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authorBjörn-Egil Dahlberg <[email protected]>2016-04-29 18:36:22 +0200
committerBjörn-Egil Dahlberg <[email protected]>2016-04-29 18:36:22 +0200
commita8667f3fcdd4ee1f59f4826d148dd0838680eda9 (patch)
tree74cd7f5a1c6c282d76c07362cee96f0b8ad46793 /erts/emulator/beam/erl_trace.c
parent47b6c981fb461a4b85444ce9dd072b64937e4b84 (diff)
parent535aec73c5af7c7e2f48f29ad35d2319d91b9c90 (diff)
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Merge branch 'egil/erts/tracing-support-lttng/OTP-13532'
* egil/erts/tracing-support-lttng/OTP-13532: (28 commits) runtime_tools: User's guide to LTTng and dyntrace runtime_tools: Fix Dtrace build erts: Fix gc messages in tracer_SUITE erts: Fix gc messages in sensitive_SUITE erts: Fix gc messages in trace_port_SUITE tools: Update fprof tests tools: Update fprof with new gc traces runtime_tools: Update dyntrace_lttng_SUITE tests runtime_tools: Add 'return_to' for call tracing erts: Fix return_to trace callback erts: Update erl_tracer documentation erts: Fix erl_tracer documentation typos Update preloaded erl_tracer.beam erts: Update erl_tracer type specs runtime_tools: Add lttng dyntrace tests runtime_tools: Extend 'trace' and 'enabled' tracer callbacks erts: Extend 'enabled' and 'trace' tracer callbacks runtime_tools: Extend 'enabled' tracer callbacks erts: Extend 'enabled' tracer callbacks runtime_tools: Update lttng garbage collection trace ...
Diffstat (limited to 'erts/emulator/beam/erl_trace.c')
-rw-r--r--erts/emulator/beam/erl_trace.c335
1 files changed, 234 insertions, 101 deletions
diff --git a/erts/emulator/beam/erl_trace.c b/erts/emulator/beam/erl_trace.c
index bd88769dfc..56899f574a 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;
@@ -737,7 +766,7 @@ 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))
@@ -756,7 +785,7 @@ 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);
}
@@ -795,8 +824,10 @@ 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}
@@ -806,10 +837,11 @@ 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
@@ -819,8 +851,9 @@ 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
@@ -866,9 +899,10 @@ 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;
}
@@ -897,14 +931,13 @@ 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);
@@ -929,7 +962,8 @@ 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);
}
@@ -983,7 +1017,7 @@ 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},
@@ -1038,7 +1072,7 @@ 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);
}
/*
@@ -1088,7 +1122,8 @@ 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 {
@@ -1103,7 +1138,9 @@ 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;
@@ -1227,7 +1264,7 @@ 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)
@@ -1249,8 +1286,9 @@ 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);
}
@@ -1267,16 +1305,17 @@ 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);
}
}
@@ -1308,23 +1347,25 @@ 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);
}
}
@@ -1737,9 +1778,9 @@ 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:
@@ -1756,8 +1797,8 @@ 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);
}
@@ -1802,7 +1843,7 @@ 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)
@@ -1894,7 +1935,7 @@ trace_port_receive(Port *t_p, Eterm caller, Eterm what, ...)
}
data = TUPLE2(hp, caller, data);
- 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_RECEIVE,
am_receive, data, THE_NON_VALUE);
if (bptr && erts_refc_dectest(&bptr->refc, 1) == 0)
@@ -1916,8 +1957,8 @@ 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);
}
@@ -1927,7 +1968,7 @@ 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))
@@ -1946,7 +1987,7 @@ 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);
@@ -1975,9 +2016,10 @@ 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 */
@@ -2523,14 +2565,97 @@ 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;
@@ -2543,31 +2668,32 @@ 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;
}
@@ -2660,17 +2786,18 @@ 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);
@@ -2681,8 +2808,7 @@ 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)
@@ -2705,16 +2831,18 @@ 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) {
@@ -2733,29 +2861,35 @@ 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)
@@ -2773,7 +2907,7 @@ 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;
@@ -2806,14 +2940,13 @@ 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)
@@ -2821,7 +2954,7 @@ 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: