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Diffstat (limited to 'erts/emulator/beam/erl_trace.c')
-rw-r--r--erts/emulator/beam/erl_trace.c100
1 files changed, 62 insertions, 38 deletions
diff --git a/erts/emulator/beam/erl_trace.c b/erts/emulator/beam/erl_trace.c
index 1c0fc0a11f..447b46d239 100644
--- a/erts/emulator/beam/erl_trace.c
+++ b/erts/emulator/beam/erl_trace.c
@@ -396,7 +396,7 @@ send_to_tracer_nif(Process *c_p, ErtsPTabElementCommon *t_p,
Eterm tag, Eterm msg, Eterm extra,
Eterm pam_result);
static ERTS_INLINE Eterm
-call_enabled_tracer(Process *c_p, const ErtsTracer tracer,
+call_enabled_tracer(const ErtsTracer tracer,
ErtsTracerNif **tnif_ref,
enum ErtsTracerOpt topt,
Eterm tag, Eterm t_p_id);
@@ -459,8 +459,7 @@ erts_set_system_seq_tracer(Process *c_p, ErtsProcLocks c_p_locks, ErtsTracer new
if (!ERTS_TRACER_IS_NIL(new)) {
Eterm nif_result = call_enabled_tracer(
- NULL, new, NULL,
- TRACE_FUN_ENABLED, am_trace_status, am_undefined);
+ new, NULL, TRACE_FUN_ENABLED, am_trace_status, am_undefined);
switch (nif_result) {
case am_trace: break;
default:
@@ -492,7 +491,7 @@ erts_get_system_seq_tracer(void)
erts_smp_rwmtx_runlock(&sys_trace_rwmtx);
if (st != erts_tracer_nil &&
- call_enabled_tracer(NULL, st, NULL, TRACE_FUN_ENABLED,
+ call_enabled_tracer(st, NULL, TRACE_FUN_ENABLED,
am_trace_status, am_undefined) == am_remove) {
erts_set_system_seq_tracer(NULL, 0, erts_tracer_nil);
st = erts_tracer_nil;
@@ -513,7 +512,7 @@ get_default_tracing(Uint *flagsp, ErtsTracer *tracerp,
*default_trace_flags &= ~TRACEE_FLAGS;
} else {
Eterm nif_res;
- nif_res = call_enabled_tracer(NULL, *default_tracer,
+ nif_res = call_enabled_tracer(*default_tracer,
NULL, TRACE_FUN_ENABLED,
am_trace_status, am_undefined);
switch (nif_res) {
@@ -915,8 +914,8 @@ seq_trace_update_send(Process *p)
ASSERT((is_tuple(SEQ_TRACE_TOKEN(p)) || is_nil(SEQ_TRACE_TOKEN(p))));
if (have_no_seqtrace(SEQ_TRACE_TOKEN(p)) ||
(seq_tracer != NIL &&
- call_enabled_tracer(NULL, seq_tracer, NULL,
- TRACE_FUN_ENABLED, am_trace_status,
+ call_enabled_tracer(seq_tracer, NULL,
+ TRACE_FUN_ENABLED, am_seq_trace,
p ? p->common.id : am_undefined) != am_trace)
#ifdef USE_VM_PROBES
|| (SEQ_TRACE_TOKEN(p) == am_have_dt_utag)
@@ -963,9 +962,9 @@ seq_trace_output_generic(Eterm token, Eterm msg, Uint type,
ASSERT(is_tuple(token) || is_nil(token));
if (token == NIL || (process && ERTS_TRACE_FLAGS(process) & F_SENSITIVE) ||
ERTS_TRACER_IS_NIL(seq_tracer) ||
- call_enabled_tracer(NULL, seq_tracer,
+ call_enabled_tracer(seq_tracer,
NULL, TRACE_FUN_ENABLED,
- am_trace_status,
+ am_seq_trace,
process ? process->common.id : am_undefined) != am_trace) {
return;
}
@@ -1186,7 +1185,11 @@ erts_call_trace(Process* p, BeamInstr mfa[3], Binary *match_spec,
* use process flags
*/
tracee_flags = &ERTS_TRACE_FLAGS(p);
+ /* Is is not ideal at all to call this check twice,
+ it should be optimized so that only one call is made. */
if (!is_tracer_enabled(p, ERTS_PROC_LOCK_MAIN, &p->common, &tnif,
+ TRACE_FUN_ENABLED, am_trace_status)
+ || !is_tracer_enabled(p, ERTS_PROC_LOCK_MAIN, &p->common, &tnif,
TRACE_FUN_E_CALL, am_call)) {
return 0;
}
@@ -1202,13 +1205,21 @@ erts_call_trace(Process* p, BeamInstr mfa[3], Binary *match_spec,
}
meta_flags = F_TRACE_CALLS | F_NOW_TS;
tracee_flags = &meta_flags;
- switch (call_enabled_tracer(p, *tracer,
- &tnif, TRACE_FUN_T_CALL,
- am_call, p->common.id)) {
+ switch (call_enabled_tracer(*tracer,
+ &tnif, TRACE_FUN_ENABLED,
+ am_trace_status, p->common.id)) {
default:
case am_remove: *tracer = erts_tracer_nil;
case am_discard: return 0;
- case am_trace: break;
+ case am_trace:
+ switch (call_enabled_tracer(*tracer,
+ &tnif, TRACE_FUN_T_CALL,
+ am_call, p->common.id)) {
+ default:
+ case am_discard: return 0;
+ case am_trace: break;
+ }
+ break;
}
}
@@ -1346,9 +1357,9 @@ trace_proc(Process *c_p, ErtsProcLocks c_p_locks,
Process *t_p, Eterm what, Eterm data)
{
ErtsTracerNif *tnif = NULL;
- if (is_tracer_enabled(c_p, c_p_locks, &t_p->common, &tnif,
+ if (is_tracer_enabled(NULL, 0, &t_p->common, &tnif,
TRACE_FUN_E_PROCS, what))
- send_to_tracer_nif(c_p, &t_p->common, t_p->common.id, tnif, TRACE_FUN_T_PROCS,
+ send_to_tracer_nif(NULL, &t_p->common, t_p->common.id, tnif, TRACE_FUN_T_PROCS,
what, data, THE_NON_VALUE, am_true);
}
@@ -1365,16 +1376,15 @@ trace_proc_spawn(Process *p, Eterm what, Eterm pid,
Eterm mod, Eterm func, Eterm args)
{
ErtsTracerNif *tnif = NULL;
- if (is_tracer_enabled(p, ERTS_PROC_LOCKS_ALL &
- ~(ERTS_PROC_LOCK_STATUS|ERTS_PROC_LOCK_TRACE),
- &p->common, &tnif, TRACE_FUN_E_PROCS, what)) {
+ if (is_tracer_enabled(NULL, 0,
+ &p->common, &tnif, TRACE_FUN_E_PROCS, what)) {
Eterm mfa;
Eterm* hp;
hp = HAlloc(p, 4);
mfa = TUPLE3(hp, mod, func, args);
hp += 4;
- send_to_tracer_nif(p, &p->common, p->common.id, tnif, TRACE_FUN_T_PROCS,
+ send_to_tracer_nif(NULL, &p->common, p->common.id, tnif, TRACE_FUN_T_PROCS,
what, pid, mfa, am_true);
}
}
@@ -2896,23 +2906,28 @@ send_to_tracer_nif(Process *c_p, ErtsPTabElementCommon *t_p,
}
static ERTS_INLINE Eterm
-call_enabled_tracer(Process *c_p, const ErtsTracer tracer,
+call_enabled_tracer(const ErtsTracer tracer,
ErtsTracerNif **tnif_ret,
enum ErtsTracerOpt topt,
Eterm tag, Eterm t_p_id) {
ErtsTracerNif *tnif = lookup_tracer_nif(tracer);
if (tnif) {
- Eterm argv[] = {tag, ERTS_TRACER_STATE(tracer), t_p_id};
+ Eterm argv[] = {tag, ERTS_TRACER_STATE(tracer), t_p_id},
