diff options
Diffstat (limited to 'erts/emulator/beam/erl_init.c')
| -rw-r--r-- | erts/emulator/beam/erl_init.c | 954 |
1 files changed, 759 insertions, 195 deletions
diff --git a/erts/emulator/beam/erl_init.c b/erts/emulator/beam/erl_init.c index 4bae3dfeb4..fbdafec4ef 100644 --- a/erts/emulator/beam/erl_init.c +++ b/erts/emulator/beam/erl_init.c @@ -1,18 +1,19 @@ /* * %CopyrightBegin% * - * Copyright Ericsson AB 1997-2013. All Rights Reserved. + * Copyright Ericsson AB 1997-2016. All Rights Reserved. * - * The contents of this file are subject to the Erlang Public License, - * Version 1.1, (the "License"); you may not use this file except in - * compliance with the License. You should have received a copy of the - * Erlang Public License along with this software. If not, it can be - * retrieved online at http://www.erlang.org/. + * 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 * - * Software distributed under the License is distributed on an "AS IS" - * basis, WITHOUT WARRANTY OF ANY KIND, either express or implied. See - * the License for the specific language governing rights and limitations - * under the License. + * 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% */ @@ -35,7 +36,7 @@ #include "dist.h" #include "erl_mseg.h" #include "erl_threads.h" -#include "erl_bif_timer.h" +#include "erl_hl_timer.h" #include "erl_instrument.h" #include "erl_printf_term.h" #include "erl_misc_utils.h" @@ -45,6 +46,9 @@ #include "erl_thr_queue.h" #include "erl_async.h" #include "erl_ptab.h" +#include "erl_bif_unique.h" +#define ERTS_WANT_TIMER_WHEEL_API +#include "erl_time.h" #ifdef HIPE #include "hipe_mode_switch.h" /* for hipe_mode_switch_init() */ @@ -87,11 +91,6 @@ const int etp_arch_bits = 32; #else # error "Not 64-bit, nor 32-bit arch" #endif -#if HALFWORD_HEAP -const int etp_halfword = 1; -#else -const int etp_halfword = 0; -#endif #ifdef HIPE const int etp_hipe = 1; #else @@ -117,6 +116,8 @@ const int etp_big_endian = 1; #else const int etp_big_endian = 0; #endif +const Eterm etp_the_non_value = THE_NON_VALUE; + /* * Note about VxWorks: All variables must be initialized by executable code, * not by an initializer. Otherwise a new instance of the emulator will @@ -134,7 +135,11 @@ static void erl_init(int ncpu, int legacy_proc_tab, int port_tab_sz, int port_tab_sz_ignore_files, - int legacy_port_tab); + int legacy_port_tab, + int time_correction, + ErtsTimeWarpMode time_warp_mode, + int node_tab_delete_delay, + ErtsDbSpinCount db_spin_count); static erts_atomic_t exiting; @@ -147,7 +152,7 @@ volatile int erts_writing_erl_crash_dump = 0; int erts_initialized = 0; #if defined(USE_THREADS) && !defined(ERTS_SMP) -static erts_tid_t main_thread; +erts_tid_t erts_main_thread; #endif int erts_use_sender_punish; @@ -159,11 +164,10 @@ 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. */ -#ifdef ERTS_OPCODE_COUNTER_SUPPORT -int count_instructions; -#endif int erts_backtrace_depth; /* How many functions to show in a backtrace * in error codes. */ @@ -178,17 +182,20 @@ int erts_compat_rel; static int no_schedulers; static int no_schedulers_online; +#ifdef ERTS_DIRTY_SCHEDULERS +static int no_dirty_cpu_schedulers; +static int no_dirty_cpu_schedulers_online; +static int no_dirty_io_schedulers; +#endif #ifdef DEBUG Uint32 verbose; /* See erl_debug.h for information about verbose */ #endif -int erts_disable_tolerant_timeofday; /* Time correction can be disabled it is - * not and/or it is too slow. - */ - int erts_atom_table_size = ATOM_LIMIT; /* Maximum number of atoms */ +int erts_pd_initial_size = 8; /* must be power of 2 */ + int erts_modified_timing_level; int erts_no_crash_dump = 0; /* Use -d to suppress crash dump. */ @@ -201,15 +208,15 @@ int erts_no_line_info = 0; /* -L: Don't load line information */ ErtsModifiedTimings erts_modified_timings[] = { /* 0 */ {make_small(0), CONTEXT_REDS, INPUT_REDUCTIONS}, - /* 1 */ {make_small(0), 2*CONTEXT_REDS, 2*INPUT_REDUCTIONS}, + /* 1 */ {make_small(0), (3*CONTEXT_REDS)/4, 2*INPUT_REDUCTIONS}, /* 2 */ {make_small(0), CONTEXT_REDS/2, INPUT_REDUCTIONS/2}, - /* 3 */ {make_small(0), 3*CONTEXT_REDS, 3*INPUT_REDUCTIONS}, + /* 3 */ {make_small(0), (7*CONTEXT_REDS)/8, 3*INPUT_REDUCTIONS}, /* 4 */ {make_small(0), CONTEXT_REDS/3, 3*INPUT_REDUCTIONS}, - /* 5 */ {make_small(0), 4*CONTEXT_REDS, INPUT_REDUCTIONS/2}, + /* 5 */ {make_small(0), (10*CONTEXT_REDS)/11, INPUT_REDUCTIONS/2}, /* 6 */ {make_small(1), CONTEXT_REDS/4, 2*INPUT_REDUCTIONS}, - /* 7 */ {make_small(1), 5*CONTEXT_REDS, INPUT_REDUCTIONS/3}, + /* 7 */ {make_small(1), (5*CONTEXT_REDS)/7, INPUT_REDUCTIONS/3}, /* 8 */ {make_small(10), CONTEXT_REDS/5, 3*INPUT_REDUCTIONS}, - /* 9 */ {make_small(10), 6*CONTEXT_REDS, INPUT_REDUCTIONS/4} + /* 9 */ {make_small(10), (6*CONTEXT_REDS)/7, INPUT_REDUCTIONS/4} }; #define ERTS_MODIFIED_TIMING_LEVELS \ @@ -259,11 +266,24 @@ this_rel_num(void) i++; this_rel = atoi(&this_rel_str[i]); if (this_rel < 1) - erl_exit(-1, "Unexpected ERLANG_OTP_RELEASE format\n"); + erts_exit(1, "Unexpected ERLANG_OTP_RELEASE format\n"); } return this_rel; } +static ERTS_INLINE void +set_default_time_adj(int *time_correction_p, ErtsTimeWarpMode *time_warp_mode_p) +{ + *time_correction_p = 1; + *time_warp_mode_p = ERTS_NO_TIME_WARP_MODE; + if (!erts_check_time_adj_support(*time_correction_p, + *time_warp_mode_p)) { + *time_correction_p = 0; + ASSERT(erts_check_time_adj_support(*time_correction_p, + *time_warp_mode_p)); + } +} + /* * Common error printout function, all error messages * that don't go to the error logger go through here. @@ -279,13 +299,24 @@ static int early_init(int *argc, char **argv); void erts_short_init(void) { - int