diff options
Diffstat (limited to 'erts/emulator/beam/erl_trace.h')
| -rw-r--r-- | erts/emulator/beam/erl_trace.h | 148 |
1 files changed, 117 insertions, 31 deletions
diff --git a/erts/emulator/beam/erl_trace.h b/erts/emulator/beam/erl_trace.h index 853c6cb0d8..0095d4386b 100644 --- a/erts/emulator/beam/erl_trace.h +++ b/erts/emulator/beam/erl_trace.h @@ -1,28 +1,70 @@ /* * %CopyrightBegin% * - * Copyright Ericsson AB 2012-2013. All Rights Reserved. + * Copyright Ericsson AB 2012-2016. All Rights Reserved. * - * The contents of this file are subject to the Erlang Public License, - * Version 1.1, (the "License"); you may not use this file except in - * compliance with the License. You should have received a copy of the - * Erlang Public License along with this software. If not, it can be - * retrieved online at http://www.erlang.org/. + * Licensed under the Apache License, Version 2.0 (the "License"); + * you may not use this file except in compliance with the License. + * You may obtain a copy of the License at * - * Software distributed under the License is distributed on an "AS IS" - * basis, WITHOUT WARRANTY OF ANY KIND, either express or implied. See - * the License for the specific language governing rights and limitations - * under the License. + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. * * %CopyrightEnd% */ +#ifndef ERL_TRACE_H__FLAGS__ +#define ERL_TRACE_H__FLAGS__ +/* + * NOTE! The bits used for these flags matter. The flag with + * the least significant bit will take precedence! + * + * The "now timestamp" has highest precedence due to + * compatibility reasons. + */ +#define ERTS_TRACE_FLG_NOW_TIMESTAMP (1 << 0) +#define ERTS_TRACE_FLG_STRICT_MONOTONIC_TIMESTAMP (1 << 1) +#define ERTS_TRACE_FLG_MONOTONIC_TIMESTAMP (1 << 2) -#ifndef ERL_TRACE_H__ +/* + * The bits used effects trace flags (of processes and ports) + * as well as sequential trace flags. If changed make sure + * these arn't messed up... + */ +#define ERTS_TRACE_TS_TYPE_BITS 3 +#define ERTS_TRACE_TS_TYPE_MASK \ + ((1 << ERTS_TRACE_TS_TYPE_BITS) - 1) + +#define ERTS_TFLGS2TSTYPE(TFLGS) \ + ((int) (((TFLGS) >> ERTS_TRACE_FLAGS_TS_TYPE_SHIFT) \ + & ERTS_TRACE_TS_TYPE_MASK)) +#define ERTS_SEQTFLGS2TSTYPE(SEQTFLGS) \ + ((int) (((SEQTFLGS) >> ERTS_SEQ_TRACE_FLAGS_TS_TYPE_SHIFT) \ + & ERTS_TRACE_TS_TYPE_MASK)) +#define ERTS_SEQTFLGS2TFLGS(SEQTFLGS) \ + (ERTS_SEQTFLGS2TSTYPE(SEQTFLGS) << ERTS_TRACE_FLAGS_TS_TYPE_SHIFT) + +#endif /* ERL_TRACE_H__FLAGS__ */ + +#if !defined(ERL_TRACE_H__) && !defined(ERTS_ONLY_INCLUDE_TRACE_FLAGS) #define ERL_TRACE_H__ struct binary; +typedef struct +{ + int on; + struct binary* match_spec; +} ErtsTracingEvent; + +extern ErtsTracingEvent erts_send_tracing[]; +extern ErtsTracingEvent erts_receive_tracing[]; + /* erl_bif_trace.c */ Eterm erl_seq_trace_info(Process *p, Eterm arg1); void erts_system_monitor_clear(Process *c_p); @@ -31,14 +73,19 @@ void erts_system_profile_clear(Process *c_p); /* erl_trace.c */ void erts_init_trace(void); void erts_trace_check_exiting(Eterm exiting); -Eterm erts_set_system_seq_tracer(Process *c_p, - ErtsProcLocks c_p_locks, - Eterm new); -Eterm erts_get_system_seq_tracer(void); -void erts_change_default_tracing(int setflags, Uint *flagsp, Eterm *tracerp); -void erts_get_default_tracing(Uint *flagsp, Eterm *tracerp); +ErtsTracer erts_set_system_seq_tracer(Process *c_p, + ErtsProcLocks c_p_locks, + ErtsTracer new); +ErtsTracer erts_get_system_seq_tracer(void); +void erts_change_default_proc_tracing(int setflags, Uint flagsp, + const ErtsTracer tracerp); +void erts_get_default_proc_tracing(Uint *flagsp, ErtsTracer *tracerp); +void erts_change_default_port_tracing(int setflags, Uint flagsp, + const ErtsTracer tracerp); +void erts_get_default_port_tracing(Uint *flagsp, ErtsTracer *tracerp); void erts_set_system_monitor(Eterm monitor); Eterm erts_get_system_monitor(void); +int erts_is_tracer_valid(Process* p); #ifdef ERTS_SMP void erts_check_my_tracer_proc(Process *); @@ -49,28 +96,32 @@ void erts_foreach_sys_msg_in_q(void (*func)(Eterm, Eterm, ErlHeapFragment *)); void erts_queue_error_logger_message(Eterm, Eterm, ErlHeapFragment *); +void erts_send_sys_msg_proc(Eterm, Eterm, Eterm, ErlHeapFragment *); #endif -void erts_send_sys_msg_proc(Eterm, Eterm, Eterm, ErlHeapFragment *); void trace_send(Process*, Eterm, Eterm); -void trace_receive(Process*, Eterm); -Uint32 erts_call_trace(Process *p, BeamInstr mfa[], struct binary *match_spec, Eterm* args, - int local, Eterm *tracer_pid); -void erts_trace_return(Process* p, BeamInstr* fi, Eterm retval, Eterm *tracer_pid); +void trace_receive(Process*, Eterm, Eterm, ErtsTracingEvent*); +Uint32 erts_call_trace(Process *p, BeamInstr mfa[], struct binary *match_spec, + Eterm* args, int local, ErtsTracer *tracer); +void erts_trace_return(Process* p, BeamInstr* fi, Eterm retval, + ErtsTracer *tracer); void erts_trace_exception(Process* p, BeamInstr mfa[], Eterm class, Eterm value, - Eterm *tracer); + ErtsTracer *tracer); void erts_trace_return_to(Process *p, BeamInstr *pc); -void trace_sched(Process*, Eterm); -void trace_proc(Process*, Process*, Eterm, Eterm); -void trace_proc_spawn(Process*, Eterm pid, Eterm mod, Eterm func, Eterm args); +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, Eterm msg); /* port tracing */ -void trace_virtual_sched(Process*, Eterm); +void trace_virtual_sched(Process*, ErtsProcLocks, Eterm); void trace_sched_ports(Port *pp, Eterm); void trace_sched_ports_where(Port *pp, Eterm, Eterm); void trace_port(Port *, Eterm what, Eterm data); void trace_port_open(Port *, Eterm calling_pid, Eterm drv_name); +void trace_port_receive(Port *, Eterm calling_pid, Eterm tag, ...); +void trace_port_send(Port *, Eterm to, Eterm msg, int exists); +void trace_port_send_binary(Port *, Eterm to, Eterm what, char *bin, Sint sz); /* system_profile */ void erts_set_system_profile(Eterm profile); @@ -89,7 +140,7 @@ void monitor_large_heap(Process *p); void monitor_generic(Process *p, Eterm type, Eterm spec); Uint erts_trace_flag2bit(Eterm flag); int erts_trace_flags(Eterm List, - Uint *pMask, Eterm *pTracer, int *pCpuTimestamp); + Uint *pMask, ErtsTracer *pTracer, int *pCpuTimestamp); Eterm erts_bif_trace(int bif_index, Process* p, Eterm* args, BeamInstr *I); #ifdef ERTS_SMP @@ -129,15 +180,50 @@ int erts_set_trace_pattern(Process*p, Eterm* mfa, int specified, struct binary* match_prog_set, struct binary *meta_match_prog_set, int on, struct trace_pattern_flags, - Eterm meta_tracer_pid, int is_blocking); + ErtsTracer meta_tracer, int is_blocking); void erts_get_default_trace_pattern(int *trace_pattern_is_on, struct binary **match_spec, struct binary **meta_match_spec, struct trace_pattern_flags *trace_pattern_flags, - Eterm *meta_tracer_pid); + ErtsTracer *meta_tracer); int erts_is_default_trace_enabled(void); void erts_bif_trace_init(void); int erts_finish_breakpointing(void); +/* Nif tracer functions */ +int erts_is_tracer_proc_enabled(Process *c_p, ErtsProcLocks c_p_locks, + ErtsPTabElementCommon *t_p); +int erts_is_tracer_proc_enabled_send(Process* c_p, ErtsProcLocks c_p_locks, + ErtsPTabElementCommon *t_p); +int erts_is_tracer_enabled(const ErtsTracer tracer, ErtsPTabElementCommon *t_p); +Eterm erts_tracer_to_term(Process *p, ErtsTracer tracer); +ErtsTracer erts_term_to_tracer(Eterm prefix, Eterm term); +void erts_tracer_replace(ErtsPTabElementCommon *t_p, + const ErtsTracer new_tracer); +void erts_tracer_update(ErtsTracer *tracer, const ErtsTracer new_tracer); +int erts_tracer_nif_clear(void); + +#define erts_tracer_update(t,n) do { if (*(t) != (n)) erts_tracer_update(t,n); } while(0) +#define ERTS_TRACER_CLEAR(t) erts_tracer_update(t, erts_tracer_nil) + +static const ErtsTracer +ERTS_DECLARE_DUMMY(erts_tracer_true) = am_true; + +static const ErtsTracer +ERTS_DECLARE_DUMMY(erts_tracer_nil) = NIL; + +#define ERTS_TRACER_COMPARE(t1, t2) \ + (EQ((t1), (t2))) + +#define ERTS_TRACER_IS_NIL(t1) ERTS_TRACER_COMPARE(t1, erts_tracer_nil) + +#define IS_TRACER_VALID(tracer) \ + (ERTS_TRACER_COMPARE(tracer,erts_tracer_true) \ + || ERTS_TRACER_IS_NIL(tracer) \ + || (is_list(tracer) && is_atom(CAR(list_val(tracer))))) + +#define ERTS_TRACER_FROM_ETERM(termp) \ + ((ErtsTracer*)(termp)) + #endif /* ERL_TRACE_H__ */ |