulator/beam/erl_bif_unique.c +++ b/erts/emulator/beam/erl_bif_unique.c @@ -257,7 +257,7 @@ static ERTS_INLINE Eterm unique_integer_bif(Process *c_p, int positive) Uint hsz; Eterm *hp; - esdp = ERTS_PROC_GET_SCHDATA(c_p); + esdp = erts_proc_sched_data(c_p); thr_id = (Uint64) esdp->thr_id; unique = esdp->unique++; bld_unique_integer_term(NULL, &hsz, thr_id, unique, positive); @@ -515,7 +515,7 @@ BIF_RETTYPE make_ref_0(BIF_ALIST_0) hp = HAlloc(BIF_P, REF_THING_SIZE); - res = erts_sched_make_ref_in_buffer(ERTS_PROC_GET_SCHDATA(BIF_P), hp); + res = erts_sched_make_ref_in_buffer(erts_proc_sched_data(BIF_P), hp); BIF_RET(res); } diff --git a/erts/emulator/beam/erl_bits.h b/erts/emulator/beam/erl_bits.h index 1c2a090f07..4bd5b24157 100644 --- a/erts/emulator/beam/erl_bits.h +++ b/erts/emulator/beam/erl_bits.h @@ -83,8 +83,8 @@ typedef struct erl_bin_match_struct{ #ifdef ERTS_SMP /* the state resides in the current process' scheduler data */ #define ERL_BITS_DECLARE_STATEP struct erl_bits_state *EBS -#define ERL_BITS_RELOAD_STATEP(P) do{EBS = &(P)->scheduler_data->erl_bits_state;}while(0) -#define ERL_BITS_DEFINE_STATEP(P) struct erl_bits_state *EBS = &(P)->scheduler_data->erl_bits_state +#define ERL_BITS_RELOAD_STATEP(P) do{EBS = &erts_proc_sched_data((P))->erl_bits_state;}while(0) +#define ERL_BITS_DEFINE_STATEP(P) struct erl_bits_state *EBS = &erts_proc_sched_data((P))->erl_bits_state #else /* reentrant API but with a hidden single global state, for testing only */ extern struct erl_bits_state ErlBitsState_; diff --git a/erts/emulator/beam/erl_db.c b/erts/emulator/beam/erl_db.c index acaca54e9a..bad34211a5 100644 --- a/erts/emulator/beam/erl_db.c +++ b/erts/emulator/beam/erl_db.c @@ -3462,7 +3462,7 @@ static void fix_table_locked(Process* p, DbTable* tb) fix = tb->common.fixations; if (fix == NULL) { tb->common.time.monotonic - = erts_get_monotonic_time(ERTS_PROC_GET_SCHDATA(p)); + = erts_get_monotonic_time(erts_proc_sched_data(p)); tb->common.time.offset = erts_get_time_offset(); } else { diff --git a/erts/emulator/beam/erl_db_util.c b/erts/emulator/beam/erl_db_util.c index 95b1cd0148..6732b708a8 100644 --- a/erts/emulator/beam/erl_db_util.c +++ b/erts/emulator/beam/erl_db_util.c @@ -174,7 +174,8 @@ set_match_trace(Process *tracee_p, Eterm fail_term, ErtsTracer tracer, ERTS_PROC_LOCKS_ALL == erts_proc_lc_my_proc_locks(tracee_p) || erts_thr_progress_is_blocking()); - if (ERTS_TRACER_IS_NIL(tracer) || erts_is_tracer_enabled(tracee_p, tracer)) + if (ERTS_TRACER_IS_NIL(tracer) + || erts_is_tracer_enabled(tracer, &tracee_p->common)) return set_tracee_flags(tracee_p, tracer, d_flags, e_flags); return fail_term; } @@ -1801,7 +1802,7 @@ Eterm db_prog_match(Process *c_p, /* We need to lure the scheduler into believing in the pseudo process, because of floating point exceptions. Do *after* mpsp is set!!! */ - esdp = ERTS_GET_SCHEDULER_DATA_FROM_PROC(psp); + esdp = erts_get_scheduler_data(); if (esdp) current_scheduled = esdp->current_process; /* SMP: psp->scheduler_data is set by get_match_pseudo_process */ diff --git a/erts/emulator/beam/erl_drv_nif.h b/erts/emulator/beam/erl_drv_nif.h index 2700b62854..6ec5fbb895 100644 --- a/erts/emulator/beam/erl_drv_nif.h +++ b/erts/emulator/beam/erl_drv_nif.h @@ -43,12 +43,11 @@ typedef struct { int suggested_stack_size; } ErlDrvThreadOpts; -#if defined(ERL_DRV_DIRTY_SCHEDULER_SUPPORT) || defined(ERL_NIF_DIRTY_SCHEDULER_SUPPORT) + typedef enum { - ERL_DRV_DIRTY_JOB_CPU_BOUND = 1, - ERL_DRV_DIRTY_JOB_IO_BOUND = 2 -} ErlDrvDirtyJobFlags; -#endif + ERL_DIRTY_JOB_CPU_BOUND = 1, + ERL_DIRTY_JOB_IO_BOUND = 2 +} ErlDirtyJobFlags; #ifdef SIZEOF_CHAR # define SIZEOF_CHAR_SAVED__ SIZEOF_CHAR diff --git a/erts/emulator/beam/erl_gc.c b/erts/emulator/beam/erl_gc.c index bed7e668d7..d740b2baec 100644 --- a/erts/emulator/beam/erl_gc.c +++ b/erts/emulator/beam/erl_gc.c @@ -41,6 +41,7 @@ #endif #include "dtrace-wrapper.h" #include "erl_bif_unique.h" +#include "dist.h" #define ERTS_INACT_WR_PB_LEAVE_MUCH_LIMIT 1 #define ERTS_INACT_WR_PB_LEAVE_MUCH_PERCENTAGE 20 @@ -146,7 +147,8 @@ static void offset_rootset(Process *p, Sint offs, char* area, Uint area_size, static void offset_off_heap(Process* p, Sint offs, char* area, Uint area_size); static void offset_mqueue(Process *p, Sint offs, char* area, Uint area_size); static void move_msgq_to_heap(Process *p); - +static int reached_max_heap_size(Process *p, Uint total_heap_size, + Uint extra_heap_size, Uint extra_old_heap_size); static void init_gc_info(ErtsGCInfo *gcip); #ifdef HARDDEBUG @@ -389,7 +391,7 @@ erts_gc_after_bif_call_lhf(Process* p, ErlHeapFragment *live_hf_end, if (p->freason == TRAP) { #if HIPE if (regs == NULL) { - regs = ERTS_PROC_GET_SCHDATA(p)->x_reg_array; + regs = erts_proc_sched_data(p)->x_reg_array; } #endif cost = garbage_collect(p, live_hf_end, 0, regs, p->arity, p->fcalls); @@ -404,6 +406,7 @@ erts_gc_after_bif_call_lhf(Process* p, ErlHeapFragment *live_hf_end, result = val[0]; } BUMP_REDS(p, cost); + return result; } @@ -507,14 +510,14 @@ delay_garbage_collection(Process *p, ErlHeapFragment *live_hf_end, int need, int /* Make sure that we do a proper GC as soon as possible... */ p->flags |= F_FORCE_GC; reds_left = ERTS_REDS_LEFT(p, fcalls); - ASSERT(CONTEXT_REDS - reds_left >= ERTS_PROC_GET_SCHDATA(p)->virtual_reds); + ASSERT(CONTEXT_REDS - reds_left >= erts_proc_sched_data(p)->virtual_reds); if (reds_left > ERTS_ABANDON_HEAP_COST) { int vreds = reds_left - ERTS_ABANDON_HEAP_COST; - ERTS_PROC_GET_SCHDATA((p))->virtual_reds += vreds; + erts_proc_sched_data((p))->virtual_reds += vreds; } - ASSERT(CONTEXT_REDS >= ERTS_PROC_GET_SCHDATA(p)->virtual_reds); + ASSERT(CONTEXT_REDS >= erts_proc_sched_data(p)->virtual_reds); return reds_left; } @@ -577,18 +580,22 @@ garbage_collect(Process* p, ErlHeapFragment *live_hf_end, int need, Eterm* objv, int nobj, int fcalls) { Uint reclaimed_now = 0; + Eterm gc_trace_end_tag; int reds; ErtsMonotonicTime start_time = 0; /* Shut up faulty warning... */ ErtsSchedulerData *esdp; + erts_aint32_t state; ERTS_MSACC_PUSH_STATE_M(); #ifdef USE_VM_PROBES DTRACE_CHARBUF(pidbuf, DTRACE_TERM_BUF_SIZE); #endif ASSERT(CONTEXT_REDS - ERTS_REDS_LEFT(p, fcalls) - >= ERTS_PROC_GET_SCHDATA(p)->virtual_reds); + >= erts_proc_sched_data(p)->virtual_reds); - if (p->flags & (F_DISABLE_GC|F_DELAY_GC)) + state = erts_smp_atomic32_read_nob(&p->state); + + if (p->flags & (F_DISABLE_GC|F_DELAY_GC) || state & ERTS_PSFLG_EXITING) return delay_garbage_collection(p, live_hf_end, need, fcalls); if (p->abandoned_heap) @@ -623,28 +630,28 @@ garbage_collect(Process* p, ErlHeapFragment *live_hf_end, if (GEN_GCS(p) < MAX_GEN_GCS(p) && !(FLAGS(p) & F_NEED_FULLSWEEP)) { if (IS_TRACED_FL(p, F_TRACE_GC)) { - trace_gc(p, am_gc_minor_start, need); + trace_gc(p, am_gc_minor_start, need, THE_NON_VALUE); } DTRACE2(gc_minor_start, pidbuf, need); reds = minor_collection(p, live_hf_end, need, objv, nobj, &reclaimed_now); DTRACE2(gc_minor_end, pidbuf, reclaimed_now); - if (IS_TRACED_FL(p, F_TRACE_GC)) { - trace_gc(p, am_gc_minor_end, reclaimed_now); - } - if (reds < 0) + if (reds == -1) { + if (IS_TRACED_FL(p, F_TRACE_GC)) { + trace_gc(p, am_gc_minor_end, reclaimed_now, THE_NON_VALUE); + } goto do_major_collection; + } + gc_trace_end_tag = am_gc_minor_end; } else { do_major_collection: ERTS_MSACC_SET_STATE_CACHED_M_X(ERTS_MSACC_STATE_GC_FULL); if (IS_TRACED_FL(p, F_TRACE_GC)) { - trace_gc(p, am_gc_major_start, need); + trace_gc(p, am_gc_major_start, need, THE_NON_VALUE); } DTRACE2(gc_major_start, pidbuf, need); reds = major_collection(p, live_hf_end, need, objv, nobj, &reclaimed_now); DTRACE2(gc_major_end, pidbuf, reclaimed_now); - if (IS_TRACED_FL(p, F_TRACE_GC)) { - trace_gc(p, am_gc_major_end, reclaimed_now); - } + gc_trace_end_tag = am_gc_major_end; ERTS_MSACC_SET_STATE_CACHED_M_X(ERTS_MSACC_STATE_GC); } @@ -658,8 +665,33 @@ do_major_collection: ErtsGcQuickSanityCheck(p); + /* Max heap size has been reached and the process was configured + to be killed, so we kill it and set it in a delayed garbage + collecting state. There should be no gc_end trace or + long_gc/large_gc triggers when this happens as process was + killed before a GC could be done. */ + if (reds == -2) { + ErtsProcLocks locks = ERTS_PROC_LOCKS_ALL; + + erts_smp_proc_lock(p, ERTS_PROC_LOCKS_ALL_MINOR); + erts_send_exit_signal(p, p->common.id, p, &locks, + am_kill, NIL, NULL, 0); + erts_smp_proc_unlock(p, locks & ERTS_PROC_LOCKS_ALL_MINOR); + + /* erts_send_exit_signal looks for ERTS_PSFLG_GC, so + we have to remove it after the signal is sent */ + erts_smp_atomic32_read_band_nob(&p->state, ~ERTS_PSFLG_GC); + + /* We have to make sure that we have space for need on the heap */ + return delay_garbage_collection(p, live_hf_end, need, fcalls); + } + erts_smp_atomic32_read_band_nob(&p->state, ~ERTS_PSFLG_GC); + if (IS_TRACED_FL(p, F_TRACE_GC)) { + trace_gc(p, gc_trace_end_tag, reclaimed_now, THE_NON_VALUE); + } + if (erts_system_monitor_long_gc != 0) { ErtsMonotonicTime end_time; Uint gc_time; @@ -716,7 +748,7 @@ erts_garbage_collect_nobump(Process* p, int need, Eterm* objv, int nobj, int fca int reds_left = ERTS_REDS_LEFT(p, fcalls); if (reds > reds_left) reds = reds_left; - ASSERT(CONTEXT_REDS - (reds_left - reds) >= ERTS_PROC_GET_SCHDATA(p)->virtual_reds); + ASSERT(CONTEXT_REDS - (reds_left - reds) >= erts_proc_sched_data(p)->virtual_reds); return reds; } @@ -726,7 +758,7 @@ erts_garbage_collect(Process* p, int need, Eterm* objv, int nobj) int reds = garbage_collect(p, ERTS_INVALID_HFRAG_PTR, need, objv, nobj, p->fcalls); BUMP_REDS(p, reds); ASSERT(CONTEXT_REDS - ERTS_BIF_REDS_LEFT(p) - >= ERTS_PROC_GET_SCHDATA(p)->virtual_reds); + >= erts_proc_sched_data(p)->virtual_reds); } /* @@ -761,6 +793,7 @@ erts_garbage_collect_hibernate(Process* p) heap_size = p->heap_sz + (p->old_htop - p->old_heap) + p->mbuf_sz; + heap = (Eterm*) ERTS_HEAP_ALLOC(ERTS_ALC_T_TMP_HEAP, sizeof(Eterm)*heap_size); htop = heap; @@ -1031,6 +1064,34 @@ minor_collection(Process* p, ErlHeapFragment *live_hf_end, Uint size_before = young_gen_usage(p); /* + * Check if we have gone past the max heap size limit + */ + + if (MAX_HEAP_SIZE_GET(p)) { + Uint heap_size = size_before, + /* Note that we also count the un-allocated area + in between the stack and heap */ + stack_size = HEAP_END(p) - HEAP_TOP(p), + extra_heap_size, + extra_old_heap_size = 0; + + /* Add potential old heap size */ + if (OLD_HEAP(p) == NULL && mature_size != 0) { + extra_old_heap_size = erts_next_heap_size(size_before, 1); + heap_size += extra_old_heap_size; + } else if (OLD_HEAP(p)) + heap_size += OLD_HEND(p) - OLD_HEAP(p); + + /* Add potential new young heap size */ + extra_heap_size = next_heap_size(p, stack_size + size_before, 0); + heap_size += extra_heap_size; + + if (heap_size > MAX_HEAP_SIZE_GET(p)) + if (reached_max_heap_size(p, heap_size, extra_heap_size, extra_old_heap_size)) + return -2; + } + + /* * Allocate an old heap if we don't have one and if we'll need one. */ @@ -1139,6 +1200,16 @@ minor_collection(Process* p, ErlHeapFragment *live_hf_end, ASSERT(HEAP_SIZE(p) == next_heap_size(p, HEAP_SIZE(p), 0)); ASSERT(MBUF(p) == NULL); + /* The heap usage during GC should be larger than what we end up + after a GC, even if we grow it. If this assertion is not true + we have to check size in grow_new_heap and potentially kill the + process from there */ + ASSERT(!MAX_HEAP_SIZE_GET(p) || + !(MAX_HEAP_SIZE_FLAGS_GET(p) & MAX_HEAP_SIZE_KILL) || + MAX_HEAP_SIZE_GET(p) > (young_gen_usage(p) + + (OLD_HEND(p) - OLD_HEAP(p)) + + (HEAP_END(p) - HEAP_TOP(p)))); + return gc_cost(size_after, adjust_size); } @@ -1457,6 +1528,25 @@ major_collection(Process* p, ErlHeapFragment *live_hf_end, if (new_sz == HEAP_SIZE(p) && FLAGS(p) & F_HEAP_GROW) { new_sz = next_heap_size(p, HEAP_SIZE(p), 1); } + + + if (MAX_HEAP_SIZE_GET(p)) { + Uint heap_size = size_before; + + /* Add unused space in old heap */ + heap_size += OLD_HEND(p) - OLD_HTOP(p); + + /* Add stack + unused space in young heap */ + heap_size += HEAP_END(p) - HEAP_TOP(p); + + /* Add size of new young heap */ + heap_size += new_sz; + + if (MAX_HEAP_SIZE_GET(p) < heap_size) + if (reached_max_heap_size(p, heap_size, new_sz, 0)) + return -2; + } + FLAGS(p) &= ~(F_HEAP_GROW|F_NEED_FULLSWEEP); n_htop = n_heap = (Eterm *) ERTS_HEAP_ALLOC(ERTS_ALC_T_HEAP, sizeof(Eterm)*new_sz); @@ -2955,7 +3045,7 @@ reply_gc_info(void *vgcirp) Eterm erts_gc_info_request(Process *c_p) { - ErtsSchedulerData *esdp = ERTS_PROC_GET_SCHDATA(c_p); + ErtsSchedulerData *esdp = erts_proc_sched_data(c_p); Eterm ref; ErtsGCInfoReq *gcirp; Eterm *hp; @@ -2986,7 +3076,9 @@ erts_gc_info_request(Process *c_p) } Eterm -erts_process_gc_info(Process *p, Uint *sizep, Eterm **hpp) +erts_process_gc_info(Process *p, Uint *sizep, Eterm **hpp, + Uint extra_heap_block, + Uint extra_old_heap_block_size) { ERTS_DECL_AM(bin_vheap_size); ERTS_DECL_AM(bin_vheap_block_size); @@ -3009,8 +3101,9 @@ erts_process_gc_info(Process *p, Uint *sizep, Eterm **hpp) AM_bin_old_vheap_block_size }; UWord values[] = { - OLD_HEAP(p) ? OLD_HEND(p) - OLD_HEAP(p) : 0, - HEAP_SIZE(p), + OLD_HEAP(p) ? OLD_HEND(p) - OLD_HEAP(p) + extra_old_heap_block_size + : extra_old_heap_block_size, + HEAP_SIZE(p) + extra_heap_block, MBUF_SIZE(p), HIGH_WATER(p) - HEAP_START(p), STACK_START(p) - p->stop, @@ -3056,6 +3149,130 @@ erts_process_gc_info(Process *p, Uint *sizep, Eterm **hpp) return res; } +static int +reached_max_heap_size(Process *p, Uint total_heap_size, + Uint extra_heap_size, Uint extra_old_heap_size) +{ + Uint max_heap_flags = MAX_HEAP_SIZE_FLAGS_GET(p); + if (IS_TRACED_FL(p, F_TRACE_GC) || + max_heap_flags & MAX_HEAP_SIZE_LOG) { + Eterm msg; + Uint size = 0; + Eterm *o_hp , *hp; + erts_process_gc_info(p, &size, NULL, extra_heap_size, + extra_old_heap_size); + o_hp = hp = erts_alloc(ERTS_ALC_T_TMP, size * sizeof(Eterm)); + msg = erts_process_gc_info(p, NULL, &hp, extra_heap_size, + extra_old_heap_size); + + if (max_heap_flags & MAX_HEAP_SIZE_LOG) { + int alive = erts_is_alive; + erts_dsprintf_buf_t *dsbufp = erts_create_logger_dsbuf(); + Eterm *o_hp, *hp, args = NIL; + + /* Build the format message */ + erts_dsprintf(dsbufp, " Process: ~p "); + if (alive) + erts_dsprintf(dsbufp, "on node ~p"); + erts_dsprintf(dsbufp, "~n Context: maximum heap size reached~n"); + erts_dsprintf(dsbufp, " Max Heap Size: ~p~n"); + erts_dsprintf(dsbufp, " Total Heap Size: ~p~n"); + erts_dsprintf(dsbufp, " Kill: ~p~n"); + erts_dsprintf(dsbufp, " Error Logger: ~p~n"); + erts_dsprintf(dsbufp, " GC Info: ~p~n"); + + /* Build the args in reverse order */ + o_hp = hp = erts_alloc(ERTS_ALC_T_TMP, 2*(alive ? 7 : 6) * sizeof(Eterm)); + args = CONS(hp, msg, args); hp += 2; + args = CONS(hp, am_true, args); hp += 2; + args = CONS(hp, (max_heap_flags & MAX_HEAP_SIZE_KILL ? am_true : am_false), args); hp += 2; + args = CONS(hp, make_small(total_heap_size), args); hp += 2; + args = CONS(hp, make_small(MAX_HEAP_SIZE_GET(p)), args); hp += 2; + if (alive) { + args = CONS(hp, erts_this_node->sysname, args); hp += 2; + } + args = CONS(hp, p->common.id, args); hp += 2; + + erts_send_error_term_to_logger(p->group_leader, dsbufp, args); + erts_free(ERTS_ALC_T_TMP, o_hp); + } + + if (IS_TRACED_FL(p, F_TRACE_GC)) + trace_gc(p, am_gc_max_heap_size, 0, msg); + + erts_free(ERTS_ALC_T_TMP, o_hp); + } + /* returns true if we should kill the process */ + return max_heap_flags & MAX_HEAP_SIZE_KILL; +} + +Eterm +erts_max_heap_size_map(Sint max_heap_size, Uint max_heap_flags, + Eterm **hpp, Uint *sz) +{ + if (!hpp) { + *sz += (2*3 + 1 + MAP_HEADER_FLATMAP_SZ); + return THE_NON_VALUE; + } else { + Eterm *hp = *hpp; + Eterm keys = TUPLE3(hp, am_error_logger, am_kill, am_size); + flatmap_t *mp; + hp += 4; + mp = (flatmap_t*) hp; + mp->thing_word = MAP_HEADER_FLATMAP; + mp->size = 3; + mp->keys = keys; + hp += MAP_HEADER_FLATMAP_SZ; + *hp++ = max_heap_flags & MAX_HEAP_SIZE_LOG ? am_true : am_false; + *hp++ = max_heap_flags & MAX_HEAP_SIZE_KILL ? am_true : am_false; + *hp++ = make_small(max_heap_size); + *hpp = hp; + return make_flatmap(mp); + } +} + +int +erts_max_heap_size(Eterm arg, Uint *max_heap_size, Uint *max_heap_flags) +{ + Sint sz; + *max_heap_flags = H_MAX_FLAGS; + if (is_small(arg)) { + sz = signed_val(arg); + *max_heap_flags = H_MAX_FLAGS; + } else if (is_map(arg)) { + const Eterm *size = erts_maps_get(am_size, arg); + const Eterm *kill = erts_maps_get(am_kill, arg); + const Eterm *log = erts_maps_get(am_error_logger, arg); + if (size && is_small(*size)) { + sz = signed_val(*size); + } else { + /* size is mandatory */ + return 0; + } + if (kill) { + if (*kill == am_true) + *max_heap_flags |= MAX_HEAP_SIZE_KILL; + else if (*kill == am_false) + *max_heap_flags &= ~MAX_HEAP_SIZE_KILL; + else + return 0; + } + if (log) { + if (*log == am_true) + *max_heap_flags |= MAX_HEAP_SIZE_LOG; + else if (*log == am_false) + *max_heap_flags &= ~MAX_HEAP_SIZE_LOG; + else + return 0; + } + } else + return 0; + if (sz < 0) + return 0; + *max_heap_size = sz; + return 1; +} + #if defined(DEBUG) || defined(ERTS_OFFHEAP_DEBUG) static int diff --git a/erts/emulator/beam/erl_gc.h b/erts/emulator/beam/erl_gc.h index 8a6ff99990..54ea9ca3c0 100644 --- a/erts/emulator/beam/erl_gc.h +++ b/erts/emulator/beam/erl_gc.h @@ -135,7 +135,7 @@ typedef struct { #define ERTS_PROCESS_GC_INFO_MAX_TERMS (11) /* number of elements in process_gc_info*/ #define ERTS_PROCESS_GC_INFO_MAX_SIZE \ (ERTS_PROCESS_GC_INFO_MAX_TERMS * (2/*cons*/ + 3/*2-tuple*/ + BIG_UINT_HEAP_SIZE)) -Eterm erts_process_gc_info(struct process*, Uint *, Eterm **); +Eterm erts_process_gc_info(struct process*, Uint *, Eterm **, Uint, Uint); void erts_gc_info(ErtsGCInfo *gcip); void erts_init_gc(void); @@ -155,5 +155,7 @@ void erts_offset_off_heap(struct erl_off_heap*, Sint, Eterm*, Eterm*); void erts_offset_heap_ptr(Eterm*, Uint, Sint, Eterm*, Eterm*); void erts_offset_heap(Eterm*, Uint, Sint, Eterm*, Eterm*); void erts_free_heap_frags(struct process* p); +Eterm erts_max_heap_size_map(Sint, Uint, Eterm **, Uint *); +int erts_max_heap_size(Eterm, Uint *, Uint *); #endif /* __ERL_GC_H__ */ diff --git a/erts/emulator/beam/erl_hl_timer.c b/erts/emulator/beam/erl_hl_timer.c index c418762578..ebeff51aac 100644 --- a/erts/emulator/beam/erl_hl_timer.c +++ b/erts/emulator/beam/erl_hl_timer.c @@ -1766,7 +1766,7 @@ setup_bif_timer(Process *c_p, ErtsMonotonicTime timeout_pos, if (is_not_internal_pid(rcvr) && is_not_atom(rcvr)) goto badarg; - esdp = ERTS_PROC_GET_SCHDATA(c_p); + esdp = erts_proc_sched_data(c_p); hp = HAlloc(c_p, REF_THING_SIZE); ref = erts_sched_make_ref_in_buffer(esdp, hp); @@ -1871,7 +1871,7 @@ access_sched_local_btm(Process *c_p, Eterm pid, if (!c_p) esdp = erts_get_scheduler_data(); else { - esdp = ERTS_PROC_GET_SCHDATA(c_p); + esdp = erts_proc_sched_data(c_p); ERTS_HLT_ASSERT(esdp == erts_get_scheduler_data()); } @@ -2138,7 +2138,7 @@ access_bif_timer(Process *c_p, Eterm tref, int cancel, int async, int info) goto no_timer; } - esdp = ERTS_PROC_GET_SCHDATA(c_p); + esdp = erts_proc_sched_data(c_p); trefn = internal_ref_numbers(tref); sid = erts_get_ref_numbers_thr_id(trefn); @@ -2363,7 +2363,7 @@ typedef struct { int erts_cancel_bif_timers(Process *p, ErtsBifTimers *btm, void **vyspp) { - ErtsSchedulerData *esdp = ERTS_PROC_GET_SCHDATA(p); + ErtsSchedulerData *esdp = erts_proc_sched_data(p); ErtsBifTimerYieldState ys = {btm, {ERTS_RBT_YIELD_STAT_INITER}}; ErtsBifTimerYieldState *ysp; int res; @@ -2409,7 +2409,7 @@ detach_bif_timer(ErtsHLTimer *tmr, void *vesdp) int erts_detach_accessor_bif_timers(Process *p, ErtsBifTimers *btm, void **vyspp) { - ErtsSchedulerData *esdp = ERTS_PROC_GET_SCHDATA(p); + ErtsSchedulerData *esdp = erts_proc_sched_data(p); ErtsBifTimerYieldState ys = {btm, {ERTS_RBT_YIELD_STAT_INITER}}; ErtsBifTimerYieldState *ysp; int res; @@ -2516,7 +2516,7 @@ BIF_RETTYPE send_after_3(BIF_ALIST_3) ErtsMonotonicTime timeout_pos; int short_time, tres; - tres = parse_timeout_pos(ERTS_PROC_GET_SCHDATA(BIF_P), BIF_ARG_1, NULL, + tres = parse_timeout_pos(erts_proc_sched_data(BIF_P), BIF_ARG_1, NULL, 0, &timeout_pos, &short_time); if (tres != 0) BIF_ERROR(BIF_P, BADARG); @@ -2534,7 +2534,7 @@ BIF_RETTYPE send_after_4(BIF_ALIST_4) if (!parse_bif_timer_options(BIF_ARG_4, NULL, NULL, &abs, &accessor)) BIF_ERROR(BIF_P, BADARG); - tres = parse_timeout_pos(ERTS_PROC_GET_SCHDATA(BIF_P), BIF_ARG_1, NULL, + tres = parse_timeout_pos(erts_proc_sched_data(BIF_P), BIF_ARG_1, NULL, abs, &timeout_pos, &short_time); if (tres != 0) BIF_ERROR(BIF_P, BADARG); @@ -2548,7 +2548,7 @@ BIF_RETTYPE start_timer_3(BIF_ALIST_3) ErtsMonotonicTime timeout_pos; int short_time, tres; - tres = parse_timeout_pos(ERTS_PROC_GET_SCHDATA(BIF_P), BIF_ARG_1, NULL, + tres = parse_timeout_pos(erts_proc_sched_data(BIF_P), BIF_ARG_1, NULL, 0, &timeout_pos, &short_time); if (tres != 0) BIF_ERROR(BIF_P, BADARG); @@ -2566,7 +2566,7 @@ BIF_RETTYPE start_timer_4(BIF_ALIST_4) if (!parse_bif_timer_options(BIF_ARG_4, NULL, NULL, &abs, &accessor)) BIF_ERROR(BIF_P, BADARG); - tres = parse_timeout_pos(ERTS_PROC_GET_SCHDATA(BIF_P), BIF_ARG_1, NULL, + tres = parse_timeout_pos(erts_proc_sched_data(BIF_P), BIF_ARG_1, NULL, abs, &timeout_pos, &short_time); if (tres != 0) BIF_ERROR(BIF_P, BADARG); @@ -2720,7 +2720,7 @@ set_proc_timer_common(Process *c_p, ErtsSchedulerData *esdp, Sint64 tmo, int erts_set_proc_timer_term(Process *c_p, Eterm etmo) { - ErtsSchedulerData *esdp = ERTS_PROC_GET_SCHDATA(c_p); + ErtsSchedulerData *esdp = erts_proc_sched_data(c_p); ErtsMonotonicTime tmo, timeout_pos; int short_time, tres; @@ -2742,7 +2742,7 @@ erts_set_proc_timer_term(Process *c_p, Eterm etmo) void erts_set_proc_timer_uword(Process *c_p, UWord tmo) { - ErtsSchedulerData *esdp = ERTS_PROC_GET_SCHDATA(c_p); + ErtsSchedulerData *esdp = erts_proc_sched_data(c_p); ERTS_HLT_ASSERT(erts_smp_atomic_read_nob(&c_p->common.timer) == ERTS_PTMR_NONE); @@ -2776,7 +2776,7 @@ erts_cancel_proc_timer(Process *c_p) erts_smp_atomic_set_nob(&c_p->common.timer, ERTS_PTMR_NONE); return; } - continue_cancel_ptimer(ERTS_PROC_GET_SCHDATA(c_p), + continue_cancel_ptimer(erts_proc_sched_data(c_p), (ErtsTimer *) tval); } diff --git a/erts/emulator/beam/erl_init.c b/erts/emulator/beam/erl_init.c index fcd2739ac3..0649fb68de 100644 --- a/erts/emulator/beam/erl_init.c +++ b/erts/emulator/beam/erl_init.c @@ -164,6 +164,8 @@ int erts_use_sender_punish; Uint display_items; /* no of items to display in traces etc */ int H_MIN_SIZE; /* The minimum heap grain */ int BIN_VH_MIN_SIZE; /* The minimum binary virtual*/ +int H_MAX_SIZE; /* The maximum heap size */ +int H_MAX_FLAGS; /* The maximum heap flags */ Uint32 erts_debug_flags; /* Debug flags. */ int erts_backtrace_depth; /* How many functions to show in a backtrace @@ -576,6 +578,10 @@ void erts_usage(void) H_DEFAULT_SIZE); erts_fprintf(stderr, "-hmbs size set minimum binary virtual heap size in words (default %d)\n", VH_DEFAULT_SIZE); + erts_fprintf(stderr, "-hmax size set maximum heap size in words (default %d)\n", + H_DEFAULT_MAX_SIZE); + erts_fprintf(stderr, "-hmaxk bool enable or disable kill at max heap size (default true)\n"); + erts_fprintf(stderr, "-hmaxel bool enable or disable error_logger report at max heap size (default true)\n"); erts_fprintf(stderr, "-hpds size initial process dictionary size (default %d)\n", erts_pd_initial_size); erts_fprintf(stderr, "-hmqd val set default message queue data flag for processes,\n"); @@ -759,6 +765,8 @@ early_init(int *argc, char **argv) /* erts_async_thread_suggested_stack_size = ERTS_ASYNC_THREAD_MIN_STACK_SIZE; H_MIN_SIZE = H_DEFAULT_SIZE; BIN_VH_MIN_SIZE = VH_DEFAULT_SIZE; + H_MAX_SIZE = H_DEFAULT_MAX_SIZE; + H_MAX_FLAGS = MAX_HEAP_SIZE_KILL|MAX_HEAP_SIZE_LOG; erts_initialized = 0; @@ -1484,10 +1492,13 @@ erl_start(int argc, char **argv) char *sub_param = argv[i]+2; /* set default heap size * - * h|ms - min_heap_size - * h|mbs - min_bin_vheap_size - * h|pds - erts_pd_initial_size - * h|mqd - message_queue_data + * h|ms - min_heap_size + * h|mbs - min_bin_vheap_size + * h|pds - erts_pd_initial_size + * h|mqd - message_queue_data + * h|max - max_heap_size + * h|maxk - max_heap_kill + * h|maxel - max_heap_error_logger * */ if (has_prefix("mbs", sub_param)) { @@ -1530,6 +1541,41 @@ erl_start(int argc, char **argv) "Invalid message_queue_data flag: %s\n", arg); erts_usage(); } + } else if (has_prefix("maxk", sub_param)) { + arg = get_arg(sub_param+4, argv[i+1], &i); + if (strcmp(arg,"true") == 0) { + H_MAX_FLAGS |= MAX_HEAP_SIZE_KILL; + } else if (strcmp(arg,"false") == 0) { + H_MAX_FLAGS &= ~MAX_HEAP_SIZE_KILL; + } else { + erts_fprintf(stderr, "bad max heap kill %s\n", arg); + erts_usage(); + } + VERBOSE(DEBUG_SYSTEM, ("using max heap kill %d\n", H_MAX_FLAGS)); + } else if (has_prefix("maxel", sub_param)) { + arg = get_arg(sub_param+5, argv[i+1], &i); + if (strcmp(arg,"true") == 0) { + H_MAX_FLAGS |= MAX_HEAP_SIZE_LOG; + } else if (strcmp(arg,"false") == 0) { + H_MAX_FLAGS &= ~MAX_HEAP_SIZE_LOG; + } else { + erts_fprintf(stderr, "bad max heap error logger %s\n", arg); + erts_usage(); + } + VERBOSE(DEBUG_SYSTEM, ("using max heap log %d\n", H_MAX_FLAGS)); + } else if (has_prefix("max", sub_param)) { + arg = get_arg(sub_param+3, argv[i+1], &i); + if ((H_MAX_SIZE = atoi(arg)) < 0) { + erts_fprintf(stderr, "bad max heap size %s\n", arg); + erts_usage(); + } + if (H_MAX_SIZE < H_MIN_SIZE && H_MAX_SIZE) { + erts_fprintf(stderr, "max heap size (%s) is not allowed to be " + "smaller than min heap size (%d)\n", + arg, H_MIN_SIZE); + erts_usage(); + } + VERBOSE(DEBUG_SYSTEM, ("using max heap size %d\n", H_MAX_SIZE)); } else { /* backward compatibility */ arg = get_arg(argv[i]+2, argv[i+1], &i); diff --git a/erts/emulator/beam/erl_message.c b/erts/emulator/beam/erl_message.c index 9bb6e40a11..579f6e427d 100644 --- a/erts/emulator/beam/erl_message.c +++ b/erts/emulator/beam/erl_message.c @@ -492,7 +492,6 @@ queue_messages(Process* receiver, erts_proc_notify_new_message(receiver, receiver_locks); #else erts_proc_notify_new_message(receiver, 0); - ERTS_HOLE_CHECK(receiver); #endif return res; } @@ -601,7 +600,9 @@ erts_try_alloc_message_on_heap(Process *pp, ASSERT(!(*psp & ERTS_PSFLG_OFF_HEAP_MSGQ)); - if ( + if ((*psp) & ERTS_PSFLGS_VOLATILE_HEAP) + goto in_message_fragment; + else if ( #if defined(ERTS_SMP) *plp & ERTS_PROC_LOCK_MAIN #else @@ -611,7 +612,7 @@ erts_try_alloc_message_on_heap(Process *pp, #ifdef ERTS_SMP try_on_heap: #endif - if ((*psp & (ERTS_PSFLG_EXITING|ERTS_PSFLG_PENDING_EXIT)) + if (((*psp) & ERTS_PSFLGS_VOLATILE_HEAP) || (pp->flags & F_DISABLE_GC) || HEAP_LIMIT(pp) - HEAP_TOP(pp) <= sz) { /* diff --git a/erts/emulator/beam/erl_message.h b/erts/emulator/beam/erl_message.h index 851ac37fda..4493df1c1a 100644 --- a/erts/emulator/beam/erl_message.h +++ b/erts/emulator/beam/erl_message.h @@ -112,8 +112,8 @@ typedef struct erl_heap_fragment ErlHeapFragment; struct erl_heap_fragment { ErlHeapFragment* next; /* Next heap fragment */ ErlOffHeap off_heap; /* Offset heap data. */ - unsigned alloc_size; /* Size in (half)words of mem */ - unsigned used_size; /* With terms to be moved to heap by GC */ + Uint alloc_size; /* Size in (half)words of mem */ + Uint used_size; /* With terms to be moved to heap by GC */ Eterm mem[1]; /* Data */ }; diff --git a/erts/emulator/beam/erl_msacc.c b/erts/emulator/beam/erl_msacc.c index 0e625f213b..544bc8b983 100644 --- a/erts/emulator/beam/erl_msacc.c +++ b/erts/emulator/beam/erl_msacc.c @@ -338,7 +338,7 @@ erts_msacc_request(Process *c_p, int action, Eterm *threads) { #ifdef ERTS_ENABLE_MSACC ErtsMsAcc *msacc = ERTS_MSACC_TSD_GET(); - ErtsSchedulerData *esdp = ERTS_PROC_GET_SCHDATA(c_p); + ErtsSchedulerData *esdp = erts_proc_sched_data(c_p); Eterm ref; ErtsMSAccReq *msaccrp; Eterm *hp; diff --git a/erts/emulator/beam/erl_nif.c b/erts/emulator/beam/erl_nif.c index a695a028ba..606b73c7b5 100644 --- a/erts/emulator/beam/erl_nif.c +++ b/erts/emulator/beam/erl_nif.c @@ -20,6 +20,23 @@ /* Erlang Native InterFace */ +/* + * Environment contains a pointer to currently executing process. + * In the dirty case this pointer do however not point to the + * actual process structure of the executing process, but instead + * a "shadow process structure". This in order to be able to handle + * heap allocation without the need to acquire the main lock on + * the process. + * + * The dirty process is allowed to allocate on the heap without + * the main lock, i.e., incrementing htop, but is not allowed to + * modify mbuf, offheap, etc without the main lock. The dirty + * process moves mbuf list and offheap list of the shadow process + * structure into the real structure when the dirty nif call + * completes. + */ + + #ifdef HAVE_CONFIG_H # include "config.h" #endif @@ -79,9 +96,46 @@ void dtrace_nifenv_str(ErlNifEnv *, char *); #endif #define MIN_HEAP_FRAG_SZ 200 -static Eterm* alloc_heap_heavy(ErlNifEnv* env, unsigned need, Eterm* hp); +static Eterm* alloc_heap_heavy(ErlNifEnv* env, size_t need, Eterm* hp); + +static ERTS_INLINE int +is_scheduler(void) +{ + ErtsSchedulerData *esdp = erts_get_scheduler_data(); + if (!esdp) + return 0; + if (ERTS_SCHEDULER_IS_DIRTY(esdp)) + return -1; + return 1; +} + +static ERTS_INLINE void +execution_state(ErlNifEnv *env, Process **c_pp, int *schedp) +{ + if (schedp) + *schedp = is_scheduler(); + if (c_pp) { + if (!env || env->proc->common.id == ERTS_INVALID_PID) + *c_pp = NULL; + else { + Process *c_p = env->proc; + + if (!(c_p->static_flags & ERTS_STC_FLG_SHADOW_PROC)) + ASSERT(is_scheduler() > 0); + else { + c_p = env->proc->next; + ASSERT(is_scheduler() < 0); + ASSERT(c_p && env->proc->common.id == c_p->common.id); + } + + *c_pp = c_p; -static ERTS_INLINE Eterm* alloc_heap(ErlNifEnv* env, unsigned need) + ASSERT(!(c_p->static_flags & ERTS_STC_FLG_SHADOW_PROC)); + } + } +} + +static ERTS_INLINE Eterm* alloc_heap(ErlNifEnv* env, size_t need) { Eterm* hp = env->hp; env->hp += need; @@ -91,7 +145,7 @@ static ERTS_INLINE Eterm* alloc_heap(ErlNifEnv* env, unsigned need) return alloc_heap_heavy(env, need, hp); } -static Eterm* alloc_heap_heavy(ErlNifEnv* env, unsigned need, Eterm* hp) +static Eterm* alloc_heap_heavy(ErlNifEnv* env, size_t need, Eterm* hp) { env->hp = hp; if (env->heap_frag == NULL) { @@ -112,7 +166,7 @@ static Eterm* alloc_heap_heavy(ErlNifEnv* env, unsigned need, Eterm* hp) } #if SIZEOF_LONG != ERTS_SIZEOF_ETERM -static ERTS_INLINE void ensure_heap(ErlNifEnv* env, unsigned may_need) +static ERTS_INLINE void ensure_heap(ErlNifEnv* env, size_t may_need) { if (env->hp + may_need > env->hp_end) { alloc_heap_heavy(env, may_need, env->hp); @@ -124,6 +178,9 @@ static ERTS_INLINE void ensure_heap(ErlNifEnv* env, unsigned may_need) void erts_pre_nif(ErlNifEnv* env, Process* p, struct erl_module_nif* mod_nif, Process* tracee) { +#ifdef ERTS_DIRTY_SCHEDULERS + ErtsSchedulerData *esdp; +#endif env->mod_nif = mod_nif; env->proc = p; env->hp = HEAP_TOP(p); @@ -133,6 +190,61 @@ void erts_pre_nif(ErlNifEnv* env, Process* p, struct erl_module_nif* mod_nif, env->tmp_obj_list = NULL; env->exception_thrown = 0; env->tracee = tracee; + + ASSERT(p->common.id != ERTS_INVALID_PID); + +#ifdef ERTS_DIRTY_SCHEDULERS + esdp = erts_get_scheduler_data(); + ASSERT(esdp); + + if (!ERTS_SCHEDULER_IS_DIRTY(esdp)) { +#ifdef DEBUG + erts_aint32_t state = erts_smp_atomic32_read_nob(&p->state); + + ASSERT(p->scheduler_data == esdp); + ASSERT((state & (ERTS_PSFLG_RUNNING + | ERTS_PSFLG_RUNNING_SYS)) + && !(state & (ERTS_PSFLG_DIRTY_RUNNING + | ERTS_PSFLG_DIRTY_RUNNING_SYS))); +#endif + + } + else { + Process *sproc; +#ifdef DEBUG + erts_aint32_t state = erts_smp_atomic32_read_nob(&p->state); + + ASSERT(!p->scheduler_data); + ASSERT((state & ERTS_PSFLG_DIRTY_RUNNING) + && !(state & (ERTS_PSFLG_RUNNING|ERTS_PSFLG_RUNNING_SYS))); +#endif + + sproc = esdp->dirty_shadow_process; + ASSERT(sproc); + ASSERT(sproc->static_flags & ERTS_STC_FLG_SHADOW_PROC); + ASSERT(erts_smp_atomic32_read_nob(&sproc->state) + == (ERTS_PSFLG_ACTIVE + | ERTS_PSFLG_DIRTY_RUNNING + | ERTS_PSFLG_PROXY)); + + sproc->next = p; + sproc->common.id = p->common.id; + sproc->htop = p->htop; + sproc->stop = p->stop; + sproc->hend = p->hend; + sproc->heap = p->heap; + sproc->abandoned_heap = p->abandoned_heap; + sproc->heap_sz = p->heap_sz; + sproc->high_water = p->high_water; + sproc->old_hend = p->old_hend; + sproc->old_htop = p->old_htop; + sproc->old_heap = p->old_heap; + sproc->mbuf = NULL; + sproc->mbuf_sz = 0; + ERTS_INIT_OFF_HEAP(&sproc->off_heap); + env->proc = sproc; + } +#endif } /* Temporary object header, auto-deallocated when NIF returns @@ -157,18 +269,75 @@ static ERTS_INLINE void free_tmp_objs(ErlNifEnv* env) void erts_post_nif(ErlNifEnv* env) { erts_unblock_fpe(env->fpe_was_unmasked); - if (env->heap_frag == NULL) { - ASSERT(env->hp_end == HEAP_LIMIT(env->proc)); - ASSERT(env->hp >= HEAP_TOP(env->proc)); - ASSERT(env->hp <= HEAP_LIMIT(env->proc)); - HEAP_TOP(env->proc) = env->hp; + +#ifdef ERTS_DIRTY_SCHEDULERS + if (!(env->proc->static_flags & ERTS_STC_FLG_SHADOW_PROC)) +#endif + { + ASSERT(is_scheduler() > 0); + if (env->heap_frag == NULL) { + ASSERT(env->hp_end == HEAP_LIMIT(env->proc)); + ASSERT(env->hp >= HEAP_TOP(env->proc)); + ASSERT(env->hp <= HEAP_LIMIT(env->proc)); + HEAP_TOP(env->proc) = env->hp; + } + else { + ASSERT(env->hp_end != HEAP_LIMIT(env->proc)); + ASSERT(env->hp_end - env->hp <= env->heap_frag->alloc_size); + env->heap_frag->used_size = env->hp - env->heap_frag->mem; + ASSERT(env->heap_frag->used_size <= env->heap_frag->alloc_size); + } + env->exiting = ERTS_PROC_IS_EXITING(env->proc); } - else { - ASSERT(env->hp_end != HEAP_LIMIT(env->proc)); - ASSERT(env->hp_end - env->hp <= env->heap_frag->alloc_size); - env->heap_frag->used_size = env->hp - env->heap_frag->mem; - ASSERT(env->heap_frag->used_size <= env->heap_frag->alloc_size); +#ifdef ERTS_DIRTY_SCHEDULERS + else { /* Dirty nif call using shadow process struct */ + Process *c_p = env->proc->next; + + ASSERT(is_scheduler() < 0); + ASSERT(env->proc->common.id == c_p->common.id); + + if (!env->heap_frag) { + ASSERT(env->hp_end == HEAP_LIMIT(c_p)); + ASSERT(env->hp >= HEAP_TOP(c_p)); + ASSERT(env->hp <= HEAP_LIMIT(c_p)); + HEAP_TOP(c_p) = env->hp; + } + else { + ASSERT(env->hp_end != HEAP_LIMIT(c_p)); + ASSERT(env->hp_end - env->hp <= env->heap_frag->alloc_size); + + HEAP_TOP(c_p) = HEAP_TOP(env->proc); + env->heap_frag->used_size = env->hp - env->heap_frag->mem; + + ASSERT(env->heap_frag->used_size <= env->heap_frag->alloc_size); + + if (c_p->mbuf) { + ErlHeapFragment *bp; + for (bp = env->proc->mbuf; bp->next; bp = bp->next) + ; + bp->next = c_p->mbuf; + } + + c_p->mbuf = env->proc->mbuf; + c_p->mbuf_sz += env->proc->mbuf_sz; + + } + + if (!c_p->off_heap.first) + c_p->off_heap.first = env->proc->off_heap.first; + else if (env->proc->off_heap.first) { + struct erl_off_heap_header *ohhp; + for (ohhp = env->proc->off_heap.first; ohhp->next; ohhp = ohhp->next) + ; + ohhp->next = c_p->off_heap.first; + c_p->off_heap.first = env->proc->off_heap.first; + } + c_p->off_heap.overhead += env->proc->off_heap.overhead; + + env->exiting = ERTS_PROC_IS_EXITING(c_p); + BUMP_ALL_REDS(c_p); } +#endif free_tmp_objs(env); } @@ -400,9 +569,8 @@ error: #endif -int -enif_send(ErlNifEnv* env, const ErlNifPid* to_pid, - ErlNifEnv* msg_env, ERL_NIF_TERM msg) +int enif_send(ErlNifEnv* env, const ErlNifPid* to_pid, + ErlNifEnv* msg_env, ERL_NIF_TERM msg) { struct enif_msg_environment_t* menv = (struct enif_msg_environment_t*)msg_env; ErtsProcLocks rp_locks = 0; @@ -413,34 +581,32 @@ enif_send(ErlNifEnv* env, const ErlNifPid* to_pid, Process* c_p; ErtsMessage *mp; Eterm receiver = to_pid->pid; - int flush_me = 0; - ErtsSchedulerData *esdp = erts_get_scheduler_data(); - int scheduler = esdp ? esdp->no : 0; + int scheduler; - if (env != NULL) { - c_p = env->proc; - if (receiver == c_p->common.id) { + execution_state(env, &c_p, &scheduler); + +#ifndef ERTS_SMP + if (!scheduler) { + erts_exit(ERTS_ABORT_EXIT, + "enif_send: called from non-scheduler thread on non-SMP VM"); + return 0; + } +#endif + + if (scheduler > 0) { /* Normal scheduler */ + rp = erts_proc_lookup(receiver); + if (c_p == rp) rp_locks = ERTS_PROC_LOCK_MAIN; - flush_me = 1; - } } else { -#ifdef ERTS_SMP - c_p = NULL; -#else - erts_exit(ERTS_ABORT_EXIT,"enif_send: env==NULL on non-SMP VM"); -#endif + if (c_p && ERTS_PROC_IS_EXITING(c_p)) + return 0; + rp = erts_pid2proc_opt(c_p, 0, receiver, rp_locks, + ERTS_P2P_FLG_INC_REFC); } - - rp = (scheduler - ? erts_proc_lookup(receiver) - : erts_pid2proc_opt(c_p, ERTS_PROC_LOCK_MAIN, - receiver, rp_locks, ERTS_P2P_FLG_INC_REFC)); - - if (rp == NULL) { - ASSERT(env == NULL || receiver != c_p->common.id); + if (rp == NULL) return 0; - } + if (menv) { flush_env(msg_env); mp = erts_alloc_message(0, NULL); @@ -465,10 +631,6 @@ enif_send(ErlNifEnv* env, const ErlNifPid* to_pid, ERL_MESSAGE_TERM(mp) = msg; - if (flush_me) { - flush_env(env); /* Needed for ERTS_HOLE_CHECK */ - } - if (!env || !env->tracee) { if (c_p && IS_TRACED_FL(c_p, F_TRACE_SEND)) @@ -505,6 +667,9 @@ enif_send(ErlNifEnv* env, const ErlNifPid* to_pid, erts_smp_proc_trylock(rp, ERTS_PROC_LOCK_MSGQ) == EBUSY) { if (!msgq) { +#ifdef ERTS_SMP + ErtsThrPrgrDelayHandle dhndl; +#endif msgq = erts_alloc(ERTS_ALC_T_TRACE_MSG_QUEUE, sizeof(ErlTraceMessageQueue)); @@ -519,8 +684,15 @@ enif_send(ErlNifEnv* env, const ErlNifPid* to_pid, erts_smp_proc_unlock(t_p, ERTS_PROC_LOCK_TRACE); +#ifdef ERTS_SMP + if (!scheduler) + dhndl = erts_thr_progress_unmanaged_delay(); +#endif erts_schedule_flush_trace_messages(t_p->common.id); - +#ifdef ERTS_SMP + if (!scheduler) + erts_thr_progress_unmanaged_continue(dhndl); +#endif } else { msgq->len++; *msgq->last = mp; @@ -546,11 +718,9 @@ done: if (rp_locks & ~lc_locks) erts_smp_proc_unlock(rp, rp_locks & ~lc_locks); #endif - if (!scheduler) + if (scheduler <= 0) erts_proc_dec_refc(rp); - if (flush_me) { - cache_env(env); - } + return 1; } @@ -558,26 +728,52 @@ int enif_port_command(ErlNifEnv *env, const ErlNifPort* to_port, ErlNifEnv *msg_env, ERL_NIF_TERM msg) { - - ErtsSchedulerData *esdp = erts_get_scheduler_data(); - int scheduler = esdp ? esdp->no : 0; + int iflags = (erts_port_synchronous_ops + ? ERTS_PORT_SFLGS_INVALID_DRIVER_LOOKUP + : ERTS_PORT_SFLGS_INVALID_LOOKUP); + int scheduler; + Process *c_p; Port *prt; + int res; - if (scheduler == 0 || !env) - return 0; + if (!env) + erts_exit(ERTS_ABORT_EXIT, "enif_port_command: env == NULL"); - prt = erts_port_lookup(to_port->port_id, - (erts_port_synchronous_ops - ? ERTS_PORT_SFLGS_INVALID_DRIVER_LOOKUP - : ERTS_PORT_SFLGS_INVALID_LOOKUP)); + execution_state(env, &c_p, &scheduler); + + if (!c_p) + c_p = env->proc; + + if (scheduler > 0) + prt = erts_port_lookup(to_port->port_id, iflags); +#ifdef ERTS_DIRTY_SCHEDULERS + else if (scheduler < 0) { + if (ERTS_PROC_IS_EXITING(c_p)) + return 0; + prt = erts_thr_port_lookup(to_port->port_id, iflags); + } +#endif + else { + erts_exit(ERTS_ABORT_EXIT, "enif_port_command: " + "called from non-scheduler thread"); + } if (!prt) - return 0; + res = 0; + else { - if (IS_TRACED_FL(prt, F_TRACE_RECEIVE)) - trace_port_receive(prt, env->proc->common.id, am_command, msg); + if (IS_TRACED_FL(prt, F_TRACE_RECEIVE)) + trace_port_receive(prt, c_p->common.id, am_command, msg); - return erts_port_output_async(prt, env->proc->common.id, msg); + res = erts_port_output_async(prt, c_p->common.id, msg); + } + +#ifdef ERTS_DIRTY_SCHEDULERS + if (scheduler < 0) + erts_port_dec_refc(prt); +#endif + + return res; } ERL_NIF_TERM enif_make_copy(ErlNifEnv* dst_env, ERL_NIF_TERM src_term) @@ -1011,7 +1207,7 @@ Eterm enif_make_sub_binary(ErlNifEnv* env, ERL_NIF_TERM bin_term, Eterm orig; Uint offset, bit_offset, bit_size; #ifdef DEBUG - unsigned src_size; + size_t src_size; ASSERT(is_binary(bin_term)); src_size = binary_size(bin_term); @@ -1039,15 +1235,21 @@ Eterm enif_make_badarg(ErlNifEnv* env) Eterm enif_raise_exception(ErlNifEnv* env, ERL_NIF_TERM reason) { + Process *c_p; + + execution_state(env, &c_p, NULL); + env->exception_thrown = 1; - env->proc->fvalue = reason; - BIF_ERROR(env->proc, EXC_ERROR); + c_p->fvalue = reason; + BIF_ERROR(c_p, EXC_ERROR); } int enif_has_pending_exception(ErlNifEnv* env, ERL_NIF_TERM* reason) { if (env->exception_thrown && reason != NULL) { - *reason = env->proc->fvalue; + Process *c_p; + execution_state(env, &c_p, NULL); + *reason = c_p->fvalue; } return env->exception_thrown; } @@ -1441,56 +1643,73 @@ int enif_make_reverse_list(ErlNifEnv* env, ERL_NIF_TERM term, ERL_NIF_TERM *list return 1; } +int enif_is_current_process_alive(ErlNifEnv* env) +{ + Process *c_p; + int scheduler; + + execution_state(env, &c_p, &scheduler); + + if (!c_p) + erts_exit(ERTS_ABORT_EXIT, + "enif_is_current_process_alive: " + "Invalid environment"); + + if (!scheduler) + erts_exit(ERTS_ABORT_EXIT, "enif_is_current_process_alive: " + "called from non-scheduler thread"); + + return !ERTS_PROC_IS_EXITING(c_p); +} + int enif_is_process_alive(ErlNifEnv* env, ErlNifPid *proc) { - ErtsProcLocks rp_locks = 0; /* We don't need any locks, - just to check if it is alive */ - Eterm target = proc->pid; - Process* rp; - Process* c_p; - int scheduler = erts_get_scheduler_id() != 0; + int scheduler; - if (env != NULL) { - c_p = env->proc; - if (target == c_p->common.id) { - /* We are alive! */ - return 1; - } - } + execution_state(env, NULL, &scheduler); + + if (scheduler > 0) + return !!erts_proc_lookup(proc->pid); else { #ifdef ERTS_SMP - c_p = NULL; + Process* rp = erts_pid2proc_opt(NULL, 0, proc->pid, 0, + ERTS_P2P_FLG_INC_REFC); + if (rp) + erts_proc_dec_refc(rp); + return !!rp; #else - erts_exit(ERTS_ABORT_EXIT,"enif_is_process_alive: " - "env==NULL on non-SMP VM"); -#endif - } - - rp = (scheduler - ? erts_proc_lookup(target) - : erts_pid2proc_opt(c_p, ERTS_PROC_LOCK_MAIN, - target, rp_locks, ERTS_P2P_FLG_INC_REFC)); - if (rp == NULL) { - ASSERT(env == NULL || target != c_p->common.id); + erts_exit(ERTS_ABORT_EXIT, "enif_is_process_alive: " + "called from non-scheduler thread " + "in non-smp emulator"); return 0; - } else { - if (!scheduler) - erts_proc_dec_refc(rp); - return 1; +#endif } } int enif_is_port_alive(ErlNifEnv *env, ErlNifPort *port) { - /* only allowed if called from scheduler */ - if (erts_get_scheduler_id() == 0) - erts_exit(ERTS_ABORT_EXIT,"enif_is_port_alive: called from non-scheduler"); + int scheduler; + Uint32 iflags = (erts_port_synchronous_ops + ? ERTS_PORT_SFLGS_INVALID_DRIVER_LOOKUP + : ERTS_PORT_SFLGS_INVALID_LOOKUP); + + execution_state(env, NULL, &scheduler); - return erts_port_lookup( - port->port_id, - (erts_port_synchronous_ops - ? ERTS_PORT_SFLGS_INVALID_DRIVER_LOOKUP - : ERTS_PORT_SFLGS_INVALID_LOOKUP)) != NULL; + if (scheduler > 0) + return !!erts_port_lookup(port->port_id, iflags); + else { +#ifdef ERTS_SMP + Port *prt = erts_thr_port_lookup(port->port_id, iflags); + if (prt) + erts_port_dec_refc(prt); + return !!prt; +#else + erts_exit(ERTS_ABORT_EXIT, "enif_is_port_alive: " + "called from non-scheduler thread " + "in non-smp emulator"); + return 0; +#endif + } } ERL_NIF_TERM @@ -1603,6 +1822,16 @@ int enif_fprintf(void* filep, const char* format, ...) return ret; } +int enif_snprintf(char *buffer, size_t size, const char* format, ...) +{ + int ret; + va_list arglist; + va_start(arglist, format); + ret = erts_vsnprintf(buffer, size, format, arglist); + va_end(arglist); + return ret; +} + /*********************************************************** ** Memory managed (GC'ed) "resource" objects ** ***********************************************************/ @@ -1957,16 +2186,19 @@ void* enif_dlsym(void* handle, const char* symbol, int enif_consume_timeslice(ErlNifEnv* env, int percent) { + Process *proc; Sint reds; + execution_state(env, &proc, NULL); + ASSERT(is_proc_bound(env) && percent >= 1 && percent <= 100); if (percent < 1) percent = 1; else if (percent > 100) percent = 100; reds = ((CONTEXT_REDS+99) / 100) * percent; ASSERT(reds > 0 && reds <= CONTEXT_REDS); - BUMP_REDS(env->proc, reds); - return ERTS_BIF_REDS_LEFT(env->proc) == 0; + BUMP_REDS(proc, reds); + return ERTS_BIF_REDS_LEFT(proc) == 0; } /* @@ -2061,10 +2293,19 @@ static ERL_NIF_TERM init_nif_sched_data(ErlNifEnv* env, NativeFunPtr direct_fp, NativeFunPtr indirect_fp, int need_save, int argc, const ERL_NIF_TERM argv[]) { - Process* proc = env->proc; - Eterm* reg = ERTS_PROC_GET_SCHDATA(proc)->x_reg_array; + Process* proc; + Eterm* reg; NifExport* ep; - int i; + int i, scheduler; + + execution_state(env, &proc, &scheduler); + + ASSERT(scheduler); + + ERTS_SMP_LC_ASSERT(erts_proc_lc_my_proc_locks(proc) + & ERTS_PROC_LOCK_MAIN); + + reg = erts_proc_sched_data(proc)->x_reg_array; ep = (NifExport*) ERTS_PROC_GET_NIF_TRAP_EXPORT(proc); if (!ep) @@ -2076,12 +2317,13 @@ init_nif_sched_data(ErlNifEnv* env, NativeFunPtr direct_fp, NativeFunPtr indirec } if (env->exception_thrown) { ep->exception_thrown = 1; - ep->rootset[0] = env->proc->fvalue; + ep->rootset[0] = proc->fvalue; } else { ep->exception_thrown = 0; ep->rootset[0] = NIL; } - ERTS_VBUMP_ALL_REDS(proc); + if (scheduler > 0) + ERTS_VBUMP_ALL_REDS(proc); for (i = 0; i < argc; i++) { if (need_save) ep->rootset[i+1] = reg[i]; @@ -2113,7 +2355,12 @@ static void restore_nif_mfa(Process* proc, NifExport* ep, int exception) { int i; - Eterm* reg = ERTS_PROC_GET_SCHDATA(proc)->x_reg_array; + Eterm* reg = erts_proc_sched_data(proc)->x_reg_array; + + ERTS_SMP_LC_ASSERT(!(proc->static_flags + & ERTS_STC_FLG_SHADOW_PROC)); + ERTS_SMP_LC_ASSERT(erts_proc_lc_my_proc_locks(proc) + & ERTS_PROC_LOCK_MAIN); proc->current[0] = ep->saved_mfa[0]; proc->current[1] = ep->saved_mfa[1]; @@ -2138,11 +2385,13 @@ restore_nif_mfa(Process* proc, NifExport* ep, int exception) static ERL_NIF_TERM dirty_nif_finalizer(ErlNifEnv* env, int argc, const ERL_NIF_TERM argv[]) { - Process* proc = env->proc; + Process* proc; NifExport* ep; + execution_state(env, &proc, NULL); + ASSERT(argc == 1); - ASSERT(!ERTS_SCHEDULER_IS_DIRTY(env->proc->scheduler_data)); + ASSERT(!ERTS_SCHEDULER_IS_DIRTY(erts_proc_sched_data(proc))); ep = (NifExport*) ERTS_PROC_GET_NIF_TRAP_EXPORT(proc); ASSERT(ep); ASSERT(!ep->exception_thrown); @@ -2157,10 +2406,12 @@ dirty_nif_finalizer(ErlNifEnv* env, int argc, const ERL_NIF_TERM argv[]) static ERL_NIF_TERM dirty_nif_exception(ErlNifEnv* env, int argc, const ERL_NIF_TERM argv[]) { - Process* proc = env->proc; + Process* proc; NifExport* ep; - ASSERT(!ERTS_SCHEDULER_IS_DIRTY(env->proc->scheduler_data)); + execution_state(env, &proc, NULL); + + ASSERT(!ERTS_SCHEDULER_IS_DIRTY(erts_proc_sched_data(proc))); ep = (NifExport*) ERTS_PROC_GET_NIF_TRAP_EXPORT(proc); ASSERT(ep); ASSERT(ep->exception_thrown); @@ -2177,23 +2428,32 @@ dirty_nif_exception(ErlNifEnv* env, int argc, const ERL_NIF_TERM argv[]) static ERL_NIF_TERM execute_dirty_nif(ErlNifEnv* env, int argc, const ERL_NIF_TERM argv[]) { - Process* proc = env->proc; - NativeFunPtr fp = (NativeFunPtr) proc->current[6]; + Process* proc; + NativeFunPtr fp; NifExport* ep; ERL_NIF_TERM result; - ASSERT(ERTS_SCHEDULER_IS_DIRTY(env->proc->scheduler_data)); + execution_state(env, &proc, NULL); + + fp = (NativeFunPtr) proc->current[6]; + + ASSERT(ERTS_SCHEDULER_IS_DIRTY(erts_proc_sched_data(proc))); /* * Set ep->fp to NULL before the native call so we know later whether it scheduled another NIF for execution */ ep = (NifExport*) ERTS_PROC_GET_NIF_TRAP_EXPORT(proc); - ASSERT(ep); + ASSERT(ep && fp); ep->fp = NULL; erts_smp_atomic32_read_band_mb(&proc->state, ~(ERTS_PSFLG_DIRTY_CPU_PROC | ERTS_PSFLG_DIRTY_IO_PROC)); + + erts_smp_proc_unlock(proc, ERTS_PROC_LOCK_MAIN); + result = (*fp)(env, argc, argv); + erts_smp_proc_lock(proc, ERTS_PROC_LOCK_MAIN); + if (erts_refc_dectest(&env->mod_nif->rt_dtor_cnt, 0) == 0 && env->mod_nif->mod == NULL) close_lib(env->mod_nif); /* @@ -2230,29 +2490,49 @@ execute_dirty_nif(ErlNifEnv* env, int argc, const ERL_NIF_TERM argv[]) static ERTS_INLINE ERL_NIF_TERM schedule_dirty_nif(ErlNifEnv* env, int flags, int argc, const ERL_NIF_TERM argv[]) { - erts_aint32_t state, n, a; - Process* proc = env->proc; - NativeFunPtr fp = (NativeFunPtr) proc->current[6]; + ERL_NIF_TERM result; + erts_aint32_t act, dirty_flag; + Process* proc; + NativeFunPtr fp; NifExport* ep; - int need_save; + int need_save, scheduler; + + execution_state(env, &proc, &scheduler); + if (scheduler <= 0) { + ASSERT(scheduler < 0); + erts_smp_proc_lock(proc, ERTS_PROC_LOCK_MAIN); + } + + fp = (NativeFunPtr) proc->current[6]; + + ASSERT(fp); ASSERT(flags==ERL_NIF_DIRTY_JOB_IO_BOUND || flags==ERL_NIF_DIRTY_JOB_CPU_BOUND); - a = erts_smp_atomic32_read_acqb(&proc->state); - while (1) { - n = state = a; + if (flags == ERL_NIF_DIRTY_JOB_CPU_BOUND) + dirty_flag = ERTS_PSFLG_DIRTY_CPU_PROC; + else + dirty_flag = ERTS_PSFLG_DIRTY_IO_PROC; + + act = erts_smp_atomic32_read_bor_nob(&proc->state, dirty_flag); + if (!(act & (ERTS_PSFLG_DIRTY_CPU_PROC|ERTS_PSFLG_DIRTY_IO_PROC))) + erts_refc_inc(&env->mod_nif->rt_dtor_cnt, 1); + else if ((act & (ERTS_PSFLG_DIRTY_CPU_PROC + | ERTS_PSFLG_DIRTY_IO_PROC)) & ~dirty_flag) { + /* clear other flag... */ if (flags == ERL_NIF_DIRTY_JOB_CPU_BOUND) - n |= ERTS_PSFLG_DIRTY_CPU_PROC; + dirty_flag = ERTS_PSFLG_DIRTY_IO_PROC; else - n |= ERTS_PSFLG_DIRTY_IO_PROC; - a = erts_smp_atomic32_cmpxchg_mb(&proc->state, n, state); - if (a == state) - break; + dirty_flag = ERTS_PSFLG_DIRTY_CPU_PROC; + erts_smp_atomic32_read_band_nob(&proc->state, ~dirty_flag); } - erts_refc_inc(&env->mod_nif->rt_dtor_cnt, 1); + ep = (NifExport*) ERTS_PROC_GET_NIF_TRAP_EXPORT(proc); need_save = (ep == NULL || is_non_value(ep->saved_mfa[0])); - return init_nif_sched_data(env, execute_dirty_nif, fp, need_save, argc, argv); + result = init_nif_sched_data(env, execute_dirty_nif, fp, need_save, argc, argv); + if (scheduler <= 0) + erts_smp_proc_unlock(proc, ERTS_PROC_LOCK_MAIN); + return result; } static ERL_NIF_TERM @@ -2277,11 +2557,14 @@ schedule_dirty_cpu_nif(ErlNifEnv* env, int argc, const ERL_NIF_TERM argv[]) static ERL_NIF_TERM execute_nif(ErlNifEnv* env, int argc, const ERL_NIF_TERM argv[]) { - Process* proc = env->proc; - NativeFunPtr fp = (NativeFunPtr) proc->current[6]; + Process* proc; + NativeFunPtr fp; NifExport* ep; ERL_NIF_TERM result; + execution_state(env, &proc, NULL); + fp = (NativeFunPtr) proc->current[6]; + ASSERT(!env->exception_thrown); ep = (NifExport*) ERTS_PROC_GET_NIF_TRAP_EXPORT(proc); ASSERT(ep); @@ -2304,10 +2587,10 @@ enif_schedule_nif(ErlNifEnv* env, const char* fun_name, int flags, ERL_NIF_TERM (*fp)(ErlNifEnv*, int, const ERL_NIF_TERM[]), int argc, const ERL_NIF_TERM argv[]) { - Process* proc = env->proc; + Process* proc; NifExport* ep; ERL_NIF_TERM fun_name_atom, result; - int need_save; + int need_save, scheduler; if (argc > MAX_ARG) return enif_make_badarg(env); @@ -2315,6 +2598,13 @@ enif_schedule_nif(ErlNifEnv* env, const char* fun_name, int flags, if (enif_is_exception(env, fun_name_atom)) return fun_name_atom; + execution_state(env, &proc, &scheduler); + if (scheduler <= 0) { + if (scheduler == 0) + enif_make_badarg(env); + erts_smp_proc_lock(proc, ERTS_PROC_LOCK_MAIN); + } + ep = (NifExport*) ERTS_PROC_GET_NIF_TRAP_EXPORT(proc); need_save = (ep == NULL || is_non_value(ep->saved_mfa[0])); @@ -2326,12 +2616,15 @@ enif_schedule_nif(ErlNifEnv* env, const char* fun_name, int flags, sched_fun = schedule_dirty_io_nif; else if (chkflgs == ERL_NIF_DIRTY_JOB_CPU_BOUND) sched_fun = schedule_dirty_cpu_nif; - else - return enif_make_badarg(env); + else { + result = enif_make_badarg(env); + goto done; + } result = init_nif_sched_data(env, sched_fun, fp, need_save, argc, argv); #else - return enif_make_badarg(env); + result = enif_make_badarg(env); #endif + goto done; } else result = init_nif_sched_data(env, execute_nif, fp, need_save, argc, argv); @@ -2339,18 +2632,28 @@ enif_schedule_nif(ErlNifEnv* env, const char* fun_name, int flags, ep = (NifExport*) ERTS_PROC_GET_NIF_TRAP_EXPORT(proc); ASSERT(ep); ep->exp.code[1] = (BeamInstr) fun_name_atom; + +done: + if (scheduler < 0) + erts_smp_proc_unlock(proc, ERTS_PROC_LOCK_MAIN); + return result; } -#ifdef ERL_NIF_DIRTY_SCHEDULER_SUPPORT - int enif_is_on_dirty_scheduler(ErlNifEnv* env) { - return ERTS_SCHEDULER_IS_DIRTY(env->proc->scheduler_data); -} + int scheduler; + Process *c_p; -#endif /* ERL_NIF_DIRTY_SCHEDULER_SUPPORT */ + execution_state(env, &c_p, &scheduler); + + if (!c_p || !scheduler) + erts_exit(ERTS_ABORT_EXIT, "enif_is_on_dirty_scheduler: " + "Invalid env"); + + return scheduler < 0; +} /* Maps */ @@ -3051,16 +3354,16 @@ BIF_RETTYPE load_nif_2(BIF_ALIST_2) (BeamInstr) BeamOp(op_i_generic_breakpoint)); g->orig_instr = (BeamInstr) BeamOp(op_call_nif); } +#ifdef ERTS_DIRTY_SCHEDULERS if ((entry->major > 2 || (entry->major == 2 && entry->minor >= 7)) && (entry->options & ERL_NIF_DIRTY_NIF_OPTION) && f->flags) { -#ifdef ERL_NIF_DIRTY_SCHEDULER_SUPPORT code_ptr[5+3] = (BeamInstr) f->fptr; code_ptr[5+1] = (f->flags == ERL_NIF_DIRTY_JOB_IO_BOUND) ? (BeamInstr) schedule_dirty_io_nif : (BeamInstr) schedule_dirty_cpu_nif; -#endif } else +#endif code_ptr[5+1] = (BeamInstr) f->fptr; code_ptr[5+2] = (BeamInstr) lib; f = next_func(entry, &incr, f); diff --git a/erts/emulator/beam/erl_nif.h b/erts/emulator/beam/erl_nif.h index 3964f7f679..da7a754757 100644 --- a/erts/emulator/beam/erl_nif.h +++ b/erts/emulator/beam/erl_nif.h @@ -28,7 +28,6 @@ # include "config.h" #endif -#include "erl_native_features_config.h" #include "erl_drv_nif.h" /* Version history: @@ -50,9 +49,10 @@ ** 2.8: 18.0 add enif_has_pending_exception ** 2.9: 18.2 enif_getenv ** 2.10: Time API +** 2.11: 19.0 enif_snprintf */ #define ERL_NIF_MAJOR_VERSION 2 -#define ERL_NIF_MINOR_VERSION 10 +#define ERL_NIF_MINOR_VERSION 11 /* * The emulator will refuse to load a nif-lib with a major version @@ -167,13 +167,11 @@ typedef int ErlNifTSDKey; typedef ErlDrvThreadOpts ErlNifThreadOpts; -#ifdef ERL_NIF_DIRTY_SCHEDULER_SUPPORT typedef enum { - ERL_NIF_DIRTY_JOB_CPU_BOUND = ERL_DRV_DIRTY_JOB_CPU_BOUND, - ERL_NIF_DIRTY_JOB_IO_BOUND = ERL_DRV_DIRTY_JOB_IO_BOUND + ERL_NIF_DIRTY_JOB_CPU_BOUND = ERL_DIRTY_JOB_CPU_BOUND, + ERL_NIF_DIRTY_JOB_IO_BOUND = ERL_DIRTY_JOB_IO_BOUND }ErlNifDirtyTaskFlags; -#endif typedef struct /* All fields all internal and may change */ { @@ -257,11 +255,7 @@ extern TWinDynNifCallbacks WinDynNifCallbacks; # define ERL_NIF_INIT_DECL(MODNAME) ERL_NIF_INIT_EXPORT ErlNifEntry* nif_init(ERL_NIF_INIT_ARGS) #endif -#ifdef ERL_NIF_DIRTY_SCHEDULER_SUPPORT -# define ERL_NIF_ENTRY_OPTIONS ERL_NIF_DIRTY_NIF_OPTION -#else -# define ERL_NIF_ENTRY_OPTIONS 0 -#endif +#define ERL_NIF_ENTRY_OPTIONS ERL_NIF_DIRTY_NIF_OPTION #ifdef __cplusplus } diff --git a/erts/emulator/beam/erl_nif_api_funcs.h b/erts/emulator/beam/erl_nif_api_funcs.h index a5acd86551..b211ab4b16 100644 --- a/erts/emulator/beam/erl_nif_api_funcs.h +++ b/erts/emulator/beam/erl_nif_api_funcs.h @@ -166,26 +166,19 @@ ERL_NIF_API_FUNC_DECL(ErlNifTime, enif_convert_time_unit, (ErlNifTime, ErlNifTim ERL_NIF_API_FUNC_DECL(ERL_NIF_TERM, enif_now_time, (ErlNifEnv *env)); ERL_NIF_API_FUNC_DECL(ERL_NIF_TERM, enif_cpu_time, (ErlNifEnv *env)); ERL_NIF_API_FUNC_DECL(ERL_NIF_TERM, enif_make_unique_integer, (ErlNifEnv *env, ErlNifUniqueInteger properties)); +ERL_NIF_API_FUNC_DECL(int, enif_is_current_process_alive, (ErlNifEnv *env)); ERL_NIF_API_FUNC_DECL(int, enif_is_process_alive, (ErlNifEnv *env, ErlNifPid *pid)); ERL_NIF_API_FUNC_DECL(int, enif_is_port_alive, (ErlNifEnv *env, ErlNifPort *port_id)); ERL_NIF_API_FUNC_DECL(int, enif_get_local_port, (ErlNifEnv* env, ERL_NIF_TERM, ErlNifPort* port_id)); ERL_NIF_API_FUNC_DECL(int, enif_term_to_binary, (ErlNifEnv *env, ERL_NIF_TERM term, ErlNifBinary *bin)); ERL_NIF_API_FUNC_DECL(size_t, enif_binary_to_term, (ErlNifEnv *env, const unsigned char* data, size_t sz, ERL_NIF_TERM *term, unsigned int opts)); ERL_NIF_API_FUNC_DECL(int, enif_port_command, (ErlNifEnv *env, const ErlNifPort* to_port, ErlNifEnv *msg_env, ERL_NIF_TERM msg)); +ERL_NIF_API_FUNC_DECL(int,enif_is_on_dirty_scheduler,(ErlNifEnv*)); +ERL_NIF_API_FUNC_DECL(int,enif_snprintf,(char * buffer, size_t size, const char *format, ...)); /* ** ADD NEW ENTRIES HERE (before this comment) !!! */ - - -/* - * Conditional EXPERIMENTAL stuff always last. - * Must be moved up and made unconditional to support binary backward - * compatibility on Windows. - */ -#ifdef ERL_NIF_DIRTY_SCHEDULER_SUPPORT -ERL_NIF_API_FUNC_DECL(int,enif_is_on_dirty_scheduler,(ErlNifEnv*)); -#endif #endif /* ERL_NIF_API_FUNC_DECL */ /* @@ -330,12 +323,15 @@ ERL_NIF_API_FUNC_DECL(int,enif_is_on_dirty_scheduler,(ErlNifEnv*)); # define enif_now_time ERL_NIF_API_FUNC_MACRO(enif_now_time) # define enif_cpu_time ERL_NIF_API_FUNC_MACRO(enif_cpu_time) # define enif_make_unique_integer ERL_NIF_API_FUNC_MACRO(enif_make_unique_integer) +# define enif_is_current_process_alive ERL_NIF_API_FUNC_MACRO(enif_is_current_process_alive) # define enif_is_process_alive ERL_NIF_API_FUNC_MACRO(enif_is_process_alive) # define enif_is_port_alive ERL_NIF_API_FUNC_MACRO(enif_is_port_alive) # define enif_get_local_port ERL_NIF_API_FUNC_MACRO(enif_get_local_port) # define enif_term_to_binary ERL_NIF_API_FUNC_MACRO(enif_term_to_binary) # define enif_binary_to_term ERL_NIF_API_FUNC_MACRO(enif_binary_to_term) # define enif_port_command ERL_NIF_API_FUNC_MACRO(enif_port_command) +# define enif_is_on_dirty_scheduler ERL_NIF_API_FUNC_MACRO(enif_is_on_dirty_scheduler) +# define enif_snprintf ERL_NIF_API_FUNC_MACRO(enif_snprintf) /* ** ADD NEW ENTRIES HERE (before this comment) @@ -346,9 +342,6 @@ ERL_NIF_API_FUNC_DECL(int,enif_is_on_dirty_scheduler,(ErlNifEnv*)); * Must be moved up and made unconditional to support binary backward * compatibility on Windows. */ -#ifdef ERL_NIF_DIRTY_SCHEDULER_SUPPORT -# define enif_is_on_dirty_scheduler ERL_NIF_API_FUNC_MACRO(enif_is_on_dirty_scheduler) -#endif #endif /* ERL_NIF_API_FUNC_MACRO */ diff --git a/erts/emulator/beam/erl_port.h b/erts/emulator/beam/erl_port.h index c2588e718d..f0075ca2b9 100644 --- a/erts/emulator/beam/erl_port.h +++ b/erts/emulator/beam/erl_port.h @@ -487,6 +487,7 @@ ERTS_GLB_INLINE Port*erts_id2port(Eterm id); ERTS_GLB_INLINE Port *erts_id2port_sflgs(Eterm, Process *, ErtsProcLocks, Uint32); ERTS_GLB_INLINE void erts_port_release(Port *); #ifdef ERTS_SMP +ERTS_GLB_INLINE Port *erts_thr_port_lookup(Eterm id, Uint32 invalid_sflgs); ERTS_GLB_INLINE Port *erts_thr_id2port_sflgs(Eterm id, Uint32 invalid_sflgs); ERTS_GLB_INLINE void erts_thr_port_release(Port *prt); #endif @@ -626,6 +627,44 @@ erts_port_release(Port *prt) } #ifdef ERTS_SMP +/* + * erts_thr_id2port_sflgs() and erts_port_dec_refc(prt) can + * be used by unmanaged threads in the SMP case. + */ +ERTS_GLB_INLINE Port * +erts_thr_port_lookup(Eterm id, Uint32 invalid_sflgs) +{ + Port *prt; + ErtsThrPrgrDelayHandle dhndl; + + if (is_not_internal_port(id)) + return NULL; + + dhndl = erts_thr_progress_unmanaged_delay(); + + prt = (Port *) erts_ptab_pix2intptr_ddrb(&erts_port, + internal_port_index(id)); + + if (!prt || prt->common.id != id) { + erts_thr_progress_unmanaged_continue(dhndl); + return NULL; + } + else { + erts_aint32_t state; + erts_port_inc_refc(prt); + + if (dhndl != ERTS_THR_PRGR_DHANDLE_MANAGED) + erts_thr_progress_unmanaged_continue(dhndl); + + state = erts_atomic32_read_acqb(&prt->state); + if (state & invalid_sflgs) { + erts_port_dec_refc(prt); + return NULL; + } + + return prt; + } +} /* * erts_thr_id2port_sflgs() and erts_thr_port_release() can diff --git a/erts/emulator/beam/erl_process.c b/erts/emulator/beam/erl_process.c index 36b0af0c1a..a853ec585b 100644 --- a/erts/emulator/beam/erl_process.c +++ b/erts/emulator/beam/erl_process.c @@ -409,6 +409,10 @@ ErtsAlignedSchedulerData *erts_aligned_scheduler_data; #ifdef ERTS_DIRTY_SCHEDULERS ErtsAlignedSchedulerData *erts_aligned_dirty_cpu_scheduler_data; ErtsAlignedSchedulerData *erts_aligned_dirty_io_scheduler_data; +typedef union { + Process dsp; + char align[ERTS_ALC_CACHE_LINE_ALIGN_SIZE(sizeof(Process))]; +} ErtsAlignedDirtyShadowProcess; #endif typedef union { @@ -589,6 +593,7 @@ dbg_chk_aux_work_val(erts_aint32_t value) valid |= ERTS_SSI_AUX_WORK_CNCLD_TMRS; valid |= ERTS_SSI_AUX_WORK_CNCLD_TMRS_THR_PRGR; valid |= ERTS_SSI_AUX_WORK_THR_PRGR_LATER_OP; + valid |= ERTS_SSI_AUX_WORK_PENDING_EXITERS; #endif #if HAVE_ERTS_MSEG valid |= ERTS_SSI_AUX_WORK_MSEG_CACHE_CHECK; @@ -611,7 +616,7 @@ dbg_chk_aux_work_val(erts_aint32_t value) #endif #ifdef ERTS_SMP -static void handle_pending_exiters(ErtsProcList *); +static void do_handle_pending_exiters(ErtsProcList *); static void wake_scheduler(ErtsRunQueue *rq); #endif @@ -679,6 +684,8 @@ erts_pre_init_process(void) = "MISC_THR_PRGR"; erts_aux_work_flag_descr[ERTS_SSI_AUX_WORK_MISC_IX] = "MISC"; + erts_aux_work_flag_descr[ERTS_SSI_AUX_WORK_PENDING_EXITERS_IX] + = "PENDING_EXITERS"; erts_aux_work_flag_descr[ERTS_SSI_AUX_WORK_SET_TMO_IX] = "SET_TMO"; erts_aux_work_flag_descr[ERTS_SSI_AUX_WORK_MSEG_CACHE_CHECK_IX] @@ -1156,7 +1163,7 @@ reply_sched_wall_time(void *vswtrp) Eterm erts_sched_wall_time_request(Process *c_p, int set, int enable) { - ErtsSchedulerData *esdp = ERTS_PROC_GET_SCHDATA(c_p); + ErtsSchedulerData *esdp = erts_proc_sched_data(c_p); Eterm ref; ErtsSchedWallTimeReq *swtrp; Eterm *hp; @@ -1234,7 +1241,7 @@ reply_system_check(void *vscrp) Eterm erts_system_check_request(Process *c_p) { - ErtsSchedulerData *esdp = ERTS_PROC_GET_SCHDATA(c_p); + ErtsSchedulerData *esdp = erts_proc_sched_data(c_p); Eterm ref; ErtsSystemCheckReq *scrp; Eterm *hp; @@ -2336,6 +2343,30 @@ handle_mseg_cache_check(ErtsAuxWorkData *awdp, erts_aint32_t aux_work, int waiti #endif +#ifdef ERTS_SMP + +static ERTS_INLINE erts_aint32_t +handle_pending_exiters(ErtsAuxWorkData *awdp, erts_aint32_t aux_work, int waiting) +{ + ErtsProcList *pnd_xtrs; + ErtsRunQueue *rq; + + rq = awdp->esdp->run_queue; + unset_aux_work_flags(awdp->ssi, ERTS_SSI_AUX_WORK_PENDING_EXITERS); + + erts_smp_runq_lock(rq); + pnd_xtrs = rq->procs.pending_exiters; + rq->procs.pending_exiters = NULL; + erts_smp_runq_unlock(rq); + + if (erts_proclist_fetch(&pnd_xtrs, NULL)) + do_handle_pending_exiters(pnd_xtrs); + + return aux_work & ~ERTS_SSI_AUX_WORK_PENDING_EXITERS; +} + +#endif + static ERTS_INLINE erts_aint32_t handle_setup_aux_work_timer(ErtsAuxWorkData *awdp, erts_aint32_t aux_work, int waiting) { @@ -2427,6 +2458,10 @@ handle_aux_work(ErtsAuxWorkData *awdp, erts_aint32_t orig_aux_work, int waiting) HANDLE_AUX_WORK(ERTS_SSI_AUX_WORK_MISC, handle_misc_aux_work); +#ifdef ERTS_SMP + HANDLE_AUX_WORK(ERTS_SSI_AUX_WORK_PENDING_EXITERS, + handle_pending_exiters); +#endif HANDLE_AUX_WORK(ERTS_SSI_AUX_WORK_SET_TMO, handle_setup_aux_work_timer); @@ -3979,6 +4014,33 @@ schedule_bound_processes(ErtsRunQueue *rq, } } +#ifdef ERTS_DIRTY_SCHEDULERS + +static ERTS_INLINE void +clear_proc_dirty_queue_bit(Process *p, ErtsRunQueue *rq, int prio_bit) +{ +#ifdef DEBUG + erts_aint32_t old; +#endif + erts_aint32_t qb = prio_bit; + if (rq == ERTS_DIRTY_CPU_RUNQ) + qb <<= ERTS_PDSFLGS_IN_CPU_PRQ_MASK_OFFSET; + else { + ASSERT(rq == ERTS_DIRTY_IO_RUNQ); + qb <<= ERTS_PDSFLGS_IN_IO_PRQ_MASK_OFFSET; + } +#ifdef DEBUG + old = (int) +#else + (void) +#endif + erts_smp_atomic32_read_band_mb(&p->dirty_state, ~qb); + ASSERT(old & qb); +} + +#endif /* ERTS_DIRTY_SCHEDULERS */ + + static void evacuate_run_queue(ErtsRunQueue *rq, ErtsStuckBoundProcesses *sbpp) @@ -4141,29 +4203,8 @@ evacuate_run_queue(ErtsRunQueue *rq, } #ifdef ERTS_DIRTY_SCHEDULERS - - if (ERTS_RUNQ_IX_IS_DIRTY(rq->ix)) { - erts_aint32_t dqbit = qbit; -#ifdef DEBUG - erts_aint32_t old_dqbit; -#endif - - if (rq == ERTS_DIRTY_CPU_RUNQ) - dqbit <<= ERTS_PDSFLGS_IN_CPU_PRQ_MASK_OFFSET; - else { - ASSERT(rq == ERTS_DIRTY_IO_RUNQ); - dqbit <<= ERTS_PDSFLGS_IN_IO_PRQ_MASK_OFFSET; - } - -#ifdef DEBUG - old_dqbit = (int) -#else - (void) -#endif - erts_smp_atomic32_read_band_mb(&real_proc->dirty_state, - ~dqbit); - ASSERT(old_dqbit & dqbit); - } + if (ERTS_RUNQ_IX_IS_DIRTY(rq->ix)) + clear_proc_dirty_queue_bit(real_proc, rq, qbit); #endif if (ERTS_PSFLG_BOUND & real_state) { @@ -5653,7 +5694,8 @@ static void init_scheduler_data(ErtsSchedulerData* esdp, int num, ErtsSchedulerSleepInfo* ssi, ErtsRunQueue* runq, - char** daww_ptr, size_t daww_sz) + char** daww_ptr, size_t daww_sz, + Process *shadow_proc) { esdp->timer_wheel = NULL; #ifdef ERTS_SMP @@ -5677,6 +5719,15 @@ init_scheduler_data(ErtsSchedulerData* esdp, int num, esdp->no = (Uint) num; ERTS_DIRTY_SCHEDULER_NO(esdp) = 0; } + esdp->dirty_shadow_process = shadow_proc; + if (shadow_proc) { + erts_init_empty_process(shadow_proc); + erts_smp_atomic32_init_nob(&shadow_proc->state, + (ERTS_PSFLG_ACTIVE + | ERTS_PSFLG_DIRTY_RUNNING + | ERTS_PSFLG_PROXY)); + shadow_proc->static_flags = ERTS_STC_FLG_SHADOW_PROC; + } #else esdp->no = (Uint) num; #endif @@ -5928,31 +5979,41 @@ erts_init_scheduling(int no_schedulers, int no_schedulers_online for (ix = 0; ix < n; ix++) { ErtsSchedulerData *esdp = ERTS_SCHEDULER_IX(ix); init_scheduler_data(esdp, ix+1, ERTS_SCHED_SLEEP_INFO_IX(ix), - ERTS_RUNQ_IX(ix), &daww_ptr, daww_sz); + ERTS_RUNQ_IX(ix), &daww_ptr, daww_sz, + NULL); } #ifdef ERTS_DIRTY_SCHEDULERS -#ifdef ERTS_SMP - erts_aligned_dirty_cpu_scheduler_data = - erts_alloc_permanent_cache_aligned( - ERTS_ALC_T_SCHDLR_DATA, - no_dirty_cpu_schedulers*sizeof(ErtsAlignedSchedulerData)); - for (ix = 0; ix < no_dirty_cpu_schedulers; ix++) { - ErtsSchedulerData *esdp = ERTS_DIRTY_CPU_SCHEDULER_IX(ix); - init_scheduler_data(esdp, ix+1, ERTS_DIRTY_CPU_SCHED_SLEEP_INFO_IX(ix), - ERTS_DIRTY_CPU_RUNQ, NULL, 0); - } - erts_aligned_dirty_io_scheduler_data = - erts_alloc_permanent_cache_aligned( - ERTS_ALC_T_SCHDLR_DATA, - no_dirty_io_schedulers*sizeof(ErtsAlignedSchedulerData)); - for (ix = 0; ix < no_dirty_io_schedulers; ix++) { - ErtsSchedulerData *esdp = ERTS_DIRTY_IO_SCHEDULER_IX(ix); - init_scheduler_data(esdp, ix+1, ERTS_DIRTY_IO_SCHED_SLEEP_INFO_IX(ix), - ERTS_DIRTY_IO_RUNQ, NULL, 0); + { + int dirty_scheds = no_dirty_cpu_schedulers + no_dirty_io_schedulers; + int adspix = 0; + ErtsAlignedDirtyShadowProcess *adsp = + erts_alloc_permanent_cache_aligned( + ERTS_ALC_T_SCHDLR_DATA, + dirty_scheds * sizeof(ErtsAlignedDirtyShadowProcess)); + + erts_aligned_dirty_cpu_scheduler_data = + erts_alloc_permanent_cache_aligned( + ERTS_ALC_T_SCHDLR_DATA, + dirty_scheds * sizeof(ErtsAlignedSchedulerData)); + + erts_aligned_dirty_io_scheduler_data = + &erts_aligned_dirty_cpu_scheduler_data[no_dirty_cpu_schedulers]; + + for (ix = 0; ix < no_dirty_cpu_schedulers; ix++) { + ErtsSchedulerData *esdp = ERTS_DIRTY_CPU_SCHEDULER_IX(ix); + init_scheduler_data(esdp, ix+1, ERTS_DIRTY_CPU_SCHED_SLEEP_INFO_IX(ix), + ERTS_DIRTY_CPU_RUNQ, NULL, 0, + &adsp[adspix++].dsp); + } + for (ix = 0; ix < no_dirty_io_schedulers; ix++) { + ErtsSchedulerData *esdp = ERTS_DIRTY_IO_SCHEDULER_IX(ix); + init_scheduler_data(esdp, ix+1, ERTS_DIRTY_IO_SCHED_SLEEP_INFO_IX(ix), + ERTS_DIRTY_IO_RUNQ, NULL, 0, + &adsp[adspix++].dsp); + } } #endif -#endif init_misc_aux_work(); init_swtreq_alloc(); @@ -6167,7 +6228,7 @@ check_dirty_enqueue_in_prio_queue(Process *c_p, erts_aint32_t dact, max_qbit; /* Termination should be done on an ordinary scheduler */ - if (actual & ERTS_PSFLG_EXITING) { + if ((*newp) & ERTS_PSFLG_EXITING) { *newp &= ~ERTS_PSFLGS_DIRTY_WORK; return ERTS_ENQUEUE_NORMAL_QUEUE; } @@ -6176,7 +6237,7 @@ check_dirty_enqueue_in_prio_queue(Process *c_p, * If we have system tasks, we enqueue on ordinary run-queue * and take care of those system tasks first. */ - if (actual & ERTS_PSFLG_ACTIVE_SYS) + if ((*newp) & ERTS_PSFLG_ACTIVE_SYS) return ERTS_ENQUEUE_NORMAL_QUEUE; dact = erts_smp_atomic32_read_mb(&c_p->dirty_state); @@ -6356,23 +6417,29 @@ select_enqueue_run_queue(int enqueue, int enq_prio, Process *p, erts_aint32_t st * schedule_out_process() return with c_rq locked. */ static ERTS_INLINE int -schedule_out_process(ErtsRunQueue *c_rq, erts_aint32_t state, Process *p, Process *proxy) +schedule_out_process(ErtsRunQueue *c_rq, erts_aint32_t state, Process *p, + Process *proxy, int is_normal_sched) { - erts_aint32_t a, e, n, enq_prio = -1; + erts_aint32_t a, e, n, enq_prio = -1, running_flgs; int enqueue; /* < 0 -> use proxy */ ErtsRunQueue* runq; + if (is_normal_sched) + running_flgs = ERTS_PSFLG_RUNNING|ERTS_PSFLG_RUNNING_SYS; + else + running_flgs = ERTS_PSFLG_DIRTY_RUNNING|ERTS_PSFLG_DIRTY_RUNNING_SYS; + a = state; while (1) { n = e = a; - ASSERT(a & (ERTS_PSFLG_RUNNING|ERTS_PSFLG_RUNNING_SYS)); + ASSERT(a & running_flgs); enqueue = ERTS_ENQUEUE_NOT; - n &= ~(ERTS_PSFLG_RUNNING|ERTS_PSFLG_RUNNING_SYS); - if (a & (ERTS_PSFLG_ACTIVE_SYS|ERTS_PSFLG_DIRTY_ACTIVE_SYS) + n &= ~running_flgs; + if ((a & (ERTS_PSFLG_ACTIVE_SYS|ERTS_PSFLG_DIRTY_ACTIVE_SYS)) || (a & (ERTS_PSFLG_ACTIVE|ERTS_PSFLG_SUSPENDED)) == ERTS_PSFLG_ACTIVE) { enqueue = check_enqueue_in_prio_queue(p, &enq_prio, &n, a); } @@ -6485,8 +6552,9 @@ change_proc_schedule_state(Process *p, ErtsProcLocks locks) { /* - * NOTE: ERTS_PSFLG_RUNNING, ERTS_PSFLG_RUNNING_SYS and - * ERTS_PSFLG_ACTIVE_SYS are not allowed to be + * NOTE: ERTS_PSFLG_RUNNING, ERTS_PSFLG_RUNNING_SYS, + * ERTS_PSFLG_DIRTY_RUNNING, ERTS_PSFLG_DIRTY_RUNNING_SYS + * and ERTS_PSFLG_ACTIVE_SYS are not allowed to be * altered by this function! */ erts_aint32_t a = *statep, n; @@ -6500,9 +6568,13 @@ change_proc_schedule_state(Process *p, ASSERT(!(a & ERTS_PSFLG_PROXY)); ASSERT((clear_state_flags & (ERTS_PSFLG_RUNNING | ERTS_PSFLG_RUNNING_SYS + | ERTS_PSFLG_DIRTY_RUNNING + | ERTS_PSFLG_DIRTY_RUNNING_SYS | ERTS_PSFLG_ACTIVE_SYS)) == 0); ASSERT((set_state_flags & (ERTS_PSFLG_RUNNING | ERTS_PSFLG_RUNNING_SYS + | ERTS_PSFLG_DIRTY_RUNNING + | ERTS_PSFLG_DIRTY_RUNNING_SYS | ERTS_PSFLG_ACTIVE_SYS)) == 0); if (lock_status) @@ -6526,8 +6598,16 @@ change_proc_schedule_state(Process *p, if ((n & (ERTS_PSFLG_SUSPENDED | ERTS_PSFLG_RUNNING | ERTS_PSFLG_RUNNING_SYS + | ERTS_PSFLG_DIRTY_RUNNING + | ERTS_PSFLG_DIRTY_RUNNING_SYS | ERTS_PSFLG_IN_RUNQ - | ERTS_PSFLG_ACTIVE)) == ERTS_PSFLG_ACTIVE) { + | ERTS_PSFLG_ACTIVE)) == ERTS_PSFLG_ACTIVE +#ifdef ERTS_DIRTY_SCHEDULERS + || (n & (ERTS_PSFLG_RUNNING + | ERTS_PSFLG_RUNNING_SYS + | ERTS_PSFLG_EXITING)) == ERTS_PSFLG_EXITING +#endif + ) { /* * Active and seemingly need to be enqueued, but * process may be in a run queue via proxy, need @@ -6551,7 +6631,9 @@ change_proc_schedule_state(Process *p, | ERTS_PSFLG_ACTIVE)) == ERTS_PSFLG_ACTIVE) && (!(a & (ERTS_PSFLG_ACTIVE_SYS | ERTS_PSFLG_RUNNING - | ERTS_PSFLG_RUNNING_SYS) + | ERTS_PSFLG_RUNNING_SYS + | ERTS_PSFLG_DIRTY_RUNNING + | ERTS_PSFLG_DIRTY_RUNNING_SYS) && (!(a & ERTS_PSFLG_ACTIVE) || (a & ERTS_PSFLG_SUSPENDED))))) { /* We activated a prevously inactive process */ @@ -6693,7 +6775,10 @@ schedule_process_sys_task(Process *p, erts_aint32_t prio, ErtsProcSysTask *st) enqueue = ERTS_ENQUEUE_NOT; n |= ERTS_PSFLG_ACTIVE_SYS; - if (!(a & (ERTS_PSFLG_RUNNING|ERTS_PSFLG_RUNNING_SYS))) + if (!(a & (ERTS_PSFLG_RUNNING + | ERTS_PSFLG_RUNNING_SYS + | ERTS_PSFLG_DIRTY_RUNNING + | ERTS_PSFLG_DIRTY_RUNNING_SYS))) enqueue = check_enqueue_in_prio_queue(p, &enq_prio, &n, a); a = erts_smp_atomic32_cmpxchg_mb(&p->state, n, e); if (a == e) @@ -6706,7 +6791,9 @@ schedule_process_sys_task(Process *p, erts_aint32_t prio, ErtsProcSysTask *st) if (!(a & (ERTS_PSFLG_ACTIVE_SYS | ERTS_PSFLG_RUNNING - | ERTS_PSFLG_RUNNING_SYS)) + | ERTS_PSFLG_RUNNING_SYS + | ERTS_PSFLG_DIRTY_RUNNING + | ERTS_PSFLG_DIRTY_RUNNING_SYS)) && (!(a & ERTS_PSFLG_ACTIVE) || (a & ERTS_PSFLG_SUSPENDED))) { /* We activated a prevously inactive process */ profile_runnable_proc(p, am_active); @@ -6746,11 +6833,16 @@ suspend_process(Process *c_p, Process *p) if (c_p == p) { state = erts_smp_atomic32_read_bor_relb(&p->state, ERTS_PSFLG_SUSPENDED); - ASSERT(state & (ERTS_PSFLG_RUNNING|ERTS_PSFLG_RUNNING_SYS)); + ASSERT(state & (ERTS_PSFLG_RUNNING + | ERTS_PSFLG_RUNNING_SYS + | ERTS_PSFLG_DIRTY_RUNNING + | ERTS_PSFLG_DIRTY_RUNNING_SYS)); suspended = (state & ERTS_PSFLG_SUSPENDED) ? -1: 1; } else { - while (!(state & (ERTS_PSFLG_RUNNING|ERTS_PSFLG_EXITING))) { + while (!(state & (ERTS_PSFLG_RUNNING + | ERTS_PSFLG_DIRTY_RUNNING + | ERTS_PSFLG_EXITING))) { erts_aint32_t n, e; n = e = state; @@ -6776,8 +6868,11 @@ suspend_process(Process *c_p, Process *p) if ((state & (ERTS_PSFLG_ACTIVE | ERTS_PSFLG_ACTIVE_SYS + | ERTS_PSFLG_DIRTY_ACTIVE_SYS | ERTS_PSFLG_RUNNING | ERTS_PSFLG_RUNNING_SYS + | ERTS_PSFLG_DIRTY_RUNNING + | ERTS_PSFLG_DIRTY_RUNNING_SYS | ERTS_PSFLG_SUSPENDED)) == ERTS_PSFLG_ACTIVE) { /* We made process inactive */ profile_runnable_proc(p, am_inactive); @@ -7759,8 +7854,10 @@ erts_block_multi_scheduling(Process *p, ErtsProcLocks plocks, int on, int normal plp = proclist_create(p); erts_proclist_store_last(&msbp->blckrs, plp); p->flags |= have_blckd_flg; - ASSERT(schdlr_sspnd.active == ERTS_SCHDLR_SSPND_MAKE_NSCHEDS_VAL(1, 0, 0)); - ASSERT(p->scheduler_data->no == 1); + ASSERT(normal + ? 1 == schdlr_sspnd_get_nscheds(&schdlr_sspnd.active, ERTS_SCHED_NORMAL) + : schdlr_sspnd.active == ERTS_SCHDLR_SSPND_MAKE_NSCHEDS_VAL(1, 0, 0)); + ASSERT(erts_proc_sched_data(p)->no == 1); if (schdlr_sspnd.msb.ongoing) res = ERTS_SCHDLR_SSPND_DONE_MSCHED_BLOCKED; else @@ -7780,7 +7877,7 @@ erts_block_multi_scheduling(Process *p, ErtsProcLocks plocks, int on, int normal if (schdlr_sspnd.active == ERTS_SCHDLR_SSPND_MAKE_NSCHEDS_VAL(1, 0, 0) || (normal && schdlr_sspnd_get_nscheds(&schdlr_sspnd.active, ERTS_SCHED_NORMAL) == 1)) { - ASSERT(p->scheduler_data->no == 1); + ASSERT(erts_proc_sched_data(p)->no == 1); plp = proclist_create(p); erts_proclist_store_last(&msbp->blckrs, plp); if (schdlr_sspnd.msb.ongoing) @@ -7830,7 +7927,7 @@ erts_block_multi_scheduling(Process *p, ErtsProcLocks plocks, int on, int normal else res = ERTS_SCHDLR_SSPND_YIELD_DONE_NMSCHED_BLOCKED; } - ASSERT(p->scheduler_data); + ASSERT(erts_proc_sched_data(p)); } } else if (!msbp->ongoing) { @@ -8420,9 +8517,23 @@ pid2proc_not_running(Process *c_p, ErtsProcLocks c_p_locks, if (!suspend_process(c_p, rp)) { /* Other process running */ - ASSERT(ERTS_PSFLG_RUNNING + ASSERT((ERTS_PSFLG_RUNNING | ERTS_PSFLG_DIRTY_RUNNING) & erts_smp_atomic32_read_nob(&rp->state)); +#ifdef ERTS_DIRTY_SCHEDULERS + if (!suspend + && (erts_smp_atomic32_read_nob(&rp->state) + & ERTS_PSFLG_DIRTY_RUNNING)) { + ErtsProcLocks need_locks = pid_locks & ~ERTS_PROC_LOCK_STATUS; + if (need_locks && erts_smp_proc_trylock(rp, need_locks) == EBUSY) { + erts_smp_proc_unlock(rp, ERTS_PROC_LOCK_STATUS); + rp = erts_pid2proc(c_p, c_p_locks|ERTS_PROC_LOCK_STATUS, + pid, pid_locks|ERTS_PROC_LOCK_STATUS); + } + goto done; + } +#endif + running: /* @@ -8447,7 +8558,7 @@ pid2proc_not_running(Process *c_p, ErtsProcLocks c_p_locks, else { ErtsProcLocks need_locks = pid_locks & ~ERTS_PROC_LOCK_STATUS; if (need_locks && erts_smp_proc_trylock(rp, need_locks) == EBUSY) { - if (ERTS_PSFLG_RUNNING_SYS + if ((ERTS_PSFLG_RUNNING_SYS|ERTS_PSFLG_DIRTY_RUNNING_SYS) & erts_smp_atomic32_read_nob(&rp->state)) { /* Executing system task... */ resume_process(rp, ERTS_PROC_LOCK_STATUS); @@ -8474,7 +8585,7 @@ pid2proc_not_running(Process *c_p, ErtsProcLocks c_p_locks, * from being selected for normal execution regardless * of locks held or not held on it... */ - ASSERT(!(ERTS_PSFLG_RUNNING + ASSERT(!((ERTS_PSFLG_RUNNING|ERTS_PSFLG_DIRTY_RUNNING_SYS) & erts_smp_atomic32_read_nob(&rp->state))); if (!suspend) @@ -9015,28 +9126,43 @@ erts_run_queues_len(Uint *qlen, int atomic_queues_read, int incl_active_sched) } Eterm -erts_process_status(Process *c_p, ErtsProcLocks c_p_locks, - Process *rp, Eterm rpid) +erts_process_state2status(erts_aint32_t state) +{ + if (state & ERTS_PSFLG_FREE) + return am_free; + + if (state & ERTS_PSFLG_EXITING) + return am_exiting; + + if (state & ERTS_PSFLG_GC) + return am_garbage_collecting; + + if (state & ERTS_PSFLG_SUSPENDED) + return am_suspended; + + if (state & (ERTS_PSFLG_RUNNING + | ERTS_PSFLG_RUNNING_SYS + | ERTS_PSFLG_DIRTY_RUNNING + | ERTS_PSFLG_DIRTY_RUNNING_SYS)) + return am_running; + + if (state & (ERTS_PSFLG_ACTIVE + | ERTS_PSFLG_ACTIVE_SYS + | ERTS_PSFLG_DIRTY_ACTIVE_SYS)) + return am_runnable; + + return am_waiting; +} + +Eterm +erts_process_status(Process *rp, Eterm rpid) { Eterm res = am_undefined; Process *p = rp ? rp : erts_proc_lookup_raw(rpid); if (p) { erts_aint32_t state = erts_smp_atomic32_read_acqb(&p->state); - if (state & ERTS_PSFLG_FREE) - res = am_free; - else if (state & ERTS_PSFLG_EXITING) - res = am_exiting; - else if (state & ERTS_PSFLG_GC) - res = am_garbage_collecting; - else if (state & ERTS_PSFLG_SUSPENDED) - res = am_suspended; - else if (state & ERTS_PSFLG_RUNNING) - res = am_running; - else if (state & ERTS_PSFLG_ACTIVE) - res = am_runnable; - else - res = am_waiting; + res = erts_process_state2status(state); } #ifdef ERTS_SMP else { @@ -9251,7 +9377,76 @@ scheduler_gc_proc(Process *c_p, int reds_left) return reds; } +static ERTS_INLINE void +clean_dirty_start(Process *p) +{ +#if defined(ERTS_DIRTY_SCHEDULERS) && !defined(ARCH_64) + void *ptr = ERTS_PROC_SET_DIRTY_CPU_START(p, NULL); + if (ptr) + erts_free(ERTS_ALC_T_DIRTY_START, ptr); +#endif +} +static ERTS_INLINE void +save_dirty_start(ErtsSchedulerData *esdp, Process *c_p) +{ +#ifdef ERTS_DIRTY_SCHEDULERS + if (ERTS_RUNQ_IS_DIRTY_CPU_RUNQ(esdp->run_queue)) { + ErtsMonotonicTime time = erts_get_monotonic_time(esdp); +#ifdef ARCH_64 + ERTS_PROC_SET_DIRTY_CPU_START(c_p, (void *) time); +#else + ErtsMonotonicTime *stimep; + + stimep = (ErtsMonotonicTime *) ERTS_PROC_GET_DIRTY_CPU_START(c_p); + if (!stimep) { + stimep = erts_alloc(ERTS_ALC_T_DIRTY_START, + sizeof(ErtsMonotonicTime)); + ERTS_PROC_SET_DIRTY_CPU_START(c_p, (void *) stimep); + } + *stimep = time; +#endif + } +#endif +} + +static ERTS_INLINE int +get_dirty_reds(ErtsSchedulerData *esdp, Process *c_p) +{ + +#ifndef ERTS_DIRTY_SCHEDULERS + return -1; +#else + ErtsMonotonicTime stime, time; + + if (!ERTS_RUNQ_IS_DIRTY_CPU_RUNQ(esdp->run_queue)) + return 1; + +#ifdef ARCH_64 + stime = (ErtsMonotonicTime) ERTS_PROC_GET_DIRTY_CPU_START(c_p); +#else + { + ErtsMonotonicTime *stimep; + stimep = (ErtsMonotonicTime *) ERTS_PROC_GET_DIRTY_CPU_START(c_p); + ASSERT(stimep); + stime = *stimep; + } +#endif + + time = erts_get_monotonic_time(esdp); + + ASSERT(stime && stime < time); + + time -= stime; + time = ERTS_MONOTONIC_TO_USEC(time); + time *= 2; + + if (time > INT_MAX) + return INT_MAX; + return (int) time; +#endif + +} /* * schedule() is called from BEAM (process_main()) or HiPE @@ -9283,6 +9478,7 @@ Process *schedule(Process *p, int calls) int reds; Uint32 flags; erts_aint32_t state = 0; /* Supress warning... */ + int is_normal_sched; ERTS_MSACC_DECLARE_CACHE(); @@ -9312,25 +9508,44 @@ Process *schedule(Process *p, int calls) */ if (!p) { /* NULL in the very first schedule() call */ esdp = erts_get_scheduler_data(); + is_normal_sched = !ERTS_SCHEDULER_IS_DIRTY(esdp); rq = erts_get_runq_current(esdp); ASSERT(esdp); fcalls = (int) erts_smp_atomic32_read_acqb(&function_calls); actual_reds = reds = 0; erts_smp_runq_lock(rq); } else { - sched_out_proc: - #ifdef ERTS_SMP - ERTS_SMP_CHK_HAVE_ONLY_MAIN_PROC_LOCK(p); +#ifdef ERTS_DIRTY_SCHEDULERS + esdp = p->scheduler_data; + is_normal_sched = esdp != NULL; + if (is_normal_sched) + ASSERT(!ERTS_SCHEDULER_IS_DIRTY(esdp)); + else { + esdp = erts_get_scheduler_data(); + ASSERT(ERTS_SCHEDULER_IS_DIRTY(esdp)); + } +#else esdp = p->scheduler_data; + is_normal_sched = 1; +#endif ASSERT(esdp->current_process == p || esdp->free_process == p); #else esdp = erts_scheduler_data; ASSERT(esdp->current_process == p); + is_normal_sched = 1; #endif - reds = actual_reds = calls - esdp->virtual_reds; + sched_out_proc: + + ERTS_SMP_CHK_HAVE_ONLY_MAIN_PROC_LOCK(p); + + if (is_normal_sched) + reds = actual_reds = calls - esdp->virtual_reds; + else + reds = actual_reds = get_dirty_reds(esdp, p); + ASSERT(actual_reds >= 0); if (reds < ERTS_PROC_MIN_CONTEXT_SWITCH_REDS_COST) reds = ERTS_PROC_MIN_CONTEXT_SWITCH_REDS_COST; @@ -9377,7 +9592,7 @@ Process *schedule(Process *p, int calls) state = erts_smp_atomic32_read_nob(&p->state); #ifdef ERTS_SMP - if (state & ERTS_PSFLG_PENDING_EXIT) + if (is_normal_sched && (state & ERTS_PSFLG_PENDING_EXIT)) erts_handle_pending_exit(p, (ERTS_PROC_LOCK_MAIN | ERTS_PROC_LOCK_STATUS)); if (p->pending_suspenders) @@ -9387,7 +9602,8 @@ Process *schedule(Process *p, int calls) esdp->reductions += reds; - schedule_out_process(rq, state, p, proxy_p); /* Returns with rq locked! */ + /* schedule_out_process() returns with rq locked! */ + schedule_out_process(rq, state, p, proxy_p, is_normal_sched); proxy_p = NULL; ERTS_PROC_REDUCTIONS_EXECUTED(esdp, rq, @@ -9405,13 +9621,20 @@ Process *schedule(Process *p, int calls) ERTS_MSACC_SET_STATE_CACHED_M(ERTS_MSACC_STATE_OTHER); if (state & ERTS_PSFLG_FREE) { + if (!is_normal_sched) { + ASSERT(p->flags & F_DELAYED_DEL_PROC); + erts_proc_dec_refc(p); + } + else { #ifdef ERTS_SMP - ASSERT(esdp->free_process == p); - esdp->free_process = NULL; + ASSERT(esdp->free_process == p); + esdp->free_process = NULL; #else - erts_proc_dec_refc(p); + erts_proc_dec_refc(p); #endif + } } + #ifdef ERTS_SMP ASSERT(!esdp->free_process); #endif @@ -9419,7 +9642,7 @@ Process *schedule(Process *p, int calls) ERTS_SMP_CHK_NO_PROC_LOCKS; - if (!ERTS_SCHEDULER_IS_DIRTY(esdp)) { + if (is_normal_sched) { if (esdp->check_time_reds >= ERTS_CHECK_TIME_REDS) (void) erts_get_monotonic_time(esdp); @@ -9433,23 +9656,15 @@ Process *schedule(Process *p, int calls) } - ERTS_SMP_LC_ASSERT(ERTS_SCHEDULER_IS_DIRTY(esdp) - || !erts_thr_progress_is_blocking()); + ERTS_SMP_LC_ASSERT(!is_normal_sched || !erts_thr_progress_is_blocking()); check_activities_to_run: { + erts_aint32_t psflg_running, psflg_running_sys; #ifdef ERTS_SMP ErtsMigrationPaths *mps; ErtsMigrationPath *mp; - if (!ERTS_SCHEDULER_IS_DIRTY(esdp)) { - ErtsProcList *pnd_xtrs = rq->procs.pending_exiters; - if (erts_proclist_fetch(&pnd_xtrs, NULL)) { - rq->procs.pending_exiters = NULL; - erts_smp_runq_unlock(rq); - handle_pending_exiters(pnd_xtrs); - erts_smp_runq_lock(rq); - } - + if (is_normal_sched) { if (rq->check_balance_reds <= 0) check_balance(rq); @@ -9466,32 +9681,35 @@ Process *schedule(Process *p, int calls) continue_check_activities_to_run: flags = ERTS_RUNQ_FLGS_GET_NOB(rq); continue_check_activities_to_run_known_flags: - ASSERT(ERTS_SCHEDULER_IS_DIRTY(esdp) - || flags & ERTS_RUNQ_FLG_NONEMPTY); + ASSERT(!is_normal_sched || (flags & ERTS_RUNQ_FLG_NONEMPTY)); - if (flags & (ERTS_RUNQ_FLG_CHK_CPU_BIND|ERTS_RUNQ_FLG_SUSPENDED)) { - if (flags & ERTS_RUNQ_FLG_SUSPENDED) { - (void) ERTS_RUNQ_FLGS_UNSET_NOB(rq, ERTS_RUNQ_FLG_EXEC); + if (!is_normal_sched) { + if (erts_smp_atomic32_read_acqb(&esdp->ssi->flags) + & ERTS_SSI_FLG_SUSPENDED) { suspend_scheduler(esdp); - flags = ERTS_RUNQ_FLGS_SET_NOB(rq, ERTS_RUNQ_FLG_EXEC); - flags |= ERTS_RUNQ_FLG_EXEC; - } - if (flags & ERTS_RUNQ_FLG_CHK_CPU_BIND) { - flags = ERTS_RUNQ_FLGS_UNSET(rq, ERTS_RUNQ_FLG_CHK_CPU_BIND); - flags &= ~ ERTS_RUNQ_FLG_CHK_CPU_BIND; - erts_sched_check_cpu_bind(esdp); } } -#ifdef ERTS_DIRTY_SCHEDULERS - else if (ERTS_SCHEDULER_IS_DIRTY(esdp) - && (erts_smp_atomic32_read_acqb(&esdp->ssi->flags) - & ERTS_SSI_FLG_SUSPENDED)) - suspend_scheduler(esdp); -#endif - - if (!ERTS_SCHEDULER_IS_DIRTY(esdp)) { + else { erts_aint32_t aux_work; - int leader_update = erts_thr_progress_update(esdp); + int leader_update; + + ASSERT(is_normal_sched); + + if (flags & (ERTS_RUNQ_FLG_CHK_CPU_BIND|ERTS_RUNQ_FLG_SUSPENDED)) { + if (flags & ERTS_RUNQ_FLG_SUSPENDED) { + (void) ERTS_RUNQ_FLGS_UNSET_NOB(rq, ERTS_RUNQ_FLG_EXEC); + suspend_scheduler(esdp); + flags = ERTS_RUNQ_FLGS_SET_NOB(rq, ERTS_RUNQ_FLG_EXEC); + flags |= ERTS_RUNQ_FLG_EXEC; + } + if (flags & ERTS_RUNQ_FLG_CHK_CPU_BIND) { + flags = ERTS_RUNQ_FLGS_UNSET(rq, ERTS_RUNQ_FLG_CHK_CPU_BIND); + flags &= ~ERTS_RUNQ_FLG_CHK_CPU_BIND; + erts_sched_check_cpu_bind(esdp); + } + } + + leader_update = erts_thr_progress_update(esdp); aux_work = erts_atomic32_read_acqb(&esdp->ssi->aux_work); if (aux_work | leader_update) { erts_smp_runq_unlock(rq); @@ -9517,19 +9735,13 @@ Process *schedule(Process *p, int calls) flags = ERTS_RUNQ_FLGS_GET_NOB(rq); -#ifdef ERTS_DIRTY_SCHEDULERS - if (ERTS_RUNQ_IX_IS_DIRTY(rq->ix) && rq->halt_in_progress) { - /* - * TODO: if halt in progress, need to put the dirty scheduler - * to sleep somewhere around here to prevent it from picking up - * new work - */ + if (!is_normal_sched && rq->halt_in_progress) { + /* Wait for emulator to terminate... */ + while (1) + erts_milli_sleep(1000*1000); } - else -#endif - - if ((!(flags & ERTS_RUNQ_FLGS_QMASK) && !rq->misc.start) - || (rq->halt_in_progress && ERTS_EMPTY_RUNQ_PORTS(rq))) { + else if ((!(flags & ERTS_RUNQ_FLGS_QMASK) && !rq->misc.start) + || (rq->halt_in_progress && ERTS_EMPTY_RUNQ_PORTS(rq))) { /* Prepare for scheduler wait */ #ifdef ERTS_SMP ERTS_SMP_LC_ASSERT(erts_smp_lc_runq_is_locked(rq)); @@ -9543,7 +9755,7 @@ Process *schedule(Process *p, int calls) if (flags & ERTS_RUNQ_FLG_INACTIVE) empty_runq(rq); else { - if (!ERTS_RUNQ_IX_IS_DIRTY(rq->ix) && try_steal_task(rq)) + if (is_normal_sched && try_steal_task(rq)) goto continue_check_activities_to_run; empty_runq(rq); @@ -9572,9 +9784,9 @@ Process *schedule(Process *p, int calls) goto check_activities_to_run; } - else if (!ERTS_SCHEDULER_IS_DIRTY(esdp) && - (fcalls > input_reductions && - prepare_for_sys_schedule(!0))) { + else if (is_normal_sched + && (fcalls > input_reductions + && prepare_for_sys_schedule(!0))) { ErtsMonotonicTime current_time; /* * Schedule system-level activities. @@ -9688,11 +9900,17 @@ Process *schedule(Process *p, int calls) ASSERT(p); /* Wrong qmask in rq->flags? */ - if (ERTS_SCHEDULER_IS_DIRTY(esdp)) - psflg_band_mask = ~((erts_aint32_t) 0); - else + if (is_normal_sched) { + psflg_running = ERTS_PSFLG_RUNNING; + psflg_running_sys = ERTS_PSFLG_RUNNING_SYS; psflg_band_mask = ~(((erts_aint32_t) 1) << (ERTS_PSFLGS_GET_PRQ_PRIO(state) + ERTS_PSFLGS_IN_PRQ_MASK_OFFSET)); + } + else { + psflg_running = ERTS_PSFLG_DIRTY_RUNNING; + psflg_running_sys = ERTS_PSFLG_DIRTY_RUNNING_SYS; + psflg_band_mask = ~((erts_aint32_t) 0); + } if (!(state & ERTS_PSFLG_PROXY)) psflg_band_mask &= ~ERTS_PSFLG_IN_RUNQ; @@ -9707,34 +9925,53 @@ Process *schedule(Process *p, int calls) state = erts_smp_atomic32_read_nob(&p->state); } +#ifdef ERTS_DIRTY_SCHEDULERS + if (!is_normal_sched) + clear_proc_dirty_queue_bit(p, rq, qbit); +#endif + while (1) { - erts_aint32_t exp, new, tmp; - tmp = new = exp = state; + erts_aint32_t exp, new; + int run_process; + new = exp = state; new &= psflg_band_mask; - if (!(state & (ERTS_PSFLG_RUNNING - | ERTS_PSFLG_RUNNING_SYS))) { - tmp = state & (ERTS_PSFLG_SUSPENDED - | ERTS_PSFLG_PENDING_EXIT - | ERTS_PSFLG_ACTIVE_SYS - | ERTS_PSFLG_DIRTY_ACTIVE_SYS); - if (tmp != ERTS_PSFLG_SUSPENDED) { - if (state & (ERTS_PSFLG_ACTIVE_SYS - | ERTS_PSFLG_DIRTY_ACTIVE_SYS)) - new |= ERTS_PSFLG_RUNNING_SYS; - else - new |= ERTS_PSFLG_RUNNING; - } + /* + * Run process if not already running (or free) + * or exiting and not running on a normal + * scheduler, and not suspended (and not in a + * state where suspend should be ignored). + */ + run_process = (((!(state & (ERTS_PSFLG_RUNNING + | ERTS_PSFLG_RUNNING_SYS + | ERTS_PSFLG_DIRTY_RUNNING + | ERTS_PSFLG_DIRTY_RUNNING_SYS + | ERTS_PSFLG_FREE))) +#ifdef ERTS_DIRTY_SCHEDULERS + | (((state & (ERTS_PSFLG_RUNNING + | ERTS_PSFLG_FREE + | ERTS_PSFLG_RUNNING_SYS + | ERTS_PSFLG_EXITING)) + == ERTS_PSFLG_EXITING) + & (!!is_normal_sched)) +#endif + ) + & ((state & (ERTS_PSFLG_SUSPENDED + | ERTS_PSFLG_EXITING + | ERTS_PSFLG_FREE + | ERTS_PSFLG_PENDING_EXIT + | ERTS_PSFLG_ACTIVE_SYS + | ERTS_PSFLG_DIRTY_ACTIVE_SYS)) + != ERTS_PSFLG_SUSPENDED)); + if (run_process) { + if (state & (ERTS_PSFLG_ACTIVE_SYS + | ERTS_PSFLG_DIRTY_ACTIVE_SYS)) + new |= psflg_running_sys; + else + new |= psflg_running; } state = erts_smp_atomic32_cmpxchg_relb(&p->state, new, exp); if (state == exp) { - if ((state & (ERTS_PSFLG_RUNNING - | ERTS_PSFLG_RUNNING_SYS - | ERTS_PSFLG_FREE)) - || ((state & (ERTS_PSFLG_SUSPENDED - | ERTS_PSFLG_PENDING_EXIT - | ERTS_PSFLG_ACTIVE_SYS - | ERTS_PSFLG_DIRTY_ACTIVE_SYS)) - == ERTS_PSFLG_SUSPENDED)) { + if (!run_process) { if (proxy_p) { free_proxy_proc(proxy_p); proxy_p = NULL; @@ -9761,34 +9998,13 @@ Process *schedule(Process *p, int calls) erts_smp_runq_unlock(rq); -#ifdef ERTS_DIRTY_SCHEDULERS - if (ERTS_SCHEDULER_IS_DIRTY(esdp)) { -#ifdef DEBUG - int old_dqbit; -#endif - int dqbit = qbit; - - if (rq == ERTS_DIRTY_CPU_RUNQ) - dqbit <<= ERTS_PDSFLGS_IN_CPU_PRQ_MASK_OFFSET; - else { - ASSERT(rq == ERTS_DIRTY_IO_RUNQ); - dqbit <<= ERTS_PDSFLGS_IN_IO_PRQ_MASK_OFFSET; - } - -#ifdef DEBUG - old_dqbit = (int) -#else - (void) -#endif - erts_smp_atomic32_read_band_mb(&p->dirty_state, ~dqbit); - ASSERT(old_dqbit & dqbit); - } -#endif /* ERTS_DIRTY_SCHEDULERS */ - #endif /* ERTS_SMP */ } + if (!is_normal_sched) + save_dirty_start(esdp, p); + #ifdef ERTS_SMP if (flags & ERTS_RUNQ_FLG_PROTECTED) @@ -9805,9 +10021,7 @@ Process *schedule(Process *p, int calls) UWord old = ERTS_PROC_SCHED_ID(p, (UWord) esdp->no); int migrated = old && old != esdp->no; -#ifdef ERTS_DIRTY_SCHEDULERS - ASSERT(!ERTS_SCHEDULER_IS_DIRTY(esdp)); -#endif + ASSERT(is_normal_sched); prio = (int) ERTS_PSFLGS_GET_USR_PRIO(state); @@ -9821,20 +10035,21 @@ Process *schedule(Process *p, int calls) erts_smp_spin_unlock(&erts_sched_stat.lock); } - ASSERT(!p->scheduler_data); - p->scheduler_data = esdp; - state = erts_smp_atomic32_read_nob(&p->state); -#ifdef ERTS_DIRTY_SCHEDULERS - if (!ERTS_SCHEDULER_IS_DIRTY(esdp)) { - if (!!(state & ERTS_PSFLGS_DIRTY_WORK) - & !(state & ERTS_PSFLG_ACTIVE_SYS)) { + ASSERT(!p->scheduler_data); +#ifndef ERTS_DIRTY_SCHEDULERS + p->scheduler_data = esdp; +#else /* ERTS_DIRTY_SCHEDULERS */ + if (is_normal_sched) { + if ((!!(state & ERTS_PSFLGS_DIRTY_WORK)) + & (!(state & ERTS_PSFLG_ACTIVE_SYS))) { /* Migrate to dirty scheduler... */ sunlock_sched_out_proc: erts_smp_proc_unlock(p, ERTS_PROC_LOCK_STATUS); goto sched_out_proc; } + p->scheduler_data = esdp; } else { if (state & (ERTS_PSFLG_ACTIVE_SYS @@ -9870,7 +10085,10 @@ Process *schedule(Process *p, int calls) erts_smp_proc_unlock(p, ERTS_PROC_LOCK_STATUS); - if (IS_TRACED(p)) { + /* Clear tracer if it has been removed */ + if (IS_TRACED(p) && erts_is_tracer_proc_enabled( + p, ERTS_PROC_LOCK_MAIN, &p->common)) { + if (state & ERTS_PSFLG_EXITING) { if (ARE_TRACE_FLAGS_ON(p, F_TRACE_SCHED_EXIT)) trace_sched(p, ERTS_PROC_LOCK_MAIN, am_in_exiting); @@ -9885,13 +10103,8 @@ Process *schedule(Process *p, int calls) } } - -#ifdef ERTS_SMP - /* Clears tracer if it has been removed */ - (void)ERTS_TRACER_PROC_IS_ENABLED(p); -#endif - - if (state & ERTS_PSFLG_RUNNING_SYS) { + if (state & (ERTS_PSFLG_RUNNING_SYS + | ERTS_PSFLG_DIRTY_RUNNING_SYS)) { /* * GC is normally never delayed when a process * is scheduled out, but might be when executing @@ -9905,7 +10118,7 @@ Process *schedule(Process *p, int calls) reds -= cost; if (reds <= 0 #ifdef ERTS_DIRTY_SCHEDULERS - || ERTS_SCHEDULER_IS_DIRTY(esdp) + || !is_normal_sched || (state & ERTS_PSFLGS_DIRTY_WORK) #endif ) { @@ -9913,8 +10126,8 @@ Process *schedule(Process *p, int calls) } } - ASSERT(state & ERTS_PSFLG_RUNNING_SYS); - ASSERT(!(state & ERTS_PSFLG_RUNNING)); + ASSERT(state & psflg_running_sys); + ASSERT(!(state & psflg_running)); while (1) { erts_aint32_t n, e; @@ -9926,8 +10139,8 @@ Process *schedule(Process *p, int calls) } n = e = state; - n &= ~ERTS_PSFLG_RUNNING_SYS; - n |= ERTS_PSFLG_RUNNING; + n &= ~psflg_running_sys; + n |= psflg_running; state = erts_smp_atomic32_cmpxchg_mb(&p->state, n, e); if (state == e) { @@ -9935,8 +10148,8 @@ Process *schedule(Process *p, int calls) break; } - ASSERT(state & ERTS_PSFLG_RUNNING_SYS); - ASSERT(!(state & ERTS_PSFLG_RUNNING)); + ASSERT(state & psflg_running_sys); + ASSERT(!