ncpu = early_init(NULL, NULL); + + int ncpu; + int time_correction; + ErtsTimeWarpMode time_warp_mode; + + set_default_time_adj(&time_correction, + &time_warp_mode); + ncpu = early_init(NULL, NULL); erl_init(ncpu, ERTS_DEFAULT_MAX_PROCESSES, 0, ERTS_DEFAULT_MAX_PORTS, 0, - 0); + 0, + time_correction, + time_warp_mode, + ERTS_NODE_TAB_DELAY_GC_DEFAULT, + ERTS_DB_SPNCNT_NORMAL); erts_initialized = 1; } @@ -295,16 +326,28 @@ erl_init(int ncpu, int legacy_proc_tab, int port_tab_sz, int port_tab_sz_ignore_files, - int legacy_port_tab) + int legacy_port_tab, + int time_correction, + ErtsTimeWarpMode time_warp_mode, + int node_tab_delete_delay, + ErtsDbSpinCount db_spin_count) { init_benchmarking(); + erts_bif_unique_init(); erts_init_monitors(); - erts_init_time(); + erts_init_time(time_correction, time_warp_mode); erts_init_sys_common_misc(); erts_init_process(ncpu, proc_tab_sz, legacy_proc_tab); erts_init_scheduling(no_schedulers, - no_schedulers_online); + no_schedulers_online +#ifdef ERTS_DIRTY_SCHEDULERS + , no_dirty_cpu_schedulers, + no_dirty_cpu_schedulers_online, + no_dirty_io_schedulers +#endif + ); + erts_late_init_time_sup(); erts_init_cpu_topology(); /* Must be after init_scheduling */ erts_init_gc(); /* Must be after init_scheduling */ erts_alloc_late_init(); @@ -313,7 +356,6 @@ erl_init(int ncpu, BIN_VH_MIN_SIZE = erts_next_heap_size(BIN_VH_MIN_SIZE, 0); erts_init_trace(); - erts_init_binary(); erts_init_bits(); erts_code_ix_init(); erts_init_fun_table(); @@ -326,10 +368,10 @@ erl_init(int ncpu, erts_ddll_init(); init_emulator(); erts_ptab_init(); /* Must be after init_emulator() */ + erts_init_binary(); /* Must be after init_emulator() */ erts_bp_init(); - init_db(); /* Must be after init_emulator */ - erts_bif_timer_init(); - erts_init_node_tables(); + init_db(db_spin_count); /* Must be after init_emulator */ + erts_init_node_tables(node_tab_delete_delay); init_dist(); erl_drv_thr_init(); erts_init_async(); @@ -341,25 +383,29 @@ erl_init(int ncpu, erts_init_bif_re(); erts_init_unicode(); /* after RE to get access to PCRE unicode */ erts_init_external(); + erts_init_map(); erts_delay_trap = erts_export_put(am_erlang, am_delay_trap, 2); erts_late_init_process(); #if HAVE_ERTS_MSEG erts_mseg_late_init(); /* Must be after timer (erts_init_time()) and thread initializations */ #endif + erl_sys_late_init(); #ifdef HIPE hipe_mode_switch_init(); /* Must be after init_load/beam_catches/init */ #endif packet_parser_init(); erl_nif_init(); + erts_msacc_init(); } -static void +static Eterm erl_first_process_otp(char* modname, void* code, unsigned size, int argc, char** argv) { int i; Eterm start_mod; Eterm args; + Eterm res; Eterm* hp; Process parent; ErlSpawnOpts so; @@ -368,7 +414,7 @@ erl_first_process_otp(char* modname, void* code, unsigned size, int argc, char** start_mod = erts_atom_put((byte *) modname, sys_strlen(modname), ERTS_ATOM_ENC_LATIN1, 1); if (erts_find_function(start_mod, am_start, 2, erts_active_code_ix()) == NULL) { - erl_exit(5, "No function %s:start/2\n", modname); + erts_exit(ERTS_ERROR_EXIT, "No function %s:start/2\n", modname); } /* @@ -389,12 +435,36 @@ erl_first_process_otp(char* modname, void* code, unsigned size, int argc, char** hp += 2; args = CONS(hp, env, args); - so.flags = 0; - (void) erl_create_process(&parent, start_mod, am_start, args, &so); + so.flags = erts_default_spo_flags|SPO_SYSTEM_PROC; + res = erl_create_process(&parent, start_mod, am_start, args, &so); erts_smp_proc_unlock(&parent, ERTS_PROC_LOCK_MAIN); erts_cleanup_empty_process(&parent); + return res; } +static Eterm +erl_system_process_otp(Eterm parent_pid, char* modname) +{ + Eterm start_mod; + Process* parent; + ErlSpawnOpts so; + Eterm res; + + start_mod = erts_atom_put((byte *) modname, sys_strlen(modname), ERTS_ATOM_ENC_LATIN1, 1); + if (erts_find_function(start_mod, am_start, 0, + erts_active_code_ix()) == NULL) { + erts_exit(ERTS_ERROR_EXIT, "No function %s:start/0\n", modname); + } + + parent = erts_pid2proc(NULL, 0, parent_pid, ERTS_PROC_LOCK_MAIN); + + so.flags = erts_default_spo_flags|SPO_SYSTEM_PROC; + res = erl_create_process(parent, start_mod, am_start, NIL, &so); + erts_smp_proc_unlock(parent, ERTS_PROC_LOCK_MAIN); + return res; +} + + Eterm erts_preloaded(Process* p) { @@ -464,12 +534,12 @@ load_preloaded(void) length = preload_p[i].size; module_name = erts_atom_put((byte *) name, sys_strlen(name), ERTS_ATOM_ENC_LATIN1, 1); if ((code = sys_preload_begin(&preload_p[i])) == 0) - erl_exit(1, "Failed to find preloaded code for module %s\n", + erts_exit(ERTS_ERROR_EXIT, "Failed to find preloaded code for module %s\n", name); res = erts_preload_module(NULL, 0, NIL, &module_name, code, length); sys_preload_end(&preload_p[i]); if (res != NIL) - erl_exit(1,"Failed loading preloaded module %s (%T)\n", + erts_exit(ERTS_ERROR_EXIT,"Failed loading preloaded module %s (%T)\n", name, res); i++; } @@ -484,94 +554,129 @@ void erts_usage(void) /* erts_fprintf(stderr, "-# number set the number of items to be used in traces etc\n"); */ - erts_fprintf(stderr, "-a size suggested stack size in kilo words for threads\n"); - erts_fprintf(stderr, " in the async-thread pool, valid range is [%d-%d]\n", + erts_fprintf(stderr, "-a size suggested stack size in kilo words for threads\n"); + erts_fprintf(stderr, " in the async-thread pool, valid range is [%d-%d]\n", ERTS_ASYNC_THREAD_MIN_STACK_SIZE, ERTS_ASYNC_THREAD_MAX_STACK_SIZE); - erts_fprintf(stderr, "-A number set number of threads in async thread pool,\n"); - erts_fprintf(stderr, " valid range is [0-%d]\n", + erts_fprintf(stderr, "-A number set number of threads in async thread pool,\n"); + erts_fprintf(stderr, " valid range is [0-%d]\n", ERTS_MAX_NO_OF_ASYNC_THREADS); - erts_fprintf(stderr, "-B[c|d|i] c to have Ctrl-c interrupt the Erlang shell,\n"); - erts_fprintf(stderr, " d (or no extra option) to disable the break\n"); - erts_fprintf(stderr, " handler, i to ignore break signals\n"); + erts_fprintf(stderr, "-B[c|d|i] c to have Ctrl-c interrupt the Erlang shell,\n"); + erts_fprintf(stderr, " d (or no extra option) to disable the break\n"); + erts_fprintf(stderr, " handler, i to ignore break signals\n"); /* erts_fprintf(stderr, "-b func set the boot function (default boot)\n"); */ - erts_fprintf(stderr, "-c disable continuous date/time correction with\n"); - erts_fprintf(stderr, " respect to uptime\n"); - - erts_fprintf(stderr, "-d don't write a crash dump for internally detected errors\n"); - erts_fprintf(stderr, " (halt(String) will still produce a crash dump)\n"); - erts_fprintf(stderr, "-fn[u|a|l] Control how filenames are interpreted\n"); - erts_fprintf(stderr, "-hms size set minimum heap size in words (default %d)\n", + erts_fprintf(stderr, "-c bool enable or disable time correction\n"); + erts_fprintf(stderr, "-C mode set time warp mode; valid modes are:\n"); + erts_fprintf(stderr, " no_time_warp|single_time_warp|multi_time_warp\n"); + erts_fprintf(stderr, "-d don't write a crash dump for internally detected errors\n"); + erts_fprintf(stderr, " (halt(String) will still produce a crash dump)\n"); + erts_fprintf(stderr, "-fn[u|a|l] Control how filenames are interpreted\n"); + erts_fprintf(stderr, "-hms size set minimum heap size in words (default %d)\n", H_DEFAULT_SIZE); - erts_fprintf(stderr, "-hmbs size set minimum binary virtual heap size in words (default %d)\n", + 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"); + erts_fprintf(stderr, " valid values are: off_heap | on_heap\n"); /* erts_fprintf(stderr, "-i module set the boot module (default init)\n"); */ - erts_fprintf(stderr, "-K boolean enable or disable kernel poll\n"); - erts_fprintf(stderr, "-n[s|a|d] Control behavior of signals to ports\n"); - erts_fprintf(stderr, " Note that this flag is deprecated!\n"); - erts_fprintf(stderr, "-M<X> <Y> memory allocator switches,\n"); - erts_fprintf(stderr, " see the erts_alloc(3) documentation for more info.\n"); - erts_fprintf(stderr, "-pc <set> Control what characters are considered printable (default latin1)\n"); - erts_fprintf(stderr, "-P number set maximum number of processes on this node,\n"); - erts_fprintf(stderr, " valid range is [%d-%d]\n", + erts_fprintf(stderr, "-K boolean enable or disable kernel poll\n"); + erts_fprintf(stderr, "-n[s|a|d] Control behavior of signals to ports\n"); + erts_fprintf(stderr, " Note that this flag is deprecated!\n"); + erts_fprintf(stderr, "-M<X> <Y> memory allocator switches,\n"); + erts_fprintf(stderr, " see the erts_alloc(3) documentation for more info.\n"); + erts_fprintf(stderr, "-pc <set> Control what characters are considered printable (default latin1)\n"); + erts_fprintf(stderr, "-P number set maximum number of processes on this node,\n"); + erts_fprintf(stderr, " valid range is [%d-%d]\n", ERTS_MIN_PROCESSES, ERTS_MAX_PROCESSES); - erts_fprintf(stderr, "-Q number set maximum number of ports on this node,\n"); - erts_fprintf(stderr, " valid range is [%d-%d]\n", + erts_fprintf(stderr, "-Q number set maximum number of ports on this node,\n"); + erts_fprintf(stderr, " valid range is [%d-%d]\n", ERTS_MIN_PORTS, ERTS_MAX_PORTS); - erts_fprintf(stderr, "-R number set compatibility release number,\n"); - erts_fprintf(stderr, " valid range [%d-%d]\n", + erts_fprintf(stderr, "-R number set compatibility release number,\n"); + erts_fprintf(stderr, " valid range [%d-%d]\n", this_rel-2, this_rel); - erts_fprintf(stderr, "-r force ets memory block to be moved on realloc\n"); - erts_fprintf(stderr, "-rg amount set reader groups limit\n"); - erts_fprintf(stderr, "-sbt type set scheduler bind type, valid types are:\n"); - erts_fprintf(stderr, "-stbt type u|ns|ts|ps|s|nnts|nnps|tnnps|db\n"); - erts_fprintf(stderr, "-sbwt val set scheduler busy wait threshold, valid values are:\n"); - erts_fprintf(stderr, " none|very_short|short|medium|long|very_long.\n"); - erts_fprintf(stderr, "-scl bool enable/disable compaction of scheduler load,\n"); - erts_fprintf(stderr, " see the erl(1) documentation for more info.\n"); - erts_fprintf(stderr, "-sct cput set cpu topology,\n"); - erts_fprintf(stderr, " see the erl(1) documentation for more info.\n"); - erts_fprintf(stderr, "-sws val set scheduler wakeup strategy, valid values are:\n"); - erts_fprintf(stderr, " default|legacy.\n"); - erts_fprintf(stderr, "-swct val set scheduler wake cleanup threshold, valid values are:\n"); - erts_fprintf(stderr, " very_lazy|lazy|medium|eager|very_eager.\n"); - erts_fprintf(stderr, "-swt val set scheduler wakeup threshold, valid values are:\n"); - erts_fprintf(stderr, " very_low|low|medium|high|very_high.\n"); - erts_fprintf(stderr, "-sss size suggested stack size in kilo words for scheduler threads,\n"); - erts_fprintf(stderr, " valid range is [%d-%d]\n", + erts_fprintf(stderr, "-r force ets memory block to be moved on realloc\n"); + erts_fprintf(stderr, "-rg amount set reader groups limit\n"); + erts_fprintf(stderr, "-sbt type set scheduler bind type, valid types are:\n"); + erts_fprintf(stderr, "-stbt type u|ns|ts|ps|s|nnts|nnps|tnnps|db\n"); + erts_fprintf(stderr, "-sbwt val set scheduler busy wait threshold, valid values are:\n"); + erts_fprintf(stderr, " none|very_short|short|medium|long|very_long.\n"); + erts_fprintf(stderr, "-scl bool enable/disable compaction of scheduler load,\n"); + erts_fprintf(stderr, " see the erl(1) documentation for more info.