diff options
Diffstat (limited to 'erts')
26 files changed, 937 insertions, 243 deletions
diff --git a/erts/doc/src/absform.xml b/erts/doc/src/absform.xml index 13756ddfdc..6d6ba224a0 100644 --- a/erts/doc/src/absform.xml +++ b/erts/doc/src/absform.xml @@ -636,6 +636,9 @@ <item>If A is an association type <c>K => V</c>, where <c>K</c> and <c>V</c> are types, then Rep(A) = <c>{type,LINE,map_field_assoc,[Rep(K),Rep(V)]}</c>.</item> + <item>If A is an association type <c>K := V</c>, where + <c>K</c> and <c>V</c> are types, then Rep(A) = + <c>{type,LINE,map_field_exact,[Rep(K),Rep(V)]}</c>.</item> </list> </section> diff --git a/erts/doc/src/erl_dist_protocol.xml b/erts/doc/src/erl_dist_protocol.xml index b435d5c9b4..f9fa981d9a 100644 --- a/erts/doc/src/erl_dist_protocol.xml +++ b/erts/doc/src/erl_dist_protocol.xml @@ -364,14 +364,14 @@ If Result > 0, the packet only consists of [119, Result]. NodeInfo is, as expressed in Erlang: </p> <code> - io:format("active name ~ts at port ~p, fd = ~p ~n", + io:format("active name ~ts at port ~p, fd = ~p~n", [NodeName, Port, Fd]). </code> <p> or </p> <code> - io:format("old/unused name ~ts at port ~p, fd = ~p~n", + io:format("old/unused name ~ts at port ~p, fd = ~p ~n", [NodeName, Port, Fd]). </code> diff --git a/erts/doc/src/erl_tracer.xml b/erts/doc/src/erl_tracer.xml index 1e8e78b25f..2075b962d8 100644 --- a/erts/doc/src/erl_tracer.xml +++ b/erts/doc/src/erl_tracer.xml @@ -54,6 +54,14 @@ </description> <datatypes> + <datatype> <name name="trace_tag_send" /> </datatype> + <datatype> <name name="trace_tag_receive" /> </datatype> + <datatype> <name name="trace_tag_call" /> </datatype> + <datatype> <name name="trace_tag_procs" /> </datatype> + <datatype> <name name="trace_tag_ports" /> </datatype> + <datatype> <name name="trace_tag_running_procs" /> </datatype> + <datatype> <name name="trace_tag_running_ports" /> </datatype> + <datatype> <name name="trace_tag_gc" /> </datatype> <datatype> <name name="trace_tag" /> <desc> @@ -105,6 +113,29 @@ <title>CALLBACK FUNCTIONS</title> <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> + <item>Mandatory</item> + <tag><seealso marker="#trace"><c>Module:trace/6</c></seealso></tag> + <item>Mandatory</item> + <tag><seealso marker="#enabled_procs"><c>Module:enabled_procs/3</c></seealso></tag> + <item>Optional</item> + <tag><seealso marker="#trace_procs"><c>Module:trace_procs/6</c></seealso></tag> + <item>Optional</item> + <tag><seealso marker="#enabled_ports"><c>Module:enabled_ports/3</c></seealso></tag> + <item>Optional</item> + <tag><seealso marker="#trace_ports"><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> + <item>Optional</item> + <tag><seealso marker="#trace_running_ports"><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> + <item>Optional</item> + <tag><seealso marker="#trace_running_procs"><c>Module:trace_running_procs/6</c></seealso></tag> + <item>Optional</item> + </taglist> + </section> <marker id="enabled"></marker> <funcs> @@ -114,11 +145,11 @@ <type> <v>TraceTag = <seealso marker="#type-trace_tag">trace_tag()</seealso> | trace_status</v> <v>TracerState = term()</v> - <v>Tracee = <seealso marker="#type-trace_tag">tracee()</seealso></v> + <v>Tracee = <seealso marker="#type-tracee">tracee()</seealso></v> <v>Result = trace | discard | remove</v> </type> <desc> - <p>This callback will be called whenever a trace point is triggered. It + <p>This callback will be called whenever a tracepoint is triggered. It allows the tracer to decide whether a trace should be generated or not. This check is made as early as possible in order to limit the amount of overhead associated with tracing. If <c>trace</c> is returned the @@ -132,7 +163,7 @@ 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> - <p>This function may be called multiple times per trace point, so it + <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> @@ -143,17 +174,17 @@ <type> <v>TraceTag = <seealso marker="#type-trace_tag">trace_tag()</seealso></v> <v>TracerState = term()</v> - <v>Tracee = <seealso marker="#type-trace_tag">tracee()</seealso></v> + <v>Tracee = <seealso marker="#type-tracee">tracee()</seealso></v> <v>FirstTraceTerm = term()</v> <v>SecondTraceTerm = term() | undefined</v> <v>Opts = <seealso marker="#type-trace_opts">trace_opts()</seealso></v> <v>Result = ok</v> </type> <desc> - <p>This callback will be called when a trace point is triggered and + <p>This callback will be called when a tracepoint is triggered and the <seealso marker="#enabled">Module:enabled/3</seealso> callback returned <c>trace</c>. In it any side effects needed by - the tracer should be done. The trace point payload is located in + the tracer should be done. The tracepoint payload is located in the <c>FirstTraceTerm</c> and <c>SecondTraceTerm</c>. The content of the TraceTerms depends on which <c>TraceTag</c> has been triggered. The <c>FirstTraceTerm</c> and <c>SecondTraceTerm</c> correspond to the @@ -181,6 +212,319 @@ see the <seealso marker="kernel:seq_trace">seq_trace</seealso> manual.</p> </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> + <type> + <v>TraceTag = <seealso marker="#type-trace_tag_procs">trace_tag_procs()</seealso></v> + <v>TracerState = term()</v> + <v>Tracee = <seealso marker="#type-tracee">tracee()</seealso></v> + <v>Result = trace | discard | remove</v> + </type> + <desc> + <p>This callback will be called whenever a tracepoint with trace flag + <seealso marker="erlang#trace-3"><c>procs</c></seealso> + is triggered.</p> + <p>If <c>enabled_procs/3</c> is not defined <c>enabled/3</c> will be called instead.</p> + </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> + <type> + <v>TraceTag = <seealso marker="#type-trace_tag_procs">trace_tag()</seealso></v> + <v>TracerState = term()</v> + <v>Tracee = <seealso marker="#type-tracee">tracee()</seealso></v> + <v>FirstTraceTerm = term()</v> + <v>SecondTraceTerm = term() | undefined</v> + <v>Opts = <seealso marker="#type-trace_opts">trace_opts()</seealso></v> + <v>Result = ok</v> + </type> + <desc> + <p>This callback will be called when a tracepoint is triggered and + the <seealso marker="#enabled_procs">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> + <type> + <v>TraceTag = <seealso marker="#type-trace_tag_ports">trace_tag_ports()</seealso></v> + <v>TracerState = term()</v> + <v>Tracee = <seealso marker="#type-tracee">tracee()</seealso></v> + <v>Result = trace | discard | remove</v> + </type> + <desc> + <p>This callback will be called whenever a tracepoint with trace flag + <seealso marker="erlang#trace-3"><c>ports</c></seealso> + is triggered.</p> + <p>If <c>enabled_ports/3</c> is not defined <c>enabled/3</c> will be called instead.</p> + </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> + <type> + <v>TraceTag = <seealso marker="#type-trace_tag_ports">trace_tag()</seealso></v> + <v>TracerState = term()</v> + <v>Tracee = <seealso marker="#type-tracee">tracee()</seealso></v> + <v>FirstTraceTerm = term()</v> + <v>SecondTraceTerm = term() | undefined</v> + <v>Opts = <seealso marker="#type-trace_opts">trace_opts()</seealso></v> + <v>Result = ok</v> + </type> + <desc> + <p>This callback will be called when a tracepoint is triggered and + the <seealso marker="#enabled_ports">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> + <type> + <v>TraceTag = <seealso marker="#type-trace_tag_running_procs">trace_tag_running_procs()</seealso></v> + <v>TracerState = term()</v> + <v>Tracee = <seealso marker="#type-tracee">tracee()</seealso></v> + <v>Result = trace | discard | remove</v> + </type> + <desc> + <p>This callback will be called whenever a tracepoint with trace flag + <seealso marker="erlang#trace-3"><c>running_procs | running</c></seealso> + is triggered.</p> + <p>If <c>enabled_running_procs/3</c> is not defined <c>enabled/3</c> will be called instead.</p> + </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> + <type> + <v>TraceTag = <seealso marker="#type-trace_tag_running_procs">trace_tag_running_procs()</seealso></v> + <v>TracerState = term()</v> + <v>Tracee = <seealso marker="#type-tracee">tracee()</seealso></v> + <v>FirstTraceTerm = term()</v> + <v>SecondTraceTerm = term() | undefined</v> + <v>Opts = <seealso marker="#type-trace_opts">trace_opts()</seealso></v> + <v>Result = ok</v> + </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> + 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> + <type> + <v>TraceTag = <seealso marker="#type-trace_tag_running_ports">trace_tag_running_ports()</seealso></v> + <v>TracerState = term()</v> + <v>Tracee = <seealso marker="#type-tracee">tracee()</seealso></v> + <v>Result = trace | discard | remove</v> + </type> + <desc> + <p>This callback will be called whenever a tracepoint with trace flag + <seealso marker="erlang#trace-3"><c>running_ports</c></seealso> + is triggered.