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authorLukas Larsson <[email protected]>2016-02-29 15:09:26 +0100
committerLukas Larsson <[email protected]>2016-04-15 15:07:38 +0200
commit3738103d0b1195e570a7525c4370cd490a5368aa (patch)
tree24fd26a93799a643c7d672ef0d794696057c0187 /erts/emulator/beam
parentb8ca148ba2c98a2bec923dbac6ed52a80aa167ca (diff)
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erts: Add 'spawned' trace event to 'procs' trace flag
OTP-13497 This trace event is triggered when a process is created from the process that is created.
Diffstat (limited to 'erts/emulator/beam')
-rw-r--r--erts/emulator/beam/atom.names1
-rw-r--r--erts/emulator/beam/erl_process.c13
-rw-r--r--erts/emulator/beam/erl_trace.c6
-rw-r--r--erts/emulator/beam/erl_trace.h2
4 files changed, 17 insertions, 5 deletions
diff --git a/erts/emulator/beam/atom.names b/erts/emulator/beam/atom.names
index bd1005867c..8c51f788c0 100644
--- a/erts/emulator/beam/atom.names
+++ b/erts/emulator/beam/atom.names
@@ -571,6 +571,7 @@ atom size
atom sl_alloc
atom spawn_executable
atom spawn_driver
+atom spawned
atom ssl_tls
atom stack_size
atom start
diff --git a/erts/emulator/beam/erl_process.c b/erts/emulator/beam/erl_process.c
index 1398bc9c61..a520005c35 100644
--- a/erts/emulator/beam/erl_process.c
+++ b/erts/emulator/beam/erl_process.c
@@ -11176,12 +11176,23 @@ erl_create_process(Process* parent, /* Parent of process (default group leader).
locks &= ~(ERTS_PROC_LOCK_STATUS|ERTS_PROC_LOCK_TRACE);
erts_smp_proc_unlock(p, ERTS_PROC_LOCK_STATUS|ERTS_PROC_LOCK_TRACE);
erts_smp_proc_unlock(parent, ERTS_PROC_LOCK_STATUS|ERTS_PROC_LOCK_TRACE);
- trace_proc_spawn(parent, p->common.id, mod, func, args);
+ trace_proc_spawn(parent, am_spawn, p->common.id, mod, func, args);
if (so->flags & SPO_LINK)
trace_proc(parent, locks, parent, am_link, p->common.id);
}
}
+ if (IS_TRACED_FL(p, F_TRACE_PROCS)) {
+ if (locks & (ERTS_PROC_LOCK_STATUS|ERTS_PROC_LOCK_TRACE)) {
+ locks &= ~(ERTS_PROC_LOCK_STATUS|ERTS_PROC_LOCK_TRACE);
+ erts_smp_proc_unlock(p, locks & (ERTS_PROC_LOCK_STATUS|ERTS_PROC_LOCK_TRACE));
+ erts_smp_proc_unlock(parent, locks & (ERTS_PROC_LOCK_STATUS|ERTS_PROC_LOCK_TRACE));
+ }
+ trace_proc_spawn(p, am_spawned, parent->common.id, mod, func, args);
+ if (so->flags & SPO_LINK)
+ trace_proc(p, locks, p, am_getting_linked, parent->common.id);
+ }
+
/*
* Check if this process should be initially linked to its parent.
*/
diff --git a/erts/emulator/beam/erl_trace.c b/erts/emulator/beam/erl_trace.c
index 5ba58e9350..3027e34968 100644
--- a/erts/emulator/beam/erl_trace.c
+++ b/erts/emulator/beam/erl_trace.c
@@ -1249,20 +1249,20 @@ trace_proc(Process *c_p, ErtsProcLocks c_p_locks,
* and 'args' may be a deep term.
*/
void
-trace_proc_spawn(Process *p, Eterm pid,
+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 &
~(ERTS_PROC_LOCK_STATUS|ERTS_PROC_LOCK_TRACE),
- &p->common, &tnif, am_spawn)) {
+ &p->common, &tnif, 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, am_spawn, pid, mfa);
+ send_to_tracer_nif(p, &p->common, p->common.id, tnif, what, pid, mfa);
}
}
diff --git a/erts/emulator/beam/erl_trace.h b/erts/emulator/beam/erl_trace.h
index 0fefd6f70d..14d0c36016 100644
--- a/erts/emulator/beam/erl_trace.h
+++ b/erts/emulator/beam/erl_trace.h
@@ -100,7 +100,7 @@ void erts_trace_exception(Process* p, BeamInstr mfa[], Eterm class, Eterm value,
void erts_trace_return_to(Process *p, BeamInstr *pc);
void trace_sched(Process*, ErtsProcLocks, Eterm);
void trace_proc(Process*, ErtsProcLocks, Process*, Eterm, Eterm);
-void trace_proc_spawn(Process*, Eterm pid, Eterm mod, Eterm func, Eterm args);
+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);
/* port tracing */