\n"); + erts_fprintf(stderr, "-sct cput set cpu topology,\n"); + erts_fprintf(stderr, " see the erl(1) documentation for more info.\n"); + erts_fprintf(stderr, "-secio bool enable/disable eager check I/O scheduling,\n"); + erts_fprintf(stderr, " see the erl(1) documentation for more info.\n"); +#if ERTS_HAVE_SCHED_UTIL_BALANCING_SUPPORT_OPT + erts_fprintf(stderr, "-sub bool enable/disable scheduler utilization balancing,\n"); +#else + erts_fprintf(stderr, "-sub false disable scheduler utilization balancing,\n"); +#endif + erts_fprintf(stderr, " see the erl(1) documentation for more info.\n"); + erts_fprintf(stderr, "-sws val set scheduler wakeup strategy, valid values are:\n"); + erts_fprintf(stderr, " default|legacy.\n"); + erts_fprintf(stderr, "-swct val set scheduler wake cleanup threshold, valid values are:\n"); + erts_fprintf(stderr, " very_lazy|lazy|medium|eager|very_eager.\n"); + erts_fprintf(stderr, "-swt val set scheduler wakeup threshold, valid values are:\n"); + erts_fprintf(stderr, " very_low|low|medium|high|very_high.\n"); + erts_fprintf(stderr, "-sss size suggested stack size in kilo words for scheduler threads,\n"); + erts_fprintf(stderr, " valid range is [%d-%d]\n", ERTS_SCHED_THREAD_MIN_STACK_SIZE, ERTS_SCHED_THREAD_MAX_STACK_SIZE); - erts_fprintf(stderr, "-spp Bool set port parallelism scheduling hint\n"); - erts_fprintf(stderr, "-S n1:n2 set number of schedulers (n1), and number of\n"); - erts_fprintf(stderr, " schedulers online (n2), valid range for both\n"); - erts_fprintf(stderr, " numbers are [1-%d]\n", + erts_fprintf(stderr, "-spp Bool set port parallelism scheduling hint\n"); + erts_fprintf(stderr, "-S n1:n2 set number of schedulers (n1), and number of\n"); + erts_fprintf(stderr, " schedulers online (n2), maximum for both\n"); + erts_fprintf(stderr, " numbers is %d\n", ERTS_MAX_NO_OF_SCHEDULERS); - erts_fprintf(stderr, "-t size set the maximum number of atoms the " - "emulator can handle\n"); - erts_fprintf(stderr, " valid range is [%d-%d]\n", + erts_fprintf(stderr, "-SP p1:p2 specify schedulers (p1) and schedulers online (p2)\n"); + erts_fprintf(stderr, " as percentages of logical processors configured and logical\n"); + erts_fprintf(stderr, " processors available, respectively\n"); +#ifdef ERTS_DIRTY_SCHEDULERS + erts_fprintf(stderr, "-SDcpu n1:n2 set number of dirty CPU schedulers (n1), and number of\n"); + erts_fprintf(stderr, " dirty CPU schedulers online (n2), valid range for both\n"); + erts_fprintf(stderr, " numbers is [1-%d], and n2 must be less than or equal to n1\n", + ERTS_MAX_NO_OF_DIRTY_CPU_SCHEDULERS); + erts_fprintf(stderr, "-SDPcpu p1:p2 specify dirty CPU schedulers (p1) and dirty CPU schedulers\n"); + erts_fprintf(stderr, " online (p2) as percentages of logical processors configured\n"); + erts_fprintf(stderr, " and logical processors available, respectively\n"); + erts_fprintf(stderr, "-SDio n set number of dirty I/O schedulers, valid range is [0-%d]\n", + ERTS_MAX_NO_OF_DIRTY_IO_SCHEDULERS); +#endif + erts_fprintf(stderr, "-t size set the maximum number of atoms the emulator can handle\n"); + erts_fprintf(stderr, " valid range is [%d-%d]\n", MIN_ATOM_TABLE_SIZE, MAX_ATOM_TABLE_SIZE); - erts_fprintf(stderr, "-T number set modified timing level,\n"); - erts_fprintf(stderr, " valid range is [0-%d]\n", + erts_fprintf(stderr, "-T number set modified timing level, valid range is [0-%d]\n", ERTS_MODIFIED_TIMING_LEVELS-1); - erts_fprintf(stderr, "-V print Erlang version\n"); - - erts_fprintf(stderr, "-v turn on chatty mode (GCs will be reported etc)\n"); - - erts_fprintf(stderr, "-W<i|w> set error logger warnings mapping,\n"); - erts_fprintf(stderr, " see error_logger documentation for details\n"); - erts_fprintf(stderr, "-zdbbl size set the distribution buffer busy limit in kilobytes\n"); - erts_fprintf(stderr, " valid range is [1-%d]\n", INT_MAX/1024); + erts_fprintf(stderr, "-V print Erlang version\n"); + + erts_fprintf(stderr, "-v turn on chatty mode (GCs will be reported etc)\n"); + + erts_fprintf(stderr, "-W<i|w|e> set error logger warnings mapping,\n"); + erts_fprintf(stderr, " see error_logger documentation for details\n"); + erts_fprintf(stderr, "-zdbbl size set the distribution buffer busy limit in kilobytes\n"); + erts_fprintf(stderr, " valid range is [1-%d]\n", INT_MAX/1024); + erts_fprintf(stderr, "-zdntgc time set delayed node table gc in seconds\n"); + erts_fprintf(stderr, " valid values are infinity or intergers in the range [0-%d]\n", + ERTS_NODE_TAB_DELAY_GC_MAX); +#if 0 + erts_fprintf(stderr, "-zebwt val set ets busy wait threshold, valid values are:\n"); + erts_fprintf(stderr, " none|very_short|short|medium|long|very_long|extremely_long\n"); +#endif erts_fprintf(stderr, "\n"); erts_fprintf(stderr, "Note that if the emulator is started with erlexec (typically\n"); erts_fprintf(stderr, "from the erl script), these flags should be specified with +.