</p> + <p>If <c>enabled_running_ports/3</c> is not defined <c>enabled/3</c> will be called instead.</p> + </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> + <type> + <v>TraceTag = <seealso marker="#type-trace_tag_running_ports">trace_tag_running_ports()</seealso></v> + <v>TracerState = term()</v> + <v>Tracee = <seealso marker="#type-tracee">tracee()</seealso></v> + <v>FirstTraceTerm = term()</v> + <v>SecondTraceTerm = term() | undefined</v> + <v>Opts = <seealso marker="#type-trace_opts">trace_opts()</seealso></v> + <v>Result = ok</v> + </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> + 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> + <type> + <v>TraceTag = <seealso marker="#type-trace_tag_call">trace_tag_call()</seealso></v> + <v>TracerState = term()</v> + <v>Tracee = <seealso marker="#type-tracee">tracee()</seealso></v> + <v>Result = trace | discard | remove</v> + </type> + <desc> + <p>This callback will be called whenever a tracepoint with trace flag + <seealso marker="erlang#trace-3"><c>call | return_to</c></seealso> + is triggered.</p> + <p>If <c>enabled_call/3</c> is not defined <c>enabled/3</c> will be called instead.</p> + </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> + <type> + <v>TraceTag = <seealso marker="#type-trace_tag_call">trace_tag_call()</seealso></v> + <v>TracerState = term()</v> + <v>Tracee = <seealso marker="#type-tracee">tracee()</seealso></v> + <v>FirstTraceTerm = term()</v> + <v>SecondTraceTerm = term() | undefined</v> + <v>Opts = <seealso marker="#type-trace_opts">trace_opts()</seealso></v> + <v>Result = ok</v> + </type> + <desc> + <p>This callback will be called when a tracepoint is triggered and + the <seealso marker="#enabled_call">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> + <type> + <v>TraceTag = <seealso marker="#type-trace_tag_send">trace_tag_send()</seealso></v> + <v>TracerState = term()</v> + <v>Tracee = <seealso marker="#type-tracee">tracee()</seealso></v> + <v>Result = trace | discard | remove</v> + </type> + <desc> + <p>This callback will be called whenever a tracepoint with trace flag + <seealso marker="erlang#trace-3"><c>send</c></seealso> + is triggered.</p> + <p>If <c>enabled_send/3</c> is not defined <c>enabled/3</c> will be called instead.</p> + </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> + <type> + <v>TraceTag = <seealso marker="#type-trace_tag_send">trace_tag_send()</seealso></v> + <v>TracerState = term()</v> + <v>Tracee = <seealso marker="#type-tracee">tracee()</seealso></v> + <v>FirstTraceTerm = term()</v> + <v>SecondTraceTerm = term() | undefined</v> + <v>Opts = <seealso marker="#type-trace_opts">trace_opts()</seealso></v> + <v>Result = ok</v> + </type> + <desc> + <p>This callback will be called when a tracepoint is triggered and + the <seealso marker="#enabled_send">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> + <type> + <v>TraceTag = <seealso marker="#type-trace_tag_receive">trace_tag_receive()</seealso></v> + <v>TracerState = term()</v> + <v>Tracee = <seealso marker="#type-tracee">tracee()</seealso></v> + <v>Result = trace | discard | remove</v> + </type> + <desc> + <p>This callback will be called whenever a tracepoint with trace flag + <seealso marker="erlang#trace-3"><c>'receive'</c></seealso> + is triggered.</p> + <p>If <c>enabled_receive/3</c> is not defined <c>enabled/3</c> will be called instead.</p> + </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> + <type> + <v>TraceTag = <seealso marker="#type-trace_tag_receive">trace_tag_receive()</seealso></v> + <v>TracerState = term()</v> + <v>Tracee = <seealso marker="#type-tracee">tracee()</seealso></v> + <v>FirstTraceTerm = term()</v> + <v>SecondTraceTerm = term() | undefined</v> + <v>Opts = <seealso marker="#type-trace_opts">trace_opts()</seealso></v> + <v>Result = ok</v> + </type> + <desc> + <p>This callback will be called when a tracepoint is triggered and + the <seealso marker="#enabled_receive">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> + <type> + <v>TraceTag = <seealso marker="#type-trace_tag_gc">trace_tag_gc()</seealso></v> + <v>TracerState = term()</v> + <v>Tracee = <seealso marker="#type-tracee">tracee()</seealso></v> + <v>Result = trace | discard | remove</v> + </type> + <desc> + <p>This callback will be called whenever a tracepoint with trace flag + <seealso marker="erlang#trace-3"><c>garbage_collection</c></seealso> + is triggered.</p> + <p>If <c>enabled_garbage_collection/3</c> is not defined <c>enabled/3</c> will be called instead.</p> + </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> + <type> + <v>TraceTag = <seealso marker="#type-trace_tag_gc">trace_tag_gc()</seealso></v> + <v>TracerState = term()</v> + <v>Tracee = <seealso marker="#type-tracee">tracee()</seealso></v> + <v>FirstTraceTerm = term()</v> + <v>SecondTraceTerm = term() | undefined</v> + <v>Opts = <seealso marker="#type-trace_opts">trace_opts()</seealso></v> + <v>Result = ok</v> + </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> + 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> + </func> + </funcs> <section> <marker id="example"></marker> @@ -282,7 +626,7 @@ 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 trace point */ + /* tracer is dead so we should remove this tracepoint */ return enif_make_atom(env, "remove"); /* Only generate trace for when tracer != tracee */ diff --git a/erts/emulator/beam/atom.names b/erts/emulator/beam/atom.names index 8c51f788c0..3022c0a99a 100644 --- a/erts/emulator/beam/atom.names +++ b/erts/emulator/beam/atom.names @@ -273,6 +273,10 @@ atom garbage_collecting atom garbage_collection atom garbage_collection_info atom gc_end +atom gc_major_end +atom gc_major_start +atom gc_minor_end +atom gc_minor_start atom gc_start atom Ge='>=' atom generational diff --git a/erts/emulator/beam/bif.tab b/erts/emulator/beam/bif.tab index 58cd31cee9..872f0f9b2a 100644 --- a/erts/emulator/beam/bif.tab +++ b/erts/emulator/beam/bif.tab @@ -652,6 +652,8 @@ bif erts_debug:size_shared/1 bif erts_debug:copy_shared/1 bif erlang:has_prepared_code_on_load/1 +bif maps:take/2 + # # Obsolete # diff --git a/erts/emulator/beam/erl_alloc.types b/erts/emulator/beam/erl_alloc.types index ad62a87326..ba216c7eb4 100644 --- a/erts/emulator/beam/erl_alloc.types +++ b/erts/emulator/beam/erl_alloc.types @@ -264,7 +264,6 @@ type PRTSD STANDARD SYSTEM port_specific_data type CPUDATA LONG_LIVED SYSTEM cpu_data type TMP_CPU_IDS SHORT_LIVED SYSTEM tmp_cpu_ids type EXT_TERM_DATA SHORT_LIVED PROCESSES external_term_data -type ZLIB STANDARD SYSTEM zlib type CPU_GRPS_MAP LONG_LIVED SYSTEM cpu_groups_map type AUX_WORK_TMO LONG_LIVED SYSTEM aux_work_timeouts type MISC_AUX_WORK_Q LONG_LIVED SYSTEM misc_aux_work_q @@ -297,8 +296,10 @@ type THR_Q_LL LONG_LIVED SYSTEM long_lived_thr_queue +if smp type ASYNC SHORT_LIVED SYSTEM async +type ZLIB STANDARD SYSTEM zlib +else -# sl_alloc is not thread safe in non smp build; therefore, we use driver_alloc +# sl/std_alloc is not thread safe in non smp build; therefore, we use driver_alloc +type ZLIB DRIVER SYSTEM zlib type ASYNC DRIVER SYSTEM async +endif diff --git a/erts/emulator/beam/erl_alloc_util.c b/erts/emulator/beam/erl_alloc_util.c index be7c16cc05..2995f2f822 100644 --- a/erts/emulator/beam/erl_alloc_util.c +++ b/erts/emulator/beam/erl_alloc_util.c @@ -860,8 +860,9 @@ erts_alcu_literal_32_mseg_alloc(Allctr_t *allctr, Uint *size_p, Uint flags) { void* res; Uint sz = ERTS_SUPERALIGNED_CEILING(*size_p); - ERTS_LC_ASSERT(allctr->alloc_no == ERTS_ALC_A_LITERAL - && !allctr->t && allctr->thread_safe); + ERTS_LC_ASSERT(allctr->alloc_no == ERTS_ALC_A_LITERAL && + allctr->t == 0); + ERTS_SMP_LC_ASSERT(allctr->thread_safe); res = erts_alcu_mseg_alloc(allctr, &sz, flags); if (res) { @@ -877,8 +878,9 @@ erts_alcu_literal_32_mseg_realloc(Allctr_t *allctr, void *seg, { void* res; Uint new_sz = ERTS_SUPERALIGNED_CEILING(*new_size_p); - ERTS_LC_ASSERT(allctr->alloc_no == ERTS_ALC_A_LITERAL - && !allctr->t && allctr->thread_safe); + ERTS_LC_ASSERT(allctr->alloc_no == ERTS_ALC_A_LITERAL && + allctr->t == 0); + ERTS_SMP_LC_ASSERT(allctr->thread_safe); if (seg && old_size) clear_literal_range(seg, old_size); @@ -894,8 +896,9 @@ void erts_alcu_literal_32_mseg_dealloc(Allctr_t *allctr, void *seg, Uint size, Uint flags) { - ERTS_LC_ASSERT(allctr->alloc_no == ERTS_ALC_A_LITERAL - && !allctr->t && allctr->thread_safe); + ERTS_LC_ASSERT(allctr->alloc_no == ERTS_ALC_A_LITERAL && + allctr->t == 0); + ERTS_SMP_LC_ASSERT(allctr->thread_safe); erts_alcu_mseg_dealloc(allctr, seg, size, flags); @@ -1007,8 +1010,9 @@ erts_alcu_literal_32_sys_alloc(Allctr_t *allctr, Uint* size_p, int superalign) { void* res; Uint size = ERTS_SUPERALIGNED_CEILING(*size_p); - ERTS_LC_ASSERT(allctr->alloc_no == ERTS_ALC_A_LITERAL - && !allctr->t && allctr->thread_safe); + ERTS_LC_ASSERT(allctr->alloc_no == ERTS_ALC_A_LITERAL && + allctr->t == 0); + ERTS_SMP_LC_ASSERT(allctr->thread_safe); res = erts_alcu_sys_alloc(allctr, &size, 1); if (res) { @@ -1024,8 +1028,9 @@ erts_alcu_literal_32_sys_realloc(Allctr_t *allctr, void *ptr, Uint* size_p, Uint void* res; Uint size = ERTS_SUPERALIGNED_CEILING(*size_p); - ERTS_LC_ASSERT(allctr->alloc_no == ERTS_ALC_A_LITERAL - && !allctr->t && allctr->thread_safe); + ERTS_LC_ASSERT(allctr->alloc_no == ERTS_ALC_A_LITERAL && + allctr->t == 0); + ERTS_SMP_LC_ASSERT(allctr->thread_safe); if (ptr && old_size) clear_literal_range(ptr, old_size); @@ -1040,8 +1045,9 @@ erts_alcu_literal_32_sys_realloc(Allctr_t *allctr, void *ptr, Uint* size_p, Uint void erts_alcu_literal_32_sys_dealloc(Allctr_t *allctr, void *ptr, Uint size, int superalign) { - ERTS_LC_ASSERT(allctr->alloc_no == ERTS_ALC_A_LITERAL - && !allctr->t && allctr->thread_safe); + ERTS_LC_ASSERT(allctr->alloc_no == ERTS_ALC_A_LITERAL && + allctr->t == 0); + ERTS_SMP_LC_ASSERT(allctr->thread_safe); erts_alcu_sys_dealloc(allctr, ptr, size, 1); diff --git a/erts/emulator/beam/erl_gc.c b/erts/emulator/beam/erl_gc.c index 4698458521..df5d0f4918 100644 --- a/erts/emulator/beam/erl_gc.c +++ b/erts/emulator/beam/erl_gc.c @@ -593,10 +593,6 @@ garbage_collect(Process* p, ErlHeapFragment *live_hf_end, esdp = erts_get_scheduler_data(); - if (IS_TRACED_FL(p, F_TRACE_GC)) { - trace_gc(p, am_gc_start); - } - erts_smp_atomic32_read_bor_nob(&p->state, ERTS_PSFLG_GC); if (erts_system_monitor_long_gc != 0) start_time = erts_get_monotonic_time(esdp); @@ -619,18 +615,29 @@ garbage_collect(Process* p, ErlHeapFragment *live_hf_end, */ if (GEN_GCS(p) < MAX_GEN_GCS(p) && !(FLAGS(p) & F_NEED_FULLSWEEP)) { - 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 (reds < 0) - goto do_major_collection; - } - else { - do_major_collection: + if (IS_TRACED_FL(p, F_TRACE_GC)) { + trace_gc(p, am_gc_minor_start, need); + } + 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) + goto do_major_collection; + } else { +do_major_collection: ERTS_MSACC_SET_STATE_CACHED_M_X(ERTS_MSACC_STATE_GC_FULL); - 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_start, need); + } + 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); + } ERTS_MSACC_SET_STATE_CACHED_M_X(ERTS_MSACC_STATE_GC); } @@ -646,10 +653,6 @@ garbage_collect(Process* p, ErlHeapFragment *live_hf_end, erts_smp_atomic32_read_band_nob(&p->state, ~ERTS_PSFLG_GC); - if (IS_TRACED_FL(p, F_TRACE_GC)) { - trace_gc(p, am_gc_end); - } - if (erts_system_monitor_long_gc != 0) { ErtsMonotonicTime end_time; Uint gc_time; diff --git a/erts/emulator/beam/erl_map.c b/erts/emulator/beam/erl_map.c index 03a96cb00a..8efc983f04 100644 --- a/erts/emulator/beam/erl_map.c +++ b/erts/emulator/beam/erl_map.c @@ -54,6 +54,7 @@ * - maps:new/0 * - maps:put/3 * - maps:remove/2 + * - maps:take/2 * - maps:to_list/1 * - maps:update/3 * - maps:values/1 @@ -93,7 +94,7 @@ static Uint hashmap_subtree_size(Eterm node); static Eterm hashmap_to_list(Process *p, Eterm map); static Eterm hashmap_keys(Process *p, Eterm map); static Eterm hashmap_values(Process *p, Eterm map); -static Eterm hashmap_delete(Process *p, Uint32 hx, Eterm key, Eterm node); +static Eterm hashmap_delete(Process *p, Uint32 hx, Eterm key, Eterm node, Eterm *value); static Eterm flatmap_from_validated_list(Process *p, Eterm list, Uint size); static Eterm hashmap_from_validated_list(Process *p, Eterm list, Uint size); static Eterm hashmap_from_unsorted_array(ErtsHeapFactory*, hxnode_t *hxns, Uint n, int reject_dupkeys); @@ -1521,10 +1522,45 @@ BIF_RETTYPE maps_put_3(BIF_ALIST_3) { BIF_ERROR(BIF_P, BADMAP); } -/* maps:remove/3 */ +/* maps:take/2 */ -int erts_maps_remove(Process *p, Eterm key, Eterm map, Eterm *res) { +BIF_RETTYPE maps_take_2(BIF_ALIST_2) { + if (is_map(BIF_ARG_2)) { + Eterm res, map, val; + if (erts_maps_take(BIF_P, BIF_ARG_1, BIF_ARG_2, &map, &val)) { + Eterm *hp = HAlloc(BIF_P, 3); + res = make_tuple(hp); + *hp++ = make_arityval(2); + *hp++ = val; + *hp++ = map; + BIF_RET(res); + } + BIF_RET(am_error); + } + BIF_P->fvalue = BIF_ARG_2; + BIF_ERROR(BIF_P, BADMAP); +} + +/* maps:remove/2 */ + +BIF_RETTYPE maps_remove_2(BIF_ALIST_2) { + if (is_map(BIF_ARG_2)) { + Eterm res; + (void) erts_maps_take(BIF_P, BIF_ARG_1, BIF_ARG_2, &res, NULL); + BIF_RET(res); + } + BIF_P->fvalue = BIF_ARG_2; + BIF_ERROR(BIF_P, BADMAP); +} + +/* erts_maps_take + * return 1 if key is found, otherwise 0 + * If the key is not found res (output map) will be map (input map) + */ +int erts_maps_take(Process *p, Eterm key, Eterm map, + Eterm *res, Eterm *value) { Uint32 hx; + Eterm ret; if (is_flatmap(map)) { Sint n; Uint need; @@ -1537,7 +1573,7 @@ int erts_maps_remove(Process *p, Eterm key, Eterm map, Eterm *res) { if (n == 0) { *res = map; - return 1; + return 0; } ks = flatmap_get_keys(mp); @@ -1564,6 +1600,7 @@ int erts_maps_remove(Process *p, Eterm key, Eterm map, Eterm *res) { if (is_immed(key)) { while (1) { if (*ks == key) { + if (value) *value = *vs; goto found_key; } else if (--n) { *mhp++ = *vs++; @@ -1574,6 +1611,7 @@ int erts_maps_remove(Process *p, Eterm key, Eterm map, Eterm *res) { } else { while(1) { if (EQ(*ks, key)) { + if (value) *value = *vs; goto found_key; } else if (--n) { *mhp++ = *vs++; @@ -1589,7 +1627,7 @@ int erts_maps_remove(Process *p, Eterm key, Eterm map, Eterm *res) { HRelease(p, hp_start + need, hp_start); *res = map; - return 1; + return 0; found_key: /* Copy rest of keys and values */ @@ -1601,19 +1639,13 @@ found_key: } ASSERT(is_hashmap(map)); hx = hashmap_make_hash(key); - *res = hashmap_delete(p, hx, key, map); - return 1; -} - -BIF_RETTYPE maps_remove_2(BIF_ALIST_2) { - if (is_map(BIF_ARG_2)) { - Eterm res; - if (erts_maps_remove(BIF_P, BIF_ARG_1, BIF_ARG_2, &res)) { - BIF_RET(res); - } + ret = hashmap_delete(p, hx, key, map, value); + if (is_value(ret)) { + *res = ret; + return 1; } - BIF_P->fvalue = BIF_ARG_2; - BIF_ERROR(BIF_P, BADMAP); + *res = map; + return 0; } int erts_maps_update(Process *p, Eterm key, Eterm value, Eterm map, Eterm *res) { @@ -2322,7 +2354,8 @@ static Eterm hashmap_values(Process* p, Eterm node) { return res; } -static Eterm hashmap_delete(Process *p, Uint32 hx, Eterm key, Eterm map) { +static Eterm hashmap_delete(Process *p, Uint32 hx, Eterm key, + Eterm map, Eterm *value) { Eterm *hp = NULL, *nhp = NULL, *hp_end = NULL; Eterm *ptr; Eterm hdr, res = map, node = map; @@ -2337,8 +2370,12 @@ static Eterm hashmap_delete(Process *p, Uint32 hx, Eterm key, Eterm map) { switch(primary_tag(node)) { case TAG_PRIMARY_LIST: if (EQ(CAR(list_val(node)), key)) { + if (value) { + *value = CDR(list_val(node)); + } goto unroll; } + res = THE_NON_VALUE; goto not_found; case TAG_PRIMARY_BOXED: ptr = boxed_val(node); @@ -2365,6 +2402,7 @@ static Eterm hashmap_delete(Process *p, Uint32 hx, Eterm key, Eterm map) { n = hashmap_bitcount(hval); } else { /* not occupied */ + res = THE_NON_VALUE; goto not_found; } @@ -2394,6 +2432,7 @@ static Eterm hashmap_delete(Process *p, Uint32 hx, Eterm key, Eterm map) { break; } /* not occupied */ + res = THE_NON_VALUE; goto not_found; default: erts_exit(ERTS_ERROR_EXIT, "bad header tag %ld\r\n", hdr & _HEADER_MAP_SUBTAG_MASK); diff --git a/erts/emulator/beam/erl_map.h b/erts/emulator/beam/erl_map.h index 7af9100906..8b5c9582ba 100644 --- a/erts/emulator/beam/erl_map.h +++ b/erts/emulator/beam/erl_map.h @@ -82,6 +82,7 @@ struct ErtsEStack_; Eterm erts_maps_put(Process *p, Eterm key, Eterm value, Eterm map); int erts_maps_update(Process *p, Eterm key, Eterm value, Eterm map, Eterm *res); int erts_maps_remove(Process *p, Eterm key, Eterm map, Eterm *res); +int erts_maps_take(Process *p, Eterm key, Eterm map, Eterm *res, Eterm *value); Eterm erts_hashmap_insert(Process *p, Uint32 hx, Eterm key, Eterm value, Eterm node, int is_update); diff --git a/erts/emulator/beam/erl_nif.c b/erts/emulator/beam/erl_nif.c index 73c0eb8eba..941f44b9ec 100644 --- a/erts/emulator/beam/erl_nif.c +++ b/erts/emulator/beam/erl_nif.c @@ -2443,14 +2443,13 @@ int enif_make_map_remove(ErlNifEnv* env, Eterm key, Eterm *map_out) { - int res; if (!is_map(map_in)) { return 0; } flush_env(env); - res = erts_maps_remove(env->proc, key, map_in, map_out); + (void) erts_maps_take(env->proc, key, map_in, map_out, NULL); cache_env(env); - return res; + return 1; } int enif_map_iterator_create(ErlNifEnv *env, @@ -3158,7 +3157,7 @@ Eterm erts_nif_call_function(Process *p, Process *tracee, /* Verify that function is part of this module */ int i; for (i = 0; i < mod->entry->num_of_funcs; i++) - if (fun == mod->entry->funcs+i) + if (fun == &(mod->entry->funcs[i])) break; ASSERT(i < mod->entry->num_of_funcs); if (p) diff --git a/erts/emulator/beam/erl_trace.c b/erts/emulator/beam/erl_trace.c index 32d0ba9f4c..128696270b 100644 --- a/erts/emulator/beam/erl_trace.c +++ b/erts/emulator/beam/erl_trace.c @@ -237,6 +237,7 @@ write_timestamp(ErtsTraceTimeStamp *tsp, Eterm **hpp) } } +#ifdef ERTS_SMP #define PATCH_TS_SIZE(p) patch_ts_size(TFLGS_TS_TYPE(p)) static ERTS_INLINE Uint @@ -257,6 +258,7 @@ patch_ts_size(int ts_type) return 0; } } +#endif /* * Write a timestamp. The timestamp MUST be the last @@ -359,25 +361,50 @@ void erts_init_trace(void) { *(OHPP) = &(*(BPP))->off_heap, \ (*(BPP))->mem) +enum ErtsTracerOpt { + TRACE_FUN_DEFAULT = 0, + TRACE_FUN_ENABLED = 1, + TRACE_FUN_T_SEND = 2, + TRACE_FUN_T_RECEIVE = 3, + TRACE_FUN_T_CALL = 4, + TRACE_FUN_T_SCHED_PROC = 5, + TRACE_FUN_T_SCHED_PORT = 6, + TRACE_FUN_T_GC = 7, + TRACE_FUN_T_PROCS = 8, + TRACE_FUN_T_PORTS = 9, + TRACE_FUN_E_SEND = 10, + TRACE_FUN_E_RECEIVE = 11, + TRACE_FUN_E_CALL = 12, + TRACE_FUN_E_SCHED_PROC = 13, + TRACE_FUN_E_SCHED_PORT = 14, + TRACE_FUN_E_GC = 15, + TRACE_FUN_E_PROCS = 16, + TRACE_FUN_E_PORTS = 17 +}; + +#define NIF_TRACER_TYPES (18) + + static ERTS_INLINE int send_to_tracer_nif_raw(Process *c_p, Process *tracee, const ErtsTracer tracer, Uint trace_flags, Eterm t_p_id, ErtsTracerNif *tnif, + enum ErtsTracerOpt topt, Eterm tag, Eterm msg, Eterm extra, Eterm pam_result); static ERTS_INLINE int send_to_tracer_nif(Process *c_p, ErtsPTabElementCommon *t_p, - Eterm t_p_id, ErtsTracerNif *tnif, Eterm tag, - Eterm msg, Eterm extra); + Eterm t_p_id, ErtsTracerNif *tnif, + enum ErtsTracerOpt topt, + Eterm tag, Eterm msg, Eterm extra); static ERTS_INLINE Eterm call_enabled_tracer(Process *c_p, const ErtsTracer tracer, - ErtsTracerNif **tnif_ref, Eterm tag, Eterm t_p_id); + ErtsTracerNif **tnif_ref, + enum ErtsTracerOpt topt, + Eterm tag, Eterm t_p_id); static int -is_tracer_proc_enabled(Process* c_p, ErtsProcLocks c_p_locks, - ErtsPTabElementCommon *t_p, - ErtsTracerNif **tnif_ret, Eterm tag); - -#define SEND_TO_TRACER(c_p, tag, msg) \ - send_to_tracer_nif(c_p, &(c_p)->common, (c_p)->common.id, NULL, tag, \ - msg, THE_NON_VALUE) +is_tracer_enabled(Process* c_p, ErtsProcLocks c_p_locks, + ErtsPTabElementCommon *t_p, + ErtsTracerNif **tnif_ret, + enum ErtsTracerOpt topt, Eterm tag); static Uint active_sched; @@ -433,7 +460,7 @@ 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, - am_trace_status, am_undefined); + TRACE_FUN_ENABLED, am_trace_status, am_undefined); switch (nif_result) { case am_trace: break; default: @@ -465,7 +492,8 @@ erts_get_system_seq_tracer(void) erts_smp_rwmtx_runlock(&sys_trace_rwmtx); if (st != erts_tracer_nil && - call_enabled_tracer(NULL, st, NULL, am_trace_status, am_undefined) == am_remove) { + call_enabled_tracer(NULL, 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; } @@ -484,10 +512,11 @@ get_default_tracing(Uint *flagsp, ErtsTracer *tracerp, if (ERTS_TRACER_IS_NIL(*default_tracer)) { *default_trace_flags &= ~TRACEE_FLAGS; } else { - Eterm nif_result = call_enabled_tracer( - NULL, *default_tracer, NULL, - am_trace_status, am_undefined); - switch (nif_result) { + Eterm nif_res; + nif_res = call_enabled_tracer(NULL, *default_tracer, + NULL, TRACE_FUN_ENABLED, + am_trace_status, am_undefined); + switch (nif_res) { case am_trace: break; default: { ErtsTracer curr_default_tracer = *default_tracer; @@ -738,7 +767,7 @@ trace_sched_aux(Process *p, ErtsProcLocks locks, Eterm what) break; } - if (!is_tracer_proc_enabled(p, locks, &p->common, &tnif, what)) + if (!is_tracer_enabled(p, locks, &p->common, &tnif, TRACE_FUN_E_SCHED_PROC, what)) return; if (ERTS_PROC_IS_EXITING(p)) @@ -757,7 +786,7 @@ trace_sched_aux(Process *p, ErtsProcLocks locks, Eterm what) hp += 4; } - send_to_tracer_nif(p, &p->common, p->common.id, tnif, + send_to_tracer_nif(p, &p->common, p->common.id, tnif, TRACE_FUN_T_SCHED_PROC, what, tmp, THE_NON_VALUE); } @@ -796,8 +825,10 @@ trace_send(Process *p, Eterm to, Eterm msg) operation = am_send_to_non_existing_process; } - if (is_tracer_proc_enabled(p, ERTS_PROC_LOCK_MAIN, &p->common, &tnif, operation)) - send_to_tracer_nif(p, &p->common, p->common.id, tnif, operation, msg, to); + if (is_tracer_enabled(p, ERTS_PROC_LOCK_MAIN, &p->common, &tnif, + TRACE_FUN_E_SEND, operation)) + send_to_tracer_nif(p, &p->common, p->common.id, tnif, TRACE_FUN_T_SEND, + operation, msg, to); } /* Send {trace_ts, Pid, receive, Msg, Timestamp} @@ -807,10 +838,11 @@ void trace_receive(Process *c_p, Eterm msg) { ErtsTracerNif *tnif = NULL; - if (is_tracer_proc_enabled(NULL, 0, &c_p->common, - &tnif, am_receive)) + if (is_tracer_enabled(NULL, 0, &c_p->common, &tnif, + TRACE_FUN_E_RECEIVE, am_receive)) send_to_tracer_nif(NULL, &c_p->common, c_p->common.id, - tnif, am_receive, msg, THE_NON_VALUE); + tnif, TRACE_FUN_T_RECEIVE, + am_receive, msg, THE_NON_VALUE); } int @@ -820,8 +852,9 @@ 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, am_trace_status, - p ? p->common.id : am_undefined) != am_trace) + call_enabled_tracer(NULL, seq_tracer, NULL, + TRACE_FUN_ENABLED, am_trace_status, + p ? p->common.id : am_undefined) != am_trace) #ifdef USE_VM_PROBES || (SEQ_TRACE_TOKEN(p) == am_have_dt_utag) #endif @@ -867,9 +900,10 @@ 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, NULL, am_trace_status, - process ? process->common.id : am_undefined) != am_trace) { + call_enabled_tracer(NULL, seq_tracer, + NULL, TRACE_FUN_ENABLED, + am_trace_status, + process ? process->common.id : am_undefined) != am_trace) { return; } @@ -898,14 +932,13 @@ seq_trace_output_generic(Eterm token, Eterm msg, Uint type, msg = TUPLE3(hp, am_EXIT, exitfrom, msg); hp += 4; } - mess = TUPLE5(hp, type_atom, lastcnt_serial, SEQ_TRACE_T_SENDER(token), - receiver, msg); + mess = TUPLE5(hp, type_atom, lastcnt_serial, SEQ_TRACE_T_SENDER(token), receiver, msg); hp += 6; seq_tracer_flags |= ERTS_SEQTFLGS2TFLGS(unsigned_val(SEQ_TRACE_T_FLAGS(token))); send_to_tracer_nif_raw(NULL, process, seq_tracer, seq_tracer_flags, - label, NULL, am_seq_trace, mess, + label, NULL, TRACE_FUN_DEFAULT, am_seq_trace, mess, THE_NON_VALUE, am_true); UnUseTmpHeapNoproc(LOCAL_HEAP_SIZE); @@ -930,7 +963,8 @@ erts_trace_return_to(Process *p, BeamInstr *pc) mfa = TUPLE3(hp, code_ptr[0], code_ptr[1], make_small(code_ptr[2])); } - SEND_TO_TRACER(p, am_return_to, mfa); + send_to_tracer_nif(p, &p->common, p->common.id, NULL, TRACE_FUN_T_CALL, + am_return_to, mfa, THE_NON_VALUE); } @@ -984,7 +1018,7 @@ erts_trace_return(Process* p, BeamInstr* fi, Eterm retval, ErtsTracer *tracer) mfa = TUPLE3(hp, mod, name, make_small(arity)); hp += 4; send_to_tracer_nif_raw(p, NULL, *tracer, *tracee_flags, p->common.id, - NULL, am_return_from, mfa, retval, am_true); + NULL, TRACE_FUN_T_CALL, am_return_from, mfa, retval, am_true); } /* Send {trace_ts, Pid, exception_from, {Mod, Name, Arity}, {Class,Value}, @@ -1039,7 +1073,7 @@ erts_trace_exception(Process* p, BeamInstr mfa[3], Eterm class, Eterm value, cv = TUPLE2(hp, class, value); hp += 3; send_to_tracer_nif_raw(p, NULL, *tracer, *tracee_flags, p->common.id, - NULL, am_exception_from, mfa_tuple, cv, am_true); + NULL, TRACE_FUN_T_CALL, am_exception_from, mfa_tuple, cv, am_true); } /* @@ -1089,7 +1123,8 @@ erts_call_trace(Process* p, BeamInstr mfa[3], Binary *match_spec, * use process flags */ tracee_flags = &ERTS_TRACE_FLAGS(p); - if (!is_tracer_proc_enabled(p, ERTS_PROC_LOCK_MAIN, &p->common, &tnif, am_call)) { + if (!is_tracer_enabled(p, ERTS_PROC_LOCK_MAIN, &p->common, &tnif, + TRACE_FUN_E_CALL, am_call)) { return 0; } } else { @@ -1104,7 +1139,9 @@ 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, am_call, p->common.id)) { + switch (call_enabled_tracer(p, *tracer, + &tnif, TRACE_FUN_T_CALL, + am_call, p->common.id)) { default: case am_remove: *tracer = erts_tracer_nil; case am_discard: return 0; @@ -1228,7 +1265,7 @@ erts_call_trace(Process* p, BeamInstr mfa[3], Binary *match_spec, * Build the trace tuple and send it to the port. */ send_to_tracer_nif_raw(p, NULL, *tracer, *tracee_flags, p->common.id, - tnif, am_call, mfa_tuple, THE_NON_VALUE, pam_result); + tnif, TRACE_FUN_T_CALL, am_call, mfa_tuple, THE_NON_VALUE, pam_result); erts_match_set_release_result(p); if (match_spec && tracer == &pre_ms_tracer) @@ -1250,8 +1287,9 @@ trace_proc(Process *c_p, ErtsProcLocks c_p_locks, Process *t_p, Eterm what, Eterm data) { ErtsTracerNif *tnif = NULL; - if (is_tracer_proc_enabled(c_p, c_p_locks, &t_p->common, &tnif, what)) - send_to_tracer_nif(c_p, &t_p->common, t_p->common.id, tnif, + if (is_tracer_enabled(c_p, c_p_locks, &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, what, data, THE_NON_VALUE); } @@ -1268,16 +1306,17 @@ trace_proc_spawn(Process *p, Eterm what, Eterm pid, Eterm mod, Eterm func, Eterm args) { ErtsTracerNif *tnif = NULL; - if (is_tracer_proc_enabled(p, ERTS_PROC_LOCKS_ALL & + if (is_tracer_enabled(p, ERTS_PROC_LOCKS_ALL & ~(ERTS_PROC_LOCK_STATUS|ERTS_PROC_LOCK_TRACE), - &p->common, &tnif, what)) { + &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, what, pid, mfa); + send_to_tracer_nif(p, &p->common, p->common.id, tnif, TRACE_FUN_T_PROCS, + what, pid, mfa); } } @@ -1309,23 +1348,25 @@ void save_calls(Process *p, Export *e) * are all small (atomic) integers. */ void -trace_gc(Process *p, Eterm what) +trace_gc(Process *p, Eterm what, Uint size) { ErtsTracerNif *tnif = NULL; Eterm* hp; Eterm msg = NIL; - Uint size = 0; + Uint sz = 0; + Eterm tup; - if (is_tracer_proc_enabled( - p, ERTS_PROC_LOCK_MAIN, &p->common, &tnif, what)) { + if (is_tracer_enabled(p, ERTS_PROC_LOCK_MAIN, &p->common, &tnif, TRACE_FUN_E_GC, what)) { - (void) erts_process_gc_info(p, &size, NULL); - hp = HAlloc(p, size); + (void) erts_process_gc_info(p, &sz, NULL); + 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; - send_to_tracer_nif(p, &p->common, p->common.id, tnif, what, - msg, THE_NON_VALUE); + send_to_tracer_nif(p, &p->common, p->common.id, tnif, TRACE_FUN_T_GC, + what, msg, am_undefined); } } @@ -1703,9 +1744,9 @@ void trace_port_open(Port *p, Eterm calling_pid, Eterm drv_name) { ErtsTracerNif *tnif = NULL; ERTS_SMP_CHK_NO_PROC_LOCKS; - if (is_tracer_proc_enabled(NULL, 0, &p->common, &tnif, am_open)) - send_to_tracer_nif(NULL, &p->common, p->common.id, tnif, am_open, - calling_pid, drv_name); + if (is_tracer_enabled(NULL, 0, &p->common, &tnif, TRACE_FUN_E_PORTS, am_open)) + send_to_tracer_nif(NULL, &p->common, p->common.id, tnif, TRACE_FUN_T_PORTS, + am_open, calling_pid, drv_name); } /* Sends trace message: @@ -1722,8 +1763,8 @@ trace_port(Port *t_p, Eterm what, Eterm data) { ERTS_SMP_LC_ASSERT(erts_lc_is_port_locked(t_p) || erts_thr_progress_is_blocking()); ERTS_SMP_CHK_NO_PROC_LOCKS; - if (is_tracer_proc_enabled(NULL, 0, &t_p->common, &tnif, what)) - send_to_tracer_nif(NULL, &t_p->common, t_p->common.id, tnif, + if (is_tracer_enabled(NULL, 0, &t_p->common, &tnif, TRACE_FUN_E_PORTS, what)) + send_to_tracer_nif(NULL, &t_p->common, t_p->common.id, tnif, TRACE_FUN_T_PORTS, what, data, THE_NON_VALUE); } @@ -1768,7 +1809,7 @@ trace_port_receive(Port *t_p, Eterm caller, Eterm what, ...) ERTS_SMP_LC_ASSERT(erts_lc_is_port_locked(t_p) || erts_thr_progress_is_blocking()); ERTS_SMP_CHK_NO_PROC_LOCKS; - if (is_tracer_proc_enabled(NULL, 0, &t_p->common, &tnif, am_receive)) { + if (is_tracer_enabled(NULL, 0, &t_p->common, &tnif, TRACE_FUN_E_RECEIVE, am_receive)) { /* We can use a stack heap here, as the nif is called in the context of a port */ #define LOCAL_HEAP_SIZE (3 + 3 + heap_bin_size(ERL_ONHEAP_BIN_LIMIT) + 3) @@ -1863,6 +1904,7 @@ trace_port_receive(Port *t_p, Eterm caller, Eterm what, ...) hp += 3; ASSERT(hp <= (local_heap + LOCAL_HEAP_SIZE) || orig_hp); send_to_tracer_nif(NULL, &t_p->common, t_p->common.id, tnif, + TRACE_FUN_T_RECEIVE, am_receive, data, THE_NON_VALUE); if (bptr && erts_refc_dectest(&bptr->refc, 1) == 0) @@ -1884,8 +1926,8 @@ trace_port_send(Port *t_p, Eterm receiver, Eterm msg, int exists) ERTS_SMP_LC_ASSERT(erts_lc_is_port_locked(t_p) || erts_thr_progress_is_blocking()); ERTS_SMP_CHK_NO_PROC_LOCKS; - if (is_tracer_proc_enabled(NULL, 0, &t_p->common, &tnif, op)) - send_to_tracer_nif(NULL, &t_p->common, t_p->common.id, tnif, + if (is_tracer_enabled(NULL, 0, &t_p->common, &tnif, TRACE_FUN_E_SEND, op)) + send_to_tracer_nif(NULL, &t_p->common, t_p->common.id, tnif, TRACE_FUN_T_SEND, op, msg, receiver); } @@ -1895,7 +1937,7 @@ void trace_port_send_binary(Port *t_p, Eterm to, Eterm what, char *bin, Sint sz) ERTS_SMP_LC_ASSERT(erts_lc_is_port_locked(t_p) || erts_thr_progress_is_blocking()); ERTS_SMP_CHK_NO_PROC_LOCKS; - if (is_tracer_proc_enabled(NULL, 0, &t_p->common, &tnif, am_send)) { + if (is_tracer_enabled(NULL, 0, &t_p->common, &tnif, TRACE_FUN_E_SEND, am_send)) { Eterm msg; Binary* bptr = NULL; #define LOCAL_HEAP_SIZE (3 + 3 + heap_bin_size(ERL_ONHEAP_BIN_LIMIT)) @@ -1914,7 +1956,7 @@ void trace_port_send_binary(Port *t_p, Eterm to, Eterm what, char *bin, Sint sz) msg = TUPLE2(hp, t_p->common.id, msg); hp += 3; - send_to_tracer_nif(NULL, &t_p->common, t_p->common.id, tnif, + send_to_tracer_nif(NULL, &t_p->common, t_p->common.id, tnif, TRACE_FUN_T_SEND, am_send, msg, to); if (bptr && erts_refc_dectest(&bptr->refc, 1) == 0) erts_bin_free(bptr); @@ -1943,9 +1985,10 @@ trace_sched_ports_where(Port *t_p, Eterm what, Eterm where) { ERTS_SMP_LC_ASSERT(erts_lc_is_port_locked(t_p) || erts_thr_progress_is_blocking()); ERTS_SMP_CHK_NO_PROC_LOCKS; - if (is_tracer_proc_enabled(NULL, 0, &t_p->common, &tnif, what)) + if (is_tracer_enabled(NULL, 0, &t_p->common, &tnif, TRACE_FUN_E_SCHED_PORT, what)) send_to_tracer_nif(NULL, &t_p->common, t_p->common.id, - tnif, what, where, THE_NON_VALUE); + tnif, TRACE_FUN_T_SCHED_PORT, + what, where, THE_NON_VALUE); } /* Port profiling */ @@ -2491,14 +2534,97 @@ init_sys_msg_dispatcher(void) #include "erl_nif.h" +typedef struct { + char *name; + Uint arity; + ErlNifFunc *cb; +} ErtsTracerType; + struct ErtsTracerNif_ { HashBucket hb; Eterm module; struct erl_module_nif* nif_mod; - ErlNifFunc *enabled; - ErlNifFunc *trace; + ErtsTracerType tracers[NIF_TRACER_TYPES]; }; +static void init_tracer_template(ErtsTracerNif *tnif) { + + /* default tracer functions */ + tnif->tracers[TRACE_FUN_DEFAULT].name = "trace"; + tnif->tracers[TRACE_FUN_DEFAULT].arity = 6; + tnif->tracers[TRACE_FUN_DEFAULT].cb = NULL; + + tnif->tracers[TRACE_FUN_ENABLED].name = "enabled"; + tnif->tracers[TRACE_FUN_ENABLED].arity = 3; + tnif->tracers[TRACE_FUN_ENABLED].cb = NULL; + + /* specific tracer functions */ + tnif->tracers[TRACE_FUN_T_SEND].name = "trace_send"; + tnif->tracers[TRACE_FUN_T_SEND].arity = 6; + tnif->tracers[TRACE_FUN_T_SEND].cb = NULL; + + tnif->tracers[TRACE_FUN_T_RECEIVE].name = "trace_receive"; + tnif->tracers[TRACE_FUN_T_RECEIVE].arity = 6; + tnif->tracers[TRACE_FUN_T_RECEIVE].cb = NULL; + + tnif->tracers[TRACE_FUN_T_CALL].name = "trace_call"; + tnif->tracers[TRACE_FUN_T_CALL].arity = 6; + tnif->tracers[TRACE_FUN_T_CALL].cb = NULL; + + tnif->tracers[TRACE_FUN_T_SCHED_PROC].name = "trace_running_procs"; + tnif->tracers[TRACE_FUN_T_SCHED_PROC].arity = 6; + tnif->tracers[TRACE_FUN_T_SCHED_PROC].cb = NULL; + + tnif->tracers[TRACE_FUN_T_SCHED_PORT].name = "trace_running_ports"; + tnif->tracers[TRACE_FUN_T_SCHED_PORT].arity = 6; + tnif->tracers[TRACE_FUN_T_SCHED_PORT].cb = NULL; + + tnif->tracers[TRACE_FUN_T_GC].name = "trace_garbage_collection"; + tnif->tracers[TRACE_FUN_T_GC].arity = 6; + tnif->tracers[TRACE_FUN_T_GC].cb = NULL; + + tnif->tracers[TRACE_FUN_T_PROCS].name = "trace_procs"; + tnif->tracers[TRACE_FUN_T_PROCS].arity = 6; + tnif->tracers[TRACE_FUN_T_PROCS].cb = NULL; + + tnif->tracers[TRACE_FUN_T_PORTS].name = "trace_ports"; + tnif->tracers[TRACE_FUN_T_PORTS].arity = 6; + tnif->tracers[TRACE_FUN_T_PORTS].cb = NULL; + + /* specific enabled functions */ + tnif->tracers[TRACE_FUN_E_SEND].name = "enabled_send"; + tnif->tracers[TRACE_FUN_E_SEND].arity = 3; + tnif->tracers[TRACE_FUN_E_SEND].cb = NULL; + + tnif->tracers[TRACE_FUN_E_RECEIVE].name = "enabled_receive"; + tnif->tracers[TRACE_FUN_E_RECEIVE].arity = 3; + tnif->tracers[TRACE_FUN_E_RECEIVE].cb = NULL; + + tnif->tracers[TRACE_FUN_E_CALL].name = "enabled_call"; + tnif->tracers[TRACE_FUN_E_CALL].arity = 3; + tnif->tracers[TRACE_FUN_E_CALL].cb = NULL; + + tnif->tracers[TRACE_FUN_E_SCHED_PROC].name = "enabled_running_procs"; + tnif->tracers[TRACE_FUN_E_SCHED_PROC].arity = 3; + tnif->tracers[TRACE_FUN_E_SCHED_PROC].cb = NULL; + + tnif->tracers[TRACE_FUN_E_SCHED_PORT].name = "enabled_running_ports"; + tnif->tracers[TRACE_FUN_E_SCHED_PORT].arity = 3; + tnif->tracers[TRACE_FUN_E_SCHED_PORT].cb = NULL; + + tnif->tracers[TRACE_FUN_E_GC].name = "enabled_garbage_collection"; + tnif->tracers[TRACE_FUN_E_GC].arity = 3; + tnif->tracers[TRACE_FUN_E_GC].cb = NULL; + + tnif->tracers[TRACE_FUN_E_PROCS].name = "enabled_procs"; + tnif->tracers[TRACE_FUN_E_PROCS].arity = 3; + tnif->tracers[TRACE_FUN_E_PROCS].cb = NULL; + + tnif->tracers[TRACE_FUN_E_PORTS].name = "enabled_ports"; + tnif->tracers[TRACE_FUN_E_PORTS].arity = 3; + tnif->tracers[TRACE_FUN_E_PORTS].cb = NULL; +} + static Hash *tracer_hash = NULL; static erts_smp_rwmtx_t tracer_mtx; @@ -2511,31 +2637,32 @@ load_tracer_nif(const ErtsTracer tracer) ErlNifFunc *funcs; int num_of_funcs; ErtsTracerNif tnif_tmpl, *tnif; - int i; + ErtsTracerType *tracers; + int i,j; - if (mod && mod->curr.nif != NULL) { - instance = &mod->curr; - } else { + if (!mod || !mod->curr.nif) { return NULL; } - tnif_tmpl.enabled = NULL; - tnif_tmpl.trace = NULL; + instance = &mod->curr; + + init_tracer_template(&tnif_tmpl); tnif_tmpl.nif_mod = instance->nif; tnif_tmpl.module = ERTS_TRACER_MODULE(tracer); + tracers = tnif_tmpl.tracers; num_of_funcs = erts_nif_get_funcs(instance->nif, &funcs); for(i = 0; i < num_of_funcs; i++) { - if (strcmp("enabled",funcs[i].name) == 0 && funcs[i].arity == 3) { - tnif_tmpl.enabled = funcs + i; - } else if (strcmp("trace",funcs[i].name) == 0 && funcs[i].arity == 6) { - tnif_tmpl.trace = funcs + i; + for (j = 0; j < NIF_TRACER_TYPES; j++) { + if (strcmp(tracers[j].name, funcs[i].name) == 0 && tracers[j].arity == funcs[i].arity) { + tracers[j].cb = &(funcs[i]); + break; + } } } - if (tnif_tmpl.enabled == NULL || - tnif_tmpl.trace == NULL ) { + if (tracers[TRACE_FUN_DEFAULT].cb == NULL || tracers[TRACE_FUN_ENABLED].cb == NULL ) { return NULL; } @@ -2628,17 +2755,18 @@ erts_tracer_to_term(Process *p, ErtsTracer tracer) static ERTS_INLINE int send_to_tracer_nif_raw(Process *c_p, Process *tracee, const ErtsTracer tracer, Uint tracee_flags, - Eterm t_p_id, ErtsTracerNif *tnif, Eterm tag, Eterm msg, - Eterm extra, Eterm pam_result) + Eterm t_p_id, ErtsTracerNif *tnif, + enum ErtsTracerOpt topt, + Eterm tag, Eterm msg, Eterm extra, Eterm pam_result) { if (tnif || (tnif = lookup_tracer_nif(tracer)) != NULL) { #define MAP_SIZE 3 - Eterm argv[6], - local_heap[3+MAP_SIZE /* values */+(MAP_SIZE+1 /* keys */)]; + Eterm argv[6], local_heap[3+MAP_SIZE /* values */ + (MAP_SIZE+1 /* keys */)]; flatmap_t *map = (flatmap_t*)(local_heap+(MAP_SIZE+1)); Eterm *map_values = flatmap_get_values(map); - int argc = 6; + topt = (tnif->tracers[topt].cb) ? topt : TRACE_FUN_DEFAULT; + ASSERT(topt < NIF_TRACER_TYPES); argv[0] = tag; argv[1] = ERTS_TRACER_STATE(tracer); @@ -2649,8 +2777,7 @@ send_to_tracer_nif_raw(Process *c_p, Process *tracee, map->thing_word = MAP_HEADER_FLATMAP; map->size = MAP_SIZE; - map->keys = TUPLE3(local_heap, am_match_spec_result, am_scheduler_id, - am_timestamp); + map->keys = TUPLE3(local_heap, am_match_spec_result, am_scheduler_id, am_timestamp); *map_values++ = pam_result; if (tracee_flags & F_TRACE_SCHED_NO) @@ -2673,16 +2800,18 @@ send_to_tracer_nif_raw(Process *c_p, Process *tracee, #undef MAP_SIZE erts_nif_call_function(c_p, tracee ? tracee : c_p, - tnif->nif_mod, tnif->trace, argc, argv); + tnif->nif_mod, + tnif->tracers[topt].cb, + tnif->tracers[topt].arity, + argv); } return 1; } - static ERTS_INLINE int send_to_tracer_nif(Process *c_p, ErtsPTabElementCommon *t_p, - Eterm t_p_id, ErtsTracerNif *tnif, Eterm tag, - Eterm msg, Eterm extra) + Eterm t_p_id, ErtsTracerNif *tnif, enum ErtsTracerOpt topt, + Eterm tag, Eterm msg, Eterm extra) { #if defined(ERTS_SMP) && defined(ERTS_ENABLE_LOCK_CHECK) if (c_p) { @@ -2701,29 +2830,35 @@ send_to_tracer_nif(Process *c_p, ErtsPTabElementCommon *t_p, return send_to_tracer_nif_raw(c_p, is_internal_pid(t_p->id) ? (Process*)t_p : NULL, t_p->tracer, t_p->trace_flags, - t_p_id, tnif, tag, msg, extra, + t_p_id, tnif, topt, tag, msg, extra, am_true); } static ERTS_INLINE Eterm call_enabled_tracer(Process *c_p, const ErtsTracer tracer, - ErtsTracerNif **tnif_ret, Eterm tag, Eterm t_p_id) -{ + 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}; + 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->enabled, 3, argv); + return erts_nif_call_function(c_p, NULL, tnif->nif_mod, + tnif->tracers[topt].cb, + tnif->tracers[topt].arity, + argv); } return am_remove; } static int -is_tracer_proc_enabled(Process* c_p, ErtsProcLocks c_p_locks, - ErtsPTabElementCommon *t_p, - ErtsTracerNif **tnif_ret, Eterm tag) -{ +is_tracer_enabled(Process* c_p, ErtsProcLocks c_p_locks, + ErtsPTabElementCommon *t_p, + ErtsTracerNif **tnif_ret, + enum ErtsTracerOpt topt, Eterm tag) { Eterm nif_result; #if defined(ERTS_SMP) && defined(ERTS_ENABLE_LOCK_CHECK) @@ -2741,7 +2876,7 @@ is_tracer_proc_enabled(Process* c_p, ErtsProcLocks c_p_locks, } #endif - nif_result = call_enabled_tracer(c_p, t_p->tracer, tnif_ret, tag, t_p->id); + nif_result = call_enabled_tracer(c_p, t_p->tracer, tnif_ret, topt, tag, t_p->id); switch (nif_result) { case am_discard: return 0; case am_trace: return 1; @@ -2774,14 +2909,13 @@ is_tracer_proc_enabled(Process* c_p, ErtsProcLocks c_p_locks, erts_smp_proc_unlock(c_p, c_p_xlocks); } - return 0; } int erts_is_tracer_proc_enabled(Process* c_p, ErtsProcLocks c_p_locks, ErtsPTabElementCommon *t_p, Eterm type) { - return is_tracer_proc_enabled(c_p, c_p_locks, t_p, NULL, am_trace_status); + 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) @@ -2789,7 +2923,7 @@ int erts_is_tracer_enabled(Process *c_p, const ErtsTracer tracer) ErtsTracerNif *tnif = lookup_tracer_nif(tracer); if (tnif) { Eterm nif_result = call_enabled_tracer(c_p, tracer, &tnif, - am_trace_status, + TRACE_FUN_ENABLED, am_trace_status, c_p->common.id); switch (nif_result) { case am_discard: diff --git a/erts/emulator/beam/erl_trace.h b/erts/emulator/beam/erl_trace.h index 177fd373a6..9a007e62ec 100644 --- a/erts/emulator/beam/erl_trace.h +++ b/erts/emulator/beam/erl_trace.h @@ -103,7 +103,7 @@ 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); +void trace_gc(Process *p, Eterm what, Uint size); /* port tracing */ void trace_virtual_sched(Process*, ErtsProcLocks, Eterm); void trace_sched_ports(Port *pp, Eterm); diff --git a/erts/emulator/beam/external.c b/erts/emulator/beam/external.c index 723c25ff77..3c002d43a7 100644 --- a/erts/emulator/beam/external.c +++ b/erts/emulator/beam/external.c @@ -4429,22 +4429,32 @@ init_done: SKIP(1+atom_extra_skip); atom_extra_skip = 0; break; - case PID_EXT: case NEW_PID_EXT: + atom_extra_skip = 12; + goto case_PID; + case PID_EXT: atom_extra_skip = 9; + case_PID: /* In case it is an external pid */ heap_size += EXTERNAL_THING_HEAD_SIZE + 1; terms++; break; - case PORT_EXT: case NEW_PORT_EXT: + atom_extra_skip = 8; + goto case_PORT; + case PORT_EXT: atom_extra_skip = 5; + case_PORT: /* In case it is an external port */ heap_size += EXTERNAL_THING_HEAD_SIZE + 1; terms++; break; - case NEW_REFERENCE_EXT: case NEWER_REFERENCE_EXT: + atom_extra_skip = 4; + goto case_NEW_REFERENCE; + case NEW_REFERENCE_EXT: + atom_extra_skip = 1; + case_NEW_REFERENCE: { int id_words; @@ -4455,7 +4465,7 @@ init_done: goto error; ep += 2; - atom_extra_skip = 1 + 4*id_words; + atom_extra_skip += 4*id_words; /* In case it is an external ref */ #if defined(ARCH_64) heap_size += EXTERNAL_THING_HEAD_SIZE + id_words/2 + 1; diff --git a/erts/emulator/nifs/common/erl_tracer_nif.c b/erts/emulator/nifs/common/erl_tracer_nif.c index b1c8d0b7a1..b0c937592a 100644 --- a/erts/emulator/nifs/common/erl_tracer_nif.c +++ b/erts/emulator/nifs/common/erl_tracer_nif.c @@ -72,6 +72,12 @@ ERL_NIF_INIT(erl_tracer, nif_funcs, load, NULL, upgrade, unload) ATOM_DECL(trace); \ ATOM_DECL(trace_ts); \ ATOM_DECL(true); \ + ATOM_DECL(gc_start); \ + ATOM_DECL(gc_end); \ + ATOM_DECL(gc_minor_start); \ + ATOM_DECL(gc_minor_end); \ + ATOM_DECL(gc_major_start); \ + ATOM_DECL(gc_major_end); \ ATOM_DECL(undefined); #define ATOM_DECL(A) static ERL_NIF_TERM atom_##A diff --git a/erts/emulator/sys/unix/sys_float.c b/erts/emulator/sys/unix/sys_float.c index 60661d9016..6435da086f 100644 --- a/erts/emulator/sys/unix/sys_float.c +++ b/erts/emulator/sys/unix/sys_float.c @@ -53,7 +53,7 @@ static void erts_init_fp_exception(void) void erts_thread_init_fp_exception(void) { unsigned long *fpe = erts_alloc(ERTS_ALC_T_FP_EXCEPTION, sizeof(*fpe)); - *fpe = 0L; + *fpe = 0; erts_tsd_set(fpe_key, fpe); } @@ -102,6 +102,17 @@ void erts_fp_check_init_error(volatile unsigned long *fpexnp) #define __DARWIN__ 1 #endif +/* + * Define two processor and possibly OS-specific primitives: + * + * static void unmask_fpe(void); + * -- unmask invalid, overflow, and divide-by-zero exceptions + * + * static int mask_fpe(void); + * -- mask invalid, overflow, and divide-by-zero exceptions + * -- return non-zero if the previous state was unmasked + */ + #if (defined(__i386__) || defined(__x86_64__)) && defined(__GNUC__) static void unmask_x87(void) @@ -113,7 +124,6 @@ static void unmask_x87(void) __asm__ __volatile__("fldcw %0" : : "m"(cw)); } -/* mask x87 FPE, return true if the previous state was unmasked */ static int mask_x87(void) { unsigned short cw; @@ -136,7 +146,6 @@ static void unmask_sse2(void) __asm__ __volatile__("ldmxcsr %0" : : "m"(mxcsr)); } -/* mask SSE2 FPE, return true if the previous state was unmasked */ static int mask_sse2(void) { unsigned int mxcsr; @@ -257,21 +266,19 @@ static int cpu_has_sse2(void) } #endif /* !