(state & psflg_running)); } } @@ -10525,7 +10738,10 @@ save_gc_task(Process *c_p, ErtsProcSysTask *st, int prio) } state = erts_smp_atomic32_read_nob(&c_p->state); - ASSERT((ERTS_PSFLG_RUNNING|ERTS_PSFLG_RUNNING_SYS) & state); + ASSERT((ERTS_PSFLG_RUNNING + | ERTS_PSFLG_RUNNING_SYS + | ERTS_PSFLG_DIRTY_RUNNING + | ERTS_PSFLG_DIRTY_RUNNING_SYS) & state); while (!(state & ERTS_PSFLG_DELAYED_SYS) || prio < ERTS_PSFLGS_GET_ACT_PRIO(state)) { @@ -10850,6 +11066,8 @@ erts_get_exact_total_reductions(Process *c_p, Uint *redsp, Uint *diffp) erts_smp_proc_lock(c_p, ERTS_PROC_LOCK_MAIN); } +static void delete_process(Process* p); + void erts_free_proc(Process *p) { @@ -10858,6 +11076,8 @@ erts_free_proc(Process *p) #endif ASSERT(erts_smp_atomic32_read_nob(&p->state) & ERTS_PSFLG_FREE); ASSERT(0 == erts_proc_read_refc(p)); + if (p->flags & F_DELAYED_DEL_PROC) + delete_process(p); erts_free(ERTS_ALC_T_PROC, (void *) p); } @@ -11021,9 +11241,13 @@ erl_create_process(Process* parent, /* Parent of process (default group leader). p->min_heap_size = so->min_heap_size; p->min_vheap_size = so->min_vheap_size; p->max_gen_gcs = so->max_gen_gcs; + MAX_HEAP_SIZE_SET(p, so->max_heap_size); + MAX_HEAP_SIZE_FLAGS_SET(p, so->max_heap_flags); } else { p->min_heap_size = H_MIN_SIZE; p->min_vheap_size = BIN_VH_MIN_SIZE; + MAX_HEAP_SIZE_SET(p, H_MAX_SIZE); + MAX_HEAP_SIZE_FLAGS_SET(p, H_MAX_FLAGS); p->max_gen_gcs = (Uint16) erts_smp_atomic32_read_nob(&erts_max_gen_gcs); } p->schedule_count = 0; @@ -11486,18 +11710,36 @@ erts_cleanup_empty_process(Process* p) #endif } -/* - * p must be the currently executing process. - */ static void delete_process(Process* p) { Eterm *heap; ErtsPSD *psd; + struct saved_calls *scb; + process_breakpoint_time_t *pbt; + void *nif_export; + VERBOSE(DEBUG_PROCESSES, ("Removing process: %T\n",p->common.id)); VERBOSE(DEBUG_SHCOPY, ("[pid=%T] delete process: %p %p %p %p\n", p->common.id, HEAP_START(p), HEAP_END(p), OLD_HEAP(p), OLD_HEND(p))); + scb = ERTS_PROC_SET_SAVED_CALLS_BUF(p, NULL); + + if (scb) { + p->fcalls += CONTEXT_REDS; /* Reduction counting depends on this... */ + erts_free(ERTS_ALC_T_CALLS_BUF, (void *) scb); + } + + pbt = ERTS_PROC_SET_CALL_TIME(p, NULL); + if (pbt) + erts_free(ERTS_ALC_T_BPD, (void *) pbt); + + nif_export = ERTS_PROC_SET_NIF_TRAP_EXPORT(p, NULL); + if (nif_export) + erts_destroy_nif_export(nif_export); + + clean_dirty_start(p); + /* Cleanup psd */ psd = (ErtsPSD *) erts_smp_atomic_read_nob(&p->psd); @@ -11600,7 +11842,8 @@ set_proc_exiting(Process *p, p->i = (BeamInstr *) beam_exit; #ifndef ERTS_SMP - if (state & (ERTS_PSFLG_RUNNING|ERTS_PSFLG_RUNNING_SYS)) { + if (state & (ERTS_PSFLG_RUNNING|ERTS_PSFLG_RUNNING_SYS) + && !(state & ERTS_PSFLG_GC)) { /* * I non smp case: * @@ -11629,7 +11872,10 @@ set_proc_self_exiting(Process *c_p) ERTS_SMP_LC_ASSERT(erts_proc_lc_my_proc_locks(c_p) == ERTS_PROC_LOCKS_ALL); state = erts_smp_atomic32_read_nob(&c_p->state); - ASSERT(state & (ERTS_PSFLG_RUNNING|ERTS_PSFLG_RUNNING_SYS)); + ASSERT(state & (ERTS_PSFLG_RUNNING + |ERTS_PSFLG_RUNNING_SYS + | ERTS_PSFLG_DIRTY_RUNNING + | ERTS_PSFLG_DIRTY_RUNNING_SYS)); #ifdef DEBUG enqueue = @@ -11679,51 +11925,73 @@ erts_handle_pending_exit(Process *c_p, ErtsProcLocks locks) erts_smp_proc_unlock(c_p, xlocks); } +static void save_pending_exiter(Process *p, ErtsProcList *plp); + static void -handle_pending_exiters(ErtsProcList *pnd_xtrs) +do_handle_pending_exiters(ErtsProcList *pnd_xtrs) { /* 'list' is expected to have been fetched (i.e. not a ring anymore) */ ErtsProcList *plp = pnd_xtrs; while (plp) { - ErtsProcList *free_plp; - Process *p = erts_pid2proc(NULL, 0, plp->pid, ERTS_PROC_LOCKS_ALL); + ErtsProcList *next_plp = plp->next; + Process *p = erts_proc_lookup(plp->pid); if (p) { - if (erts_proclist_same(plp, p)) { - erts_aint32_t state = erts_smp_atomic32_read_acqb(&p->state); - if (!(state & (ERTS_PSFLG_RUNNING|ERTS_PSFLG_RUNNING_SYS))) { - ASSERT(state & ERTS_PSFLG_PENDING_EXIT); - erts_handle_pending_exit(p, ERTS_PROC_LOCKS_ALL); + erts_aint32_t state; + /* + * If the process is running on a normal scheduler, the + * pending exit will soon be detected and handled by the + * scheduler running the process (at schedule in/out). + */ + if (erts_smp_proc_trylock(p, ERTS_PROC_LOCKS_ALL) != EBUSY) { + if (erts_proclist_same(plp, p)) { + state = erts_smp_atomic32_read_acqb(&p->state); + if (!(state & (ERTS_PSFLG_RUNNING + | ERTS_PSFLG_RUNNING_SYS + | ERTS_PSFLG_EXITING))) { + ASSERT(state & ERTS_PSFLG_PENDING_EXIT); + erts_handle_pending_exit(p, ERTS_PROC_LOCKS_ALL); + } + } + erts_smp_proc_unlock(p, ERTS_PROC_LOCKS_ALL); + } + else { + erts_smp_proc_lock(p, ERTS_PROC_LOCK_STATUS); + if (erts_proclist_same(plp, p)) { + state = erts_smp_atomic32_read_acqb(&p->state); + if (!(state & (ERTS_PSFLG_RUNNING + | ERTS_PSFLG_RUNNING_SYS + | ERTS_PSFLG_EXITING))) { + /* + * Save process and try to acquire all + * locks at a later time... + */ + save_pending_exiter(p, plp); + plp = NULL; + } } + erts_smp_proc_unlock(p, ERTS_PROC_LOCK_STATUS); } - erts_smp_proc_unlock(p, ERTS_PROC_LOCKS_ALL); } - free_plp = plp; - plp = plp->next; - proclist_destroy(free_plp); + if (plp) + proclist_destroy(plp); + plp = next_plp; } } static void -save_pending_exiter(Process *p) +save_pending_exiter(Process *p, ErtsProcList *plp) { - ErtsProcList *plp; + ErtsSchedulerSleepInfo *ssi; ErtsRunQueue *rq; - ErtsSchedulerData *esdp = erts_get_scheduler_data(); ERTS_SMP_LC_ASSERT(ERTS_PROC_LOCK_STATUS & erts_proc_lc_my_proc_locks(p)); - if (!esdp) - rq = RUNQ_READ_RQ(&p->run_queue); - else - rq = esdp->run_queue; - -#ifdef ERTS_DIRTY_SCHEDULERS - if (ERTS_RUNQ_IX_IS_DIRTY(rq->ix)) - rq = ERTS_RUNQ_IX(0); /* Handle on ordinary scheduler */ -#endif + rq = RUNQ_READ_RQ(&p->run_queue); + ASSERT(rq && !ERTS_RUNQ_IX_IS_DIRTY(rq->ix)); - plp = proclist_create(p); + if (!plp) + plp = proclist_create(p); erts_smp_runq_lock(rq); @@ -11731,9 +11999,11 @@ save_pending_exiter(Process *p) non_empty_runq(rq); + ssi = rq->scheduler->ssi; + erts_smp_runq_unlock(rq); - wake_scheduler(rq); + set_aux_work_flags_wakeup_nob(ssi, ERTS_SSI_AUX_WORK_PENDING_EXITERS); } #endif @@ -11933,7 +12203,7 @@ send_exit_signal(Process *c_p, /* current process if and only if (need_locks && erts_smp_proc_trylock(rp, need_locks) == EBUSY) { /* ... but we havn't got all locks on it ... */ - save_pending_exiter(rp); + save_pending_exiter(rp, NULL); /* * The pending exit will be discovered when next * process is scheduled in @@ -12401,10 +12671,8 @@ erts_continue_exit_process(Process *p) ErtsProcLocks curr_locks = ERTS_PROC_LOCK_MAIN; Eterm reason = p->fvalue; DistEntry *dep; - struct saved_calls *scb; - process_breakpoint_time_t *pbt; erts_aint32_t state; - void *nif_export; + int delay_del_proc = 0; #ifdef DEBUG int yield_allowed = 1; @@ -12547,7 +12815,7 @@ erts_continue_exit_process(Process *p) { /* Do *not* use erts_get_runq_proc() */ ErtsRunQueue *rq; - rq = erts_get_runq_current(ERTS_GET_SCHEDULER_DATA_FROM_PROC(p)); + rq = erts_get_runq_current(erts_proc_sched_data(p)); erts_smp_runq_lock(rq); @@ -12593,16 +12861,24 @@ erts_continue_exit_process(Process *p) break; } +#ifdef ERTS_DIRTY_SCHEDULERS + if (a & (ERTS_PSFLG_DIRTY_RUNNING + | ERTS_PSFLG_DIRTY_RUNNING_SYS)) { + p->flags |= F_DELAYED_DEL_PROC; + delay_del_proc = 1; + /* + * The dirty scheduler will also decrease + * refc when done... + */ + erts_proc_inc_refc(p); + } +#endif + if (refc_inced && !(n & ERTS_PSFLG_IN_RUNQ)) erts_proc_dec_refc(p); } dep = (p->flags & F_DISTRIBUTION) ? erts_this_dist_entry : NULL; - scb = ERTS_PROC_SET_SAVED_CALLS_BUF(p, NULL); - if (scb) - p->fcalls += CONTEXT_REDS; /* Reduction counting depends on this... */ - pbt = ERTS_PROC_SET_CALL_TIME(p, NULL); - nif_export = ERTS_PROC_SET_NIF_TRAP_EXPORT(p, NULL); erts_smp_proc_unlock(p, ERTS_PROC_LOCKS_ALL); #ifdef BM_COUNTERS @@ -12642,22 +12918,14 @@ erts_continue_exit_process(Process *p) have none here */ } - if (scb) - erts_free(ERTS_ALC_T_CALLS_BUF, (void *) scb); - - if (pbt) - erts_free(ERTS_ALC_T_BPD, (void *) pbt); - - if (nif_export) - erts_destroy_nif_export(nif_export); - #ifdef ERTS_SMP erts_flush_trace_messages(p, 0); #endif ERTS_TRACER_CLEAR(&ERTS_TRACER(p)); - delete_process(p); + if (!delay_del_proc) + delete_process(p); #ifdef ERTS_SMP erts_smp_proc_lock(p, ERTS_PROC_LOCK_MAIN); @@ -12687,6 +12955,7 @@ erts_continue_exit_process(Process *p) ERTS_SMP_LC_ASSERT(ERTS_PROC_LOCK_MAIN == erts_proc_lc_my_proc_locks(p)); + BUMP_ALL_REDS(p); } /* @@ -13006,11 +13275,13 @@ void erts_halt(int code) int erts_dbg_check_halloc_lock(Process *p) { + ErtsSchedulerData *esdp; if (ERTS_PROC_LOCK_MAIN & erts_proc_lc_my_proc_locks(p)) return 1; if (p->common.id == ERTS_INVALID_PID) return 1; - if (p->scheduler_data && p == p->scheduler_data->match_pseudo_process) + esdp = erts_proc_sched_data(p); + if (esdp && p == esdp->match_pseudo_process) return 1; if (erts_thr_progress_is_blocking()) return 1; diff --git a/erts/emulator/beam/erl_process.h b/erts/emulator/beam/erl_process.h index 59da9c1779..b44ac442aa 100644 --- a/erts/emulator/beam/erl_process.h +++ b/erts/emulator/beam/erl_process.h @@ -304,6 +304,7 @@ typedef enum { ERTS_SSI_AUX_WORK_ASYNC_READY_CLEAN_IX, ERTS_SSI_AUX_WORK_MISC_THR_PRGR_IX, ERTS_SSI_AUX_WORK_MISC_IX, + ERTS_SSI_AUX_WORK_PENDING_EXITERS_IX, ERTS_SSI_AUX_WORK_SET_TMO_IX, ERTS_SSI_AUX_WORK_MSEG_CACHE_CHECK_IX, ERTS_SSI_AUX_WORK_REAP_PORTS_IX, @@ -336,6 +337,8 @@ typedef enum { (((erts_aint32_t) 1) << ERTS_SSI_AUX_WORK_MISC_THR_PRGR_IX) #define ERTS_SSI_AUX_WORK_MISC \ (((erts_aint32_t) 1) << ERTS_SSI_AUX_WORK_MISC_IX) +#define ERTS_SSI_AUX_WORK_PENDING_EXITERS \ + (((erts_aint32_t) 1) << ERTS_SSI_AUX_WORK_PENDING_EXITERS_IX) #define ERTS_SSI_AUX_WORK_SET_TMO \ (((erts_aint32_t) 1) << ERTS_SSI_AUX_WORK_SET_TMO_IX) #define ERTS_SSI_AUX_WORK_MSEG_CACHE_CHECK \ @@ -645,6 +648,7 @@ struct ErtsSchedulerData_ { Uint no; /* Scheduler number for normal schedulers */ #ifdef ERTS_DIRTY_SCHEDULERS ErtsDirtySchedId dirty_no; /* Scheduler number for dirty schedulers */ + Process *dirty_shadow_process; #endif Port *current_port; ErtsRunQueue *run_queue; @@ -805,14 +809,26 @@ erts_smp_reset_max_len(ErtsRunQueue *rq, ErtsRunQueueInfo *rqi) #define ERTS_PSD_CALL_TIME_BP 3 #define ERTS_PSD_DELAYED_GC_TASK_QS 4 #define ERTS_PSD_NIF_TRAP_EXPORT 5 -#ifdef HIPE #define ERTS_PSD_SUSPENDED_SAVED_CALLS_BUF 6 -#endif - -#ifdef HIPE -#define ERTS_PSD_SIZE 7 -#else -#define ERTS_PSD_SIZE 6 +#define ERTS_PSD_DIRTY_CPU_START 7 + +#define ERTS_PSD_SIZE 8 + +#if !defined(HIPE) && !defined(ERTS_DIRTY_SCHEDULERS) +# undef ERTS_PSD_SUSPENDED_SAVED_CALLS_BUF +# undef ERTS_PSD_DIRTY_CPU_START +# undef ERTS_PSD_SIZE +# define ERTS_PSD_SIZE 6 +#elif !defined(HIPE) +# undef ERTS_PSD_SUSPENDED_SAVED_CALLS_BUF +# undef ERTS_PSD_DIRTY_CPU_START +# undef ERTS_PSD_SIZE +# define ERTS_PSD_DIRTY_CPU_START 6 +# define ERTS_PSD_SIZE 7 +#elif !defined(ERTS_DIRTY_SCHEDULERS) +# undef ERTS_PSD_DIRTY_CPU_START +# undef ERTS_PSD_SIZE +# define ERTS_PSD_SIZE 7 #endif typedef struct { @@ -918,6 +934,15 @@ struct ErtsPendingSuspend_ { # define BIN_OLD_VHEAP_SZ(p) (p)->bin_old_vheap_sz # define BIN_OLD_VHEAP(p) (p)->bin_old_vheap +# define MAX_HEAP_SIZE_GET(p) ((p)->max_heap_size >> 2) +# define MAX_HEAP_SIZE_SET(p, sz) ((p)->max_heap_size = ((sz) << 2) | \ + MAX_HEAP_SIZE_FLAGS_GET(p)) +# define MAX_HEAP_SIZE_FLAGS_GET(p) ((p)->max_heap_size & 0x3) +# define MAX_HEAP_SIZE_FLAGS_SET(p, flags) ((p)->max_heap_size = flags | \ + ((p)->max_heap_size & ~0x3)) +# define MAX_HEAP_SIZE_KILL 1 +# define MAX_HEAP_SIZE_LOG 2 + struct process { ErtsPTabElementCommon common; /* *Need* to be first in struct */ @@ -1035,6 +1060,7 @@ struct process { Eterm *old_hend; /* Heap pointers for generational GC. */ Eterm *old_htop; Eterm *old_heap; + Uint max_heap_size; /* Maximum size of heap (in words). */ Uint16 gen_gcs; /* Number of (minor) generational GCs. */ Uint16 max_gen_gcs; /* Max minor gen GCs before fullsweep. */ ErlOffHeap off_heap; /* Off-heap data updated by copy_struct(). */ @@ -1183,7 +1209,10 @@ void erts_check_for_holes(Process* p); #define ERTS_PSFLG_DIRTY_CPU_PROC ERTS_PSFLG_BIT(20) #define ERTS_PSFLG_DIRTY_IO_PROC ERTS_PSFLG_BIT(21) #define ERTS_PSFLG_DIRTY_ACTIVE_SYS ERTS_PSFLG_BIT(22) -#define ERTS_PSFLG_MAX (ERTS_PSFLGS_ZERO_BIT_OFFSET + 22) +#define ERTS_PSFLG_DIRTY_RUNNING ERTS_PSFLG_BIT(23) +#define ERTS_PSFLG_DIRTY_RUNNING_SYS ERTS_PSFLG_BIT(24) + +#define ERTS_PSFLG_MAX (ERTS_PSFLGS_ZERO_BIT_OFFSET + 24) #define ERTS_PSFLGS_DIRTY_WORK (ERTS_PSFLG_DIRTY_CPU_PROC \ | ERTS_PSFLG_DIRTY_IO_PROC \ @@ -1194,6 +1223,11 @@ void erts_check_for_holes(Process* p); | ERTS_PSFLG_IN_PRQ_NORMAL \ | ERTS_PSFLG_IN_PRQ_LOW) +#define ERTS_PSFLGS_VOLATILE_HEAP (ERTS_PSFLG_EXITING \ + | ERTS_PSFLG_PENDING_EXIT \ + | ERTS_PSFLG_DIRTY_RUNNING \ + | ERTS_PSFLG_DIRTY_RUNNING_SYS) + #define ERTS_PSFLGS_GET_ACT_PRIO(PSFLGS) \ (((PSFLGS) >> ERTS_PSFLGS_ACT_PRIO_OFFSET) & ERTS_PSFLGS_PRIO_MASK) #define ERTS_PSFLGS_GET_USR_PRIO(PSFLGS) \ @@ -1235,6 +1269,7 @@ void erts_check_for_holes(Process* p); * Static flags that do not change after process creation. */ #define ERTS_STC_FLG_SYSTEM_PROC (((Uint32) 1) << 0) +#define ERTS_STC_FLG_SHADOW_PROC (((Uint32) 1) << 1) /* The sequential tracing token is a tuple of size 5: * @@ -1285,6 +1320,8 @@ typedef struct { Uint min_vheap_size; /* Minimum virtual heap size */ int priority; /* Priority for process. */ Uint16 max_gen_gcs; /* Maximum number of gen GCs before fullsweep. */ + Uint max_heap_size; /* Maximum heap size in words */ + Uint max_heap_flags; /* Maximum heap flags (kill | log) */ int scheduler; } ErlSpawnOpts; @@ -1302,7 +1339,7 @@ ERTS_GLB_INLINE void erts_heap_frag_shrink(Process* p, Eterm* hp) { ErlHeapFragment* hf = MBUF(p); - ASSERT(hf!=NULL && (hp - hf->mem < (unsigned long)hf->alloc_size)); + ASSERT(hf!=NULL && (hp - hf->mem < hf->alloc_size)); hf->used_size = hp - hf->mem; } @@ -1363,6 +1400,7 @@ extern int erts_system_profile_ts_type; #define F_SCHDLR_ONLN_WAITQ (1 << 17) /* Process enqueued waiting to change schedulers online */ #define F_HAVE_BLCKD_NMSCHED (1 << 18) /* Process has blocked normal multi-scheduling */ #define F_HIPE_MODE (1 << 19) +#define F_DELAYED_DEL_PROC (1 << 20) /* Delay delete process (dirty proc exit case) */ /* * F_DISABLE_GC and F_DELAY_GC are similar. Both will prevent @@ -1783,7 +1821,8 @@ erts_aint32_t erts_set_aux_work_timeout(int, erts_aint32_t, int); void erts_sched_notify_check_cpu_bind(void); Uint erts_active_schedulers(void); void erts_init_process(int, int, int); -Eterm erts_process_status(Process *, ErtsProcLocks, Process *, Eterm); +Eterm erts_process_state2status(erts_aint32_t); +Eterm erts_process_status(Process *, Eterm); Uint erts_run_queues_len(Uint *, int, int); void erts_add_to_runq(Process *); Eterm erts_bound_schedulers_term(Process *c_p); @@ -1860,19 +1899,11 @@ int erts_debug_wait_completed(Process *c_p, int flags); Uint erts_process_memory(Process *c_p, int incl_msg_inq); -#ifdef ERTS_SMP -# define ERTS_GET_SCHEDULER_DATA_FROM_PROC(PROC) ((PROC)->scheduler_data) -# define ERTS_PROC_GET_SCHDATA(PROC) ((PROC)->scheduler_data) -#else -# define ERTS_GET_SCHEDULER_DATA_FROM_PROC(PROC) (erts_scheduler_data) -# define ERTS_PROC_GET_SCHDATA(PROC) (erts_scheduler_data) -#endif - #ifdef ERTS_DO_VERIFY_UNUSED_TEMP_ALLOC # define ERTS_VERIFY_UNUSED_TEMP_ALLOC(P) \ do { \ ErtsSchedulerData *esdp__ = ((P) \ - ? ERTS_PROC_GET_SCHDATA((Process *) (P)) \ + ? erts_proc_sched_data((Process *) (P)) \ : erts_get_scheduler_data()); \ if (esdp__ && !ERTS_SCHEDULER_IS_DIRTY(esdp__)) \ esdp__->verify_unused_temp_alloc( \ @@ -1965,12 +1996,15 @@ erts_psd_set(Process *p, int ix, void *data) ErtsPSD *psd; #if defined(ERTS_SMP) && defined(ERTS_ENABLE_LOCK_CHECK) ErtsProcLocks locks = erts_proc_lc_my_proc_locks(p); - if (ERTS_LC_PSD_ANY_LOCK == erts_psd_required_locks[ix].set_locks) - ERTS_SMP_LC_ASSERT(locks || erts_thr_progress_is_blocking()); - else { - locks &= erts_psd_required_locks[ix].set_locks; - ERTS_SMP_LC_ASSERT(erts_psd_required_locks[ix].set_locks == locks - || erts_thr_progress_is_blocking()); + erts_aint32_t state = state = erts_smp_atomic32_read_nob(&p->state); + if (!(state & ERTS_PSFLG_FREE)) { + if (ERTS_LC_PSD_ANY_LOCK == erts_psd_required_locks[ix].set_locks) + ERTS_SMP_LC_ASSERT(locks || erts_thr_progress_is_blocking()); + else { + locks &= erts_psd_required_locks[ix].set_locks; + ERTS_SMP_LC_ASSERT(erts_psd_required_locks[ix].set_locks == locks + || erts_thr_progress_is_blocking()); + } } #endif psd = (ErtsPSD *) erts_smp_atomic_read_nob(&p->psd); @@ -2027,6 +2061,13 @@ erts_psd_set(Process *p, int ix, void *data) ((struct saved_calls *) erts_psd_set((P), ERTS_PSD_SUSPENDED_SAVED_CALLS_BUF, (void *) (SCB))) #endif +#ifdef ERTS_DIRTY_SCHEDULERS +#define ERTS_PROC_GET_DIRTY_CPU_START(P) \ + ((void *) erts_psd_get((P), ERTS_PSD_DIRTY_CPU_START)) +#define ERTS_PROC_SET_DIRTY_CPU_START(P, DCS) \ + ((void *) erts_psd_set((P), ERTS_PSD_DIRTY_CPU_START, (void *) (DCS))) +#endif + ERTS_GLB_INLINE Eterm erts_proc_get_error_handler(Process *p); ERTS_GLB_INLINE Eterm erts_proc_set_error_handler(Process *p, Eterm handler); @@ -2169,6 +2210,7 @@ erts_check_emigration_need(ErtsRunQueue *c_rq, int prio) #endif +ERTS_GLB_INLINE ErtsSchedulerData *erts_proc_sched_data(Process *c_p); ERTS_GLB_INLINE int erts_is_scheduler_bound(ErtsSchedulerData *esdp); ERTS_GLB_INLINE Process *erts_get_current_process(void); ERTS_GLB_INLINE Eterm erts_get_current_pid(void); @@ -2202,6 +2244,31 @@ ERTS_GLB_INLINE void erts_shrink_message_heap(ErtsMessage **msgpp, Process *pp, #if ERTS_GLB_INLINE_INCL_FUNC_DEF ERTS_GLB_INLINE +ErtsSchedulerData *erts_proc_sched_data(Process *c_p) +{ + ErtsSchedulerData *esdp; + ASSERT(c_p); +#if !defined(ERTS_SMP) + esdp = erts_get_scheduler_data(); +#else + esdp = c_p->scheduler_data; +# if defined(ERTS_DIRTY_SCHEDULERS) + if (esdp) { + ASSERT(esdp == erts_get_scheduler_data()); + ASSERT(!ERTS_SCHEDULER_IS_DIRTY(esdp)); + } + else { + esdp = erts_get_scheduler_data(); + ASSERT(esdp); + ASSERT(ERTS_SCHEDULER_IS_DIRTY(esdp)); + } +# endif +#endif + ASSERT(esdp); + return esdp; +} + +ERTS_GLB_INLINE int erts_is_scheduler_bound(ErtsSchedulerData *esdp) { if (!esdp) @@ -2416,7 +2483,7 @@ ERTS_GLB_INLINE ErtsAtomCacheMap * erts_get_atom_cache_map(Process *c_p) { ErtsSchedulerData *esdp = (c_p - ? ERTS_PROC_GET_SCHDATA(c_p) + ? erts_proc_sched_data(c_p) : erts_get_scheduler_data()); ASSERT(esdp); return &esdp->atom_cache_map; diff --git a/erts/emulator/beam/erl_process_dump.c b/erts/emulator/beam/erl_process_dump.c index fa76773cac..eeaa9a569c 100644 --- a/erts/emulator/beam/erl_process_dump.c +++ b/erts/emulator/beam/erl_process_dump.c @@ -568,23 +568,21 @@ dump_externally(int to, void *to_arg, Eterm term) } } -void erts_dump_process_state(int to, void *to_arg, erts_aint32_t psflg) { - if (psflg & ERTS_PSFLG_FREE) - erts_print(to, to_arg, "Non Existing\n"); /* Should never happen */ - else if (psflg & ERTS_PSFLG_EXITING) - erts_print(to, to_arg, "Exiting\n"); - else if (psflg & ERTS_PSFLG_GC) { - erts_print(to, to_arg, "Garbing\n"); - } - else if (psflg & ERTS_PSFLG_SUSPENDED) - erts_print(to, to_arg, "Suspended\n"); - else if (psflg & ERTS_PSFLG_RUNNING) { - erts_print(to, to_arg, "Running\n"); +void erts_dump_process_state(int to, void *to_arg, erts_aint32_t psflg) +{ + char *s; + switch (erts_process_state2status(psflg)) { + case am_free: s = "Non Existing"; break; /* Should never happen */ + case am_exiting: s = "Exiting"; break; + case am_garbage_collecting: s = "Garbing"; break; + case am_suspended: s = "Suspended"; break; + case am_running: s = "Running"; break; + case am_runnable: s = "Scheduled"; break; + case am_waiting: s = "Waiting"; break; + default: s = "Undefined"; break; /* Should never happen */ } - else if (psflg & ERTS_PSFLG_ACTIVE) - erts_print(to, to_arg, "Scheduled\n"); - else - erts_print(to, to_arg, "Waiting\n"); + + erts_print(to, to_arg, "%s\n", s); } void @@ -668,6 +666,10 @@ erts_dump_extended_process_state(int to, void *to_arg, erts_aint32_t psflg) { erts_print(to, to_arg, "DIRTY_IO_PROC"); break; case ERTS_PSFLG_DIRTY_ACTIVE_SYS: erts_print(to, to_arg, "DIRTY_ACTIVE_SYS"); break; + case ERTS_PSFLG_DIRTY_RUNNING: + erts_print(to, to_arg, "DIRTY_RUNNING"); break; + case ERTS_PSFLG_DIRTY_RUNNING_SYS: + erts_print(to, to_arg, "DIRTY_RUNNING_SYS"); break; default: erts_print(to, to_arg, "UNKNOWN(%d)", chk); break; } diff --git a/erts/emulator/beam/erl_time_sup.c b/erts/emulator/beam/erl_time_sup.c index fadbd704bd..9e37106b88 100644 --- a/erts/emulator/beam/erl_time_sup.c +++ b/erts/emulator/beam/erl_time_sup.c @@ -2348,7 +2348,7 @@ erts_napi_convert_time_unit(ErtsMonotonicTime val, int from, int to) BIF_RETTYPE monotonic_time_0(BIF_ALIST_0) { ErtsMonotonicTime mtime = time_sup.r.o.get_time(); - update_last_mtime(ERTS_PROC_GET_SCHDATA(BIF_P), mtime); + update_last_mtime(erts_proc_sched_data(BIF_P), mtime); mtime += ERTS_MONOTONIC_OFFSET_NATIVE; BIF_RET(make_time_val(BIF_P, mtime)); } @@ -2356,7 +2356,7 @@ BIF_RETTYPE monotonic_time_0(BIF_ALIST_0) BIF_RETTYPE monotonic_time_1(BIF_ALIST_1) { ErtsMonotonicTime mtime = time_sup.r.o.get_time(); - update_last_mtime(ERTS_PROC_GET_SCHDATA(BIF_P), mtime); + update_last_mtime(erts_proc_sched_data(BIF_P), mtime); BIF_RET(time_unit_conversion(BIF_P, BIF_ARG_1, mtime, 1)); } @@ -2365,7 +2365,7 @@ BIF_RETTYPE system_time_0(BIF_ALIST_0) ErtsMonotonicTime mtime, offset; mtime = time_sup.r.o.get_time(); offset = get_time_offset(); - update_last_mtime(ERTS_PROC_GET_SCHDATA(BIF_P), mtime); + update_last_mtime(erts_proc_sched_data(BIF_P), mtime); BIF_RET(make_time_val(BIF_P, mtime + offset)); } @@ -2374,7 +2374,7 @@ BIF_RETTYPE system_time_1(BIF_ALIST_0) ErtsMonotonicTime mtime, offset; mtime = time_sup.r.o.get_time(); offset = get_time_offset(); - update_last_mtime(ERTS_PROC_GET_SCHDATA(BIF_P), mtime); + update_last_mtime(erts_proc_sched_data(BIF_P), mtime); BIF_RET(time_unit_conversion(BIF_P, BIF_ARG_1, mtime + offset, 0)); } @@ -2404,7 +2404,7 @@ BIF_RETTYPE timestamp_0(BIF_ALIST_0) mtime = time_sup.r.o.get_time(); offset = get_time_offset(); - update_last_mtime(ERTS_PROC_GET_SCHDATA(BIF_P), mtime); + update_last_mtime(erts_proc_sched_data(BIF_P), mtime); make_timestamp_value(&mega_sec, &sec, µ_sec, mtime, offset); diff --git a/erts/emulator/beam/erl_trace.c b/erts/emulator/beam/erl_trace.c index 1c0fc0a11f..ca001fc156 100644 --- a/erts/emulator/beam/erl_trace.c +++ b/erts/emulator/beam/erl_trace.c @@ -396,7 +396,7 @@ send_to_tracer_nif(Process *c_p, ErtsPTabElementCommon *t_p, Eterm tag, Eterm msg, Eterm extra, Eterm pam_result); static ERTS_INLINE Eterm -call_enabled_tracer(Process *c_p, const ErtsTracer tracer, +call_enabled_tracer(const ErtsTracer tracer, ErtsTracerNif **tnif_ref, enum ErtsTracerOpt topt, Eterm tag, Eterm t_p_id); @@ -459,8 +459,7 @@ erts_set_system_seq_tracer(Process *c_p, ErtsProcLocks c_p_locks, ErtsTracer new if (!ERTS_TRACER_IS_NIL(new)) { Eterm nif_result = call_enabled_tracer( - NULL, new, NULL, - TRACE_FUN_ENABLED, am_trace_status, am_undefined); + new, NULL, TRACE_FUN_ENABLED, am_trace_status, am_undefined); switch (nif_result) { case am_trace: break; default: @@ -492,7 +491,7 @@ erts_get_system_seq_tracer(void) erts_smp_rwmtx_runlock(&sys_trace_rwmtx); if (st != erts_tracer_nil && - call_enabled_tracer(NULL, st, NULL, TRACE_FUN_ENABLED, + call_enabled_tracer(st, NULL, TRACE_FUN_ENABLED, am_trace_status, am_undefined) == am_remove) { erts_set_system_seq_tracer(NULL, 0, erts_tracer_nil); st = erts_tracer_nil; @@ -513,7 +512,7 @@ get_default_tracing(Uint *flagsp, ErtsTracer *tracerp, *default_trace_flags &= ~TRACEE_FLAGS; } else { Eterm nif_res; - nif_res = call_enabled_tracer(NULL, *default_tracer, + nif_res = call_enabled_tracer(*default_tracer, NULL, TRACE_FUN_ENABLED, am_trace_status, am_undefined); switch (nif_res) { @@ -915,8 +914,8 @@ seq_trace_update_send(Process *p) ASSERT((is_tuple(SEQ_TRACE_TOKEN(p)) || is_nil(SEQ_TRACE_TOKEN(p)))); if (have_no_seqtrace(SEQ_TRACE_TOKEN(p)) || (seq_tracer != NIL && - call_enabled_tracer(NULL, seq_tracer, NULL, - TRACE_FUN_ENABLED, am_trace_status, + call_enabled_tracer(seq_tracer, NULL, + TRACE_FUN_ENABLED, am_seq_trace, p ? p->common.id : am_undefined) != am_trace) #ifdef USE_VM_PROBES || (SEQ_TRACE_TOKEN(p) == am_have_dt_utag) @@ -963,9 +962,9 @@ seq_trace_output_generic(Eterm token, Eterm msg, Uint type, ASSERT(is_tuple(token) || is_nil(token)); if (token == NIL || (process && ERTS_TRACE_FLAGS(process) & F_SENSITIVE) || ERTS_TRACER_IS_NIL(seq_tracer) || - call_enabled_tracer(NULL, seq_tracer, + call_enabled_tracer(seq_tracer, NULL, TRACE_FUN_ENABLED, - am_trace_status, + am_seq_trace, process ? process->common.id : am_undefined) != am_trace) { return; } @@ -1186,7 +1185,11 @@ erts_call_trace(Process* p, BeamInstr mfa[3], Binary *match_spec, * use process flags */ tracee_flags = &ERTS_TRACE_FLAGS(p); + /* Is is not ideal at all to call this check twice, + it should be optimized so that only one call is made. */ if (!is_tracer_enabled(p, ERTS_PROC_LOCK_MAIN, &p->common, &tnif, + TRACE_FUN_ENABLED, am_trace_status) + || !is_tracer_enabled(p, ERTS_PROC_LOCK_MAIN, &p->common, &tnif, TRACE_FUN_E_CALL, am_call)) { return 0; } @@ -1202,13 +1205,21 @@ erts_call_trace(Process* p, BeamInstr mfa[3], Binary *match_spec, } meta_flags = F_TRACE_CALLS | F_NOW_TS; tracee_flags = &meta_flags; - switch (call_enabled_tracer(p, *tracer, - &tnif, TRACE_FUN_T_CALL, - am_call, p->common.id)) { + switch (call_enabled_tracer(*tracer, + &tnif, TRACE_FUN_ENABLED, + am_trace_status, p->common.id)) { default: case am_remove: *tracer = erts_tracer_nil; case am_discard: return 0; - case am_trace: break; + case am_trace: + switch (call_enabled_tracer(*tracer, + &tnif, TRACE_FUN_T_CALL, + am_call, p->common.id)) { + default: + case am_discard: return 0; + case am_trace: break; + } + break; } } @@ -1346,9 +1357,9 @@ trace_proc(Process *c_p, ErtsProcLocks c_p_locks, Process *t_p, Eterm what, Eterm data) { ErtsTracerNif *tnif = NULL; - if (is_tracer_enabled(c_p, c_p_locks, &t_p->common, &tnif, + if (is_tracer_enabled(NULL, 0, &t_p->common, &tnif, TRACE_FUN_E_PROCS, what)) - send_to_tracer_nif(c_p, &t_p->common, t_p->common.id, tnif, TRACE_FUN_T_PROCS, + send_to_tracer_nif(NULL, &t_p->common, t_p->common.id, tnif, TRACE_FUN_T_PROCS, what, data, THE_NON_VALUE, am_true); } @@ -1365,16 +1376,15 @@ trace_proc_spawn(Process *p, Eterm what, Eterm pid, Eterm mod, Eterm func, Eterm args) { ErtsTracerNif *tnif = NULL; - if (is_tracer_enabled(p, ERTS_PROC_LOCKS_ALL & - ~(ERTS_PROC_LOCK_STATUS|ERTS_PROC_LOCK_TRACE), - &p->common, &tnif, TRACE_FUN_E_PROCS, what)) { + if (is_tracer_enabled(NULL, 0, + &p->common, &tnif, TRACE_FUN_E_PROCS, what)) { Eterm mfa; Eterm* hp; hp = HAlloc(p, 4); mfa = TUPLE3(hp, mod, func, args); hp += 4; - send_to_tracer_nif(p, &p->common, p->common.id, tnif, TRACE_FUN_T_PROCS, + send_to_tracer_nif(NULL, &p->common, p->common.id, tnif, TRACE_FUN_T_PROCS, what, pid, mfa, am_true); } } @@ -1409,25 +1419,28 @@ void save_calls(Process *p, Export *e) * are all small (atomic) integers. */ void -trace_gc(Process *p, Eterm what, Uint size) +trace_gc(Process *p, Eterm what, Uint size, Eterm msg) { ErtsTracerNif *tnif = NULL; Eterm* hp; - Eterm msg = NIL; Uint sz = 0; Eterm tup; - if (is_tracer_enabled(p, ERTS_PROC_LOCK_MAIN, &p->common, &tnif, TRACE_FUN_E_GC, what)) { + if (is_tracer_enabled(p, ERTS_PROC_LOCK_MAIN, &p->common, &tnif, + TRACE_FUN_E_GC, what)) { + + if (is_non_value(msg)) { - (void) erts_process_gc_info(p, &sz, NULL); - hp = HAlloc(p, sz + 3 + 2); + (void) erts_process_gc_info(p, &sz, NULL, 0, 0); + hp = HAlloc(p, sz + 3 + 2); - msg = erts_process_gc_info(p, NULL, &hp); - tup = TUPLE2(hp, am_wordsize, make_small(size)); hp += 3; - msg = CONS(hp, tup, msg); hp += 2; + msg = erts_process_gc_info(p, NULL, &hp, 0, 0); + tup = TUPLE2(hp, am_wordsize, make_small(size)); hp += 3; + msg = CONS(hp, tup, msg); hp += 2; + } send_to_tracer_nif(p, &p->common, p->common.id, tnif, TRACE_FUN_T_GC, - what, msg, am_undefined, am_true); + what, msg, THE_NON_VALUE, am_true); } } @@ -2896,23 +2909,28 @@ send_to_tracer_nif(Process *c_p, ErtsPTabElementCommon *t_p, } static ERTS_INLINE Eterm -call_enabled_tracer(Process *c_p, const ErtsTracer tracer, +call_enabled_tracer(const ErtsTracer tracer, ErtsTracerNif **tnif_ret, enum ErtsTracerOpt topt, Eterm tag, Eterm t_p_id) { ErtsTracerNif *tnif = lookup_tracer_nif(tracer); if (tnif) { - Eterm argv[] = {tag, ERTS_TRACER_STATE(tracer), t_p_id}; + Eterm argv[] = {tag, ERTS_TRACER_STATE(tracer), t_p_id}, + ret; topt = (tnif->tracers[topt].cb) ? topt : TRACE_FUN_ENABLED; ASSERT(topt < NIF_TRACER_TYPES); ASSERT(tnif->tracers[topt].cb != NULL); if (tnif_ret) *tnif_ret = tnif; - return erts_nif_call_function(c_p, NULL, tnif->nif_mod, - tnif->tracers[topt].cb, - tnif->tracers[topt].arity, - argv); + ret = erts_nif_call_function(NULL, NULL, tnif->nif_mod, + tnif->tracers[topt].cb, + tnif->tracers[topt].arity, + argv); + if (tag == am_trace_status && ret != am_remove) + return am_trace; + ASSERT(tag == am_trace_status || ret != am_remove); + return ret; } - return am_remove; + return tag == am_trace_status ? am_remove : am_discard; } static int @@ -2937,12 +2955,12 @@ is_tracer_enabled(Process* c_p, ErtsProcLocks c_p_locks, } #endif - nif_result = call_enabled_tracer(c_p, t_p->tracer, tnif_ret, topt, tag, t_p->id); + nif_result = call_enabled_tracer(t_p->tracer, tnif_ret, topt, tag, t_p->id); switch (nif_result) { case am_discard: return 0; case am_trace: return 1; case THE_NON_VALUE: - case am_remove: break; + case am_remove: ASSERT(tag == am_trace_status); break; default: /* only am_remove should be returned, but if something else is returned we fall-through @@ -2973,19 +2991,14 @@ is_tracer_enabled(Process* c_p, ErtsProcLocks c_p_locks, return 0; } -int erts_is_tracer_proc_enabled(Process* c_p, ErtsProcLocks c_p_locks, - ErtsPTabElementCommon *t_p, Eterm type) -{ - return is_tracer_enabled(c_p, c_p_locks, t_p, NULL, TRACE_FUN_ENABLED, am_trace_status); -} - -int erts_is_tracer_enabled(Process *c_p, const ErtsTracer tracer) +int erts_is_tracer_enabled(const ErtsTracer tracer, ErtsPTabElementCommon *t_p) { ErtsTracerNif *tnif = lookup_tracer_nif(tracer); if (tnif) { - Eterm nif_result = call_enabled_tracer(c_p, tracer, &tnif, - TRACE_FUN_ENABLED, am_trace_status, - c_p->common.id); + Eterm nif_result = call_enabled_tracer(tracer, &tnif, + TRACE_FUN_ENABLED, + am_trace_status, + t_p->id); switch (nif_result) { case am_discard: case am_trace: return 1; @@ -2996,6 +3009,20 @@ int erts_is_tracer_enabled(Process *c_p, const ErtsTracer tracer) return 0; } +int erts_is_tracer_proc_enabled(Process* c_p, ErtsProcLocks c_p_locks, + ErtsPTabElementCommon *t_p) +{ + return is_tracer_enabled(c_p, c_p_locks, t_p, NULL, TRACE_FUN_ENABLED, + am_trace_status); +} + +int erts_is_tracer_proc_enabled_send(Process* c_p, ErtsProcLocks c_p_locks, + ErtsPTabElementCommon *t_p) +{ + return is_tracer_enabled(c_p, c_p_locks, t_p, NULL, TRACE_FUN_T_SEND, am_send); +} + + void erts_tracer_replace(ErtsPTabElementCommon *t_p, const ErtsTracer tracer) { #if defined(ERTS_SMP) && defined(ERTS_ENABLE_LOCK_CHECK) diff --git a/erts/emulator/beam/erl_trace.h b/erts/emulator/beam/erl_trace.h index de4beadb7e..0095d4386b 100644 --- a/erts/emulator/beam/erl_trace.h +++ b/erts/emulator/beam/erl_trace.h @@ -112,7 +112,7 @@ void trace_sched(Process*, ErtsProcLocks, Eterm); void trace_proc(Process*, ErtsProcLocks, Process*, Eterm, Eterm); void trace_proc_spawn(Process*, Eterm what, Eterm pid, Eterm mod, Eterm func, Eterm args); void save_calls(Process *p, Export *); -void trace_gc(Process *p, Eterm what, Uint size); +void trace_gc(Process *p, Eterm what, Uint size, Eterm msg); /* port tracing */ void trace_virtual_sched(Process*, ErtsProcLocks, Eterm); void trace_sched_ports(Port *pp, Eterm); @@ -193,8 +193,10 @@ int erts_finish_breakpointing(void); /* Nif tracer functions */ int erts_is_tracer_proc_enabled(Process *c_p, ErtsProcLocks c_p_locks, - ErtsPTabElementCommon *t_p, Eterm type); -int erts_is_tracer_enabled(Process *c_p, const ErtsTracer tracer); + ErtsPTabElementCommon *t_p); +int erts_is_tracer_proc_enabled_send(Process* c_p, ErtsProcLocks c_p_locks, + ErtsPTabElementCommon *t_p); +int erts_is_tracer_enabled(const ErtsTracer tracer, ErtsPTabElementCommon *t_p); Eterm erts_tracer_to_term(Process *p, ErtsTracer tracer); ErtsTracer erts_term_to_tracer(Eterm prefix, Eterm term); void erts_tracer_replace(ErtsPTabElementCommon *t_p, @@ -224,9 +226,4 @@ ERTS_DECLARE_DUMMY(erts_tracer_nil) = NIL; #define ERTS_TRACER_FROM_ETERM(termp) \ ((ErtsTracer*)(termp)) -#define ERTS_TRACER_PROC_IS_ENABLED(PROC) \ - (!ERTS_TRACER_IS_NIL(ERTS_TRACER(PROC)) \ - && erts_is_tracer_proc_enabled(PROC, ERTS_PROC_LOCK_MAIN, \ - &(PROC)->common, am_trace_status)) - #endif /* ERL_TRACE_H__ */ diff --git a/erts/emulator/beam/erl_unicode.c b/erts/emulator/beam/erl_unicode.c index 3c3536c021..bd5e1482fb 100644 --- a/erts/emulator/beam/erl_unicode.c +++ b/erts/emulator/beam/erl_unicode.c @@ -55,7 +55,7 @@ static BIF_RETTYPE finalize_list_to_list(Process *p, Uint num_processed_bytes, Uint num_bytes_to_process, Uint num_resulting_chars, - int state, int left, + int state, Sint left, Eterm tail); static BIF_RETTYPE characters_to_utf8_trap(BIF_ALIST_3); static BIF_RETTYPE characters_to_list_trap_1(BIF_ALIST_3); @@ -173,12 +173,13 @@ static ERTS_INLINE int allowed_iterations(Process *p) else return tmp; } -static ERTS_INLINE int cost_to_proc(Process *p, int cost) + +static ERTS_INLINE void cost_to_proc(Process *p, Sint cost) { - int x = (cost / LOOP_FACTOR); + Sint x = (cost / LOOP_FACTOR); BUMP_REDS(p,x); - return x; } + static ERTS_INLINE int simple_loops_to_common(int cost) { int factor = (LOOP_FACTOR_SIMPLE / LOOP_FACTOR); @@ -243,14 +244,15 @@ static int utf8_len(byte first) return -1; } -static int copy_utf8_bin(byte *target, byte *source, Uint size, - byte *leftover, int *num_leftovers, - byte **err_pos, Uint *characters) { - int copied = 0; +static Uint copy_utf8_bin(byte *target, byte *source, Uint size, + byte *leftover, int *num_leftovers, + byte **err_pos, Uint *characters) +{ + Uint copied = 0; if (leftover != NULL && *num_leftovers) { int need = utf8_len(leftover[0]); int from_source = need - (*num_leftovers); - int c; + Uint c; byte *tmp_err_pos = NULL; ASSERT(need > 0); ASSERT(from_source > 0); @@ -502,8 +504,8 @@ L_Again: /* Restart with sublist, old listend was pushed on stack */ } -static Eterm do_build_utf8(Process *p, Eterm ioterm, int *left, int latin1, - byte *target, int *pos, Uint *characters, int *err, +static Eterm do_build_utf8(Process *p, Eterm ioterm, Sint *left, int latin1, + byte *target, Uint *pos, Uint *characters, int *err, byte *leftover, int *num_leftovers) { int c; @@ -573,7 +575,7 @@ static Eterm do_build_utf8(Process *p, Eterm ioterm, int *left, int latin1, } if (!latin1) { - int num; + Uint num; byte *err_pos = NULL; num = copy_utf8_bin(target + (*pos), bytes, size, leftover, num_leftovers,&err_pos,characters); @@ -804,7 +806,7 @@ static int check_leftovers(byte *source, int size) -static BIF_RETTYPE build_utf8_return(Process *p,Eterm bin,int pos, +static BIF_RETTYPE build_utf8_return(Process *p,Eterm bin,Uint pos, Eterm rest_term,int err, byte *leftover,int num_leftovers,Eterm latin1) { @@ -859,8 +861,8 @@ static BIF_RETTYPE characters_to_utf8_trap(BIF_ALIST_3) #endif byte* bytes; Eterm rest_term; - int left, sleft; - int pos; + Sint left, sleft; + Uint pos; int err; byte leftover[4]; /* used for temp buffer too, otherwise 3 bytes would have been enough */ @@ -874,7 +876,7 @@ static BIF_RETTYPE characters_to_utf8_trap(BIF_ALIST_3) real_bin = binary_val(BIF_ARG_1); ASSERT(*real_bin == HEADER_PROC_BIN); #endif - pos = (int) binary_size(BIF_ARG_1); + pos = binary_size(BIF_ARG_1); bytes = binary_bytes(BIF_ARG_1); sleft = left = allowed_iterations(BIF_P); err = 0; @@ -934,9 +936,9 @@ BIF_RETTYPE unicode_characters_to_binary_2(BIF_ALIST_2) int latin1; Eterm bin; byte *bytes; - int pos; + Uint pos; int err; - int left, sleft; + Sint left, sleft; Eterm rest_term, subject; byte leftover[4]; /* used for temp buffer too, o therwise 3 bytes would have been enough */ @@ -999,7 +1001,7 @@ BIF_RETTYPE unicode_characters_to_binary_2(BIF_ALIST_2) byte *t = NULL; Uint sz = binary_size(bin); byte *by = erts_get_aligned_binary_bytes(bin,&t); - int i; + Uint i; erts_printf("<<"); for (i = 0;i < sz; ++i) { erts_printf((i == sz -1) ? "0x%X" : "0x%X, ", (unsigned) by[i]); @@ -1007,7 +1009,7 @@ BIF_RETTYPE unicode_characters_to_binary_2(BIF_ALIST_2) erts_printf(">>: "); erts_free_aligned_binary_bytes(t); } - erts_printf("%d - %d = %d\n",sleft,left,sleft - left); + erts_printf("%ld - %ld = %ld\n", sleft, left, sleft - left); } #endif cost_to_proc(BIF_P, sleft - left); @@ -1015,10 +1017,10 @@ BIF_RETTYPE unicode_characters_to_binary_2(BIF_ALIST_2) leftover,num_leftovers,BIF_ARG_2); } -static BIF_RETTYPE build_list_return(Process *p, byte *bytes, int pos, Uint characters, +static BIF_RETTYPE build_list_return(Process *p, byte *bytes, Uint pos, Uint characters, Eterm rest_term, int err, byte *leftover, int num_leftovers, - Eterm latin1, int left) + Eterm latin1, Sint left) { Eterm *hp; @@ -1070,11 +1072,11 @@ static BIF_RETTYPE characters_to_list_trap_1(BIF_ALIST_3) { RestartContext *rc; byte* bytes; - int pos; + Uint pos; Uint characters; int err; Eterm rest_term; - int left, sleft; + Sint left, sleft; int latin1 = 0; byte leftover[4]; /* used for temp buffer too, @@ -1107,9 +1109,9 @@ BIF_RETTYPE unicode_characters_to_list_2(BIF_ALIST_2) int latin1; Uint characters = 0; byte *bytes; - int pos; + Uint pos; int err; - int left, sleft; + Sint left, sleft; Eterm rest_term; byte leftover[4]; /* used for temp buffer too, o therwise 3 bytes would have been enough */ @@ -1541,7 +1543,7 @@ static BIF_RETTYPE finalize_list_to_list(Process *p, Uint num_processed_bytes, Uint num_bytes_to_process, Uint num_resulting_chars, - int state, int left, + int state, Sint left, Eterm tail) { Uint num_built; /* characters */ @@ -2016,7 +2018,7 @@ char *erts_convert_filename_to_encoding(Eterm name, char *statbuf, size_t statbu ++need; } if (used) - *used = (Sint) need; + *used = need; if (need+extra > statbuf_size) { name_buf = (char *) erts_alloc(alloc_type, need+extra); } else { diff --git a/erts/emulator/beam/erl_vm.h b/erts/emulator/beam/erl_vm.h index f3c54de214..f97716d030 100644 --- a/erts/emulator/beam/erl_vm.h +++ b/erts/emulator/beam/erl_vm.h @@ -50,6 +50,7 @@ #define H_DEFAULT_SIZE 233 /* default (heap + stack) min size */ #define VH_DEFAULT_SIZE 32768 /* default virtual (bin) heap min size (words) */ +#define H_DEFAULT_MAX_SIZE 0 /* default max heap size is off */ #define CP_SIZE 1 @@ -160,6 +161,8 @@ extern int num_instructions; /* Number of instruction in opc[]. */ extern int H_MIN_SIZE; /* minimum (heap + stack) */ extern int BIN_VH_MIN_SIZE; /* minimum virtual (bin) heap */ +extern int H_MAX_SIZE; /* maximum (heap + stack) */ +extern int H_MAX_FLAGS; /* maximum heap flags */ extern int erts_atom_table_size;/* Atom table size */ extern int erts_pd_initial_size;/* Initial Process dictionary table size */ diff --git a/erts/emulator/beam/global.h b/erts/emulator/beam/global.h index 550db95ba8..b76b9cd874 100644 --- a/erts/emulator/beam/global.h +++ b/erts/emulator/beam/global.h @@ -57,6 +57,7 @@ struct enif_environment_t /* ErlNifEnv */ struct enif_tmp_obj_t* tmp_obj_list; int exception_thrown; /* boolean */ Process *tracee; + int exiting; /* boolean (dirty nifs might return in exiting state) */ }; extern void erts_pre_nif(struct enif_environment_t*, Process*, struct erl_module_nif*, Process* tracee); @@ -946,7 +947,7 @@ ERTS_GLB_INLINE Eterm erts_equeue_get(ErtsEQueue *q) { void erts_emasculate_writable_binary(ProcBin* pb); Eterm erts_new_heap_binary(Process *p, byte *buf, int len, byte** datap); -Eterm erts_new_mso_binary(Process*, byte*, int); +Eterm erts_new_mso_binary(Process*, byte*, Uint); Eterm new_binary(Process*, byte*, Uint); Eterm erts_realloc_binary(Eterm bin, size_t size); diff --git a/erts/emulator/beam/io.c b/erts/emulator/beam/io.c index b9f6ab04c6..0377f6cb5e 100644 --- a/erts/emulator/beam/io.c +++ b/erts/emulator/beam/io.c @@ -2512,7 +2512,7 @@ erts_port_output(Process *c_p, sigdp->flags &= ~ERTS_P2P_SIG_DATA_FLG_NOSUSPEND; else if (async_nosuspend) { ErtsSchedulerData *esdp = (c_p - ? ERTS_PROC_GET_SCHDATA(c_p) + ? erts_proc_sched_data(c_p) : erts_get_scheduler_data()); ASSERT(esdp); ns_pthp = &esdp->nosuspend_port_task_handle; @@ -5140,7 +5140,7 @@ erts_request_io_bytes(Process *c_p) Uint *hp; Eterm ref; Uint32 *refn; - ErtsSchedulerData *esdp = ERTS_PROC_GET_SCHDATA(c_p); + ErtsSchedulerData *esdp = erts_proc_sched_data(c_p); ErtsIOBytesReq *req = erts_alloc(ERTS_ALC_T_IOB_REQ, sizeof(ErtsIOBytesReq)); @@ -5941,7 +5941,7 @@ driver_deliver_term(Port *prt, Eterm to, ErlDrvTermData* data, int len) if (!rp) { if (!prt || !IS_TRACED_FL(prt, F_TRACE_SEND)) goto done; - if (!erts_is_tracer_proc_enabled(NULL, 0, &prt->common, am_send)) + if (!erts_is_tracer_proc_enabled_send(NULL, 0, &prt->common)) goto done; res = -2; @@ -7881,11 +7881,13 @@ driver_system_info(ErlDrvSysInfo *sip, size_t si_size) * (driver version 3.1, NIF version 2.7) */ if (si_size >= ERL_DRV_SYS_INFO_SIZE(dirty_scheduler_support)) { -#if defined(ERL_NIF_DIRTY_SCHEDULER_SUPPORT) && defined(USE_THREADS) - sip->dirty_scheduler_support = 1; + sip->dirty_scheduler_support = +#ifdef ERTS_DIRTY_SCHEDULERS + 1 #else - sip->dirty_scheduler_support = 0; + 0 #endif + ; } } diff --git a/erts/emulator/beam/sys.h b/erts/emulator/beam/sys.h index dda3ba565c..f303d4f167 100644 --- a/erts/emulator/beam/sys.h +++ b/erts/emulator/beam/sys.h @@ -34,6 +34,10 @@ (((__GNUC__ << 24) | (__GNUC_MINOR__ << 12) | __GNUC_PATCHLEVEL__) >= (((MAJ) << 24) | ((MIN) << 12) | (PL))) #endif +#if defined(ERTS_DIRTY_SCHEDULERS) && !defined(ERTS_SMP) +# error "Dirty schedulers not supported without smp support" +#endif + #ifdef ERTS_INLINE # ifndef ERTS_CAN_INLINE # define ERTS_CAN_INLINE 1 diff --git a/erts/emulator/hipe/hipe_mode_switch.c b/erts/emulator/hipe/hipe_mode_switch.c index 9ad44b25ac..884331e969 100644 --- a/erts/emulator/hipe/hipe_mode_switch.c +++ b/erts/emulator/hipe/hipe_mode_switch.c @@ -59,6 +59,7 @@ * TODO: check PCB consistency at native BIF calls */ int hipe_modeswitch_debug = 0; +extern BeamInstr beam_exit[]; #define HIPE_DEBUG 0 @@ -173,6 +174,33 @@ void hipe_mode_switch_init(void) make_catch(beam_catches_cons(hipe_beam_pc_throw, BEAM_CATCHES_NIL)); hipe_mfa_info_table_init(); + +#if (defined(__i386__) || defined(__x86_64__)) && defined(__linux__) + /* Verify that the offset of c-p->hipe does not change. + The ErLLVM hipe backend depends on it being in a specific + position. Kostis et al has promised to fix this in upstream + llvm by OTP 20, so it should be possible to remove these asserts + after that. */ + ERTS_CT_ASSERT(sizeof(ErtsPTabElementCommon) == + (sizeof(Eterm) + /* id */ + sizeof(((ErtsPTabElementCommon*)0)->refc) + + sizeof(ErtsTracer) + /* tracer */ + sizeof(Uint) + /* trace_flags */ + sizeof(erts_smp_atomic_t) + /* timer */ + sizeof(((ErtsPTabElementCommon*)0)->u))); + + ERTS_CT_ASSERT(offsetof(Process, hipe) == + (sizeof(ErtsPTabElementCommon) + /* common */ + sizeof(Eterm*) + /* htop */ + sizeof(Eterm*) + /* stop */ + sizeof(Eterm*) + /* heap */ + sizeof(Eterm*) + /* hend */ + sizeof(Uint) + /* heap_sz */ + sizeof(Uint) + /* min_heap_size */ + sizeof(Uint) + /* min_vheap_size */ + sizeof(volatile unsigned long))); /* fp_exception */ +#endif + } void hipe_set_call_trap(Uint *bfun, void *nfun, int is_closure) @@ -509,6 +537,10 @@ Process *hipe_mode_switch(Process *p, unsigned cmd, Eterm reg[]) if (scb) ERTS_PROC_SET_SAVED_CALLS_BUF(p, scb); + /* The process may have died while it was executing, + if so we return out from native code to the interpreter */ + if (erts_smp_atomic32_read_nob(&p->state) & ERTS_PSFLG_EXITING) + p->i = beam_exit; #ifdef DEBUG ASSERT(p->debug_reds_in == reds_in); #endif diff --git a/erts/emulator/nifs/common/erl_tracer_nif.c b/erts/emulator/nifs/common/erl_tracer_nif.c index 8a9a1bf16c..6dddc80607 100644 --- a/erts/emulator/nifs/common/erl_tracer_nif.c +++ b/erts/emulator/nifs/common/erl_tracer_nif.c @@ -70,6 +70,7 @@ ERL_NIF_INIT(erl_tracer, nif_funcs, load, NULL, upgrade, unload) ATOM_DECL(strict_monotonic); \ ATOM_DECL(timestamp); \ ATOM_DECL(trace); \ + ATOM_DECL(trace_status); \ ATOM_DECL(trace_ts); \ ATOM_DECL(true); \ ATOM_DECL(gc_minor_start); \ @@ -118,19 +119,22 @@ static ERL_NIF_TERM enabled(ErlNifEnv* env, int argc, const ERL_NIF_TERM argv[]) { ErlNifPid to_pid; ErlNifPort to_port; + ERL_NIF_TERM ret = enif_is_identical(argv[0], atom_trace_status) ? + atom_remove : atom_discard; + ASSERT(argc == 3); if (enif_get_local_pid(env, argv[1], &to_pid)) { if (!enif_is_process_alive(env, &to_pid)) /* tracer is dead so we should remove this trace point */ - return atom_remove; + return ret; } else if (enif_get_local_port(env, argv[1], &to_port)) { if (!enif_is_port_alive(env, &to_port)) /* tracer is dead so we should remove this trace point */ - return atom_remove; + return ret; } else { /* The state was not a pid or a port */ - return atom_remove; + return ret; } /* Only generate trace for when tracer != tracee */ diff --git a/erts/emulator/test/Makefile b/erts/emulator/test/Makefile index de395dfb97..b580211eff 100644 --- a/erts/emulator/test/Makefile +++ b/erts/emulator/test/Makefile @@ -53,6 +53,7 @@ MODULES= \ crypto_SUITE \ ddll_SUITE \ decode_packet_SUITE \ + dirty_nif_SUITE \ distribution_SUITE \ driver_SUITE \ efile_SUITE \ diff --git a/erts/emulator/test/alloc_SUITE.erl b/erts/emulator/test/alloc_SUITE.erl index 1f7b499dcb..84cf4921d3 100644 --- a/erts/emulator/test/alloc_SUITE.erl +++ b/erts/emulator/test/alloc_SUITE.erl @@ -73,16 +73,32 @@ migration(Cfg) -> end. erts_mmap(Config) when is_list(Config) -> - case os:type() of - {unix, _} -> + case {os:type(), mmsc_flags()} of + {{unix,_}, false} -> [erts_mmap_do(Config, SCO, SCRPM, SCRFSD) || SCO <-[true,false], SCRFSD <-[1234,0], SCRPM <- [true,false]]; - {SkipOs,_} -> + {{unix,_}, Flags} -> + {skipped, Flags}; + {{SkipOs,_},_} -> {skipped, lists:flatten(["Not run on " | io_lib:format("~p",[SkipOs])])} end. +%% Check if there are ERL_FLAGS set that will mess up this test case +mmsc_flags() -> + case mmsc_flags("ERL_FLAGS") of + false -> mmsc_flags("ERL_ZFLAGS"); + Flags -> Flags + end. +mmsc_flags(Env) -> + case os:getenv(Env) of + false -> false; + V -> case string:str(V, "+MMsc") of + 0 -> false; + P -> Env ++ "=" ++ string:substr(V, P) + end + end. erts_mmap_do(Config, SCO, SCRPM, SCRFSD) -> %% We use the number of schedulers + 1 * approx main carriers size diff --git a/erts/emulator/test/dirty_nif_SUITE.erl b/erts/emulator/test/dirty_nif_SUITE.erl new file mode 100644 index 0000000000..c3afbc0803 --- /dev/null +++ b/erts/emulator/test/dirty_nif_SUITE.erl @@ -0,0 +1,327 @@ +%% +%% %CopyrightBegin% +%% +%% Copyright Ericsson AB 2010-2014. All Rights Reserved. +%% +%% Licensed under the Apache License, Version 2.0 (the "License"); +%% you may not use this file except in compliance with the License. +%% You may obtain a copy of the License at +%% +%% http://www.apache.org/licenses/LICENSE-2.0 +%% +%% Unless required by applicable law or agreed to in writing, software +%% distributed under the License is distributed on an "AS IS" BASIS, +%% WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. +%% See the License for the specific language governing permissions and +%% limitations under the License. +%% +%% %CopyrightEnd% +%% + +-module(dirty_nif_SUITE). + +%%-define(line_trace,true). +-define(CHECK(Exp,Got), check(Exp,Got,?LINE)). +%%-define(CHECK(Exp,Got), Exp = Got). + +-include_lib("common_test/include/ct.hrl"). + +-export([all/0, suite/0, + init_per_suite/1, end_per_suite/1, + init_per_testcase/2, end_per_testcase/2, + dirty_nif/1, dirty_nif_send/1, + dirty_nif_exception/1, call_dirty_nif_exception/1, + dirty_scheduler_exit/1, dirty_call_while_terminated/1, + dirty_heap_access/1]). + +-define(nif_stub,nif_stub_error(?LINE)). + +suite() -> [{ct_hooks,[ts_install_cth]}]. + +all() -> + [dirty_nif, + dirty_nif_send, + dirty_nif_exception, + dirty_scheduler_exit, + dirty_call_while_terminated, + dirty_heap_access]. + +init_per_suite(Config) -> + try erlang:system_info(dirty_cpu_schedulers) of + N when is_integer(N), N > 0 -> + case lib_loaded() of + false -> + ok = erlang:load_nif( + filename:join(?config(data_dir, Config), + "dirty_nif_SUITE"), []); + true -> + ok + end, + Config + catch _:_ -> + {skipped, "No dirty scheduler support"} + end. + +end_per_suite(_Config) -> + ok. + +init_per_testcase(Case, Config) -> + [{testcase, Case} | Config]. + +end_per_testcase(_Case, _Config) -> + ok. + +dirty_nif(Config) when is_list(Config) -> + Val1 = 42, + Val2 = "Erlang", + Val3 = list_to_binary([Val2, 0]), + {Val1, Val2, Val3} = call_dirty_nif(Val1, Val2, Val3), + LargeArray = lists:duplicate(1000, ok), + LargeArray = call_dirty_nif_zero_args(), + ok. + +dirty_nif_send(Config) when is_list(Config) -> + Parent = self(), + Pid = spawn_link(fun() -> + Self = self(), + {ok, Self} = receive_any(), + Parent ! {ok, Self} + end), + {ok, Pid} = send_from_dirty_nif(Pid), + {ok, Pid} = receive_any(), + ok. + +dirty_nif_exception(Config) when is_list(Config) -> + try + %% this checks that the expected exception occurs when the + %% dirty NIF returns the result of enif_make_badarg + %% directly + call_dirty_nif_exception(1), + ct:fail(expected_badarg) + catch + error:badarg -> + [{?MODULE,call_dirty_nif_exception,[1],_}|_] = + erlang:get_stacktrace(), + ok + end, + try + %% this checks that the expected exception occurs when the + %% dirty NIF calls enif_make_badarg at some point but then + %% returns a value that isn't an exception + call_dirty_nif_exception(0), + ct:fail(expected_badarg) + catch + error:badarg -> + [{?MODULE,call_dirty_nif_exception,[0],_}|_] = + erlang:get_stacktrace(), + ok + end, + %% this checks that a dirty NIF can raise various terms as + %% exceptions + ok = nif_raise_exceptions(call_dirty_nif_exception). + +nif_raise_exceptions(NifFunc) -> + ExcTerms = [{error, test}, "a string", <<"a binary">>, + 42, [1,2,3,4,5], [{p,1},{p,2},{p,3}]], + lists:foldl(fun(Term, ok) -> + try + erlang:apply(?MODULE,NifFunc,[Term]), + ct:fail({expected,Term}) + catch + error:Term -> + [{?MODULE,NifFunc,[Term],_}|_] = erlang:get_stacktrace(), + ok + end + end, ok, ExcTerms). + +dirty_scheduler_exit(Config) when is_list(Config) -> + {ok, Node} = start_node(Config, "+SDio 1"), + Path = proplists:get_value(data_dir, Config), + NifLib = filename:join(Path, atom_to_list(?MODULE)), + [ok] = mcall(Node, + [fun() -> + ok = erlang:load_nif(NifLib, []), + Start = erlang:monotonic_time(milli_seconds), + ok = test_dirty_scheduler_exit(), + End = erlang:monotonic_time(milli_seconds), + io:format("Time=~p ms~n", [End-Start]), + ok + end]), + stop_node(Node), + ok. + +test_dirty_scheduler_exit() -> + process_flag(trap_exit,true), + test_dse(10,[]). +test_dse(0,Pids) -> + timer:sleep(100), + kill_dse(Pids,[]); +test_dse(N,Pids) -> + Pid = spawn_link(fun dirty_sleeper/0), + test_dse(N-1,[Pid|Pids]). + +kill_dse([],Killed) -> + wait_dse(Killed); +kill_dse([Pid|Pids],AlreadyKilled) -> + exit(Pid,kill), + kill_dse(Pids,[Pid|AlreadyKilled]). + +wait_dse([]) -> + ok; +wait_dse([Pid|Pids]) -> + receive + {'EXIT',Pid,Reason} -> + killed = Reason + end, + wait_dse(Pids). + +dirty_call_while_terminated(Config) when is_list(Config) -> + Me = self(), + Bin = list_to_binary(lists:duplicate(4711, $r)), + {value, {BinAddr, 4711, 1}} = lists:keysearch(4711, 2, + element(2, + process_info(self(), + binary))), + {Dirty, DM} = spawn_opt(fun () -> + dirty_call_while_terminated_nif(Me), + blipp:blupp(Bin) + end, + [monitor,link]), + receive {dirty_alive, Pid} -> ok end, + {value, {BinAddr, 4711, 2}} = lists:keysearch(4711, 2, + element(2, + process_info(self(), + binary))), + Reason = die_dirty_process, + OT = process_flag(trap_exit, true), + exit(Dirty, Reason), + receive + {'DOWN', DM, process, Dirty, R0} -> + R0 = Reason + end, + receive + {'EXIT', Dirty, R1} -> + R1 = Reason + end, + undefined = process_info(Dirty), + undefined = process_info(Dirty, status), + false = erlang:is_process_alive(Dirty), + false = lists:member(Dirty, processes()), + %% Binary still refered by Dirty process not yet cleaned up + %% since the dirty nif has not yet returned... + {value, {BinAddr, 4711, 2}} = lists:keysearch(4711, 2, + element(2, + process_info(self(), + binary))), + receive after 2000 -> ok end, + receive + Msg -> + ct:fail({unexpected_message, Msg}) + after + 0 -> + ok + end, + {value, {BinAddr, 4711, 1}} = lists:keysearch(4711, 2, + element(2, + process_info(self(), + binary))), + process_flag(trap_exit, OT), + ok. + +dirty_heap_access(Config) when is_list(Config) -> + {ok, Node} = start_node(Config), + Me = self(), + RGL = rpc:call(Node,erlang,whereis,[init]), + Ref = rpc:call(Node,erlang,make_ref,[]), + Dirty = spawn_link(fun () -> + Res = dirty_heap_access_nif(Ref), + garbage_collect(), + Me ! {self(), Res}, + receive after infinity -> ok end + end), + {N, R} = access_dirty_heap(Dirty, RGL, 0, 0), + receive + {Pid, Res} -> + 1000 = length(Res), + lists:foreach(fun (X) -> Ref = X end, Res) + end, + unlink(Dirty), + exit(Dirty, kill), + stop_node(Node), + {comment, integer_to_list(N) ++ " GL change loops; " + ++ integer_to_list(R) ++ " while running dirty"}. + +access_dirty_heap(Dirty, RGL, N, R) -> + case process_info(Dirty, status) of + {status, waiting} -> + {N, R}; + {status, Status} -> + {group_leader, GL} = process_info(Dirty, group_leader), + true = group_leader(RGL, Dirty), + {group_leader, RGL} = process_info(Dirty, group_leader), + true = group_leader(GL, Dirty), + {group_leader, GL} = process_info(Dirty, group_leader), + access_dirty_heap(Dirty, RGL, N+1, case Status of + running -> + R+1; + _ -> + R + end) + end. + +%% +%% Internal... +%% + +receive_any() -> + receive M -> M end. + +start_node(Config) -> + start_node(Config, ""). + +start_node(Config, Args) when is_list(Config) -> + Pa = filename:dirname(code:which(?MODULE)), + Name = list_to_atom(atom_to_list(?MODULE) + ++ "-" + ++ atom_to_list(proplists:get_value(testcase, Config)) + ++ "-" + ++ integer_to_list(erlang:system_time(seconds)) + ++ "-" + ++ integer_to_list(erlang:unique_integer([positive]))), + test_server:start_node(Name, slave, [{args, "-pa "++Pa++" "++Args}]). + +stop_node(Node) -> + test_server:stop_node(Node). + +mcall(Node, Funs) -> + Parent = self(), + Refs = lists:map(fun (Fun) -> + Ref = make_ref(), + spawn_link(Node, + fun () -> + Res = Fun(), + unlink(Parent), + Parent ! {Ref, Res} + end), + Ref + end, Funs), + lists:map(fun (Ref) -> + receive + {Ref, Res} -> + Res + end + end, Refs). + +%% The NIFs: +lib_loaded() -> false. +call_nif_schedule(_,_) -> ?nif_stub. +call_dirty_nif(_,_,_) -> ?nif_stub. +send_from_dirty_nif(_) -> ?nif_stub. +call_dirty_nif_exception(_) -> ?nif_stub. +call_dirty_nif_zero_args() -> ?nif_stub. +dirty_call_while_terminated_nif(_) -> ?nif_stub. +dirty_sleeper() -> ?nif_stub. +dirty_heap_access_nif(_) -> ?nif_stub. + +nif_stub_error(Line) -> + exit({nif_not_loaded,module,?MODULE,line,Line}). diff --git a/erts/emulator/test/dirty_nif_SUITE_data/Makefile.src b/erts/emulator/test/dirty_nif_SUITE_data/Makefile.src new file mode 100644 index 0000000000..e9301753b0 --- /dev/null +++ b/erts/emulator/test/dirty_nif_SUITE_data/Makefile.src @@ -0,0 +1,6 @@ + +NIF_LIBS = dirty_nif_SUITE@dll@ + +all: $(NIF_LIBS) + +@SHLIB_RULES@ diff --git a/erts/emulator/test/dirty_nif_SUITE_data/dirty_nif_SUITE.c b/erts/emulator/test/dirty_nif_SUITE_data/dirty_nif_SUITE.c new file mode 100644 index 0000000000..2013c88167 --- /dev/null +++ b/erts/emulator/test/dirty_nif_SUITE_data/dirty_nif_SUITE.c @@ -0,0 +1,223 @@ +/* + * %CopyrightBegin% + * + * Copyright Ericsson AB 2009-2014. All Rights Reserved. + * + * Licensed under the Apache License, Version 2.0 (the "License"); + * you may not use this file except in compliance with the License. + * You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + * + * %CopyrightEnd% + */ +#include "erl_nif.h" +#include <assert.h> +#ifndef __WIN32__ +#include <unistd.h> +#endif + +static int load(ErlNifEnv* env, void** priv_data, ERL_NIF_TERM load_info) +{ + return 0; +} + +static ERL_NIF_TERM lib_loaded(ErlNifEnv* env, int argc, const ERL_NIF_TERM argv[]) +{ + return enif_make_atom(env, "true"); +} + +static int have_dirty_schedulers(void) +{ + ErlNifSysInfo si; + enif_system_info(&si, sizeof(si)); + return si.dirty_scheduler_support; +} + +static ERL_NIF_TERM dirty_nif(ErlNifEnv* env, int argc, const ERL_NIF_TERM argv[]) +{ + int n; + char s[10]; + ErlNifBinary b; + if (have_dirty_schedulers()) { + assert(enif_is_on_dirty_scheduler(env)); + } + assert(argc == 3); + enif_get_int(env, argv[0], &n); + enif_get_string(env, argv[1], s, sizeof s, ERL_NIF_LATIN1); + enif_inspect_binary(env, argv[2], &b); + return enif_make_tuple3(env, + enif_make_int(env, n), + enif_make_string(env, s, ERL_NIF_LATIN1), + enif_make_binary(env, &b)); +} + +static ERL_NIF_TERM call_dirty_nif(ErlNifEnv* env, int argc, const ERL_NIF_TERM argv[]) +{ + int n; + char s[10]; + ErlNifBinary b; + assert(!enif_is_on_dirty_scheduler(env)); + if (argc != 3) + return enif_make_badarg(env); + if (have_dirty_schedulers()) { + if (enif_get_int(env, argv[0], &n) && + enif_get_string(env, argv[1], s, sizeof s, ERL_NIF_LATIN1) && + enif_inspect_binary(env, argv[2], &b)) + return enif_schedule_nif(env, "call_dirty_nif", ERL_NIF_DIRTY_JOB_CPU_BOUND, dirty_nif, argc, argv); + else + return enif_make_badarg(env); + } else { + return dirty_nif(env, argc, argv); + } +} + +static ERL_NIF_TERM send_from_dirty_nif(ErlNifEnv* env, int argc, const ERL_NIF_TERM argv[]) +{ + ERL_NIF_TERM result; + ErlNifPid pid; + ErlNifEnv* menv; + int res; + + if (!enif_get_local_pid(env, argv[0], &pid)) + return enif_make_badarg(env); + result = enif_make_tuple2(env, enif_make_atom(env, "ok"), enif_make_pid(env, &pid)); + menv = enif_alloc_env(); + res = enif_send(env, &pid, menv, result); + enif_free_env(menv); + if (!res) + return enif_make_badarg(env); + else + return result; +} + +static ERL_NIF_TERM call_dirty_nif_exception(ErlNifEnv* env, int argc, const ERL_NIF_TERM argv[]) +{ + switch (argc) { + case 1: { + int arg; + if (enif_get_int(env, argv[0], &arg) && arg < 2) { + ERL_NIF_TERM args[255]; + int i; + args[0] = argv[0]; + for (i = 1; i < 255; i++) + args[i] = enif_make_int(env, i); + return enif_schedule_nif(env, "call_dirty_nif_exception", ERL_NIF_DIRTY_JOB_CPU_BOUND, + call_dirty_nif_exception, 255, args); + } else { + return enif_raise_exception(env, argv[0]); + } + } + case 2: { + int return_badarg_directly; + enif_get_int(env, argv[0], &return_badarg_directly); + assert(return_badarg_directly == 1 || return_badarg_directly == 0); + if (return_badarg_directly) + return enif_make_badarg(env); + else { + /* ignore return value */ enif_make_badarg(env); + return enif_make_atom(env, "ok"); + } + } + default: + return enif_schedule_nif(env, "call_dirty_nif_exception", ERL_NIF_DIRTY_JOB_CPU_BOUND, + call_dirty_nif_exception, argc-1, argv); + } +} + +static ERL_NIF_TERM call_dirty_nif_zero_args(ErlNifEnv* env, int argc, const ERL_NIF_TERM argv[]) +{ + int i; + ERL_NIF_TERM result[1000]; + ERL_NIF_TERM ok = enif_make_atom(env, "ok"); + assert(argc == 0); + for (i = 0; i < sizeof(result)/sizeof(*result); i++) { + result[i] = ok; + } + return enif_make_list_from_array(env, result, i); +} + +static ERL_NIF_TERM +dirty_sleeper(ErlNifEnv* env, int argc, const ERL_NIF_TERM argv[]) +{ + assert(enif_is_on_dirty_scheduler(env)); +#ifdef __WIN32__ + Sleep(6000); +#else + sleep(6); +#endif + return enif_make_atom(env, "ok"); +} + +static ERL_NIF_TERM dirty_call_while_terminated_nif(ErlNifEnv* env, int argc, const ERL_NIF_TERM argv[]) +{ + ErlNifPid self; + ERL_NIF_TERM result, self_term; + ErlNifPid to; + ErlNifEnv* menv; + int res; + + if (!enif_get_local_pid(env, argv[0], &to)) + return enif_make_badarg(env); + + if (!enif_self(env, &self)) + return enif_make_badarg(env); + + self_term = enif_make_pid(env, &self); + + result = enif_make_tuple2(env, enif_make_atom(env, "dirty_alive"), self_term); + menv = enif_alloc_env(); + res = enif_send(env, &to, menv, result); + enif_free_env(menv); + if (!res) + return enif_make_badarg(env); + + /* Wait until we have been killed */ + while (enif_is_process_alive(env, &self)) + ; + + result = enif_make_tuple2(env, enif_make_atom(env, "dirty_dead"), self_term); + menv = enif_alloc_env(); + res = enif_send(env, &to, menv, result); + enif_free_env(menv); + +#ifdef __WIN32__ + Sleep(1000); +#else + sleep(1); +#endif + + return enif_make_atom(env, "ok"); +} + +static ERL_NIF_TERM dirty_heap_access_nif(ErlNifEnv* env, int argc, const ERL_NIF_TERM argv[]) +{ + ERL_NIF_TERM res = enif_make_list(env, 0); + int i; + assert(enif_is_on_dirty_scheduler(env)); + for (i = 0; i < 1000; i++) + res = enif_make_list_cell(env, enif_make_copy(env, argv[0]), res); + + return res; +} + + +static ErlNifFunc nif_funcs[] = +{ + {"lib_loaded", 0, lib_loaded}, + {"call_dirty_nif", 3, call_dirty_nif}, + {"send_from_dirty_nif", 1, send_from_dirty_nif, ERL_NIF_DIRTY_JOB_CPU_BOUND}, + {"call_dirty_nif_exception", 1, call_dirty_nif_exception, ERL_NIF_DIRTY_JOB_IO_BOUND}, + {"call_dirty_nif_zero_args", 0, call_dirty_nif_zero_args, ERL_NIF_DIRTY_JOB_CPU_BOUND}, + {"dirty_sleeper", 0, dirty_sleeper, ERL_NIF_DIRTY_JOB_IO_BOUND}, + {"dirty_call_while_terminated_nif", 1, dirty_call_while_terminated_nif, ERL_NIF_DIRTY_JOB_CPU_BOUND}, + {"dirty_heap_access_nif", 1, dirty_heap_access_nif, ERL_NIF_DIRTY_JOB_CPU_BOUND} +}; + +ERL_NIF_INIT(dirty_nif_SUITE,nif_funcs,load,NULL,NULL,NULL) diff --git a/erts/emulator/test/gc_SUITE.erl b/erts/emulator/test/gc_SUITE.erl index 79c229a34d..8a600b7d9f 100644 --- a/erts/emulator/test/gc_SUITE.erl +++ b/erts/emulator/test/gc_SUITE.erl @@ -25,13 +25,13 @@ -include_lib("common_test/include/ct.hrl"). -export([all/0, suite/0]). --export([grow_heap/1, grow_stack/1, grow_stack_heap/1]). +-export([grow_heap/1, grow_stack/1, grow_stack_heap/1, max_heap_size/1]). suite() -> [{ct_hooks,[ts_install_cth]}]. all() -> - [grow_heap, grow_stack, grow_stack_heap]. + [grow_heap, grow_stack, grow_stack_heap, max_heap_size]. %% Produce a growing list of elements, @@ -163,3 +163,30 @@ show_heap(String) -> {stack_size, SSize}=process_info(self(), stack_size), io:format("Heap/Stack "++String++"~p/~p", [HSize, SSize]). +%% Test that doing a remote GC that triggers the max heap size +%% kills the process. +max_heap_size(_Config) -> + + Pid = spawn_opt(fun long_receive/0,[{max_heap_size, 1024}, + {message_queue_data, on_heap}]), + [Pid ! lists:duplicate(I,I) || I <- lists:seq(1,100)], + Ref = erlang:monitor(process, Pid), + + %% Force messages to be viewed as part of heap + erlang:process_info(Pid, messages), + + %% Do the GC that triggers max heap + erlang:garbage_collect(Pid), + + %% Verify that max heap was triggered + receive + {'DOWN', Ref, process, Pid, killed} -> ok + after 5000 -> + ct:fail({process_did_not_die, Pid, erlang:process_info(Pid)}) + end. + +long_receive() -> + receive + after 10000 -> + ok + end. diff --git a/erts/emulator/test/nif_SUITE.erl b/erts/emulator/test/nif_SUITE.erl index a7767132ee..a0e9f1bad6 100644 --- a/erts/emulator/test/nif_SUITE.erl +++ b/erts/emulator/test/nif_SUITE.erl @@ -38,15 +38,15 @@ is_checks/1, get_length/1, make_atom/1, make_string/1, reverse_list_test/1, otp_9828/1, - otp_9668/1, consume_timeslice/1, dirty_nif/1, dirty_nif_send/1, - dirty_nif_exception/1, call_dirty_nif_exception/1, nif_schedule/1, + otp_9668/1, consume_timeslice/1, nif_schedule/1, nif_exception/1, call_nif_exception/1, nif_nan_and_inf/1, nif_atom_too_long/1, nif_monotonic_time/1, nif_time_offset/1, nif_convert_time_unit/1, nif_now_time/1, nif_cpu_time/1, nif_unique_integer/1, nif_is_process_alive/1, nif_is_port_alive/1, nif_term_to_binary/1, nif_binary_to_term/1, - nif_port_command/1 + nif_port_command/1, + nif_snprintf/1 ]). -export([many_args_100/100]). @@ -75,14 +75,13 @@ all() -> make_string,reverse_list_test, otp_9828, otp_9668, consume_timeslice, - nif_schedule, dirty_nif, dirty_nif_send, dirty_nif_exception, - nif_exception, nif_nan_and_inf, nif_atom_too_long, + nif_schedule, nif_exception, nif_nan_and_inf, nif_atom_too_long, nif_monotonic_time, nif_time_offset, nif_convert_time_unit, nif_now_time, nif_cpu_time, nif_unique_integer, nif_is_process_alive, nif_is_port_alive, nif_term_to_binary, nif_binary_to_term, - nif_port_command - ]. + nif_port_command, + nif_snprintf]. init_per_testcase(_Case, Config) -> Config. @@ -1541,76 +1540,6 @@ nif_schedule(Config) when is_list(Config) -> end, ok. -dirty_nif(Config) when is_list(Config) -> - try erlang:system_info(dirty_cpu_schedulers) of - N when is_integer(N) -> - ensure_lib_loaded(Config), - Val1 = 42, - Val2 = "Erlang", - Val3 = list_to_binary([Val2, 0]), - {Val1, Val2, Val3} = call_dirty_nif(Val1, Val2, Val3), - LargeArray = lists:duplicate(1000, ok), - LargeArray = call_dirty_nif_zero_args(), - ok - catch - error:badarg -> - {skipped,"No dirty scheduler support"} - end. - -dirty_nif_send(Config) when is_list(Config) -> - try erlang:system_info(dirty_cpu_schedulers) of - N when is_integer(N) -> - ensure_lib_loaded(Config), - Parent = self(), - Pid = spawn_link(fun() -> - Self = self(), - {ok, Self} = receive_any(), - Parent ! {ok, Self} - end), - {ok, Pid} = send_from_dirty_nif(Pid), - {ok, Pid} = receive_any(), - ok - catch - error:badarg -> - {skipped,"No dirty scheduler support"} - end. - -dirty_nif_exception(Config) when is_list(Config) -> - try erlang:system_info(dirty_cpu_schedulers) of - N when is_integer(N) -> - ensure_lib_loaded(Config), - try - %% this checks that the expected exception occurs when the - %% dirty NIF returns the result of enif_make_badarg - %% directly - call_dirty_nif_exception(1), - ct:fail(expected_badarg) - catch - error:badarg -> - [{?MODULE,call_dirty_nif_exception,[1],_}|_] = - erlang:get_stacktrace(), - ok - end, - try - %% this checks that the expected exception occurs when the - %% dirty NIF calls enif_make_badarg at some point but then - %% returns a value that isn't an exception - call_dirty_nif_exception(0), - ct:fail(expected_badarg) - catch - error:badarg -> - [{?MODULE,call_dirty_nif_exception,[0],_}|_] = - erlang:get_stacktrace(), - ok - end, - %% this checks that a dirty NIF can raise various terms as - %% exceptions - ok = nif_raise_exceptions(call_dirty_nif_exception) - catch - error:badarg -> - {skipped,"No dirty scheduler support"} - end. - nif_exception(Config) when is_list(Config) -> ensure_lib_loaded(Config), try @@ -2024,9 +1953,18 @@ nif_port_command(Config) -> port_close(Port), {'EXIT', {badarg, _}} = (catch port_command_nif(Port, "hello\n")), + ok. +nif_snprintf(Config) -> + ensure_lib_loaded(Config), + <<"ok",0>> = format_term_nif(3,ok), + <<"o",0>> = format_term_nif(2,ok), + <<"\"hello world\"",0>> = format_term_nif(14,"hello world"), + <<"{{hello,world,-33},3.14",_/binary>> = format_term_nif(50,{{hello,world, -33}, 3.14, self()}), + <<"{{hello,world,-33},",0>> = format_term_nif(20,{{hello,world, -33}, 3.14, self()}), ok. + %% The NIFs: lib_version() -> undefined. call_history() -> ?nif_stub. @@ -2078,10 +2016,6 @@ otp_9668_nif(_) -> ?nif_stub. otp_9828_nif(_) -> ?nif_stub. consume_timeslice_nif(_,_) -> ?nif_stub. call_nif_schedule(_,_) -> ?nif_stub. -call_dirty_nif(_,_,_) -> ?nif_stub. -send_from_dirty_nif(_) -> ?nif_stub. -call_dirty_nif_exception(_) -> ?nif_stub. -call_dirty_nif_zero_args() -> ?nif_stub. call_nif_exception(_) -> ?nif_stub. call_nif_nan_or_inf(_) -> ?nif_stub. call_nif_atom_too_long(_) -> ?nif_stub. @@ -2091,6 +2025,7 @@ is_port_alive_nif(_) -> ?nif_stub. term_to_binary_nif(_, _) -> ?nif_stub. binary_to_term_nif(_, _, _) -> ?nif_stub. port_command_nif(_, _) -> ?nif_stub. +format_term_nif(_,_) -> ?nif_stub. %% maps is_map_nif(_) -> ?nif_stub. diff --git a/erts/emulator/test/nif_SUITE_data/nif_SUITE.c b/erts/emulator/test/nif_SUITE_data/nif_SUITE.c index 11e5dab58e..13846244d4 100644 --- a/erts/emulator/test/nif_SUITE_data/nif_SUITE.c +++ b/erts/emulator/test/nif_SUITE_data/nif_SUITE.c @@ -23,6 +23,9 @@ #include <string.h> #include <assert.h> #include <limits.h> +#ifndef __WIN32__ +#include <unistd.h> +#endif #include "nif_mod.h" @@ -1574,120 +1577,6 @@ static ERL_NIF_TERM call_nif_schedule(ErlNifEnv* env, int argc, const ERL_NIF_TE return result; } -#ifdef ERL_NIF_DIRTY_SCHEDULER_SUPPORT - -static int have_dirty_schedulers(void) -{ - ErlNifSysInfo si; - enif_system_info(&si, sizeof(si)); - return si.dirty_scheduler_support; -} - -static ERL_NIF_TERM dirty_nif(ErlNifEnv* env, int argc, const ERL_NIF_TERM argv[]) -{ - int n; - char s[10]; - ErlNifBinary b; - ERL_NIF_TERM result; - if (have_dirty_schedulers()) { - assert(enif_is_on_dirty_scheduler(env)); - } - assert(argc == 3); - enif_get_int(env, argv[0], &n); - enif_get_string(env, argv[1], s, sizeof s, ERL_NIF_LATIN1); - enif_inspect_binary(env, argv[2], &b); - return enif_make_tuple3(env, - enif_make_int(env, n), - enif_make_string(env, s, ERL_NIF_LATIN1), - enif_make_binary(env, &b)); -} - -static ERL_NIF_TERM call_dirty_nif(ErlNifEnv* env, int argc, const ERL_NIF_TERM argv[]) -{ - int n; - char s[10]; - ErlNifBinary b; - assert(!enif_is_on_dirty_scheduler(env)); - if (argc != 3) - return enif_make_badarg(env); - if (have_dirty_schedulers()) { - if (enif_get_int(env, argv[0], &n) && - enif_get_string(env, argv[1], s, sizeof s, ERL_NIF_LATIN1) && - enif_inspect_binary(env, argv[2], &b)) - return enif_schedule_nif(env, "call_dirty_nif", ERL_NIF_DIRTY_JOB_CPU_BOUND, dirty_nif, argc, argv); - else - return enif_make_badarg(env); - } else { - return dirty_nif(env, argc, argv); - } -} - -static ERL_NIF_TERM send_from_dirty_nif(ErlNifEnv* env, int argc, const ERL_NIF_TERM argv[]) -{ - ERL_NIF_TERM result; - ErlNifPid pid; - ErlNifEnv* menv; - int res; - - if (!enif_get_local_pid(env, argv[0], &pid)) - return enif_make_badarg(env); - result = enif_make_tuple2(env, enif_make_atom(env, "ok"), enif_make_pid(env, &pid)); - menv = enif_alloc_env(); - res = enif_send(env, &pid, menv, result); - enif_free_env(menv); - if (!res) - return enif_make_badarg(env); - else - return result; -} - -static ERL_NIF_TERM call_dirty_nif_exception(ErlNifEnv* env, int argc, const ERL_NIF_TERM argv[]) -{ - switch (argc) { - case 1: { - int arg; - if (enif_get_int(env, argv[0], &arg) && arg < 2) { - ERL_NIF_TERM args[255]; - int i; - args[0] = argv[0]; - for (i = 1; i < 255; i++) - args[i] = enif_make_int(env, i); - return enif_schedule_nif(env, "call_dirty_nif_exception", ERL_NIF_DIRTY_JOB_CPU_BOUND, - call_dirty_nif_exception, 255, args); - } else { - return enif_raise_exception(env, argv[0]); - } - } - case 2: { - int return_badarg_directly; - enif_get_int(env, argv[0], &return_badarg_directly); - assert(return_badarg_directly == 1 || return_badarg_directly == 0); - if (return_badarg_directly) - return enif_make_badarg(env); - else { - /* ignore return value */ enif_make_badarg(env); - return enif_make_atom(env, "ok"); - } - } - default: - return enif_schedule_nif(env, "call_dirty_nif_exception", ERL_NIF_DIRTY_JOB_CPU_BOUND, - call_dirty_nif_exception, argc-1, argv); - } -} - -static ERL_NIF_TERM call_dirty_nif_zero_args(ErlNifEnv* env, int argc, const ERL_NIF_TERM argv[]) -{ - int i; - ERL_NIF_TERM result[1000]; - ERL_NIF_TERM ok = enif_make_atom(env, "ok"); - assert(argc == 0); - for (i = 0; i < sizeof(result)/sizeof(*result); i++) { - result[i] = ok; - } - return enif_make_list_from_array(env, result, i); -} -#endif - /* * If argv[0] is the integer 0, call enif_make_badarg, but don't return its * return value. Instead, return ok. Result should still be a badarg @@ -2109,6 +1998,23 @@ static ERL_NIF_TERM port_command(ErlNifEnv* env, int argc, const ERL_NIF_TERM ar return atom_true; } +static ERL_NIF_TERM format_term(ErlNifEnv* env, int argc, const ERL_NIF_TERM argv[]) +{ + ErlNifBinary obin; + unsigned int size; + + if (!enif_get_uint(env, argv[0], &size)) + return enif_make_badarg(env); + if (!enif_alloc_binary(size,&obin)) + return enif_make_badarg(env); + + if (enif_snprintf((char*)obin.data, (size_t)size, "%T", argv[1]) < 0) + return atom_false; + + return enif_make_binary(env,&obin); +} + + static ErlNifFunc nif_funcs[] = { {"lib_version", 0, lib_version}, @@ -2162,12 +2068,6 @@ static ErlNifFunc nif_funcs[] = {"otp_9828_nif", 1, otp_9828_nif}, {"consume_timeslice_nif", 2, consume_timeslice_nif}, {"call_nif_schedule", 2, call_nif_schedule}, -#ifdef ERL_NIF_DIRTY_SCHEDULER_SUPPORT - {"call_dirty_nif", 3, call_dirty_nif}, - {"send_from_dirty_nif", 1, send_from_dirty_nif, ERL_NIF_DIRTY_JOB_CPU_BOUND}, - {"call_dirty_nif_exception", 1, call_dirty_nif_exception, ERL_NIF_DIRTY_JOB_IO_BOUND}, - {"call_dirty_nif_zero_args", 0, call_dirty_nif_zero_args, ERL_NIF_DIRTY_JOB_CPU_BOUND}, -#endif {"call_nif_exception", 1, call_nif_exception}, {"call_nif_nan_or_inf", 1, call_nif_nan_or_inf}, {"call_nif_atom_too_long", 1, call_nif_atom_too_long}, @@ -2190,7 +2090,8 @@ static ErlNifFunc nif_funcs[] = {"is_port_alive_nif", 1, is_port_alive}, {"term_to_binary_nif", 2, term_to_binary}, {"binary_to_term_nif", 3, binary_to_term}, - {"port_command_nif", 2, port_command} + {"port_command_nif", 2, port_command}, + {"format_term_nif", 2, format_term} }; ERL_NIF_INIT(nif_SUITE,nif_funcs,load,reload,upgrade,unload) diff --git a/erts/emulator/test/port_trace_SUITE.erl b/erts/emulator/test/port_trace_SUITE.erl index bfdea0761b..5d9a75bcd3 100644 --- a/erts/emulator/test/port_trace_SUITE.erl +++ b/erts/emulator/test/port_trace_SUITE.erl @@ -31,7 +31,8 @@ failure_atom/1, failure_posix/1, failure/1, output_term/1, driver_output_term/1, - send_term/1, driver_send_term/1]). + send_term/1, driver_send_term/1, + driver_remote_send_term/1]). -define(ECHO_DRV_NOOP, 0). -define(ECHO_DRV_OUTPUT, 1). @@ -48,6 +49,7 @@ -define(ECHO_DRV_SEND_TERM, 12). -define(ECHO_DRV_DRIVER_SEND_TERM, 13). -define(ECHO_DRV_SAVE_CALLER, 14). +-define(ECHO_DRV_REMOTE_SEND_TERM, 15). suite() -> [{ct_hooks,[ts_install_cth]}, {timetrap, {seconds, 30}}]. @@ -60,7 +62,8 @@ all() -> failure_atom, failure_posix, failure, output_term, driver_output_term, - send_term, driver_send_term]. + send_term, driver_send_term, + driver_remote_send_term]. init_per_suite(Config) -> Config. @@ -75,6 +78,13 @@ end_per_group(_GroupName, Config) -> Config. +init_per_testcase(driver_remote_send_term, Config) -> + case erlang:system_info(smp_support) of + false -> + {skip,"Only supported on smp systems"}; + true -> + init_per_testcase(driver_remote_send_term_smp, Config) + end; init_per_testcase(Func, Config) when is_atom(Func), is_list(Config) -> erlang:trace(all, false, [all]), os:unsetenv("OUTPUTV"), @@ -543,6 +553,34 @@ driver_send_term(_Config) -> ok. +%% Test that driver_send_term from non-scheduler thread does not +%% generate trace messages. +driver_remote_send_term(_Config) -> + + Flags = [send], + {Prt, S} = trace_and_open(Flags,[binary]), + + erlang:port_command(Prt, <<?ECHO_DRV_REMOTE_SEND_TERM, 123456:32>>), + recv({echo, Prt, <<123456:32>>}), + [] = flush(), + + Pid = spawn_link( + fun() -> + erlang:port_command(Prt, <<?ECHO_DRV_SAVE_CALLER>>), + S ! ok, + receive M -> S ! M end + end), + recv(ok), + erlang:trace(Pid, true, ['receive']), + + erlang:port_command(Prt, <<?ECHO_DRV_REMOTE_SEND_TERM, 123456:32>>), + recv({echo, Prt, <<123456:32>>}), + [{trace, Pid, 'receive', {echo, Prt, <<123456:32>>}}] = flush(), + + close(Prt, Flags), + + ok. + %%%%%%%%%%%%%%%%%%% %% Helper functions %%%%%%%%%%%%%%%%%%% @@ -598,7 +636,7 @@ f(From) -> end. recv(Msg) -> - receive Msg -> ok after 100 -> ct:fail({did_not_get_data,Msg,flush()}) end. + receive Msg -> ok after 1000 -> ct:fail({did_not_get_data,Msg,flush()}) end. load_drv(Config) -> Path = proplists:get_value(data_dir, Config), diff --git a/erts/emulator/test/port_trace_SUITE_data/echo_drv.c b/erts/emulator/test/port_trace_SUITE_data/echo_drv.c index b5ae9389b4..b545523192 100644 --- a/erts/emulator/test/port_trace_SUITE_data/echo_drv.c +++ b/erts/emulator/test/port_trace_SUITE_data/echo_drv.c @@ -14,6 +14,13 @@ typedef struct _erl_drv_data { ErlDrvTermData caller; } EchoDrvData; +struct remote_send_term { + char *buf; + int len; + ErlDrvTermData port; + ErlDrvTermData caller; +}; + #define ECHO_DRV_NOOP 0 #define ECHO_DRV_OUTPUT 1 #define ECHO_DRV_OUTPUT2 2 @@ -29,6 +36,7 @@ typedef struct _erl_drv_data { #define ECHO_DRV_SEND_TERM 12 #define ECHO_DRV_DRIVER_SEND_TERM 13 #define ECHO_DRV_SAVE_CALLER 14 +#define ECHO_DRV_REMOTE_SEND_TERM 15 /* ------------------------------------------------------------------------- @@ -78,6 +86,8 @@ static ErlDrvEntry echo_drv_entry = { NULL }; +static void send_term_thread(void *); + /* ------------------------------------------------------------------------- ** Entry functions **/ @@ -200,6 +210,18 @@ static void echo_drv_output(ErlDrvData drv_data, char *buf, ErlDrvSizeT len) { } break; } + case ECHO_DRV_REMOTE_SEND_TERM: + { + ErlDrvTid tid; + struct remote_send_term *t = malloc(sizeof(struct remote_send_term)); + t->len = len-1; + t->buf = malloc(len-1); + t->port = driver_mk_port(port); + t->caller = data_p->caller; + memcpy(t->buf, buf+1, t->len); + erl_drv_thread_create("tmp_thread", &tid, send_term_thread, t, NULL); + break; + } case ECHO_DRV_SAVE_CALLER: data_p->caller = driver_caller(port); break; @@ -239,3 +261,17 @@ static ErlDrvSSizeT echo_drv_call(ErlDrvData drv_data, memcpy(*rbuf, buf+command, len-command); return len-command; } + +static void send_term_thread(void *a) +{ + struct remote_send_term *t = (struct remote_send_term*)a; + ErlDrvTermData term[] = { + ERL_DRV_ATOM, driver_mk_atom("echo"), + ERL_DRV_PORT, t->port, + ERL_DRV_BUF2BINARY, (ErlDrvTermData)(t->buf), + (ErlDrvTermData)(t->len), + ERL_DRV_TUPLE, 3}; + erl_drv_send_term(t->port, t->caller, + term, sizeof(term) / sizeof(ErlDrvTermData)); + return; +} diff --git a/erts/emulator/test/process_SUITE.erl b/erts/emulator/test/process_SUITE.erl index 61a68f9759..eaa4026a8a 100644 --- a/erts/emulator/test/process_SUITE.erl +++ b/erts/emulator/test/process_SUITE.erl @@ -46,7 +46,7 @@ process_status_exiting/1, otp_4725/1, bad_register/1, garbage_collect/1, otp_6237/1, process_info_messages/1, process_flag_badarg/1, process_flag_heap_size/1, - spawn_opt_heap_size/1, + spawn_opt_heap_size/1, spawn_opt_max_heap_size/1, processes_large_tab/1, processes_default_tab/1, processes_small_tab/1, processes_this_tab/1, processes_apply_trap/1, processes_last_call_trap/1, processes_gc_trap/1, @@ -60,7 +60,7 @@ system_task_on_suspended/1, gc_request_when_gc_disabled/1, gc_request_blast_when_gc_disabled/1]). --export([prio_server/2, prio_client/2]). +-export([prio_server/2, prio_client/2, init/1, handle_event/2]). -export([init_per_testcase/2, end_per_testcase/2]). @@ -84,7 +84,8 @@ all() -> bump_reductions, low_prio, yield, yield2, otp_4725, bad_register, garbage_collect, process_info_messages, process_flag_badarg, process_flag_heap_size, - spawn_opt_heap_size, otp_6237, {group, processes_bif}, + spawn_opt_heap_size, spawn_opt_max_heap_size, otp_6237, + {group, processes_bif}, {group, otp_7738}, garb_other_running, {group, system_task}]. @@ -425,6 +426,8 @@ t_process_info(Config) when is_list(Config) -> {status, running} = process_info(self(), status), {min_heap_size, 233} = process_info(self(), min_heap_size), {min_bin_vheap_size,46422} = process_info(self(), min_bin_vheap_size), + {max_heap_size, #{ size := 0, kill := true, error_logger := true}} = + process_info(self(), max_heap_size), {current_function,{?MODULE,t_process_info,1}} = process_info(self(), current_function), {current_function,{?MODULE,t_process_info,1}} = @@ -564,6 +567,8 @@ process_info_other_msg(Config) when is_list(Config) -> {min_heap_size, 233} = process_info(Pid, min_heap_size), {min_bin_vheap_size, 46422} = process_info(Pid, min_bin_vheap_size), + {max_heap_size, #{ size := 0, kill := true, error_logger := true}} = + process_info(self(), max_heap_size), Pid ! stop, ok. @@ -914,10 +919,14 @@ process_info_garbage_collection(_Config) -> Parent = self(), Pid = spawn_link( fun() -> + %% We set mqd to off_heap and send an tuple + %% to process in order to force mbuf_size + %% to be used + process_flag(message_queue_data, off_heap), receive go -> ok end, (fun F(0) -> Parent ! deep, - receive ok -> ok end, + receive {ok,_} -> ok end, []; F(N) -> timer:sleep(1), @@ -926,31 +935,52 @@ process_info_garbage_collection(_Config) -> Parent ! shallow, receive done -> ok end end), - {garbage_collection_info, Before} = - erlang:process_info(Pid, garbage_collection_info), + [{garbage_collection_info, Before},{total_heap_size, THSBefore}] = + erlang:process_info(Pid, [garbage_collection_info, total_heap_size]), Pid ! go, receive deep -> ok end, - {_, Deep} = erlang:process_info(Pid, garbage_collection_info), - Pid ! ok, receive shallow -> ok end, - {_, After} = erlang:process_info(Pid, garbage_collection_info), + [{_, Deep},{_,THSDeep}] = + erlang:process_info(Pid, [garbage_collection_info, total_heap_size]), + Pid ! {ok, make_ref()}, receive shallow -> ok end, + [{_, After},{_, THSAfter}] = + erlang:process_info(Pid, [garbage_collection_info, total_heap_size]), Pid ! done, %% Do some general checks to see if everything seems to be roughly correct ct:log("Before: ~p",[Before]), ct:log("Deep: ~p",[Deep]), ct:log("After: ~p",[After]), + ct:log("Before THS: ~p",[THSBefore]), + ct:log("Deep THS: ~p",[THSDeep]), + ct:log("After THS: ~p",[THSAfter]), %% Check stack_size - true = proplists:get_value(stack_size, Before) < proplists:get_value(stack_size, Deep), - true = proplists:get_value(stack_size, After) < proplists:get_value(stack_size, Deep), + true = gv(stack_size, Before) < gv(stack_size, Deep), + true = gv(stack_size, After) < gv(stack_size, Deep), %% Check used heap size - true = proplists:get_value(heap_size, Before) + proplists:get_value(old_heap_size, Before) - < proplists:get_value(heap_size, Deep) + proplists:get_value(old_heap_size, Deep), - true = proplists:get_value(heap_size, Before) + proplists:get_value(old_heap_size, Before) - < proplists:get_value(heap_size, After) + proplists:get_value(old_heap_size, After), + true = gv(heap_size, Before) + gv(old_heap_size, Before) + < gv(heap_size, Deep) + gv(old_heap_size, Deep), + true = gv(heap_size, Before) + gv(old_heap_size, Before) + < gv(heap_size, After) + gv(old_heap_size, After), + + %% Check that total_heap_size == heap_block_size + old_heap_block_size + mbuf_size + THSBefore = gv(heap_block_size, Before) + + gv(old_heap_block_size, Before) + + gv(mbuf_size, Before), + + THSDeep = gv(heap_block_size, Deep) + + gv(old_heap_block_size, Deep) + + gv(mbuf_size, Deep), + + THSAfter = gv(heap_block_size, After) + + gv(old_heap_block_size, After) + + gv(mbuf_size, After), ok. +gv(Key,List) -> + proplists:get_value(Key,List). + %% Tests erlang:bump_reductions/1. bump_reductions(Config) when is_list(Config) -> erlang:garbage_collect(), @@ -1323,6 +1353,28 @@ process_flag_badarg(Config) when is_list(Config) -> chk_badarg(fun () -> process_flag(min_heap_size, gurka) end), chk_badarg(fun () -> process_flag(min_bin_vheap_size, gurka) end), chk_badarg(fun () -> process_flag(min_bin_vheap_size, -1) end), + + chk_badarg(fun () -> process_flag(max_heap_size, gurka) end), + chk_badarg(fun () -> process_flag(max_heap_size, -1) end), + chk_badarg(fun () -> + {_,Min} = process_info(self(), min_heap_size), + process_flag(max_heap_size, Min - 1) + end), + chk_badarg(fun () -> + {_,Min} = process_info(self(), min_heap_size), + process_flag(max_heap_size, #{size => Min - 1}) + end), + chk_badarg(fun () -> process_flag(max_heap_size, #{}) end), + chk_badarg(fun () -> process_flag(max_heap_size, #{ kill => true }) end), + chk_badarg(fun () -> process_flag(max_heap_size, #{ size => 233, + kill => gurka }) end), + chk_badarg(fun () -> process_flag(max_heap_size, #{ size => 233, + error_logger => gurka }) end), + chk_badarg(fun () -> process_flag(max_heap_size, #{ size => 233, + kill => true, + error_logger => gurka }) end), + chk_badarg(fun () -> process_flag(max_heap_size, #{ size => 1 bsl 64 }) end), + chk_badarg(fun () -> process_flag(priority, 4711) end), chk_badarg(fun () -> process_flag(save_calls, hmmm) end), P= spawn_link(fun () -> receive die -> ok end end), @@ -1923,6 +1975,110 @@ spawn_opt_heap_size(Config) when is_list(Config) -> Pid ! stop, ok. +spawn_opt_max_heap_size(_Config) -> + + error_logger:add_report_handler(?MODULE, self()), + + %% Test that numerical limit works + max_heap_size_test(1024, 1024, true, true), + + %% Test that map limit works + max_heap_size_test(#{ size => 1024 }, 1024, true, true), + + %% Test that no kill is sent + max_heap_size_test(#{ size => 1024, kill => false }, 1024, false, true), + + %% Test that no error_logger report is sent + max_heap_size_test(#{ size => 1024, error_logger => false }, 1024, true, false), + + %% Test that system_flag works + erlang:system_flag(max_heap_size, #{ size => 0, kill => false, + error_logger => true}), + max_heap_size_test(#{ size => 1024 }, 1024, false, true), + max_heap_size_test(#{ size => 1024, kill => true }, 1024, true, true), + + erlang:system_flag(max_heap_size, #{ size => 0, kill => true, + error_logger => false}), + max_heap_size_test(#{ size => 1024 }, 1024, true, false), + max_heap_size_test(#{ size => 1024, error_logger => true }, 1024, true, true), + + erlang:system_flag(max_heap_size, #{ size => 1 bsl 20, kill => true, + error_logger => true}), + max_heap_size_test(#{ }, 1 bsl 20, true, true), + + erlang:system_flag(max_heap_size, #{ size => 0, kill => true, + error_logger => true}), + + %% Test that ordinary case works as expected again + max_heap_size_test(1024, 1024, true, true), + + ok. + +max_heap_size_test(Option, Size, Kill, ErrorLogger) + when map_size(Option) == 0 -> + max_heap_size_test([], Size, Kill, ErrorLogger); +max_heap_size_test(Option, Size, Kill, ErrorLogger) + when is_map(Option); is_integer(Option) -> + max_heap_size_test([{max_heap_size, Option}], Size, Kill, ErrorLogger); +max_heap_size_test(Option, Size, Kill, ErrorLogger) -> + OomFun = fun F() -> timer:sleep(5),[lists:seq(1,1000)|F()] end, + Pid = spawn_opt(OomFun, Option), + {max_heap_size, MHSz} = erlang:process_info(Pid, max_heap_size), + ct:log("Default: ~p~nOption: ~p~nProc: ~p~n", + [erlang:system_info(max_heap_size), Option, MHSz]), + + #{ size := Size} = MHSz, + + Ref = erlang:monitor(process, Pid), + if Kill -> + receive + {'DOWN', Ref, process, Pid, killed} -> + ok + end; + true -> + ok + end, + if ErrorLogger -> + receive + {error, _, {emulator, _, [Pid|_]}} -> + ok + end; + true -> + ok + end, + if not Kill -> + exit(Pid, die), + receive + {'DOWN', Ref, process, Pid, die} -> + ok + end, + flush(); + true -> + ok + end, + receive + M -> + ct:fail({unexpected_message, M}) + after 10 -> + ok + end. + +flush() -> + receive + _M -> + flush() + after 1000 -> + ok + end. + +%% error_logger report handler proxy +init(Pid) -> + {ok, Pid}. + +handle_event(Event, Pid) -> + Pid ! Event, + {ok, Pid}. + processes_term_proc_list(Config) when is_list(Config) -> Tester = self(), as_expected = processes_term_proc_list_test(false), diff --git a/erts/emulator/test/scheduler_SUITE.erl b/erts/emulator/test/scheduler_SUITE.erl index 6b49b68ec8..f18d79d770 100644 --- a/erts/emulator/test/scheduler_SUITE.erl +++ b/erts/emulator/test/scheduler_SUITE.erl @@ -57,7 +57,6 @@ scheduler_suspend_basic/1, scheduler_suspend/1, dirty_scheduler_threads/1, - dirty_scheduler_exit/1, reader_groups/1]). suite() -> @@ -72,7 +71,7 @@ all() -> bound_process, {group, scheduler_bind}, scheduler_threads, scheduler_suspend_basic, scheduler_suspend, - dirty_scheduler_threads, dirty_scheduler_exit, + dirty_scheduler_threads, reader_groups]. groups() -> @@ -1162,53 +1161,6 @@ get_dsstate(Config, Cmd) -> stop_node(Node), {DSCPU, DSCPUOnln, DSIO}. -dirty_scheduler_exit(Config) when is_list(Config) -> - try - erlang:system_info(dirty_cpu_schedulers), - dirty_scheduler_exit_test(Config) - catch - error:badarg -> - {skipped, "No dirty scheduler support"} - end. - -dirty_scheduler_exit_test(Config) -> - {ok, Node} = start_node(Config, "+SDio 1"), - [ok] = mcall(Node, - [fun() -> - Path = proplists:get_value(data_dir, Config), - Lib = atom_to_list(?MODULE), - ok = erlang:load_nif(filename:join(Path,Lib), []), - ok = test_dirty_scheduler_exit() - end]), - stop_node(Node), - ok. - -test_dirty_scheduler_exit() -> - process_flag(trap_exit,true), - test_dse(10,[]). -test_dse(0,Pids) -> - timer:sleep(100), - kill_dse(Pids,[]); -test_dse(N,Pids) -> - Pid = spawn_link(fun dirty_sleeper/0), - test_dse(N-1,[Pid|Pids]). -kill_dse([],Killed) -> - wait_dse(Killed); -kill_dse([Pid|Pids],AlreadyKilled) -> - exit(Pid,kill), - kill_dse(Pids,[Pid|AlreadyKilled]). -wait_dse([]) -> - ok; -wait_dse([Pid|Pids]) -> - receive - {'EXIT',Pid,killed} -> - ok - end, - wait_dse(Pids). - -dirty_sleeper() -> - erlang:nif_error({error,?MODULE}). - scheduler_suspend_basic(Config) when is_list(Config) -> case erlang:system_info(multi_scheduling) of disabled -> diff --git a/erts/emulator/test/scheduler_SUITE_data/Makefile.src b/erts/emulator/test/scheduler_SUITE_data/Makefile.src deleted file mode 100644 index 859112cf19..0000000000 --- a/erts/emulator/test/scheduler_SUITE_data/Makefile.src +++ /dev/null @@ -1,8 +0,0 @@ - -SCHEDULER_LIBS = scheduler_SUITE@dll@ - -all: $(SCHEDULER_LIBS) - -@SHLIB_RULES@ - -$(SCHEDULER_LIBS): scheduler_SUITE.c diff --git a/erts/emulator/test/scheduler_SUITE_data/scheduler_SUITE.c b/erts/emulator/test/scheduler_SUITE_data/scheduler_SUITE.c deleted file mode 100644 index ab4863337f..0000000000 --- a/erts/emulator/test/scheduler_SUITE_data/scheduler_SUITE.c +++ /dev/null @@ -1,37 +0,0 @@ -#ifndef __WIN32__ -#include <unistd.h> -#endif -#include "erl_nif.h" - -static int -load(ErlNifEnv* env, void** priv, ERL_NIF_TERM info) -{ - ErlNifSysInfo sys_info; - enif_system_info(&sys_info, sizeof(ErlNifSysInfo)); - if (!sys_info.smp_support || !sys_info.dirty_scheduler_support) - return 1; - return 0; -} - -static ERL_NIF_TERM -dirty_sleeper(ErlNifEnv* env, int argc, const ERL_NIF_TERM argv[]) -{ -#ifdef ERL_NIF_DIRTY_SCHEDULER_SUPPORT -#ifdef __WIN32__ - Sleep(3000); -#else - sleep(3); -#endif -#endif - return enif_make_atom(env, "ok"); -} - -static ErlNifFunc funcs[] = { -#ifdef ERL_NIF_DIRTY_SCHEDULER_SUPPORT - {"dirty_sleeper", 0, dirty_sleeper, ERL_NIF_DIRTY_JOB_IO_BOUND} -#else - {"dirty_sleeper", 0, dirty_sleeper, 0} -#endif -}; - -ERL_NIF_INIT(scheduler_SUITE, funcs, &load, NULL, NULL, NULL); diff --git a/erts/emulator/test/trace_bif_SUITE.erl b/erts/emulator/test/trace_bif_SUITE.erl index 8c3ffccc45..491b37ae46 100644 --- a/erts/emulator/test/trace_bif_SUITE.erl +++ b/erts/emulator/test/trace_bif_SUITE.erl @@ -232,6 +232,7 @@ do_trace_bif_return(TsType, TsFlags) -> {?MODULE, bif_process,0}}, Ts11, TsType), check_ts(TsType, Ts12, make_ts(TsType)), + erlang:trace_pattern({erlang,'_','_'}, false, [local]), ok. diff --git a/erts/emulator/test/tracer_SUITE.erl b/erts/emulator/test/tracer_SUITE.erl index de44d6656a..20fb7e475e 100644 --- a/erts/emulator/test/tracer_SUITE.erl +++ b/erts/emulator/test/tracer_SUITE.erl @@ -44,6 +44,8 @@ groups() -> gc_start, gc_end]}]. init_per_suite(Config) -> + erlang:trace_pattern({'_','_','_'}, false, [local]), + erlang:trace_pattern({'_','_','_'}, false, []), purge(), Config. @@ -119,23 +121,24 @@ unload(_Config) -> end, 1 = erlang:trace(Pid, true, [{tracer, tracer_test, - {#{ call => trace}, self(), []}}, + {#{ call => trace }, self(), []}}, call]), 1 = erlang:trace_pattern({?MODULE, all, 0}, [], []), Tc(1), - receive _ -> ok after 0 -> ct:fail(timeout) end, + receive _M -> ok after 0 -> ct:fail(timeout) end, + receive M0 -> ct:fail({unexpected_message0, M0}) after 0 -> ok end, code:purge(tracer_test), code:delete(tracer_test), Tc(1), - receive M1 -> ct:fail({unexpected_message, M1}) after 0 -> ok end, + receive M1 -> ct:fail({unexpected_message1, M1}) after 0 -> ok end, code:purge(tracer_test), Tc(1), - receive M2 -> ct:fail({unexpected_message, M2}) after 0 -> ok end, + receive M2 -> ct:fail({unexpected_message2, M2}) after 0 -> ok end, ok. @@ -167,13 +170,19 @@ reload(_Config) -> false = code:purge(tracer_test), true = code:delete(tracer_test), - false = code:purge(tracer_test) + false = code:purge(tracer_test), + timer:sleep(10) end || _ <- lists:seq(1,15)], ok. reload_loop() -> ?MODULE:all(), + ?MODULE:all(), + ?MODULE:all(), + ?MODULE:all(), + ?MODULE:all(), + timer:sleep(1), reload_loop(). invalid_tracers(_Config) -> @@ -214,7 +223,7 @@ send(_Config) -> Expect = fun(Pid, State, EOpts) -> receive Msg -> - {Pid, send, State, Pid, ok, Self, Opts} = Msg, + {send, State, Pid, ok, Self, Opts} = Msg, check_opts(EOpts, Opts) end end, @@ -230,7 +239,7 @@ recv(_Config) -> Expect = fun(Pid, State, EOpts) -> receive Msg -> - {undefined, 'receive', State, Pid, ok, undefined, Opts} = Msg, + {'receive', State, Pid, ok, undefined, Opts} = Msg, check_opts(EOpts, Opts) end end, @@ -247,14 +256,14 @@ spawn(_Config) -> fun(Pid, State, EOpts) -> receive Msg -> - {Pid, spawn, State, Pid, NewPid, + {spawn, State, Pid, NewPid, {lists,seq,[1,10]}, Opts} = Msg, check_opts(EOpts, Opts), true = is_pid(NewPid) andalso NewPid /= Pid end end, - test(spawn, procs, Tc, Expect, true). + test(spawn, procs, Tc, Expect, false). exit(_Config) -> Tc = fun(Pid) -> @@ -265,7 +274,7 @@ exit(_Config) -> fun(Pid, State, EOpts) -> receive Msg -> - {Pid, exit, State, Pid, normal, undefined, Opts} = Msg, + {exit, State, Pid, normal, undefined, Opts} = Msg, check_opts(EOpts, Opts) end end, @@ -286,13 +295,13 @@ link(_Config) -> fun(Pid, State, EOpts) -> receive Msg -> - {Pid, link, State, Pid, NewPid, undefined, Opts} = Msg, + {link, State, Pid, NewPid, undefined, Opts} = Msg, check_opts(EOpts, Opts), true = is_pid(NewPid) andalso NewPid /= Pid end end, - test(link, procs, Tc, Expect, true). + test(link, procs, Tc, Expect, false). unlink(_Config) -> @@ -309,13 +318,13 @@ unlink(_Config) -> fun(Pid, State, EOpts) -> receive Msg -> - {Pid, unlink, State, Pid, NewPid, undefined, Opts} = Msg, + {unlink, State, Pid, NewPid, undefined, Opts} = Msg, check_opts(EOpts, Opts), true = is_pid(NewPid) andalso NewPid /= Pid end end, - test(unlink, procs, Tc, Expect, true). + test(unlink, procs, Tc, Expect, false). getting_linked(_Config) -> @@ -331,7 +340,7 @@ getting_linked(_Config) -> fun(Pid, State, EOpts) -> receive Msg -> - {NewPid, getting_linked, State, Pid, NewPid, undefined, Opts} = Msg, + {getting_linked, State, Pid, NewPid, undefined, Opts} = Msg, check_opts(EOpts, Opts), true = is_pid(NewPid) andalso NewPid /= Pid end @@ -355,7 +364,7 @@ getting_unlinked(_Config) -> fun(Pid, State, EOpts) -> receive Msg -> - {NewPid, getting_unlinked, State, Pid, NewPid, undefined, Opts} = Msg, + {getting_unlinked, State, Pid, NewPid, undefined, Opts} = Msg, check_opts(EOpts, Opts), true = is_pid(NewPid) andalso NewPid /= Pid end @@ -377,12 +386,12 @@ register(_Config) -> fun(Pid, State, EOpts) -> receive Msg -> - {Pid, register, State, Pid, ?MODULE, undefined, Opts} = Msg, + {register, State, Pid, ?MODULE, undefined, Opts} = Msg, check_opts(EOpts, Opts) end end, - test(register, procs, Tc, Expect, true). + test(register, procs, Tc, Expect, false). unregister(_Config) -> @@ -398,18 +407,18 @@ unregister(_Config) -> fun(Pid, State, EOpts) -> receive Msg -> - {Pid, unregister, State, Pid, ?MODULE, undefined, Opts} = Msg, + {unregister, State, Pid, ?MODULE, undefined, Opts} = Msg, check_opts(EOpts, Opts) end end, - test(unregister, procs, Tc, Expect, true). + test(unregister, procs, Tc, Expect, false). in(_Config) -> Tc = fun(Pid) -> Self = self(), - Pid ! fun() -> receive after 1 -> Self ! ok end end, + Pid ! fun() -> receive after 10 -> Self ! ok end end, receive ok -> ok end end, @@ -418,7 +427,7 @@ in(_Config) -> N = (fun F(N) -> receive Msg -> - {Pid, in, State, Pid, _, + {in, State, Pid, _, undefined, Opts} = Msg, check_opts(EOpts, Opts), F(N+1) @@ -428,7 +437,7 @@ in(_Config) -> true = N > 0 end, - test(in, running, Tc, Expect, true). + test(in, running, Tc, Expect, false). out(_Config) -> Tc = fun(Pid) -> @@ -443,7 +452,7 @@ out(_Config) -> N = (fun F(N) -> receive Msg -> - {Pid, out, State, Pid, _, + {out, State, Pid, _, undefined, Opts} = Msg, check_opts(EOpts, Opts), F(N+1) @@ -453,7 +462,7 @@ out(_Config) -> true = N > 0 end, - test(out, running, Tc, Expect, true, true). + test(out, running, Tc, Expect, false, true). gc_start(_Config) -> @@ -468,12 +477,12 @@ gc_start(_Config) -> fun(Pid, State, EOpts) -> receive Msg -> - {Pid, gc_major_start, State, Pid, _, undefined, Opts} = Msg, + {gc_major_start, State, Pid, _, undefined, Opts} = Msg, check_opts(EOpts, Opts) end end, - test(gc_major_start, garbage_collection, Tc, Expect, true). + test(gc_major_start, garbage_collection, Tc, Expect, false). gc_end(_Config) -> @@ -488,20 +497,20 @@ gc_end(_Config) -> fun(Pid, State, EOpts) -> receive Msg -> - {Pid, gc_major_end, State, Pid, _, undefined, Opts} = Msg, + {gc_major_end, State, Pid, _, undefined, Opts} = Msg, check_opts(EOpts, Opts) end end, - test(gc_major_end, garbage_collection, Tc, Expect, true). + test(gc_major_end, garbage_collection, Tc, Expect, false). test(Event, Tc, Expect) -> - test(Event, Tc, Expect, true). + test(Event, Tc, Expect, false). test(Event, Tc, Expect, Removes) -> test(Event, Event, Tc, Expect, Removes). test(Event, TraceFlag, Tc, Expect, Removes) -> test(Event, TraceFlag, Tc, Expect, Removes, false). -test(Event, TraceFlag, Tc, Expect, Removes, Dies) -> +test(Event, TraceFlag, Tc, Expect, _Removes, Dies) -> ComplexState = {fun() -> ok end, <<0:(128*8)>>}, Opts = #{ timestamp => undefined, @@ -557,25 +566,6 @@ test(Event, TraceFlag, Tc, Expect, Removes, Dies) -> ok end, - %% Test that remove works - Pid3 = start_tracee(), - State3 = {#{ Event => remove }, self(), ComplexState}, - 1 = erlang:trace(Pid3, true, [TraceFlag, {tracer, tracer_test, State3}]), - Tc(Pid3), - ok = trace_delivered(Pid3), - receive M3 -> ct:fail({unexpected, M3}) after 0 -> ok end, - if not Dies -> - if Removes -> - {flags, []} = erlang:trace_info(Pid3, flags), - {tracer, []} = erlang:trace_info(Pid3, tracer); - true -> - {flags, [TraceFlag]} = erlang:trace_info(Pid3, flags), - {tracer, {tracer_test, State3}} = erlang:trace_info(Pid3, tracer) - end, - erlang:trace(Pid3, false, [TraceFlag]); - true -> - ok - end, ok. check_opts(#{ scheduler_id := number } = E, #{ scheduler_id := N } = O) diff --git a/erts/emulator/test/tracer_SUITE_data/tracer_test.c b/erts/emulator/test/tracer_SUITE_data/tracer_test.c index 8b4be1345d..908f35da9c 100644 --- a/erts/emulator/test/tracer_SUITE_data/tracer_test.c +++ b/erts/emulator/test/tracer_SUITE_data/tracer_test.c @@ -104,16 +104,10 @@ static ERL_NIF_TERM trace(ErlNifEnv* env, int argc, const ERL_NIF_TERM argv[]) enif_get_tuple(env, argv[1], &state_arity, &state_tuple); - tuple = enif_alloc(sizeof(ERL_NIF_TERM)*(argc+1)); - memcpy(tuple+1,argv,sizeof(ERL_NIF_TERM)*argc); + tuple = enif_alloc(sizeof(ERL_NIF_TERM)*(argc)); + memcpy(tuple,argv,sizeof(ERL_NIF_TERM)*argc); - if (enif_self(env, &self)) { - tuple[0] = enif_make_pid(env, &self); - } else { - tuple[0] = enif_make_atom(env, "undefined"); - } - - msg = enif_make_tuple_from_array(env, tuple, argc + 1); + msg = enif_make_tuple_from_array(env, tuple, argc); enif_get_local_pid(env, state_tuple[1], &to); enif_send(env, &to, NULL, msg); enif_free(tuple); diff --git a/erts/epmd/test/epmd_SUITE.erl b/erts/epmd/test/epmd_SUITE.erl index 763984267a..0f0a5acde7 100644 --- a/erts/epmd/test/epmd_SUITE.erl +++ b/erts/epmd/test/epmd_SUITE.erl @@ -23,64 +23,58 @@ % Timeout for test cases (rather long to work on slow machines) --define(SHORT_TEST_TIMEOUT, ?t:seconds(30)). % Default --define(MEDIUM_TEST_TIMEOUT, ?t:minutes(3)). --define(LONG_TEST_TIMEOUT, ?t:minutes(10)). +-define(MEDIUM_TEST_TIMEOUT, {minutes,3}). +-define(LONG_TEST_TIMEOUT, {minutes,10}). % Delay inserted into code -define(SHORT_PAUSE, 100). --define(MEDIUM_PAUSE, ?t:seconds(1)). --define(LONG_PAUSE, ?t:seconds(5)). +-define(MEDIUM_PAUSE, 1000). +-define(LONG_PAUSE, 5000). % Information about nodes -record(node_info, {port, node_type, prot, lvsn, hvsn, node_name, extra}). % Test server specific exports --export([all/0, suite/0,groups/0,init_per_suite/1, end_per_suite/1, - init_per_group/2,end_per_group/2, - init_per_testcase/2, end_per_testcase/2]). - --export( - [ - register_name/1, - register_name_ipv6/1, - register_names_1/1, - register_names_2/1, - register_duplicate_name/1, - unicode_name/1, - long_unicode_name/1, - get_port_nr/1, - slow_get_port_nr/1, - unregister_others_name_1/1, - unregister_others_name_2/1, - register_overflow/1, - name_with_null_inside/1, - name_null_terminated/1, - stupid_names_req/1, - - no_data/1, - one_byte/1, - two_bytes/1, - partial_packet/1, - zero_length/1, - too_large/1, - alive_req_too_small_1/1, - alive_req_too_small_2/1, - alive_req_too_large/1, - - returns_valid_empty_extra/1, - returns_valid_populated_extra_with_nulls/1, - - names_stdout/1, - - buffer_overrun_1/1, - buffer_overrun_2/1, - no_nonlocal_register/1, - no_nonlocal_kill/1, - no_live_killing/1, - - socket_reset_before_alive2_reply_is_written/1 - ]). +-export([all/0, suite/0, groups/0, init_per_testcase/2, end_per_testcase/2]). + +-export([register_name/1, + register_name_ipv6/1, + register_names_1/1, + register_names_2/1, + register_duplicate_name/1, + unicode_name/1, + long_unicode_name/1, + get_port_nr/1, + slow_get_port_nr/1, + unregister_others_name_1/1, + unregister_others_name_2/1, + register_overflow/1, + name_with_null_inside/1, + name_null_terminated/1, + stupid_names_req/1, + + no_data/1, + one_byte/1, + two_bytes/1, + partial_packet/1, + zero_length/1, + too_large/1, + alive_req_too_small_1/1, + alive_req_too_small_2/1, + alive_req_too_large/1, + + returns_valid_empty_extra/1, + returns_valid_populated_extra_with_nulls/1, + + names_stdout/1, + + buffer_overrun_1/1, + buffer_overrun_2/1, + no_nonlocal_register/1, + no_nonlocal_kill/1, + no_live_killing/1, + + socket_reset_before_alive2_reply_is_written/1]). % Port we use for testing @@ -88,7 +82,7 @@ -define(EPMDARGS,"-packet_timeout 1"). -define(DUMMY_PORT, 1000). % Port number to register - % not in real use. +% not in real use. % Timeouts etc inside test cases. Time is in milliseconds. -define(CONN_RETRY, 4). % Times to retry connecting @@ -111,7 +105,9 @@ %% all/1 %% -suite() -> [{ct_hooks,[ts_install_cth]}]. +suite() -> + [{ct_hooks,[ts_install_cth]}, + {timetrap, ?MEDIUM_TEST_TIMEOUT}]. all() -> [register_name, register_name_ipv6, @@ -134,105 +130,71 @@ groups() -> [{buffer_overrun, [], [buffer_overrun_1, buffer_overrun_2]}]. -init_per_suite(Config) -> - Config. - -end_per_suite(_Config) -> - ok. - -init_per_group(_GroupName, Config) -> - Config. - -end_per_group(_GroupName, Config) -> - Config. - - %% %% Run before and after each test case %% init_per_testcase(_Func, Config) -> - Dog = test_server:timetrap(?MEDIUM_TEST_TIMEOUT), cleanup(), - [{watchdog, Dog} | Config]. + Config. -end_per_testcase(_Func, Config) -> +end_per_testcase(_Func, _Config) -> cleanup(), - Dog = ?config(watchdog, Config), - catch test_server:timetrap_cancel(Dog), % We may have canceled already ok. %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% -register_name(doc) -> - ["Register a name"]; -register_name(suite) -> - []; +%% Register a name register_name(Config) when is_list(Config) -> - ?line ok = epmdrun(), - ?line {ok,Sock} = register_node("foobar"), - ?line ok = close(Sock), % Unregister + ok = epmdrun(), + {ok,Sock} = register_node("foobar"), + ok = close(Sock), % Unregister ok. -register_name_ipv6(doc) -> - ["Register a name over IPv6"]; -register_name_ipv6(suite) -> - []; +%% Register a name over IPv6 register_name_ipv6(Config) when is_list(Config) -> % Test if the host has an IPv6 loopback address Res = gen_tcp:listen(0, [inet6, {ip, {0,0,0,0,0,0,0,1}}]), case Res of - {ok,LSock} -> - gen_tcp:close(LSock), - ?line ok = epmdrun(), - ?line {ok,Sock} = register_node6("foobar6"), - ?line ok = close(Sock), % Unregister - ok; - _Error -> - {skip, "Host does not have an IPv6 loopback address"} + {ok,LSock} -> + gen_tcp:close(LSock), + ok = epmdrun(), + {ok,Sock} = register_node6("foobar6"), + ok = close(Sock), % Unregister + ok; + _Error -> + {skip, "Host does not have an IPv6 loopback address"} end. -register_names_1(doc) -> - ["Register and unregister two nodes"]; -register_names_1(suite) -> - []; +%% Register and unregister two nodes register_names_1(Config) when is_list(Config) -> - ?line ok = epmdrun(), - ?line {ok,Sock1} = register_node("foobar"), - ?line {ok,Sock2} = register_node("foozap"), - ?line ok = close(Sock1), % Unregister - ?line ok = close(Sock2), % Unregister + ok = epmdrun(), + {ok,Sock1} = register_node("foobar"), + {ok,Sock2} = register_node("foozap"), + ok = close(Sock1), % Unregister + ok = close(Sock2), % Unregister ok. -register_names_2(doc) -> - ["Register and unregister two nodes"]; -register_names_2(suite) -> - []; +%% Register and unregister two nodes register_names_2(Config) when is_list(Config) -> - ?line ok = epmdrun(), - ?line {ok,Sock1} = register_node("foobar"), - ?line {ok,Sock2} = register_node("foozap"), - ?line ok = close(Sock2), % Unregister - ?line ok = close(Sock1), % Unregister + ok = epmdrun(), + {ok,Sock1} = register_node("foobar"), + {ok,Sock2} = register_node("foozap"), + ok = close(Sock2), % Unregister + ok = close(Sock1), % Unregister ok. -register_duplicate_name(doc) -> - ["Two nodes with the same name"]; -register_duplicate_name(suite) -> - []; +%% Two nodes with the same name register_duplicate_name(Config) when is_list(Config) -> - ?line ok = epmdrun(), - ?line {ok,Sock} = register_node("foobar"), - ?line error = register_node("foobar"), - ?line ok = close(Sock), % Unregister + ok = epmdrun(), + {ok,Sock} = register_node("foobar"), + error = register_node("foobar"), + ok = close(Sock), % Unregister ok. %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% -unicode_name(doc) -> - ["Check that we can register and lookup a unicode name"]; -unicode_name(suite) -> - []; +%% Check that we can register and lookup a unicode name unicode_name(Config) when is_list(Config) -> ok = epmdrun(), NodeName = [16#1f608], @@ -244,10 +206,7 @@ unicode_name(Config) when is_list(Config) -> %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% -long_unicode_name(doc) -> - ["Check that we can register and lookup a long unicode name"]; -long_unicode_name(suite) -> - []; +%% Check that we can register and lookup a long unicode name long_unicode_name(Config) when is_list(Config) -> ok = epmdrun(), BaseChar = 16#1f600, @@ -273,101 +232,85 @@ register_node_v2(Port, NodeType, Prot, HVsn, LVsn, Name, Extra) -> register_node_v2(Addr, Port, NodeType, Prot, HVsn, LVsn, Name, Extra) -> Req = alive2_req(Port, NodeType, Prot, HVsn, LVsn, Name, Extra), case send_req(Req, Addr) of - {ok,Sock} -> - case recv(Sock,4) of - {ok, [?EPMD_ALIVE2_RESP,_Res=0,_C0,_C1]} -> - {ok,Sock}; - Other -> - test_server:format("recv on sock ~w: ~p~n", - [Sock,Other]), - error - end; - error -> - error + {ok,Sock} -> + case recv(Sock,4) of + {ok, [?EPMD_ALIVE2_RESP,_Res=0,_C0,_C1]} -> + {ok,Sock}; + Other -> + io:format("recv on sock ~w: ~p~n", [Sock,Other]), + error + end; + error -> + error end. % Internal function to fetch information about a node port_please_v2(Name) -> case send_req([?EPMD_PORT_PLEASE2_REQ, - binary_to_list(unicode:characters_to_binary(Name))]) of - {ok,Sock} -> - case recv_until_sock_closes(Sock) of - {ok, Resp} -> - parse_port2_resp(Resp); - Other -> - test_server:format("recv on sock ~w: ~p~n", - [Sock,Other]), - error - end; - error -> - error + binary_to_list(unicode:characters_to_binary(Name))]) of + {ok,Sock} -> + case recv_until_sock_closes(Sock) of + {ok, Resp} -> + parse_port2_resp(Resp); + Other -> + io:format("recv on sock ~w: ~p~n", [Sock,Other]), + error + end; + error -> + error end. parse_port2_resp(Resp) -> case list_to_binary(Resp) of - <<?EPMD_PORT2_RESP,Res,Port:16,NodeType,Prot,HVsn:16,LVsn:16, - NLen:16,NodeName:NLen/binary, - ELen:16,Extra:ELen/binary>> when Res =:= 0 -> - {ok, #node_info{port=Port,node_type=NodeType,prot=Prot, - hvsn=HVsn,lvsn=LVsn, - node_name=unicode:characters_to_list(NodeName), - extra=binary_to_list(Extra)}}; - _Other -> - test_server:format("invalid port2 resp: ~p~n", - [Resp]), - error + <<?EPMD_PORT2_RESP,Res,Port:16,NodeType,Prot,HVsn:16,LVsn:16, + NLen:16,NodeName:NLen/binary, + ELen:16,Extra:ELen/binary>> when Res =:= 0 -> + {ok, #node_info{port=Port,node_type=NodeType,prot=Prot, + hvsn=HVsn,lvsn=LVsn, + node_name=unicode:characters_to_list(NodeName), + extra=binary_to_list(Extra)}}; + _Other -> + io:format("invalid port2 resp: ~p~n", [Resp]), + error end. %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% -name_with_null_inside(doc) -> - ["Register a name with a null char in it"]; -name_with_null_inside(suite) -> - []; +%% Register a name with a null char in it name_with_null_inside(Config) when is_list(Config) -> - ?line ok = epmdrun(), - ?line error = register_node("foo\000bar"), + ok = epmdrun(), + error = register_node("foo\000bar"), ok. %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% -name_null_terminated(doc) -> - ["Register a name with terminating null byte"]; -name_null_terminated(suite) -> - []; +%% Register a name with terminating null byte name_null_terminated(Config) when is_list(Config) -> - ?line ok = epmdrun(), - ?line error = register_node("foobar\000"), + ok = epmdrun(), + error = register_node("foobar\000"), ok. %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% -stupid_names_req(doc) -> - ["Read names from epmd in a stupid way"]; -stupid_names_req(suite) -> - []; +%% Read names from epmd in a stupid way stupid_names_req(Config) when is_list(Config) -> - Dog = ?config(watchdog, Config), - test_server:timetrap_cancel(Dog), - LongDog = test_server:timetrap(?MEDIUM_TEST_TIMEOUT), - ?line ok = epmdrun(), - ?line [FirstConn | Conn] = register_many(1, ?REG_REPEAT_LIM, "foo"), - ?line unregister_many([FirstConn]), + ok = epmdrun(), + [FirstConn | Conn] = register_many(1, ?REG_REPEAT_LIM, "foo"), + unregister_many([FirstConn]), sleep(?MEDIUM_PAUSE), - ?line ok = check_names(Conn), - ?line ok = unregister_many(Conn), - test_server:timetrap_cancel(LongDog), + ok = check_names(Conn), + ok = unregister_many(Conn), ok. check_names(Conn) -> - ?line {ok,Sock} = connect_active(), - ?line {ok,Reply} = do_get_names(Sock), - ?line SortConn = lists:sort(Conn), - ?line SortReply = lists:sort(Reply), - ?line ok = check_names_cmp(SortConn, SortReply), + {ok,Sock} = connect_active(), + {ok,Reply} = do_get_names(Sock), + SortConn = lists:sort(Conn), + SortReply = lists:sort(Reply), + ok = check_names_cmp(SortConn, SortReply), ok. - + % Compare if the result was the same as was registered @@ -381,43 +324,43 @@ check_names_cmp([{Name,Port,_Sock} | Conn], [{Name,Port} | Reply]) -> -define(int16(X), [(X bsr 8) band 16#ff, X band 16#ff]). -define(u32(X1,X2,X3,X4), - (((X1) bsl 24) bor ((X2) bsl 16) bor ((X3) bsl 8) bor X4)). + (((X1) bsl 24) bor ((X2) bsl 16) bor ((X3) bsl 8) bor X4)). do_get_names(Socket) -> inet_tcp:send(Socket, [?int16(1),?EPMD_NAMES_REQ]), receive - {tcp, Socket, [P0,P1,P2,P3 | T]} -> - EpmdPort = ?u32(P0,P1,P2,P3), - if EpmdPort == ?PORT -> - names_loop(Socket, T, []); - true -> - close(Socket), - {error, address} - end; - {tcp_closed, Socket} -> - {ok, []} + {tcp, Socket, [P0,P1,P2,P3 | T]} -> + EpmdPort = ?u32(P0,P1,P2,P3), + if EpmdPort == ?PORT -> + names_loop(Socket, T, []); + true -> + close(Socket), + {error, address} + end; + {tcp_closed, Socket} -> + {ok, []} end. names_loop(Socket, Acc, Ps) -> receive - {tcp, Socket, Bytes} -> - {NAcc, NPs} = scan_names(Acc ++ Bytes, Ps), - names_loop(Socket, NAcc, NPs); - {tcp_closed, Socket} -> - {_, NPs} = scan_names(Acc, Ps), % Really needed? - {ok, NPs} + {tcp, Socket, Bytes} -> + {NAcc, NPs} = scan_names(Acc ++ Bytes, Ps), + names_loop(Socket, NAcc, NPs); + {tcp_closed, Socket} -> + {_, NPs} = scan_names(Acc, Ps), % Really needed? + {ok, NPs} end. scan_names(Buf, Ps) -> case scan_line(Buf, []) of - {Line, NBuf} -> - case parse_line(Line) of - {ok, Entry} -> - scan_names(NBuf, [Entry | Ps]); - error -> - scan_names(NBuf, Ps) - end; - [] -> {Buf, Ps} + {Line, NBuf} -> + case parse_line(Line) of + {ok, Entry} -> + scan_names(NBuf, [Entry | Ps]); + error -> + scan_names(NBuf, Ps) + end; + [] -> {Buf, Ps} end. scan_line([$\n | Buf], Line) -> {lists:reverse(Line), Buf}; @@ -426,16 +369,16 @@ scan_line([], _) -> []. parse_line([$n,$a,$m,$e,$ | Buf0]) -> case parse_name(Buf0, []) of - {Name, Buf1} -> - case Buf1 of - [$a,$t,$ ,$p,$o,$r,$t,$ | Buf2] -> - case catch list_to_integer(Buf2) of - {'EXIT', _} -> error; - Port -> {ok, {Name, Port}} - end; - _ -> error - end; - error -> error + {Name, Buf1} -> + case Buf1 of + [$a,$t,$ ,$p,$o,$r,$t,$ | Buf2] -> + case catch list_to_integer(Buf2) of + {'EXIT', _} -> error; + Port -> {ok, {Name, Port}} + end; + _ -> error + end; + error -> error end; parse_line(_) -> error. @@ -447,17 +390,11 @@ parse_name([], _Name) -> error. %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% -get_port_nr(doc) -> - ["Register a name on a port and ask about port nr"]; -get_port_nr(suite) -> - []; +%% Register a name on a port and ask about port nr get_port_nr(Config) when is_list(Config) -> port_request([?EPMD_PORT_PLEASE2_REQ,"foo"]). -slow_get_port_nr(doc) -> - ["Register with slow write and ask about port nr"]; -slow_get_port_nr(suite) -> - []; +%% Register with slow write and ask about port nr slow_get_port_nr(Config) when is_list(Config) -> port_request([?EPMD_PORT_PLEASE2_REQ,d,$f,d,$o,d,$o]). @@ -465,142 +402,127 @@ slow_get_port_nr(Config) when is_list(Config) -> % Internal function used above port_request(M) -> - ?line ok = epmdrun(), + ok = epmdrun(), Port = 1042, - ?line {ok,RSock} = register_node("foo", Port), - ?line {ok,Sock} = connect(), - ?line ok = send(Sock,[size16(M),M]), - ?line case recv_until_sock_closes(Sock) of - {ok, Resp} -> - ?line close(RSock), - ?line {ok,Rec} = parse_port2_resp(Resp), - ?line Port = Rec#node_info.port, - ok; - Other -> - ?line close(RSock), - ?line test_server:format("recv on sock ~w: ~p~n", - [Sock,Other]), - ?line throw({error,Other}) - end, + {ok,RSock} = register_node("foo", Port), + {ok,Sock} = connect(), + ok = send(Sock,[size16(M),M]), + case recv_until_sock_closes(Sock) of + {ok, Resp} -> + close(RSock), + {ok,Rec} = parse_port2_resp(Resp), + Port = Rec#node_info.port, + ok; + Other -> + close(RSock), + io:format("recv on sock ~w: ~p~n", [Sock,Other]), + throw({error,Other}) + end, ok. %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% -unregister_others_name_1(doc) -> - ["Unregister name of other node"]; -unregister_others_name_1(suite) -> - []; +%% Unregister name of other node unregister_others_name_1(Config) when is_list(Config) -> - ?line ok = epmdrun("-relaxed_command_check"), - ?line {ok,RSock} = register_node("foo"), - ?line {ok,Sock} = connect(), + ok = epmdrun("-relaxed_command_check"), + {ok,RSock} = register_node("foo"), + {ok,Sock} = connect(), M = [?EPMD_STOP_REQ,"foo"], - ?line ok = send(Sock,[size16(M),M]), + ok = send(Sock,[size16(M),M]), R = "STOPPED", - ?line {ok,R} = recv(Sock,length(R)), - ?line ok = close(RSock), + {ok,R} = recv(Sock,length(R)), + ok = close(RSock), ok. %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% -unregister_others_name_2(doc) -> - ["Unregister name of other node"]; -unregister_others_name_2(suite) -> - []; +%% Unregister name of other node unregister_others_name_2(Config) when is_list(Config) -> - ?line ok = epmdrun("-relaxed_command_check"), - ?line {ok,Sock} = connect(), + ok = epmdrun("-relaxed_command_check"), + {ok,Sock} = connect(), M = [?EPMD_STOP_REQ,"xxx42"], - ?line ok = send(Sock,[size16(M),M]), + ok = send(Sock,[size16(M),M]), R = "NOEXIST", - ?line {ok,R} = recv(Sock,length(R)), + {ok,R} = recv(Sock,length(R)), ok. %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% -register_overflow(doc) -> - ["Register too many, clean and redo 10 times"]; -register_overflow(suite) -> - []; +%% Register too many, clean and redo 10 times register_overflow(Config) when is_list(Config) -> - Dog = ?config(watchdog, Config), - test_server:timetrap_cancel(Dog), - LongDog = test_server:timetrap(?LONG_TEST_TIMEOUT), - ?line ok = epmdrun(), - ?line Conn = register_many(1, ?REG_REPEAT_LIM, "foo"), + ct:timetrap(?LONG_TEST_TIMEOUT), + ok = epmdrun(), + Conn = register_many(1, ?REG_REPEAT_LIM, "foo"), Count = length(Conn), - ?line ok = unregister_many(Conn), + ok = unregister_many(Conn), sleep(?MEDIUM_PAUSE), - test_server:format("Limit was ~w names, now reg/unreg all 10 times~n", - [Count]), - ?line ok = register_repeat(Count), + io:format("Limit was ~w names, now reg/unreg all 10 times~n", [Count]), + ok = register_repeat(Count), sleep(?MEDIUM_PAUSE), - ?line ok = rregister_repeat(Count), + ok = rregister_repeat(Count), sleep(?MEDIUM_PAUSE), - ?line ok = register_repeat(Count), + ok = register_repeat(Count), sleep(?MEDIUM_PAUSE), - ?line ok = rregister_repeat(Count), + ok = rregister_repeat(Count), sleep(?MEDIUM_PAUSE), - ?line ok = register_repeat(Count), + ok = register_repeat(Count), sleep(?MEDIUM_PAUSE), - ?line ok = rregister_repeat(Count), + ok = rregister_repeat(Count), sleep(?MEDIUM_PAUSE), - ?line ok = register_repeat(Count), + ok = register_repeat(Count), sleep(?MEDIUM_PAUSE), - ?line ok = rregister_repeat(Count), + ok = rregister_repeat(Count), sleep(?MEDIUM_PAUSE), - ?line ok = register_repeat(Count), + ok = register_repeat(Count), sleep(?MEDIUM_PAUSE), - ?line ok = rregister_repeat(Count), - test_server:timetrap_cancel(LongDog), + ok = rregister_repeat(Count), ok. register_repeat(Count) -> Conn = register_many(1, ?REG_REPEAT_LIM, "foo"), ok = unregister_many(Conn), if - length(Conn) == Count -> - ok; - true -> - error + length(Conn) == Count -> + ok; + true -> + error end. rregister_repeat(Count) -> Conn = register_many(1, ?REG_REPEAT_LIM, "foo"), ok = unregister_many(lists:reverse(Conn)), if - length(Conn) == Count -> - ok; - true -> - error + length(Conn) == Count -> + ok; + true -> + error end. % Return count of successful registrations register_many(I, N, _Prefix) when I > N -> - test_server:format("Done with all ~n", []), + io:format("Done with all ~n", []), []; register_many(I, N, Prefix) -> Name = gen_name(Prefix, I), Port = ?DUMMY_PORT + I, % Just make it up case register_node(Name, Port) of - {ok,Sock} -> - [{Name,Port,Sock} | register_many(I + 1, N, Prefix)]; - Any -> - test_server:format("Can't register: ~w of 1..~w ~w~n", - [Name,N,Any]), - [] + {ok,Sock} -> + [{Name,Port,Sock} | register_many(I + 1, N, Prefix)]; + Any -> + test_server:format("Can't register: ~w of 1..