\n"); erts_fprintf(stderr, "\n\n"); - erl_exit(-1, ""); + erts_exit(1, ""); } #ifdef USE_THREADS @@ -631,21 +736,37 @@ early_init(int *argc, char **argv) /* int ncpuavail; int schdlrs; int schdlrs_onln; + int schdlrs_percentage = 100; + int schdlrs_onln_percentage = 100; int max_main_threads; +#ifdef ERTS_DIRTY_SCHEDULERS + int dirty_cpu_scheds; + int dirty_cpu_scheds_online; + int dirty_cpu_scheds_pctg = 100; + int dirty_cpu_scheds_onln_pctg = 100; + int dirty_io_scheds; +#endif int max_reader_groups; int reader_groups; char envbuf[21]; /* enough for any 64-bit integer */ size_t envbufsz; +#if defined(USE_THREADS) && !defined(ERTS_SMP) + erts_main_thread = erts_thr_self(); +#endif + + erts_save_emu_args(*argc, argv); + erts_sched_compact_load = 1; erts_printf_eterm_func = erts_printf_term; - erts_disable_tolerant_timeofday = 0; display_items = 200; erts_backtrace_depth = DEFAULT_BACKTRACE_SIZE; erts_async_max_threads = ERTS_DEFAULT_NO_ASYNC_THREADS; 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; @@ -680,7 +801,7 @@ early_init(int *argc, char **argv) /* #endif #ifdef ERTS_SMP erts_smp_atomic32_init_nob(&erts_writing_erl_crash_dump, 0L); - erts_tsd_key_create(&erts_is_crash_dumping_key); + erts_tsd_key_create(&erts_is_crash_dumping_key,"erts_is_crash_dumping_key"); #else erts_writing_erl_crash_dump = 0; #endif @@ -689,9 +810,6 @@ early_init(int *argc, char **argv) /* (erts_aint32_t) ((Uint16) -1)); erts_pre_init_process(); -#if defined(USE_THREADS) && !defined(ERTS_SMP) - main_thread = erts_thr_self(); -#endif /* * We need to know the number of schedulers to use before we @@ -705,6 +823,12 @@ early_init(int *argc, char **argv) /* schdlrs = no_schedulers; schdlrs_onln = no_schedulers_online; +#ifdef ERTS_DIRTY_SCHEDULERS + dirty_cpu_scheds = no_schedulers; + dirty_cpu_scheds_online = no_schedulers_online; + dirty_io_scheds = 10; +#endif + envbufsz = sizeof(envbuf); /* erts_sys_getenv(_raw)() not initialized yet; need erts_sys_getenv__() */ @@ -745,7 +869,7 @@ early_init(int *argc, char **argv) /* case 'A': { /* set number of threads in thread pool */ char *arg = get_arg(argv[i]+2, argv[i+1], &i); - if (((erts_async_max_threads = atoi(arg)) < 0) || + if (((erts_async_max_threads = atoi(arg)) < ERTS_MIN_NO_OF_ASYNC_THREADS) || (erts_async_max_threads > ERTS_MAX_NO_OF_ASYNC_THREADS)) { erts_fprintf(stderr, "bad number of async threads %s\n", @@ -756,63 +880,257 @@ early_init(int *argc, char **argv) /* } break; } - case 'S' : { - int tot, onln; - char *arg = get_arg(argv[i]+2, argv[i+1], &i); - switch (sscanf(arg, "%d:%d", &tot, &onln)) { - case 0: - switch (sscanf(arg, ":%d", &onln)) { + case 'S' : + if (argv[i][2] == 'P') { + int ptot, ponln; + char *arg = get_arg(argv[i]+3, argv[i+1], &i); + switch (sscanf(arg, "%d:%d", &ptot, &ponln)) { + case 0: + switch (sscanf(arg, ":%d", &ponln)) { + case 1: + if (ponln < 0) + goto bad_SP; + ptot = 100; + goto chk_SP; + default: + goto bad_SP; + } case 1: - tot = no_schedulers; - goto chk_S; + if (ptot < 0) + goto bad_SP; + ponln = ptot < 100 ? ptot : 100; + goto chk_SP; + case 2: + if (ptot < 0 || ponln < 0) + goto bad_SP; + chk_SP: + schdlrs_percentage = ptot; + schdlrs_onln_percentage = ponln; + break; default: - goto bad_S; - } - case 1: - onln = tot < schdlrs_onln ? tot : schdlrs_onln; - case 2: - chk_S: - if (tot > 0) - schdlrs = tot; - else - schdlrs = no_schedulers + tot; - if (onln > 0) - schdlrs_onln = onln; - else - schdlrs_onln = no_schedulers_online + onln; - if (schdlrs < 1 || ERTS_MAX_NO_OF_SCHEDULERS < schdlrs) { + bad_SP: + erts_fprintf(stderr, + "bad schedulers percentage specifier %s\n", + arg); + erts_usage(); + break; + } + + VERBOSE(DEBUG_SYSTEM, + ("using %d:%d scheduler percentages\n", + schdlrs_percentage, schdlrs_onln_percentage)); + } +#ifdef ERTS_DIRTY_SCHEDULERS + else if (argv[i][2] == 'D') { + char *arg; + char *type = argv[i]+3; + if (strncmp(type, "Pcpu", 4) == 0) { + int ptot, ponln; + arg = get_arg(argv[i]+7, argv[i+1], &i); + switch (sscanf(arg, "%d:%d", &ptot, &ponln)) { + case 0: + switch (sscanf(arg, ":%d", &ponln)) { + case 1: + if (ponln < 0) + goto bad_SDPcpu; + ptot = 100; + goto chk_SDPcpu; + default: + goto bad_SDPcpu; + } + case 1: + if (ptot < 0) + goto bad_SDPcpu; + ponln = ptot < 100 ? ptot : 100; + goto chk_SDPcpu; + case 2: + if (ptot < 0 || ponln < 0) + goto bad_SDPcpu; + chk_SDPcpu: + dirty_cpu_scheds_pctg = ptot; + dirty_cpu_scheds_onln_pctg = ponln; + break; + default: + bad_SDPcpu: + erts_fprintf(stderr, + "bad dirty CPU schedulers percentage specifier %s\n", + arg); + erts_usage(); + break; + } + VERBOSE(DEBUG_SYSTEM, + ("using %d:%d dirty CPU scheduler percentages\n", + dirty_cpu_scheds_pctg, dirty_cpu_scheds_onln_pctg)); + } else if (strncmp(type, "cpu", 3) == 0) { + int tot, onln; + arg = get_arg(argv[i]+6, argv[i+1], &i); + switch (sscanf(arg, "%d:%d", &tot, &onln)) { + case 0: + switch (sscanf(arg, ":%d", &onln)) { + case 1: + tot = no_schedulers; + goto chk_SDcpu; + default: + goto bad_SDcpu; + } + case 1: + onln = tot < dirty_cpu_scheds_online ? + tot : dirty_cpu_scheds_online; + case 2: + chk_SDcpu: + if (tot > 0) + dirty_cpu_scheds = tot; + else + dirty_cpu_scheds = no_schedulers + tot; + if (onln > 0) + dirty_cpu_scheds_online = onln; + else + dirty_cpu_scheds_online = no_schedulers_online + onln; + if (dirty_cpu_scheds < 1 || + ERTS_MAX_NO_OF_DIRTY_CPU_SCHEDULERS < dirty_cpu_scheds) { + erts_fprintf(stderr, + "bad amount of dirty CPU schedulers %d\n", + tot); + erts_usage(); + } + if (dirty_cpu_scheds_online < 1 || + dirty_cpu_scheds < dirty_cpu_scheds_online) { + erts_fprintf(stderr, + "bad amount of dirty CPU schedulers online %d " + "(total amount of dirty CPU schedulers %d)\n", + dirty_cpu_scheds_online, dirty_cpu_scheds); + erts_usage(); + } + break; + default: + bad_SDcpu: + erts_fprintf(stderr, + "bad amount of dirty CPU schedulers %s\n", + arg); + erts_usage(); + break; + } + VERBOSE(DEBUG_SYSTEM, + ("using %d:%d dirty CPU scheduler(s)\n", tot, onln)); + } else if (strncmp(type, "io", 2) == 0) { + arg = get_arg(argv[i]+5, argv[i+1], &i); + dirty_io_scheds = atoi(arg); + if (dirty_io_scheds < 0 || + dirty_io_scheds > ERTS_MAX_NO_OF_DIRTY_IO_SCHEDULERS) { + erts_fprintf(stderr, + "bad number of dirty I/O schedulers %s\n", + arg); + erts_usage(); + } + VERBOSE(DEBUG_SYSTEM, + ("using %d