+ ret;
topt = (tnif->tracers[topt].cb) ? topt : TRACE_FUN_ENABLED;
ASSERT(topt < NIF_TRACER_TYPES);
ASSERT(tnif->tracers[topt].cb != NULL);
if (tnif_ret) *tnif_ret = tnif;
- return erts_nif_call_function(c_p, NULL, tnif->nif_mod,
- tnif->tracers[topt].cb,
- tnif->tracers[topt].arity,
- argv);
+ ret = erts_nif_call_function(NULL, NULL, tnif->nif_mod,
+ tnif->tracers[topt].cb,
+ tnif->tracers[topt].arity,
+ argv);
+ if (tag == am_trace_status && ret != am_remove)
+ return am_trace;
+ ASSERT(tag == am_trace_status || ret != am_remove);
+ return ret;
}
- return am_remove;
+ return tag == am_trace_status ? am_remove : am_discard;
}
static int
@@ -2937,12 +2952,12 @@ is_tracer_enabled(Process* c_p, ErtsProcLocks c_p_locks,
}
#endif
- nif_result = call_enabled_tracer(c_p, t_p->tracer, tnif_ret, topt, tag, t_p->id);
+ nif_result = call_enabled_tracer(t_p->tracer, tnif_ret, topt, tag, t_p->id);
switch (nif_result) {
case am_discard: return 0;
case am_trace: return 1;
case THE_NON_VALUE:
- case am_remove: break;
+ case am_remove: ASSERT(tag == am_trace_status); break;
default:
/* only am_remove should be returned, but if
something else is returned we fall-through
@@ -2973,19 +2988,14 @@ is_tracer_enabled(Process* c_p, ErtsProcLocks c_p_locks,
return 0;
}
-int erts_is_tracer_proc_enabled(Process* c_p, ErtsProcLocks c_p_locks,
- ErtsPTabElementCommon *t_p, Eterm type)
-{
- return is_tracer_enabled(c_p, c_p_locks, t_p, NULL, TRACE_FUN_ENABLED, am_trace_status);
-}
-
-int erts_is_tracer_enabled(Process *c_p, const ErtsTracer tracer)
+int erts_is_tracer_enabled(const ErtsTracer tracer, ErtsPTabElementCommon *t_p)
{
ErtsTracerNif *tnif = lookup_tracer_nif(tracer);
if (tnif) {
- Eterm nif_result = call_enabled_tracer(c_p, tracer, &tnif,
- TRACE_FUN_ENABLED, am_trace_status,
- c_p->common.id);
+ Eterm nif_result = call_enabled_tracer(tracer, &tnif,
+ TRACE_FUN_ENABLED,
+ am_trace_status,
+ t_p->id);
switch (nif_result) {
case am_discard:
case am_trace: return 1;
@@ -2996,6 +3006,20 @@ int erts_is_tracer_enabled(Process *c_p, const ErtsTracer tracer)
return 0;
}
+int erts_is_tracer_proc_enabled(Process* c_p, ErtsProcLocks c_p_locks,
+ ErtsPTabElementCommon *t_p)
+{
+ return is_tracer_enabled(c_p, c_p_locks, t_p, NULL, TRACE_FUN_ENABLED,
+ am_trace_status);
+}
+
+int erts_is_tracer_proc_enabled_send(Process* c_p, ErtsProcLocks c_p_locks,
+ ErtsPTabElementCommon *t_p)
+{
+ return is_tracer_enabled(c_p, c_p_locks, t_p, NULL, TRACE_FUN_T_SEND, am_send);
+}
+
+
void erts_tracer_replace(ErtsPTabElementCommon *t_p, const ErtsTracer tracer)
{
#if defined(ERTS_SMP) && defined(ERTS_ENABLE_LOCK_CHECK)
generated by cgit v1.2.3 (git 2.25.1) at 2024-06-26 16:09:30 +0000