~w ~w~n", [Name,N,Any]), + [] end. unregister_many([]) -> ok; unregister_many([{Name,_Port,Sock} | Socks]) -> case close(Sock) of - ok -> - unregister_many(Socks); - Any -> - test_server:format("Can't unregister: ~w reason ~w~n", [Name,Any]), - error + ok -> + unregister_many(Socks); + Any -> + test_server:format("Can't unregister: ~w reason ~w~n", [Name,Any]), + error end. gen_name(Str,Int) -> @@ -608,246 +530,203 @@ gen_name(Str,Int) -> %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% -no_data(doc) -> - ["Open but send no data"]; -no_data(suite) -> - []; +%% Open but send no data no_data(Config) when is_list(Config) -> - ?line ok = epmdrun(), - ?line {ok,Sock} = connect(), + ok = epmdrun(), + {ok,Sock} = connect(), sleep(?LONG_PAUSE), - ?line closed = recv(Sock,1), + closed = recv(Sock,1), ok. %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% -one_byte(doc) -> - ["Send one byte only"]; -one_byte(suite) -> - []; +%% Send one byte only one_byte(Config) when is_list(Config) -> - ?line ok = epmdrun(), - ?line {ok,Sock} = connect(), - ?line ok = send(Sock,[0]), + ok = epmdrun(), + {ok,Sock} = connect(), + ok = send(Sock,[0]), sleep(?LONG_PAUSE), - ?line closed = recv(Sock,1), + closed = recv(Sock,1), ok. %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% -two_bytes(doc) -> - ["Send packet size only"]; -two_bytes(suite) -> - []; +%% Send packet size only two_bytes(Config) when is_list(Config) -> - ?line ok = epmdrun(), - ?line {ok,Sock} = connect(), - ?line ok = send(Sock,[put16(3)]), + ok = epmdrun(), + {ok,Sock} = connect(), + ok = send(Sock,[put16(3)]), sleep(?LONG_PAUSE), - ?line closed = recv(Sock,1), + closed = recv(Sock,1), ok. %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% -partial_packet(doc) -> - ["Got only part of a packet"]; -partial_packet(suite) -> - []; +%% Got only part of a packet partial_packet(Config) when is_list(Config) -> - ?line ok = epmdrun(), - ?line {ok,Sock} = connect(), - ?line ok = send(Sock,[put16(100),"only a few bytes"]), + ok = epmdrun(), + {ok,Sock} = connect(), + ok = send(Sock,[put16(100),"only a few bytes"]), sleep(?LONG_PAUSE), - ?line closed = recv(Sock,1), + closed = recv(Sock,1), ok. %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% -zero_length(doc) -> - ["Invalid zero packet size"]; -zero_length(suite) -> - []; +%% Invalid zero packet size zero_length(Config) when is_list(Config) -> - ?line ok = epmdrun(), - ?line {ok,Sock} = connect(), - ?line ok = send(Sock,[0,0,0,0,0,0,0,0,0,0]), + ok = epmdrun(), + {ok,Sock} = connect(), + ok = send(Sock,[0,0,0,0,0,0,0,0,0,0]), sleep(?MEDIUM_PAUSE), - ?line closed = recv(Sock,1), + closed = recv(Sock,1), ok. %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% -too_large(doc) -> - ["Invalid large packet"]; -too_large(suite) -> - []; +%% Invalid large packet too_large(Config) when is_list(Config) -> - ?line ok = epmdrun(), - ?line {ok,Sock} = connect(), + ok = epmdrun(), + {ok,Sock} = connect(), Size = 63000, M = lists:duplicate(Size, $z), - ?line ok = send(Sock,[put16(Size),M]), + ok = send(Sock,[put16(Size),M]), sleep(?MEDIUM_PAUSE), % With such a large packet, even the writes can fail as the % daemon closes before everything is delivered -> econnaborted case recv(Sock,1) of - closed -> ok; - {error,econnaborted} -> ok; - Other -> exit({unexpected,Other}) + closed -> ok; + {error,econnaborted} -> ok; + Other -> exit({unexpected,Other}) end. %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% -alive_req_too_small_1(doc) -> - ["Try to register but not enough data"]; -alive_req_too_small_1(suite) -> - []; +%% Try to register but not enough data alive_req_too_small_1(Config) when is_list(Config) -> - ?line ok = epmdrun(), - ?line {ok,Sock} = connect(), + ok = epmdrun(), + {ok,Sock} = connect(), M = [?EPMD_ALIVE2_REQ, put16(?DUMMY_PORT),$M,0, put16(5), - put16(5),put16(0)], - ?line ok = send(Sock, [size16(M), M]), + put16(5),put16(0)], + ok = send(Sock, [size16(M), M]), sleep(?MEDIUM_PAUSE), - ?line closed = recv(Sock,1), + closed = recv(Sock,1), ok. %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% -alive_req_too_small_2(doc) -> - ["Try to register but not enough data"]; -alive_req_too_small_2(suite) -> - []; +%% Try to register but not enough data alive_req_too_small_2(Config) when is_list(Config) -> - ?line ok = epmdrun(), - ?line {ok,Sock} = connect(), + ok = epmdrun(), + {ok,Sock} = connect(), M = [?EPMD_ALIVE2_REQ, put16(?DUMMY_PORT),$M,0, put16(5), - put16(5)], - ?line ok = send(Sock, [size16(M), M]), + put16(5)], + ok = send(Sock, [size16(M), M]), sleep(?MEDIUM_PAUSE), - ?line closed = recv(Sock,1), + closed = recv(Sock,1), ok. %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% -alive_req_too_large(doc) -> - ["Try to register but node name too large"]; -alive_req_too_large(suite) -> - []; +%% Try to register but node name too large alive_req_too_large(Config) when is_list(Config) -> - ?line ok = epmdrun(), - ?line {ok,Sock} = connect(), - L = [ - "aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", - "aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", - "aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", - "aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", - "aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", - "aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", - "aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", - "aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", - "aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", - "aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", - "aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", - "aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" - ], + ok = epmdrun(), + {ok,Sock} = connect(), + L = ["aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", + "aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", + "aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", + "aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", + "aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", + "aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", + "aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", + "aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", + "aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", + "aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", + "aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", + "aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa"], S = length(lists:flatten(L)), M = [?EPMD_ALIVE2_REQ, put16(?DUMMY_PORT),$M,0, put16(5), - put16(5), put16(S),L,put16(0)], - ?line ok = send(Sock, [size16(M), M]), + put16(5), put16(S),L,put16(0)], + ok = send(Sock, [size16(M), M]), sleep(?MEDIUM_PAUSE), - ?line {ok,[?EPMD_ALIVE2_RESP,1]} = recv(Sock,2), + {ok,[?EPMD_ALIVE2_RESP,1]} = recv(Sock,2), ok. %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% -returns_valid_empty_extra(doc) -> - ["Check that an empty extra is prefixed by a two byte length"]; -returns_valid_empty_extra(suite) -> - []; +%% Check that an empty extra is prefixed by a two byte length returns_valid_empty_extra(Config) when is_list(Config) -> - ?line ok = epmdrun(), - ?line {ok,Sock} = register_node_v2(4711, 72, 0, 5, 5, "foo", []), - ?line {ok,#node_info{extra=[]}} = port_please_v2("foo"), - ?line ok = close(Sock), + ok = epmdrun(), + {ok,Sock} = register_node_v2(4711, 72, 0, 5, 5, "foo", []), + {ok,#node_info{extra=[]}} = port_please_v2("foo"), + ok = close(Sock), ok. %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% -returns_valid_populated_extra_with_nulls(doc) -> - ["Check a populated extra with embedded null characters"]; -returns_valid_populated_extra_with_nulls(suite) -> - []; +%% Check a populated extra with embedded null characters returns_valid_populated_extra_with_nulls(Config) when is_list(Config) -> - ?line ok = epmdrun(), - ?line {ok,Sock} = register_node_v2(4711, 72, 0, 5, 5, "foo", "ABC\000\000"), - ?line {ok,#node_info{extra="ABC\000\000"}} = port_please_v2("foo"), - ?line ok = close(Sock), + ok = epmdrun(), + {ok,Sock} = register_node_v2(4711, 72, 0, 5, 5, "foo", "ABC\000\000"), + {ok,#node_info{extra="ABC\000\000"}} = port_please_v2("foo"), + ok = close(Sock), ok. %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% -names_stdout(doc) -> - ["Test that epmd -names prints registered nodes to stdout"]; -names_stdout(suite) -> - []; +%% Test that epmd -names prints registered nodes to stdout names_stdout(Config) when is_list(Config) -> - ?line ok = epmdrun(), - ?line {ok,Sock} = register_node("foobar"), - ?line ok = epmdrun("-names"), - ?line {ok, Data} = receive {_Port, {data, D}} -> {ok, D} - after 10000 -> {error, timeout} - end, - ?line {match,_} = re:run(Data, "^epmd: up and running", [multiline]), - ?line {match,_} = re:run(Data, "^name foobar at port", [multiline]), - ?line ok = close(Sock), + ok = epmdrun(), + {ok,Sock} = register_node("foobar"), + ok = epmdrun("-names"), + {ok, Data} = receive {_Port, {data, D}} -> {ok, D} + after 10000 -> {error, timeout} + end, + {match,_} = re:run(Data, "^epmd: up and running", [multiline]), + {match,_} = re:run(Data, "^name foobar at port", [multiline]), + ok = close(Sock), ok. %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% -buffer_overrun_1(suite) -> - []; -buffer_overrun_1(doc) -> - ["Test security vulnerability in fake extra lengths in alive2_req"]; +%% Test security vulnerability in fake extra lengths in alive2_req buffer_overrun_1(Config) when is_list(Config) -> - ?line ok = epmdrun(), - ?line true = alltrue([hostile(N) || N <- lists:seq(1,10000)]), + ok = epmdrun(), + true = alltrue([hostile(N) || N <- lists:seq(1,10000)]), ok. -buffer_overrun_2(suite) -> - []; -buffer_overrun_2(doc) -> - ["Test security vulnerability in fake extra lengths in alive2_req"]; + +%% Test security vulnerability in fake extra lengths in alive2_req buffer_overrun_2(Config) when is_list(Config) -> - ?line ok = epmdrun(), - ?line [false | Rest] = [hostile2(N) || N <- lists:seq(255*4,10000)], - ?line true = alltrue(Rest), + ok = epmdrun(), + [false | Rest] = [hostile2(N) || N <- lists:seq(255*4,10000)], + true = alltrue(Rest), ok. hostile(N) -> try - Bin= <<$x:8,4747:16,$M:8,0:8,5:16,5:16,5:16,"gurka",N:16>>, - S = size(Bin), - {ok,E}=connect_sturdy(), - gen_tcp:send(E,[<<S:16>>,Bin]), - closed = recv(E,1), - gen_tcp:close(E), - true + Bin= <<$x:8,4747:16,$M:8,0:8,5:16,5:16,5:16,"gurka",N:16>>, + S = size(Bin), + {ok,E}=connect_sturdy(), + gen_tcp:send(E,[<<S:16>>,Bin]), + closed = recv(E,1), + gen_tcp:close(E), + true catch - _:_ -> - false + _:_ -> + false end. hostile2(N) -> try - B2 = list_to_binary(lists:duplicate(N,255)), - Bin= <<$x:8,4747:16,$M:8,0:8,5:16,5:16,5:16,"gurka",N:16,B2/binary>>, - S = size(Bin), - {ok,E}=connect_sturdy(), - gen_tcp:send(E,[<<S:16>>,Bin]), - Z = recv(E,2), - gen_tcp:close(E), - (Z =:= closed) or (Z =:= {ok, [$y,1]}) + B2 = list_to_binary(lists:duplicate(N,255)), + Bin= <<$x:8,4747:16,$M:8,0:8,5:16,5:16,5:16,"gurka",N:16,B2/binary>>, + S = size(Bin), + {ok,E}=connect_sturdy(), + gen_tcp:send(E,[<<S:16>>,Bin]), + Z = recv(E,2), + gen_tcp:close(E), + (Z =:= closed) or (Z =:= {ok, [$y,1]}) catch - _A:_B -> - false + _A:_B -> + false end. alltrue([]) -> @@ -857,134 +736,124 @@ alltrue([true|T]) -> alltrue([_|_]) -> false. %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% -no_nonlocal_register(suite) -> - []; -no_nonlocal_register(doc) -> - ["Ensure that we cannot register throug a nonlocal connection"]; + +%% Ensure that we cannot register throug a nonlocal connection no_nonlocal_register(Config) when is_list(Config) -> - ?line case {os:find_executable("ssh"),ct:get_config(ssh_proxy_host)} of - {SSH,Name} when is_list(Name), is_list(SSH) -> - do_no_nonlocal_register(Config,Name); - {false,_} -> - {skip, "No ssh command found to create proxy"}; - _ -> - {skip, "No ssh_proxy_host configured in ts.config"} - end. + case {os:find_executable("ssh"),ct:get_config(ssh_proxy_host)} of + {SSH,Name} when is_list(Name), is_list(SSH) -> + do_no_nonlocal_register(Config,Name); + {false,_} -> + {skip, "No ssh command found to create proxy"}; + _ -> + {skip, "No ssh_proxy_host configured in ts.config"} + end. do_no_nonlocal_register(Config,SSHHost) when is_list(Config) -> - ?line ok = epmdrun(), - ?line ProxyPort = proxy_port(), - ?line ok = ssh_proxy(SSHHost,ProxyPort), + ok = epmdrun(), + ProxyPort = proxy_port(), + ok = ssh_proxy(SSHHost,ProxyPort), Res = try - ?line Name = "gurka_" - %++ - %integer_to_list(A1)++"_"++ - %integer_to_list(A2)++"_"++ - %integer_to_list(A3)++"_"++ - %integer_to_list(A4) - , - ?line Bname = list_to_binary(Name), - ?line NameS = byte_size(Bname), - ?line Bin= <<$x:8,4747:16,$M:8,0:8,5:16, - 5:16,NameS:16,Bname/binary, - 0:16>>, - ?line S = size(Bin), - ?line {ok, E} = connect("localhost",ProxyPort,passive), - ?line gen_tcp:send(E,[<<S:16>>,Bin]), - ?line closed = recv(E,1), - ?line gen_tcp:close(E), - true - catch - _:_ -> - false - end, + Name = "gurka_" + %++ + %integer_to_list(A1)++"_"++ + %integer_to_list(A2)++"_"++ + %integer_to_list(A3)++"_"++ + %integer_to_list(A4) + , + Bname = list_to_binary(Name), + NameS = byte_size(Bname), + Bin= <<$x:8,4747:16,$M:8,0:8,5:16, + 5:16,NameS:16,Bname/binary, + 0:16>>, + S = size(Bin), + {ok, E} = connect("localhost",ProxyPort,passive), + gen_tcp:send(E,[<<S:16>>,Bin]), + closed = recv(E,1), + gen_tcp:close(E), + true + catch + _:_ -> + false + end, %erlang:display(Res), true = Res, ok. -no_nonlocal_kill(suite) -> - []; -no_nonlocal_kill(doc) -> - ["Ensure that we cannot kill through nonlocal connection"]; +%% Ensure that we cannot kill through nonlocal connection no_nonlocal_kill(Config) when is_list(Config) -> - ?line case {os:find_executable("ssh"),ct:get_config(ssh_proxy_host)} of - {SSH,Name} when is_list(Name), is_list(SSH) -> - do_no_nonlocal_kill(Config,Name); - {false,_} -> - {skip, "No ssh command found to create proxy"}; - _ -> - {skip, "No ssh_proxy_host configured in ts.config"} - end. + case {os:find_executable("ssh"),ct:get_config(ssh_proxy_host)} of + {SSH,Name} when is_list(Name), is_list(SSH) -> + do_no_nonlocal_kill(Config,Name); + {false,_} -> + {skip, "No ssh command found to create proxy"}; + _ -> + {skip, "No ssh_proxy_host configured in ts.config"} + end. do_no_nonlocal_kill(Config,SSHHost) when is_list(Config) -> - ?line ok = epmdrun(), - ?line ProxyPort = proxy_port(), - ?line ok = ssh_proxy(SSHHost,ProxyPort), + ok = epmdrun(), + ProxyPort = proxy_port(), + ok = ssh_proxy(SSHHost,ProxyPort), Res = try - {ok, E} = connect("localhost",ProxyPort,passive), - M = [?EPMD_KILL_REQ], - send(E, [size16(M), M]), - closed = recv(E,2), - gen_tcp:close(E), - sleep(?MEDIUM_PAUSE), - {ok, E2} = connect("localhost",ProxyPort,passive), - gen_tcp:close(E2), - true - catch - _:_ -> - false - end, + {ok, E} = connect("localhost",ProxyPort,passive), + M = [?EPMD_KILL_REQ], + send(E, [size16(M), M]), + closed = recv(E,2), + gen_tcp:close(E), + sleep(?MEDIUM_PAUSE), + {ok, E2} = connect("localhost",ProxyPort,passive), + gen_tcp:close(E2), + true + catch + _:_ -> + false + end, %erlang:display(Res), true = Res, ok. %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% -no_live_killing(doc) -> - ["Dont allow killing with live nodes or any unregistering w/o -relaxed_command_check"]; -no_live_killing(suite) -> - []; + +%% Dont allow killing with live nodes or any unregistering w/o -relaxed_command_check no_live_killing(Config) when is_list(Config) -> - ?line ok = epmdrun(), - ?line {ok,RSock} = register_node("foo"), - ?line {ok,Sock} = connect(), - ?line M = [?EPMD_KILL_REQ], - ?line ok = send(Sock,[size16(M),M]), - ?line {ok,"NO"} = recv(Sock,2), - ?line close(Sock), - ?line {ok,Sock2} = connect(), - ?line M2 = [?EPMD_STOP_REQ,"foo"], - ?line ok = send(Sock2,[size16(M2),M2]), - ?line closed = recv(Sock2,1), - ?line close(Sock2), - ?line close(RSock), - ?line sleep(?MEDIUM_PAUSE), - ?line {ok,Sock3} = connect(), - ?line M3 = [?EPMD_KILL_REQ], - ?line ok = send(Sock3,[size16(M3),M3]), - ?line {ok,"OK"} = recv(Sock3,2), - ?line close(Sock3), + ok = epmdrun(), + {ok,RSock} = register_node("foo"), + {ok,Sock} = connect(), + M = [?EPMD_KILL_REQ], + ok = send(Sock,[size16(M),M]), + {ok,"NO"} = recv(Sock,2), + close(Sock), + {ok,Sock2} = connect(), + M2 = [?EPMD_STOP_REQ,"foo"], + ok = send(Sock2,[size16(M2),M2]), + closed = recv(Sock2,1), + close(Sock2), + close(RSock), + sleep(?MEDIUM_PAUSE), + {ok,Sock3} = connect(), + M3 = [?EPMD_KILL_REQ], + ok = send(Sock3,[size16(M3),M3]), + {ok,"OK"} = recv(Sock3,2), + close(Sock3), ok. -socket_reset_before_alive2_reply_is_written(doc) -> - ["Check for regression - don't make zombie from node which " - "sends TCP RST at wrong time"]; -socket_reset_before_alive2_reply_is_written(suite) -> - []; +%% Check for regression - don't make zombie from node which +%% sends TCP RST at wrong time socket_reset_before_alive2_reply_is_written(Config) when is_list(Config) -> %% - delay_write for easier triggering of race condition %% - relaxed_command_check for gracefull shutdown of epmd even if there %% is stuck node. - ?line ok = epmdrun("-delay_write 1 -relaxed_command_check"), + ok = epmdrun("-delay_write 1 -relaxed_command_check"), %% We can't use send_req/1 directly as we want to do inet:setopts/2 %% on our socket. - ?line {ok, Sock} = connect(), + {ok, Sock} = connect(), %% Issuing close/1 on such socket will result in immediate RST packet. - ?line ok = inet:setopts(Sock, [{linger, {true, 0}}]), + ok = inet:setopts(Sock, [{linger, {true, 0}}]), Req = alive2_req(4711, 77, 0, 5, 5, "test", []), - ?line ok = send(Sock, [size16(Req), Req]), + ok = send(Sock, [size16(Req), Req]), timer:sleep(500), %% Wait for the first 1/2 of delay_write before closing - ?line ok = close(Sock), + ok = close(Sock), timer:sleep(500 + ?SHORT_PAUSE), %% Wait for the other 1/2 of delay_write @@ -992,11 +861,11 @@ socket_reset_before_alive2_reply_is_written(Config) when is_list(Config) -> %% Should be removed when this is issue is fixed there. timer:sleep(1000), - ?line {ok, SockForNames} = connect_active(), + {ok, SockForNames} = connect_active(), %% And there should be no stuck nodes - ?line {ok, []} = do_get_names(SockForNames), - ?line ok = close(SockForNames), + {ok, []} = do_get_names(SockForNames), + ok = close(SockForNames), ok. %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% @@ -1005,14 +874,14 @@ socket_reset_before_alive2_reply_is_written(Config) when is_list(Config) -> cleanup() -> sleep(?MEDIUM_PAUSE), case connect() of - {ok,Sock} -> - M = [?EPMD_KILL_REQ], - send(Sock, [size16(M), M]), - recv(Sock,length("OK")), - close(Sock), - sleep(?MEDIUM_PAUSE); - _ -> - true + {ok,Sock} -> + M = [?EPMD_KILL_REQ], + send(Sock, [size16(M), M]), + recv(Sock,length("OK")), + close(Sock), + sleep(?MEDIUM_PAUSE); + _ -> + true end. %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% @@ -1022,11 +891,11 @@ proxy_port() -> ?PORT+1. ssh_proxy(SSHHost,ProxyPort) -> - ?line Host = lists:nth(2,string:tokens(atom_to_list(node()),"@")), + Host = lists:nth(2,string:tokens(atom_to_list(node()),"@")), % Requires proxy to be a unix host with the command 'read' accessible - ?line osrun("ssh -L "++integer_to_list(ProxyPort)++":"++Host++":" - ++integer_to_list(?PORT)++" "++SSHHost++" read"). - + osrun("ssh -L "++integer_to_list(ProxyPort)++":"++Host++":" + ++integer_to_list(?PORT)++" "++SSHHost++" read"). + %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% @@ -1036,21 +905,21 @@ epmdrun() -> epmdrun([]). epmdrun(Args) -> case os:find_executable(epmd) of - false -> - {error, {could_not_find_epmd_in_path}}; - Path -> - epmdrun(Path,Args) + false -> + {error, {could_not_find_epmd_in_path}}; + Path -> + epmdrun(Path,Args) end. epmdrun(Epmd,Args0) -> - %% test_server:format("epmdrun() => Epmd = ~p",[Epmd]), + %% test_server:format("epmdrun() => Epmd = ~p",[Epmd]), Args = case Args0 of - [] -> - []; - O -> - " "++O - end, - osrun("\"" ++ Epmd ++ "\"" ++ " " ?EPMDARGS " -port " ++ integer_to_list(?PORT) ++ Args). + [] -> + []; + O -> + " "++O + end, + osrun("\"" ++ Epmd ++ "\"" ++ " " ?EPMDARGS " -port " ++ integer_to_list(?PORT) ++ Args). %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% @@ -1059,7 +928,7 @@ epmdrun(Epmd,Args0) -> osrun(Cmd) -> _ = open_port({spawn, Cmd}, []), ok. - + %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % Wrappers of TCP functions @@ -1084,16 +953,16 @@ connect(Addr, Port, Mode) -> connect(Addr, Port, Mode, ?CONN_SLEEP, ?CONN_RETRY). connect(Addr, Port, Mode, Sleep, Retry) -> case connect_repeat(Addr, Retry, Port, Mode, Sleep) of - {ok,Sock} -> - {ok,Sock}; - {error,timeout} -> - timeout; - {error,Reason} -> - test_server:format("connect: error: ~w~n",[Reason]), - error; - Any -> - test_server:format("connect: unknown message: ~w~n",[Any]), - exit(1) + {ok,Sock} -> + {ok,Sock}; + {error,timeout} -> + timeout; + {error,Reason} -> + test_server:format("connect: error: ~w~n",[Reason]), + error; + Any -> + test_server:format("connect: unknown message: ~w~n",[Any]), + exit(1) end. @@ -1104,33 +973,33 @@ connect_repeat(Addr, 1, Port, Mode, _Sleep) -> connect_mode(Addr,Port, Mode); connect_repeat(Addr,Retry, Port, Mode, Sleep) -> case connect_mode(Addr,Port, Mode) of - {ok,Sock} -> - {ok,Sock}; - {error,Reason} -> - test_server:format("connect: error: ~w~n",[Reason]), - timer:sleep(Sleep), - connect_repeat(Addr, Retry - 1, Port, Mode, Sleep); - Any -> - test_server:format("connect: unknown message: ~w~n",[Any]), - exit(1) + {ok,Sock} -> + {ok,Sock}; + {error,Reason} -> + test_server:format("connect: error: ~w~n",[Reason]), + timer:sleep(Sleep), + connect_repeat(Addr, Retry - 1, Port, Mode, Sleep); + Any -> + test_server:format("connect: unknown message: ~w~n",[Any]), + exit(1) end. connect_mode(Addr,Port, active) -> gen_tcp:connect(Addr, Port, [{packet, 0}], ?CONN_TIMEOUT); connect_mode(Addr, Port, passive) -> gen_tcp:connect(Addr, Port, [{packet, 0}, {active, false}], - ?CONN_TIMEOUT). + ?CONN_TIMEOUT). close(Sock) -> case gen_tcp:close(Sock) of - {error,_} -> - error; - ok -> - ok; - Any -> - test_server:format("unknown message: ~w~n",[Any]), - exit(1) + {error,_} -> + error; + ok -> + ok; + Any -> + test_server:format("unknown message: ~w~n",[Any]), + exit(1) end. recv(Sock, Len) -> @@ -1138,19 +1007,19 @@ recv(Sock, Len) -> recv(Sock, Len, Timeout) -> case gen_tcp:recv(Sock, Len, Timeout) of - {ok,[]} -> % Should not be the case - recv(Sock, 1, 1); % any longer - {ok,Data} -> - {ok,Data}; - {error,timeout} -> - timeout; - {error,closed} -> - closed; - {error,_}=Error -> - Error; - Any -> - test_server:format("unknown message: ~w~n",[Any]), - exit(1) + {ok,[]} -> % Should not be the case + recv(Sock, 1, 1); % any longer + {ok,Data} -> + {ok,Data}; + {error,timeout} -> + timeout; + {error,closed} -> + closed; + {error,_}=Error -> + Error; + Any -> + test_server:format("unknown message: ~w~n",[Any]), + exit(1) end. %% Send data to socket. The list can be non flat and contain @@ -1159,12 +1028,12 @@ recv(Sock, Len, Timeout) -> send(Sock, SendSpec) -> case send(SendSpec, [], Sock) of - {ok,[]} -> - ok; - {ok,RevBytes} -> - send_direct(Sock, lists:reverse(RevBytes)); - Any -> - Any + {ok,[]} -> + ok; + {ok,RevBytes} -> + send_direct(Sock, lists:reverse(RevBytes)); + Any -> + Any end. @@ -1179,54 +1048,54 @@ send([Byte | Spec], RevBytes, Sock) when is_integer(Byte) -> send(Spec, [Byte | RevBytes], Sock); send([List | Spec], RevBytes, Sock) when is_list(List) -> case send(List, RevBytes, Sock) of - {ok,Left} -> - send(Spec, Left, Sock); - Other -> - Other + {ok,Left} -> + send(Spec, Left, Sock); + Other -> + Other end; send([d | Spec], RevBytes, Sock) -> send([{d,1000} | Spec], RevBytes, Sock); send([{d,S} | Spec], RevBytes, Sock) -> case send_direct(Sock, lists:reverse(RevBytes)) of - ok -> - timer:sleep(S), - send(Spec, [], Sock); - Any -> - Any + ok -> + timer:sleep(S), + send(Spec, [], Sock); + Any -> + Any end. %%%% send_direct(Sock, Bytes) -> case gen_tcp:send(Sock, Bytes) of - ok -> - ok; - {error, closed} -> - closed; - {error, _Reason} -> - error; - Any -> - test_server:format("unknown message: ~w~n",[Any]), - Any + ok -> + ok; + {error, closed} -> + closed; + {error, _Reason} -> + error; + Any -> + test_server:format("unknown message: ~w~n",[Any]), + Any end. send_req(Req) -> send_req(Req, "localhost"). send_req(Req, Addr) -> case connect(Addr) of - {ok,Sock} -> - case send(Sock, [size16(Req), Req]) of - ok -> - {ok,Sock}; - Other -> - test_server:format("Failed to send ~w on sock ~w: ~w~n", - [Req,Sock,Other]), - error - end; - Other -> - test_server:format("Connect failed when sending ~w: ~p~n", - [Req, Other]), - error + {ok,Sock} -> + case send(Sock, [size16(Req), Req]) of + ok -> + {ok,Sock}; + Other -> + test_server:format("Failed to send ~w on sock ~w: ~w~n", + [Req,Sock,Other]), + error + end; + Other -> + test_server:format("Connect failed when sending ~w: ~p~n", + [Req, Other]), + error end. recv_until_sock_closes(Sock) -> @@ -1234,12 +1103,12 @@ recv_until_sock_closes(Sock) -> recv_until_sock_closes_2(Sock,AccData) -> case recv(Sock,0) of - {ok,Data} -> - recv_until_sock_closes_2(Sock,AccData++Data); - closed -> - {ok,AccData}; - Other -> - Other + {ok,Data} -> + recv_until_sock_closes_2(Sock,AccData++Data); + closed -> + {ok,AccData}; + Other -> + Other end. sleep(MilliSeconds) -> @@ -1261,7 +1130,7 @@ flat_count([H|T], N) when is_list(H) -> flat_count([_|T], N) -> flat_count(T, N); flat_count([], N) -> N. - + %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% diff --git a/erts/etc/common/erlexec.c b/erts/etc/common/erlexec.c index 5a5021b003..42da05b1f7 100644 --- a/erts/etc/common/erlexec.c +++ b/erts/etc/common/erlexec.c @@ -150,6 +150,9 @@ static char *plush_val_switches[] = { "ms", "mbs", "pds", + "max", + "maxk", + "maxel", "mqd", "", NULL @@ -842,7 +845,6 @@ int main(int argc, char **argv) if (argv[i][3] != '\0') goto the_default; } -#ifdef ERTS_DIRTY_SCHEDULERS else if (argv[i][2] == 'D') { char* type = argv[i]+3; if (strncmp(type, "cpu", 3) != 0 && @@ -854,7 +856,6 @@ int main(int argc, char **argv) (argv[i][3] == 'i' && argv[i][5] != '\0')) goto the_default; } -#endif else if (argv[i][2] != '\0') goto the_default; if (i+1 >= argc) diff --git a/erts/include/erl_native_features_config.h.in b/erts/include/erl_native_features_config.h.in deleted file mode 100644 index 59a5dde09e..0000000000 --- a/erts/include/erl_native_features_config.h.in +++ /dev/null @@ -1,22 +0,0 @@ -/* - * %CopyrightBegin% - * - * Copyright Ericsson AB 2004-2016. All Rights Reserved. - * - * Licensed under the Apache License, Version 2.0 (the "License"); - * you may not use this file except in compliance with the License. - * You may obtain a copy of the License at - * - * http://www.apache.org/licenses/LICENSE-2.0 - * - * Unless required by applicable law or agreed to in writing, software - * distributed under the License is distributed on an "AS IS" BASIS, - * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. - * See the License for the specific language governing permissions and - * limitations under the License. - * - * %CopyrightEnd% - */ - -/* Dirty scheduler support */ -#undef ERL_NIF_DIRTY_SCHEDULER_SUPPORT diff --git a/erts/lib_src/Makefile.in b/erts/lib_src/Makefile.in index 6e2f236bdf..601f3917a8 100644 --- a/erts/lib_src/Makefile.in +++ b/erts/lib_src/Makefile.in @@ -465,7 +465,6 @@ RELSYSDIR = $(RELEASE_PATH)/erts-$(VSN) RELEASE_INCLUDES= \ $(ERTS_INCL)/erl_memory_trace_parser.h \ $(ERTS_INCL)/$(TARGET)/erl_int_sizes_config.h \ - $(ERTS_INCL)/$(TARGET)/erl_native_features_config.h \ $(ERTS_INCL)/erl_fixed_size_int_types.h RELEASE_LIBS=$(ERTS_LIBS) diff --git a/erts/preloaded/ebin/erl_prim_loader.beam b/erts/preloaded/ebin/erl_prim_loader.beam Binary files differindex 3e82b8e20e..de2693472a 100644 --- a/erts/preloaded/ebin/erl_prim_loader.beam +++ b/erts/preloaded/ebin/erl_prim_loader.beam diff --git a/erts/preloaded/ebin/erl_tracer.beam b/erts/preloaded/ebin/erl_tracer.beam Binary files differindex 67d96d0f0d..69804540c9 100644 --- a/erts/preloaded/ebin/erl_tracer.beam +++ b/erts/preloaded/ebin/erl_tracer.beam diff --git a/erts/preloaded/ebin/erlang.beam b/erts/preloaded/ebin/erlang.beam Binary files differindex 321e4e7e1b..8379bf1768 100644 --- a/erts/preloaded/ebin/erlang.beam +++ b/erts/preloaded/ebin/erlang.beam diff --git a/erts/preloaded/ebin/erts_code_purger.beam b/erts/preloaded/ebin/erts_code_purger.beam Binary files differindex 0c667663fd..b1da0aa861 100644 --- a/erts/preloaded/ebin/erts_code_purger.beam +++ b/erts/preloaded/ebin/erts_code_purger.beam diff --git a/erts/preloaded/ebin/erts_internal.beam b/erts/preloaded/ebin/erts_internal.beam Binary files differindex ed2e328f5b..cc4f3dbdaf 100644 --- a/erts/preloaded/ebin/erts_internal.beam +++ b/erts/preloaded/ebin/erts_internal.beam diff --git a/erts/preloaded/ebin/init.beam b/erts/preloaded/ebin/init.beam Binary files differindex 23ebd2cad9..7b5797e90a 100644 --- a/erts/preloaded/ebin/init.beam +++ b/erts/preloaded/ebin/init.beam diff --git a/erts/preloaded/ebin/otp_ring0.beam b/erts/preloaded/ebin/otp_ring0.beam Binary files differindex b63fa24848..f893b9c181 100644 --- a/erts/preloaded/ebin/otp_ring0.beam +++ b/erts/preloaded/ebin/otp_ring0.beam diff --git a/erts/preloaded/ebin/prim_eval.beam b/erts/preloaded/ebin/prim_eval.beam Binary files differindex 7c8fdc82c0..e4ce601c03 100644 --- a/erts/preloaded/ebin/prim_eval.beam +++ b/erts/preloaded/ebin/prim_eval.beam diff --git a/erts/preloaded/ebin/prim_file.beam b/erts/preloaded/ebin/prim_file.beam Binary files differindex d4559bc9ed..babba3081f 100644 --- a/erts/preloaded/ebin/prim_file.beam +++ b/erts/preloaded/ebin/prim_file.beam diff --git a/erts/preloaded/ebin/prim_inet.beam b/erts/preloaded/ebin/prim_inet.beam Binary files differindex 5a0678632e..0521060e34 100644 --- a/erts/preloaded/ebin/prim_inet.beam +++ b/erts/preloaded/ebin/prim_inet.beam diff --git a/erts/preloaded/ebin/prim_zip.beam b/erts/preloaded/ebin/prim_zip.beam Binary files differindex 3d32dd8449..e1faca7d96 100644 --- a/erts/preloaded/ebin/prim_zip.beam +++ b/erts/preloaded/ebin/prim_zip.beam diff --git a/erts/preloaded/ebin/zlib.beam b/erts/preloaded/ebin/zlib.beam Binary files differindex ced9f9c952..5d3cbc1b36 100644 --- a/erts/preloaded/ebin/zlib.beam +++ b/erts/preloaded/ebin/zlib.beam diff --git a/erts/preloaded/src/erl_tracer.erl b/erts/preloaded/src/erl_tracer.erl index de1e9ca01e..fe15812535 100644 --- a/erts/preloaded/src/erl_tracer.erl +++ b/erts/preloaded/src/erl_tracer.erl @@ -41,10 +41,14 @@ on_load() -> %%% NIF placeholders %%% --spec enabled(Tag :: trace_tag() | seq_trace | trace_status, +-spec enabled(Tag :: trace_status, TracerState :: tracer_state(), Tracee :: tracee()) -> - trace | discard | remove. + trace | remove; + (Tag :: trace_tag() | seq_trace, + TracerState :: tracer_state(), + Tracee :: tracee()) -> + trace | discard. enabled(_, _, _) -> erlang:nif_error(nif_not_loaded). diff --git a/erts/preloaded/src/erlang.erl b/erts/preloaded/src/erlang.erl index 90fd536b15..3d152c4e92 100644 --- a/erts/preloaded/src/erlang.erl +++ b/erts/preloaded/src/erlang.erl @@ -2073,6 +2073,9 @@ open_port(PortName, PortSettings) -> (min_bin_vheap_size, MinBinVHeapSize) -> OldMinBinVHeapSize when MinBinVHeapSize :: non_neg_integer(), OldMinBinVHeapSize :: non_neg_integer(); + (max_heap_size, MaxHeapSize) -> OldMaxHeapSize when + MaxHeapSize :: max_heap_size(), + OldMaxHeapSize :: max_heap_size(); (message_queue_data, MQD) -> OldMQD when MQD :: message_queue_data(), OldMQD :: message_queue_data(); @@ -2154,6 +2157,7 @@ process_flag(_Flag, _Value) -> {messages, MessageQueue :: [term()]} | {min_heap_size, MinHeapSize :: non_neg_integer()} | {min_bin_vheap_size, MinBinVHeapSize :: non_neg_integer()} | + {max_heap_size, MaxHeapSize :: max_heap_size()} | {monitored_by, Pids :: [pid()]} | {monitors, Monitors :: [{process, Pid :: pid() | @@ -2238,6 +2242,7 @@ setelement(_Index, _Tuple1, _Value) -> | {priority, Level :: priority_level()} | {fullsweep_after, Number :: non_neg_integer()} | {min_heap_size, Size :: non_neg_integer()} + | {max_heap_size, Size :: max_heap_size()} | {min_bin_vheap_size, VSize :: non_neg_integer()}. spawn_opt(_Tuple) -> erlang:nif_error(undefined). @@ -2330,6 +2335,9 @@ subtract(_,_) -> OldMinBinVHeapSize when MinBinVHeapSize :: non_neg_integer(), OldMinBinVHeapSize :: non_neg_integer(); + (max_heap_size, MaxHeapSize) -> OldMaxHeapSize when + MaxHeapSize :: max_heap_size(), + OldMaxHeapSize :: max_heap_size(); (multi_scheduling, BlockState) -> OldBlockState when BlockState :: block | unblock | block_normal | unblock_normal, OldBlockState :: blocked | disabled | enabled; @@ -2511,6 +2519,7 @@ tuple_to_list(_Tuple) -> logical_processors_available | logical_processors_online) -> unknown | pos_integer(); (machine) -> string(); + (max_heap_size) -> {max_heap_size, MaxHeapSize :: max_heap_size()}; (message_queue_data) -> message_queue_data(); (min_heap_size) -> {min_heap_size, MinHeapSize :: pos_integer()}; (min_bin_vheap_size) -> {min_bin_vheap_size, @@ -2648,6 +2657,13 @@ spawn_monitor(M, F, A) -> erlang:error(badarg, [M,F,A]). +-type max_heap_size() :: + Size :: non_neg_integer() + %% TODO change size => to := when -type maps support is finalized + | #{ size => non_neg_integer(), + kill => boolean(), + error_logger => boolean() }. + -type spawn_opt_option() :: link | monitor @@ -2655,6 +2671,7 @@ spawn_monitor(M, F, A) -> | {fullsweep_after, Number :: non_neg_integer()} | {min_heap_size, Size :: non_neg_integer()} | {min_bin_vheap_size, VSize :: non_neg_integer()} + | {max_heap_size, Size :: max_heap_size()} | {message_queue_data, MQD :: message_queue_data()}. -spec spawn_opt(Fun, Options) -> pid() | {pid(), reference()} when |