dirty I/O scheduler(s)\n", dirty_io_scheds)); + } else { erts_fprintf(stderr, - "bad amount of schedulers %d\n", - tot); + "bad or missing dirty scheduler specifier: %s\n", + argv[i]); erts_usage(); + break; } - if (schdlrs_onln < 1 || schdlrs < schdlrs_onln) { + } +#endif + else { + int tot, onln; + char *arg = get_arg(argv[i]+2, argv[i+1], &i); + switch (sscanf(arg, "%d:%d", &tot, &onln)) { + case 0: + switch (sscanf(arg, ":%d", &onln)) { + case 1: + tot = no_schedulers; + goto chk_S; + default: + goto bad_S; + } + case 1: + onln = tot < schdlrs_onln ? tot : schdlrs_onln; + case 2: + chk_S: + if (tot > 0) + schdlrs = tot; + else + schdlrs = no_schedulers + tot; + if (onln > 0) + schdlrs_onln = onln; + else + schdlrs_onln = no_schedulers_online + onln; + if (schdlrs < 1 || ERTS_MAX_NO_OF_SCHEDULERS < schdlrs) { + erts_fprintf(stderr, + "bad amount of schedulers %d\n", + tot); + erts_usage(); + } + if (schdlrs_onln < 1 || schdlrs < schdlrs_onln) { + erts_fprintf(stderr, + "bad amount of schedulers online %d " + "(total amount of schedulers %d)\n", + schdlrs_onln, schdlrs); + erts_usage(); + } + break; + default: + bad_S: erts_fprintf(stderr, - "bad amount of schedulers online %d " - "(total amount of schedulers %d)\n", - schdlrs_onln, schdlrs); + "bad amount of schedulers %s\n", + arg); erts_usage(); + break; } - break; - default: - bad_S: - erts_fprintf(stderr, - "bad amount of schedulers %s\n", - arg); - erts_usage(); - break; - } - VERBOSE(DEBUG_SYSTEM, - ("using %d:%d scheduler(s)\n", tot, onln)); - break; - } + VERBOSE(DEBUG_SYSTEM, + ("using %d:%d scheduler(s)\n", tot, onln)); + } + break; default: break; } } i++; } + +#ifdef ERTS_SMP + /* apply any scheduler percentages */ + if (schdlrs_percentage != 100 || schdlrs_onln_percentage != 100) { + schdlrs = schdlrs * schdlrs_percentage / 100; + schdlrs_onln = schdlrs_onln * schdlrs_onln_percentage / 100; + if (schdlrs < 1) + schdlrs = 1; + if (ERTS_MAX_NO_OF_SCHEDULERS < schdlrs) { + erts_fprintf(stderr, + "bad schedulers percentage %d " + "(total amount of schedulers %d)\n", + schdlrs_percentage, schdlrs); + erts_usage(); + } + if (schdlrs_onln < 1) + schdlrs_onln = 1; + if (schdlrs < schdlrs_onln) { + erts_fprintf(stderr, + "bad schedulers online percentage %d " + "(total amount of schedulers %d, online %d)\n", + schdlrs_onln_percentage, schdlrs, schdlrs_onln); + erts_usage(); + } + } +#else + /* Silence gcc warnings */ + (void)schdlrs_percentage; + (void)schdlrs_onln_percentage; +#endif +#ifdef ERTS_DIRTY_SCHEDULERS + /* apply any dirty scheduler precentages */ + if (dirty_cpu_scheds_pctg != 100 || dirty_cpu_scheds_onln_pctg != 100) { + dirty_cpu_scheds = dirty_cpu_scheds * dirty_cpu_scheds_pctg / 100; + dirty_cpu_scheds_online = dirty_cpu_scheds_online * dirty_cpu_scheds_onln_pctg / 100; + } + if (dirty_cpu_scheds > schdlrs) + dirty_cpu_scheds = schdlrs; + if (dirty_cpu_scheds_online > schdlrs_onln) + dirty_cpu_scheds_online = schdlrs_onln; +#endif } #ifndef USE_THREADS @@ -825,6 +1143,11 @@ early_init(int *argc, char **argv) /* erts_no_schedulers = (Uint) no_schedulers; #endif +#ifdef ERTS_DIRTY_SCHEDULERS + erts_no_dirty_cpu_schedulers = no_dirty_cpu_schedulers = dirty_cpu_scheds; + no_dirty_cpu_schedulers_online = dirty_cpu_scheds_online; + erts_no_dirty_io_schedulers = no_dirty_io_schedulers = dirty_io_scheds; +#endif erts_early_init_scheduling(no_schedulers); alloc_opts.ncpu = ncpu; @@ -842,10 +1165,18 @@ early_init(int *argc, char **argv) /* * * * Unmanaged threads that need to register: * ** Async threads (see erl_async.c) + * ** Dirty scheduler threads */ erts_thr_progress_init(no_schedulers, no_schedulers+2, - erts_async_max_threads); +#ifndef ERTS_DIRTY_SCHEDULERS + erts_async_max_threads +#else + erts_async_max_threads + + erts_no_dirty_cpu_schedulers + + erts_no_dirty_io_schedulers +#endif + ); #endif erts_thr_q_init(); erts_init_utils(); @@ -872,6 +1203,7 @@ early_init(int *argc, char **argv) /* erts_thr_late_init(&elid); } #endif + erts_msacc_early_init(); #ifdef ERTS_ENABLE_LOCK_CHECK erts_lc_late_init(); @@ -932,7 +1264,14 @@ erl_start(int argc, char **argv) int port_tab_sz_ignore_files = 0; int legacy_proc_tab = 0; int legacy_port_tab = 0; + int time_correction; + ErtsTimeWarpMode time_warp_mode; + int node_tab_delete_delay = ERTS_NODE_TAB_DELAY_GC_DEFAULT; + ErtsDbSpinCount db_spin_count = ERTS_DB_SPNCNT_NORMAL; + Eterm otp_ring0_pid; + set_default_time_adj(&time_correction, + &time_warp_mode); envbufsz = sizeof(envbuf); if (erts_sys_getenv_raw(ERL_MAX_ETS_TABLES_ENV, envbuf, &envbufsz) == 0) @@ -964,7 +1303,7 @@ erl_start(int argc, char **argv) verbose = DEBUG_DEFAULT; #endif - erts_error_logger_warnings = am_error; + erts_error_logger_warnings = am_warning; while (i < argc) { if (argv[i][0] != '-') { @@ -1099,6 +1438,7 @@ erl_start(int argc, char **argv) case 't': verbose |= DEBUG_THREADS; break; case 'p': verbose |= DEBUG_PROCESSES; break; case 'm': verbose |= DEBUG_MESSAGES; break; + case 'c': verbose |= DEBUG_SHCOPY; break; default : erts_fprintf(stderr,"Unknown verbose option: %c\n",*ch); } } @@ -1111,6 +1451,7 @@ erl_start(int argc, char **argv) if (verbose & DEBUG_THREADS) erts_printf("THREADS "); if (verbose & DEBUG_PROCESSES) erts_printf("PROCESSES "); if (verbose & DEBUG_MESSAGES) erts_printf("MESSAGES "); + if (verbose & DEBUG_SHCOPY) erts_printf("SHCOPY "); erts_printf("\n"); #else erts_fprintf(stderr, "warning: -v (only in debug compiled code)\n"); @@ -1139,7 +1480,7 @@ erl_start(int argc, char **argv) } erts_fprintf(stderr, "(" EMULATOR ") emulator version " ERLANG_VERSION "\n"); - erl_exit(0, ""); + erts_exit(0, ""); } break; @@ -1151,8 +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|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)) { @@ -1170,6 +1516,64 @@ erl_start(int argc, char **argv) erts_usage(); } VERBOSE(DEBUG_SYSTEM, ("using minimum heap size %d\n", H_MIN_SIZE)); + } else if (has_prefix("pds", sub_param)) { + arg = get_arg(sub_param+3, argv[i+1], &i); + if (!erts_pd_set_initial_size(atoi(arg))) { + erts_fprintf(stderr, "bad initial process dictionary size %s\n", arg); + erts_usage(); + } + VERBOSE(DEBUG_SYSTEM, ("using initial process dictionary size %d\n", + erts_pd_initial_size)); + } else if (has_prefix("mqd", sub_param)) { + arg = get_arg(sub_param+3, argv[i+1], &i); + if (sys_strcmp(arg, "on_heap") == 0) { + erts_default_spo_flags &= ~SPO_OFF_HEAP_MSGQ; + erts_default_spo_flags |= SPO_ON_HEAP_MSGQ; + } + else if (sys_strcmp(arg, "off_heap") == 0) { + erts_default_spo_flags &= ~SPO_ON_HEAP_MSGQ; + erts_default_spo_flags |= SPO_OFF_HEAP_MSGQ; + } + else { + erts_fprintf(stderr, + "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); @@ -1310,7 +1714,18 @@ erl_start(int argc, char **argv) break; case 'S' : /* Was handled in early_init() just read past it */ - (void) get_arg(argv[i]+2, argv[i+1], &i); + if (argv[i][2] == 'D') { + char* type = argv[i]+3; + if (strcmp(type, "Pcpu") == 0) + (void) get_arg(argv[i]+7, argv[i+1], &i); + if (strcmp(type, "cpu") == 0) + (void) get_arg(argv[i]+6, argv[i+1], &i); + else if (strcmp(type, "io") == 0) + (void) get_arg(argv[i]+5, argv[i+1], &i); + } else if (argv[i][2] == 'P') + (void) get_arg(argv[i]+3, argv[i+1], &i); + else + (void) get_arg(argv[i]+2, argv[i+1], &i); break; case 's' : { @@ -1354,8 +1769,10 @@ erl_start(int argc, char **argv) } else if (has_prefix("cl", sub_param)) { arg = get_arg(sub_param+2, argv[i+1], &i); - if (sys_strcmp("true", arg) == 0) + if (sys_strcmp("true", arg) == 0) { erts_sched_compact_load = 1; + erts_sched_balance_util = 0; + } else if (sys_strcmp("false", arg) == 0) erts_sched_compact_load = 0; else { @@ -1408,6 +1825,22 @@ erl_start(int argc, char **argv) erts_usage(); } } + else if (has_prefix("ecio", sub_param)) { + arg = get_arg(sub_param+4, argv[i+1], &i); +#ifndef __OSE__ + if (sys_strcmp("true", arg) == 0) + erts_eager_check_io = 1; + else +#endif + if (sys_strcmp("false", arg) == 0) + erts_eager_check_io = 0; + else { + erts_fprintf(stderr, + "bad schedule eager check I/O value '%s'\n", + arg); + erts_usage(); + } + } else if (has_prefix("pp", sub_param)) { arg = get_arg(sub_param+2, argv[i+1], &i); if (sys_strcmp(arg, "true") == 0) @@ -1433,6 +1866,26 @@ erl_start(int argc, char **argv) erts_usage(); } } + else if (has_prefix("ub", sub_param)) { + arg = get_arg(sub_param+2, argv[i+1], &i); + if (sys_strcmp("true", arg) == 0) { +#if ERTS_HAVE_SCHED_UTIL_BALANCING_SUPPORT_OPT + erts_sched_balance_util = 1; +#else + erts_fprintf(stderr, + "scheduler utilization balancing not " + "supported on this system\n"); + erts_usage(); +#endif + } + else if (sys_strcmp("false", arg) == 0) + erts_sched_balance_util = 0; + else { + erts_fprintf(stderr, "bad scheduler utilization balancing " + " value '%s'\n", arg); + erts_usage(); + } + } else if (has_prefix("wct", sub_param)) { arg = get_arg(sub_param+3, argv[i+1], &i); if (erts_sched_set_wake_cleanup_threshold(arg) != 0) { @@ -1592,15 +2045,51 @@ erl_start(int argc, char **argv) } break; } + case 'C': + arg = get_arg(argv[i]+2, argv[i+1], &i); + if (sys_strcmp(arg, "no_time_warp") == 0) + time_warp_mode = ERTS_NO_TIME_WARP_MODE; + else if (sys_strcmp(arg, "single_time_warp") == 0) + time_warp_mode = ERTS_SINGLE_TIME_WARP_MODE; + else if (sys_strcmp(arg, "multi_time_warp") == 0) + time_warp_mode = ERTS_MULTI_TIME_WARP_MODE; + else { + erts_fprintf(stderr, + "Invalid time warp mode: %s\n", arg); + erts_usage(); + } + break; case 'c': - if (argv[i][2] == 0) { /* -c: documented option */ - erts_disable_tolerant_timeofday = 1; + if (sys_strcmp(argv[i]+2, "false") == 0) + goto time_correction_false; + else if (sys_strcmp(argv[i]+2, "true") == 0) + goto time_correction_true; + else if (argv[i][2] == '\0') { + if (i + 1 >= argc) + goto time_correction_false; + else { + if (sys_strcmp(argv[i+1], "false") == 0) { + (void) get_arg(argv[i]+2, argv[i+1], &i); + goto time_correction_false; + } + else if (sys_strcmp(argv[i+1], "true") == 0) { + (void) get_arg(argv[i]+2, argv[i+1], &i); + time_correction_true: + time_correction = 1; + break; + } + else { + time_correction_false: + time_correction = 0; + break; + } + } } -#ifdef ERTS_OPCODE_COUNTER_SUPPORT - else if (argv[i][2] == 'i') { /* -ci: undcoumented option*/ - count_instructions = 1; + else { + arg = get_arg(argv[i]+2, argv[i+1], &i); + erts_fprintf(stderr, "Invalid time correnction value: %s\n", arg); + erts_usage(); } -#endif break; case 'W': arg = get_arg(argv[i]+2, argv[i+1], &i); @@ -1608,11 +2097,12 @@ erl_start(int argc, char **argv) case 'i': erts_error_logger_warnings = am_info; break; + case 'e': + erts_error_logger_warnings = am_error; + break; case 'w': erts_error_logger_warnings = am_warning; break; - case 'e': /* The default */ - erts_error_logger_warnings = am_error; default: erts_fprintf(stderr, "unrecognized warning_map option %s\n", arg); erts_usage(); @@ -1621,9 +2111,9 @@ erl_start(int argc, char **argv) case 'z': { char *sub_param = argv[i]+2; - int new_limit; if (has_prefix("dbbl", sub_param)) { + int new_limit; arg = get_arg(sub_param+4, argv[i+1], &i); new_limit = atoi(arg); if (new_limit < 1 || INT_MAX/1024 < new_limit) { @@ -1632,7 +2122,48 @@ erl_start(int argc, char **argv) } else { erts_dist_buf_busy_limit = new_limit*1024; } - } else { + } + else if (has_prefix("dntgc", sub_param)) { + long secs; + + arg = get_arg(sub_param+5, argv[i+1], &i); + if (sys_strcmp(arg, "infinity") == 0) + secs = ERTS_NODE_TAB_DELAY_GC_INFINITY; + else { + char *endptr; + errno = 0; + secs = strtol(arg, &endptr, 10); + if (errno != 0 || *arg == '\0' || *endptr != '\0' + || secs < 0 || ERTS_NODE_TAB_DELAY_GC_MAX < secs) { + erts_fprintf(stderr, "Invalid delayed node table gc: %s\n", arg); + erts_usage(); + } + } + node_tab_delete_delay = (int) secs; + } + else if (has_prefix("ebwt", sub_param)) { + arg = get_arg(sub_param+4, argv[i+1], &i); + if (sys_strcmp(arg, "none") == 0) + db_spin_count = ERTS_DB_SPNCNT_NONE; + else if (sys_strcmp(arg, "very_short") == 0) + db_spin_count = ERTS_DB_SPNCNT_VERY_LOW; + else if (sys_strcmp(arg, "short") == 0) + db_spin_count = ERTS_DB_SPNCNT_LOW; + else if (sys_strcmp(arg, "medium") == 0) + db_spin_count = ERTS_DB_SPNCNT_NORMAL; + else if (sys_strcmp(arg, "long") == 0) + db_spin_count = ERTS_DB_SPNCNT_HIGH; + else if (sys_strcmp(arg, "very_long") == 0) + db_spin_count = ERTS_DB_SPNCNT_VERY_HIGH; + else if (sys_strcmp(arg, "extremely_long") == 0) + db_spin_count = ERTS_DB_SPNCNT_EXTREMELY_HIGH; + else { + erts_fprintf(stderr, + "Invalid ets busy wait threshold: %s\n", arg); + erts_usage(); + } + } + else { erts_fprintf(stderr, "bad -z option %s\n", argv[i]); erts_usage(); } @@ -1646,6 +2177,30 @@ erl_start(int argc, char **argv) i++; } + if (!erts_check_time_adj_support(time_correction, time_warp_mode)) { + char *time_correction_str = time_correction ? "Enabled" : "Disabled"; + char *time_warp_str = "undefined"; + switch (time_warp_mode) { + case ERTS_NO_TIME_WARP_MODE: + time_warp_str = "no"; + break; + case ERTS_SINGLE_TIME_WARP_MODE: + time_warp_str = "single"; + break; + case ERTS_MULTI_TIME_WARP_MODE: + time_warp_str = "multi"; + break; + default: + time_warp_str = "undefined"; + break; + } + erts_fprintf(stderr, "%s time correction with %s time warp mode " + "is not supported on this platform\n", + time_correction_str, + time_warp_str); + erts_usage(); + } + /* Output format on windows for sprintf defaults to three exponents. * We use two-exponent to mimic normal sprintf behaviour. */ @@ -1669,6 +2224,7 @@ erl_start(int argc, char **argv) init_break_handler(); if (replace_intr) erts_replace_intr(); + sys_init_suspend_handler(); #endif boot_argc = argc - i; /* Number of arguments to init */ @@ -1679,7 +2235,11 @@ erl_start(int argc, char **argv) legacy_proc_tab, port_tab_sz, port_tab_sz_ignore_files, - legacy_port_tab); + legacy_port_tab, + time_correction, + time_warp_mode, + node_tab_delete_delay, + db_spin_count); load_preloaded(); erts_end_staging_code_ix(); @@ -1687,7 +2247,10 @@ erl_start(int argc, char **argv) erts_initialized = 1; - erl_first_process_otp("otp_ring0", NULL, 0, boot_argc, boot_argv); + otp_ring0_pid = erl_first_process_otp("otp_ring0", NULL, 0, + boot_argc, boot_argv); + + (void) erl_system_process_otp(otp_ring0_pid, "erts_code_purger"); #ifdef ERTS_SMP erts_start_schedulers(); @@ -1695,13 +2258,18 @@ erl_start(int argc, char **argv) erts_sys_main_thread(); /* May or may not return! */ #else - erts_thr_set_main_status(1, 1); + { + ErtsSchedulerData *esdp = erts_get_scheduler_data(); + erts_msacc_init_thread("scheduler", 1, 1); + erts_thr_set_main_status(1, 1); #if ERTS_USE_ASYNC_READY_Q - erts_get_scheduler_data()->aux_work_data.async_ready.queue - = erts_get_async_ready_queue(1); + esdp->aux_work_data.async_ready.queue + = erts_get_async_ready_queue(1); #endif - set_main_stack_size(); - process_main(); + set_main_stack_size(); + erts_sched_init_time_sup(esdp); + process_main(); + } #endif } @@ -1758,7 +2326,7 @@ system_cleanup(int flush_async) if (!flush_async || !erts_initialized #if defined(USE_THREADS) && !defined(ERTS_SMP) - || !erts_equal_tids(main_thread, erts_thr_self()) + || !erts_equal_tids(erts_main_thread, erts_thr_self()) #endif ) return; @@ -1773,21 +2341,17 @@ system_cleanup(int flush_async) } static __decl_noreturn void __noreturn -erl_exit_vv(int n, int flush_async, char *fmt, va_list args1, va_list args2) +erts_exit_vv(int n, int flush_async, char *fmt, va_list args1, va_list args2) { - unsigned int an; - system_cleanup(flush_async); save_statistics(); - an = abs(n); - if (erts_mtrace_enabled) - erts_mtrace_exit((Uint32) an); + erts_mtrace_exit((Uint32) n); /* Produce an Erlang core dump if error */ - if (((n > 0 && erts_no_crash_dump == 0) || n == ERTS_DUMP_EXIT) + if (((n == ERTS_ERROR_EXIT && erts_no_crash_dump == 0) || n == ERTS_DUMP_EXIT) && erts_initialized) { erl_crash_dump_v((char*) NULL, 0, fmt, args1); } @@ -1800,29 +2364,29 @@ erl_exit_vv(int n, int flush_async, char *fmt, va_list args1, va_list args2) exit(0); else if (n == ERTS_DUMP_EXIT) ERTS_EXIT_AFTER_DUMP(1); - else if (n > 0 || n == ERTS_ABORT_EXIT) + else if (n == ERTS_ERROR_EXIT || n == ERTS_ABORT_EXIT) abort(); - exit(an); + exit(n); } /* Exit without flushing async threads */ -__decl_noreturn void __noreturn erl_exit(int n, char *fmt, ...) +__decl_noreturn void __noreturn erts_exit(int n, char *fmt, ...) { va_list args1, args2; va_start(args1, fmt); va_start(args2, fmt); - erl_exit_vv(n, 0, fmt, args1, args2); + erts_exit_vv(n, 0, fmt, args1, args2); va_end(args2); va_end(args1); } /* Exit after flushing async threads */ -__decl_noreturn void __noreturn erl_exit_flush_async(int n, char *fmt, ...) +__decl_noreturn void __noreturn erts_flush_async_exit(int n, char *fmt, ...) { va_list args1, args2; va_start(args1, fmt); va_start(args2, fmt); - erl_exit_vv(n, 1, fmt, args1, args2); + erts_exit_vv(n, 1, fmt, args1, args2); va_end(args2); va_end(args1); } |