__x86_64__ */ -static void unmask_fpe(void) +static void unmask_fpe_internal(void) { - __asm__ __volatile__("fnclex"); unmask_x87(); if (cpu_has_sse2()) unmask_sse2(); } -static void unmask_fpe_conditional(int unmasked) +static void unmask_fpe(void) { - if (unmasked) - unmask_fpe(); + __asm__ __volatile__("fnclex"); + unmask_fpe_internal(); } -/* mask x86 FPE, return true if the previous state was unmasked */ static int mask_fpe(void) { int unmasked; @@ -285,9 +292,7 @@ static int mask_fpe(void) void erts_restore_fpu(void) { __asm__ __volatile__("fninit"); - unmask_x87(); - if (cpu_has_sse2()) - unmask_sse2(); + unmask_fpe_internal(); } #elif defined(__sparc__) && defined(__linux__) @@ -310,13 +315,6 @@ static void unmask_fpe(void) __asm__ __volatile__(LDX " %0, %%fsr" : : "m"(fsr)); } -static void unmask_fpe_conditional(int unmasked) -{ - if (unmasked) - unmask_fpe(); -} - -/* mask SPARC FPE, return true if the previous state was unmasked */ static int mask_fpe(void) { unsigned long fsr; @@ -431,13 +429,6 @@ static void unmask_fpe(void) set_fpscr(0x80|0x40|0x10); /* VE, OE, ZE; not UE or XE */ } -static void unmask_fpe_conditional(int unmasked) -{ - if (unmasked) - unmask_fpe(); -} - -/* mask PowerPC FPE, return true if the previous state was unmasked */ static int mask_fpe(void) { int unmasked; @@ -447,20 +438,13 @@ static int mask_fpe(void) return unmasked; } -#else +#else /* !(x86 || (sparc && linux) || (powerpc && (linux || darwin))) */ static void unmask_fpe(void) { fpsetmask(FP_X_INV | FP_X_OFL | FP_X_DZ); } -static void unmask_fpe_conditional(int unmasked) -{ - if (unmasked) - unmask_fpe(); -} - -/* mask IEEE FPE, return true if previous state was unmasked */ static int mask_fpe(void) { const fp_except unmasked_mask = FP_X_INV | FP_X_OFL | FP_X_DZ; @@ -472,6 +456,16 @@ static int mask_fpe(void) #endif +/* + * Define a processor and OS-specific SIGFPE handler. + * + * The effect of receiving a SIGFPE should be: + * 1. Update the processor context: + * a) on x86: mask FP exceptions, do not skip faulting instruction + * b) on SPARC and PowerPC: unmask FP exceptions, skip faulting instruction + * 2. call set_current_fp_exception with the PC of the faulting instruction + */ + #if (defined(__linux__) && (defined(__i386__) || defined(__x86_64__) || defined(__sparc__) || defined(__powerpc__))) || (defined(__DARWIN__) && (defined(__i386__) || defined(__x86_64__) || defined(__ppc__))) || (defined(__FreeBSD__) && (defined(__x86_64__) || defined(__i386__))) || ((defined(__NetBSD__) || defined(__OpenBSD__)) && defined(__x86_64__)) || (defined(__sun__) && defined(__x86_64__)) #if defined(__linux__) && defined(__i386__) @@ -520,8 +514,7 @@ static void fpe_sig_action(int sig, siginfo_t *si, void *puc) ucontext_t *uc = puc; unsigned long pc; -#if defined(__linux__) -#if defined(__x86_64__) +#if defined(__linux__) && defined(__x86_64__) mcontext_t *mc = &uc->uc_mcontext; fpregset_t fpstate = mc->fpregs; pc = mc_pc(mc); @@ -533,26 +526,26 @@ static void fpe_sig_action(int sig, siginfo_t *si, void *puc) set encoding makes that a poor solution here. */ fpstate->mxcsr = 0x1F80; fpstate->swd &= ~0xFF; -#elif defined(__i386__) +#elif defined(__linux__) && defined(__i386__) mcontext_t *mc = &uc->uc_mcontext; fpregset_t fpstate = mc->fpregs; pc = mc_pc(mc); if ((fpstate->status >> 16) == X86_FXSR_MAGIC) ((struct _fpstate*)fpstate)->mxcsr = 0x1F80; fpstate->sw &= ~0xFF; -#elif defined(__sparc__) && defined(__arch64__) +#elif defined(__linux__) && defined(__sparc__) && defined(__arch64__) /* on SPARC the 3rd parameter points to a sigcontext not a ucontext */ struct sigcontext *sc = (struct sigcontext*)puc; pc = sc->sigc_regs.tpc; sc->sigc_regs.tpc = sc->sigc_regs.tnpc; sc->sigc_regs.tnpc += 4; -#elif defined(__sparc__) +#elif defined(__linux__) && defined(__sparc__) /* on SPARC the 3rd parameter points to a sigcontext not a ucontext */ struct sigcontext *sc = (struct sigcontext*)puc; pc = sc->si_regs.pc; sc->si_regs.pc = sc->si_regs.npc; sc->si_regs.npc = (unsigned long)sc->si_regs.npc + 4; -#elif defined(__powerpc__) +#elif defined(__linux__) && defined(__powerpc__) #if defined(__powerpc64__) mcontext_t *mc = &uc->uc_mcontext; unsigned long *regs = &mc->gp_regs[0]; @@ -563,7 +556,6 @@ static void fpe_sig_action(int sig, siginfo_t *si, void *puc) pc = regs[PT_NIP]; regs[PT_NIP] += 4; regs[PT_FPSCR] = 0x80|0x40|0x10; /* VE, OE, ZE; not UE or XE */ -#endif #elif defined(__DARWIN__) && (defined(__i386__) || defined(__x86_64__)) # error "Floating-point exceptions not supported on MacOS X" #elif defined(__DARWIN__) && defined(__ppc__) @@ -621,7 +613,7 @@ static void fpe_sig_action(int sig, siginfo_t *si, void *puc) #endif #if 0 { - char buf[64]; + char buf[128]; snprintf(buf, sizeof buf, "%s: FPE at %p\r\n", __FUNCTION__, (void*)pc); write(2, buf, strlen(buf)); } @@ -706,7 +698,8 @@ int erts_sys_block_fpe(void) void erts_sys_unblock_fpe(int unmasked) { - unmask_fpe_conditional(unmasked); + if (unmasked) + unmask_fpe(); } #endif @@ -818,11 +811,6 @@ sys_chars_to_double(char* buf, double* fp) int matherr(struct exception *exc) { -#if !defined(NO_FPE_SIGNALS) - volatile unsigned long *fpexnp = erts_get_current_fp_exception(); - if (fpexnp != NULL) - *fpexnp = (unsigned long)__builtin_return_address(0); -#endif return 1; } diff --git a/erts/emulator/sys/win32/sys_float.c b/erts/emulator/sys/win32/sys_float.c index a2b9bd1263..2b2d6ab7d3 100644 --- a/erts/emulator/sys/win32/sys_float.c +++ b/erts/emulator/sys/win32/sys_float.c @@ -139,8 +139,7 @@ sys_double_to_chars_ext(double fp, char *buffer, size_t buffer_size, size_t deci int matherr(struct _exception *exc) { - erl_fp_exception = 1; - DEBUGF(("FP exception (matherr) (0x%x) (%d)\n", exc->type, erl_fp_exception)); + DEBUGF(("FP exception (matherr) (0x%x)\n", exc->type)); return 1; } diff --git a/erts/emulator/test/map_SUITE.erl b/erts/emulator/test/map_SUITE.erl index 956b82335c..b3870f0313 100644 --- a/erts/emulator/test/map_SUITE.erl +++ b/erts/emulator/test/map_SUITE.erl @@ -48,6 +48,7 @@ t_bif_map_new/1, t_bif_map_put/1, t_bif_map_remove/1, + t_bif_map_take/1, t_bif_map_take_large/1, t_bif_map_update/1, t_bif_map_values/1, t_bif_map_to_list/1, @@ -112,7 +113,9 @@ all() -> [t_build_and_match_literals, t_build_and_match_literals_large, t_bif_map_get,t_bif_map_find,t_bif_map_is_key, t_bif_map_keys, t_bif_map_merge, t_bif_map_new, t_bif_map_put, - t_bif_map_remove, t_bif_map_update, + t_bif_map_remove, + t_bif_map_take, t_bif_map_take_large, + t_bif_map_update, t_bif_map_values, t_bif_map_to_list, t_bif_map_from_list, @@ -1970,7 +1973,7 @@ t_bif_map_remove(Config) when is_list(Config) -> 0 = erlang:map_size(maps:remove(some_key, #{})), M0 = #{ "hi" => "hello", int => 3, <<"key">> => <<"value">>, - 4 => number, 18446744073709551629 => wat}, + 4 => number, 18446744073709551629 => wat}, M1 = maps:remove("hi", M0), true = is_members([4,18446744073709551629,int,<<"key">>],maps:keys(M1)), @@ -1999,10 +2002,71 @@ t_bif_map_remove(Config) when is_list(Config) -> %% error case do_badmap(fun(T) -> - {'EXIT',{{badmap,T},[{maps,remove,_,_}|_]}} = - (catch maps:remove(a, T)) + {'EXIT',{{badmap,T},[{maps,remove,_,_}|_]}} = (catch maps:remove(a, T)) end), - ok. + ok. + +t_bif_map_take(Config) when is_list(Config) -> + error = maps:take(some_key, #{}), + + M0 = #{ "hi" => "hello", int => 3, <<"key">> => <<"value">>, + 4 => number, 18446744073709551629 => wat}, + + 5 = maps:size(M0), + {"hello", M1} = maps:take("hi", M0), + true = is_members([4,18446744073709551629,int,<<"key">>],maps:keys(M1)), + true = is_members([number,wat,3,<<"value">>],maps:values(M1)), + error = maps:take("hi", M1), + 4 = maps:size(M1), + + {3, M2} = maps:take(int, M1), + true = is_members([4,18446744073709551629,<<"key">>],maps:keys(M2)), + true = is_members([number,wat,<<"value">>],maps:values(M2)), + error = maps:take(int, M2), + 3 = maps:size(M2), + + {<<"value">>,M3} = maps:take(<<"key">>, M2), + true = is_members([4,18446744073709551629],maps:keys(M3)), + true = is_members([number,wat],maps:values(M3)), + error = maps:take(<<"key">>, M3), + 2 = maps:size(M3), + + {wat,M4} = maps:take(18446744073709551629, M3), + true = is_members([4],maps:keys(M4)), + true = is_members([number],maps:values(M4)), + error = maps:take(18446744073709551629, M4), + 1 = maps:size(M4), + + {number,M5} = maps:take(4, M4), + [] = maps:keys(M5), + [] = maps:values(M5), + error = maps:take(4, M5), + 0 = maps:size(M5), + + {wat,#{ "hi" := "hello", int := 3, 4 := number, <<"key">> := <<"value">>}} = maps:take(18446744073709551629,M0), + + %% error case + do_badmap(fun(T) -> + {'EXIT',{{badmap,T},[{maps,take,_,_}|_]}} = (catch maps:take(a, T)) + end), + ok. + +t_bif_map_take_large(Config) when is_list(Config) -> + KVs = [{{erlang:md5(<<I:64>>),I}, I}|| I <- lists:seq(1,500)], + M0 = maps:from_list(KVs), + ok = bif_map_take_all(KVs, M0), + ok. + +bif_map_take_all([], M0) -> + 0 = maps:size(M0), + ok; +bif_map_take_all([{K,V}|KVs],M0) -> + {ok,V} = maps:find(K,M0), + {V,M1} = maps:take(K,M0), + error = maps:find(K,M1), + error = maps:take(K,M1), + bif_map_take_all(KVs,M1). + t_bif_map_update(Config) when is_list(Config) -> M0 = #{ "hi" => "hello", int => 3, <<"key">> => <<"value">>, diff --git a/erts/emulator/test/sensitive_SUITE.erl b/erts/emulator/test/sensitive_SUITE.erl index b7ff4c109c..c3e303bbd1 100644 --- a/erts/emulator/test/sensitive_SUITE.erl +++ b/erts/emulator/test/sensitive_SUITE.erl @@ -311,7 +311,7 @@ gc_trace(Config) when is_list(Config) -> wait_trace(Self), {messages,Messages} = process_info(Tracer, messages), - [{trace,Self,gc_start,_},{trace,Self,gc_end,_}] = Messages, + [{trace,Self,gc_major_start,_},{trace,Self,gc_major_end,_}] = Messages, unlink(Tracer), exit(Tracer, kill), ok. diff --git a/erts/emulator/test/trace_port_SUITE.erl b/erts/emulator/test/trace_port_SUITE.erl index 1068c1d22d..a66563d15b 100644 --- a/erts/emulator/test/trace_port_SUITE.erl +++ b/erts/emulator/test/trace_port_SUITE.erl @@ -236,13 +236,13 @@ gc(Config) when is_list(Config) -> trace_info(Garber, flags), Garber ! hi, - expect({trace,Garber,gc_start,info}), - expect({trace,Garber,gc_end,info}), + expect({trace,Garber,gc_major_start,info}), + expect({trace,Garber,gc_major_end,info}), trac(Garber, true, [garbage_collection,timestamp]), Garber ! hi, - expect({trace_ts,Garber,gc_start,info,ts}), - expect({trace_ts,Garber,gc_end,info,ts}), + expect({trace_ts,Garber,gc_major_start,info,ts}), + expect({trace_ts,Garber,gc_major_end,info,ts}), ok. diff --git a/erts/emulator/test/tracer_SUITE.erl b/erts/emulator/test/tracer_SUITE.erl index 812e834562..de44d6656a 100644 --- a/erts/emulator/test/tracer_SUITE.erl +++ b/erts/emulator/test/tracer_SUITE.erl @@ -468,12 +468,12 @@ gc_start(_Config) -> fun(Pid, State, EOpts) -> receive Msg -> - {Pid, gc_start, State, Pid, _, undefined, Opts} = Msg, + {Pid, gc_major_start, State, Pid, _, undefined, Opts} = Msg, check_opts(EOpts, Opts) end end, - test(gc_start, garbage_collection, Tc, Expect, true). + test(gc_major_start, garbage_collection, Tc, Expect, true). gc_end(_Config) -> @@ -488,12 +488,12 @@ gc_end(_Config) -> fun(Pid, State, EOpts) -> receive Msg -> - {Pid, gc_end, State, Pid, _, undefined, Opts} = Msg, + {Pid, gc_major_end, State, Pid, _, undefined, Opts} = Msg, check_opts(EOpts, Opts) end end, - test(gc_end, garbage_collection, Tc, Expect, true). + test(gc_major_end, garbage_collection, Tc, Expect, true). test(Event, Tc, Expect) -> test(Event, Tc, Expect, true). diff --git a/erts/preloaded/ebin/erl_tracer.beam b/erts/preloaded/ebin/erl_tracer.beam Binary files differindex ffe5d5631c..b8f3f6d8c2 100644 --- a/erts/preloaded/ebin/erl_tracer.beam +++ b/erts/preloaded/ebin/erl_tracer.beam diff --git a/erts/preloaded/ebin/init.beam b/erts/preloaded/ebin/init.beam Binary files differindex b13b33170d..ee32066f53 100644 --- a/erts/preloaded/ebin/init.beam +++ b/erts/preloaded/ebin/init.beam diff --git a/erts/preloaded/src/erl_tracer.erl b/erts/preloaded/src/erl_tracer.erl index 2177e48f60..de1e9ca01e 100644 --- a/erts/preloaded/src/erl_tracer.erl +++ b/erts/preloaded/src/erl_tracer.erl @@ -3,12 +3,29 @@ -export([enabled/3, trace/6, on_load/0]). -type tracee() :: port() | pid() | undefined. --type trace_tag() :: send | send_to_non_existing_process | 'receive' | - call | return_to | return_from | exception_from | - spawn | spawned | exit | link | unlink | getting_linked | - getting_unlinked | register | unregister | in | out | - in_exiting | out_exiting | out_exited | - open | closed | gc_start | gc_end. + +-type trace_tag_running_ports() :: in | out | in_exiting | out_exiting | out_exited. +-type trace_tag_running_procs() :: in | out | in_exiting | out_exiting | out_exited. +-type trace_tag_send() :: send | send_to_non_existing_process. +-type trace_tag_receive() :: 'receive'. +-type trace_tag_call() :: call | return_to | return_from | exception_from. +-type trace_tag_procs() :: spawn | spawned | exit | link | unlink + | getting_linked | getting_unlinked + | register | unregister. +-type trace_tag_ports() :: open | closed | link | unlink + | getting_linked | getting_unlinked. +-type trace_tag_gc() :: gc_minor_start | gc_minor_end + | gc_major_start | gc_major_end. + +-type trace_tag() :: trace_tag_send() + | trace_tag_receive() + | trace_tag_call() + | trace_tag_procs() + | trace_tag_ports() + | trace_tag_running_procs() + | trace_tag_running_ports() + | trace_tag_gc(). + -type trace_opts() :: #{ match_spec_result => true | term(), scheduler_id => undefined | non_neg_integer(), timestamp => undefined | timestamp | cpu_timestamp | diff --git a/erts/preloaded/src/erlang.erl b/erts/preloaded/src/erlang.erl index 3cc17014ff..20a64e81b4 100644 --- a/erts/preloaded/src/erlang.erl +++ b/erts/preloaded/src/erlang.erl @@ -2257,9 +2257,9 @@ spawn_opt(_Tuple) -> Input :: non_neg_integer(), Output :: non_neg_integer(); (microstate_accounting) -> [MSAcc_Thread] | undefined when - MSAcc_Thread :: #{ type => MSAcc_Thread_Type, - id => MSAcc_Thread_Id, - counters => MSAcc_Counters}, + MSAcc_Thread :: #{ type := MSAcc_Thread_Type, + id := MSAcc_Thread_Id, + counters := MSAcc_Counters}, MSAcc_Thread_Type :: scheduler | async | aux, MSAcc_Thread_Id :: non_neg_integer(), MSAcc_Counters :: #{ MSAcc_Thread_State => non_neg_integer() }, diff --git a/erts/preloaded/src/init.erl b/erts/preloaded/src/init.erl index 77684751c8..618b53f6bb 100644 --- a/erts/preloaded/src/init.erl +++ b/erts/preloaded/src/init.erl @@ -41,6 +41,7 @@ %% -s : Start own processes. %% %% Experimental flags: +%% -profile_boot : Use an 'eprof light' to profile boot sequence %% -init_debug : Activate debug printouts in init %% -loader_debug : Activate debug printouts in erl_prim_loader %% -code_path_choice : strict | relaxed @@ -184,6 +185,11 @@ boot(BootArgs) -> erl_tracer:on_load(), {Start0,Flags,Args} = parse_boot_args(BootArgs), + %% We don't get to profile parsing of BootArgs + case get_flag(profile_boot, Flags, false) of + false -> ok; + true -> debug_profile_start() + end, Start = map(fun prepare_run_args/1, Start0), boot(Start, Flags, Args). @@ -765,7 +771,14 @@ do_boot(Init,Flags,Start) -> %% print the node name into the Purify log. (catch erlang:system_info({purify, "Node: " ++ atom_to_list(node())})), - start_em(Start). + start_em(Start), + case get_flag(profile_boot,Flags,false) of + false -> ok; + true -> + debug_profile_format_mfas(debug_profile_mfas()), + debug_profile_stop() + end, + ok. get_root(Flags) -> case get_argument(root, Flags) of @@ -1339,3 +1352,64 @@ run_on_load_handlers([M|Ms], Debug) -> end end; run_on_load_handlers([], _) -> ok. + + +%% debug profile (light variant of eprof) +debug_profile_start() -> + _ = erlang:trace_pattern({'_','_','_'},true,[call_time]), + _ = erlang:trace_pattern(on_load,true,[call_time]), + _ = erlang:trace(all,true,[call]), + ok. + +debug_profile_stop() -> + _ = erlang:trace_pattern({'_','_','_'},false,[call_time]), + _ = erlang:trace_pattern(on_load,false,[call_time]), + _ = erlang:trace(all,false,[call]), + ok. + +debug_profile_mfas() -> + _ = erlang:trace_pattern({'_','_','_'},pause,[call_time]), + _ = erlang:trace_pattern(on_load,pause,[call_time]), + MFAs = collect_loaded_mfas() ++ erlang:system_info(snifs), + collect_mfas(MFAs,[]). + +%% debug_profile_format_mfas should be called at the end of the boot phase +%% so all pertinent modules should be loaded at that point. +debug_profile_format_mfas(MFAs0) -> + MFAs = lists:sort(MFAs0), + lists:foreach(fun({{Us,C},{M,F,A}}) -> + Str = io_lib:format("~w:~w/~w", [M,F,A]), + io:format(standard_error,"~55s - ~6w : ~w us~n", [Str,C,Us]) + end, MFAs), + ok. + +collect_loaded_mfas() -> + Ms = [M || M <- [element(1, Mi) || Mi <- code:all_loaded()]], + collect_loaded_mfas(Ms,[]). + +collect_loaded_mfas([],MFAs) -> MFAs; +collect_loaded_mfas([M|Ms],MFAs0) -> + MFAs = [{M,F,A} || {F,A} <- M:module_info(functions)], + collect_loaded_mfas(Ms,MFAs ++ MFAs0). + + +collect_mfas([], Info) -> Info; +collect_mfas([MFA|MFAs],Info) -> + case erlang:trace_info(MFA,call_time) of + {call_time, []} -> + collect_mfas(MFAs,Info); + {call_time, false} -> + collect_mfas(MFAs,Info); + {call_time, Data} -> + case collect_mfa(MFA,Data,0,0) of + {{0,_},_} -> + %% ignore mfas with zero time + collect_mfas(MFAs,Info); + MfaData -> + collect_mfas(MFAs,[MfaData|Info]) + end + end. + +collect_mfa(Mfa,[],Count,Time) -> {{Time,Count},Mfa}; +collect_mfa(Mfa,[{_Pid,C,S,Us}|Data],Count,Time) -> + collect_mfa(Mfa,Data,Count + C,Time + S * 1000000 + Us). |