diff options
Diffstat (limited to 'erts/emulator/beam/erl_trace.c')
-rw-r--r-- | erts/emulator/beam/erl_trace.c | 734 |
1 files changed, 291 insertions, 443 deletions
diff --git a/erts/emulator/beam/erl_trace.c b/erts/emulator/beam/erl_trace.c index 00bb114c26..f6f177887c 100644 --- a/erts/emulator/beam/erl_trace.c +++ b/erts/emulator/beam/erl_trace.c @@ -1,7 +1,7 @@ /* * %CopyrightBegin% * - * Copyright Ericsson AB 1999-2017. All Rights Reserved. + * Copyright Ericsson AB 1999-2018. All Rights Reserved. * * Licensed under the Apache License, Version 2.0 (the "License"); * you may not use this file except in compliance with the License. @@ -72,13 +72,14 @@ static ErtsTracer default_port_tracer; static Eterm system_monitor; static Eterm system_profile; +static erts_atomic_t system_logger; #ifdef HAVE_ERTS_NOW_CPU int erts_cpu_timestamp; #endif -static erts_smp_mtx_t smq_mtx; -static erts_smp_rwmtx_t sys_trace_rwmtx; +static erts_mtx_t smq_mtx; +static erts_rwmtx_t sys_trace_rwmtx; enum ErtsSysMsgType { SYS_MSG_TYPE_UNDEFINED, @@ -237,7 +238,6 @@ write_timestamp(ErtsTraceTimeStamp *tsp, Eterm **hpp) } } -#ifdef ERTS_SMP static ERTS_INLINE Uint patch_ts_size(int ts_type) @@ -257,7 +257,6 @@ patch_ts_size(int ts_type) return 0; } } -#endif /* ERTS_SMP */ /* * Write a timestamp. The timestamp MUST be the last @@ -298,18 +297,11 @@ write_ts(int ts_type, Eterm *hp, ErlHeapFragment *bp, Process *tracer) if (shrink) { if (bp) bp->used_size -= shrink; -#ifndef ERTS_SMP - else if (tracer) { - Eterm *endp = ts_hp + shrink; - HRelease(tracer, endp, ts_hp); - } -#endif } return res; } -#ifdef ERTS_SMP static void enqueue_sys_msg_unlocked(enum ErtsSysMsgType type, Eterm from, Eterm to, @@ -321,7 +313,6 @@ static void enqueue_sys_msg(enum ErtsSysMsgType type, Eterm msg, ErlHeapFragment *bp); static void init_sys_msg_dispatcher(void); -#endif static void init_tracer_nif(void); static int tracer_cmp_fun(void*, void*); @@ -332,11 +323,12 @@ static void tracer_free_fun(void*); typedef struct ErtsTracerNif_ ErtsTracerNif; void erts_init_trace(void) { - erts_smp_rwmtx_opt_t rwmtx_opts = ERTS_SMP_RWMTX_OPT_DEFAULT_INITER; - rwmtx_opts.type = ERTS_SMP_RWMTX_TYPE_EXTREMELY_FREQUENT_READ; - rwmtx_opts.lived = ERTS_SMP_RWMTX_LONG_LIVED; + erts_rwmtx_opt_t rwmtx_opts = ERTS_RWMTX_OPT_DEFAULT_INITER; + rwmtx_opts.type = ERTS_RWMTX_TYPE_EXTREMELY_FREQUENT_READ; + rwmtx_opts.lived = ERTS_RWMTX_LONG_LIVED; - erts_smp_rwmtx_init_opt(&sys_trace_rwmtx, &rwmtx_opts, "sys_tracers"); + erts_rwmtx_init_opt(&sys_trace_rwmtx, &rwmtx_opts, "sys_tracers", NIL, + ERTS_LOCK_FLAGS_PROPERTY_STATIC | ERTS_LOCK_FLAGS_CATEGORY_DEBUG); #ifdef HAVE_ERTS_NOW_CPU erts_cpu_timestamp = 0; @@ -349,9 +341,8 @@ void erts_init_trace(void) { default_port_trace_flags = F_INITIAL_TRACE_FLAGS; default_port_tracer = erts_tracer_nil; system_seq_tracer = erts_tracer_nil; -#ifdef ERTS_SMP + erts_atomic_init_nob(&system_logger, am_logger); init_sys_msg_dispatcher(); -#endif init_tracer_nif(); } @@ -411,43 +402,35 @@ static Uint active_sched; void erts_system_profile_setup_active_schedulers(void) { - ERTS_SMP_LC_ASSERT(erts_thr_progress_is_blocking()); + ERTS_LC_ASSERT(erts_thr_progress_is_blocking()); active_sched = erts_active_schedulers(); } static void exiting_reset(Eterm exiting) { - erts_smp_rwmtx_rwlock(&sys_trace_rwmtx); + erts_rwmtx_rwlock(&sys_trace_rwmtx); if (exiting == system_monitor) { -#ifdef ERTS_SMP system_monitor = NIL; /* Let the trace message dispatcher clear flags, etc */ -#else - erts_system_monitor_clear(NULL); -#endif } if (exiting == system_profile) { -#ifdef ERTS_SMP system_profile = NIL; /* Let the trace message dispatcher clear flags, etc */ -#else - erts_system_profile_clear(NULL); -#endif } - erts_smp_rwmtx_rwunlock(&sys_trace_rwmtx); + erts_rwmtx_rwunlock(&sys_trace_rwmtx); } void erts_trace_check_exiting(Eterm exiting) { int reset = 0; - erts_smp_rwmtx_rlock(&sys_trace_rwmtx); + erts_rwmtx_rlock(&sys_trace_rwmtx); if (exiting == system_monitor) reset = 1; else if (exiting == system_profile) reset = 1; - erts_smp_rwmtx_runlock(&sys_trace_rwmtx); + erts_rwmtx_runlock(&sys_trace_rwmtx); if (reset) exiting_reset(exiting); } @@ -467,7 +450,7 @@ erts_set_system_seq_tracer(Process *c_p, ErtsProcLocks c_p_locks, ErtsTracer new } } - erts_smp_rwmtx_rwlock(&sys_trace_rwmtx); + erts_rwmtx_rwlock(&sys_trace_rwmtx); old = system_seq_tracer; system_seq_tracer = erts_tracer_nil; erts_tracer_update(&system_seq_tracer, new); @@ -475,7 +458,7 @@ erts_set_system_seq_tracer(Process *c_p, ErtsProcLocks c_p_locks, ErtsTracer new #ifdef DEBUG_PRINTOUTS erts_fprintf(stderr, "set seq tracer new=%T old=%T\n", new, old); #endif - erts_smp_rwmtx_rwunlock(&sys_trace_rwmtx); + erts_rwmtx_rwunlock(&sys_trace_rwmtx); return old; } @@ -483,12 +466,12 @@ ErtsTracer erts_get_system_seq_tracer(void) { ErtsTracer st; - erts_smp_rwmtx_rlock(&sys_trace_rwmtx); + erts_rwmtx_rlock(&sys_trace_rwmtx); st = system_seq_tracer; #ifdef DEBUG_PRINTOUTS erts_fprintf(stderr, "get seq tracer %T\n", st); #endif - erts_smp_rwmtx_runlock(&sys_trace_rwmtx); + erts_rwmtx_runlock(&sys_trace_rwmtx); if (st != erts_tracer_nil && call_enabled_tracer(st, NULL, TRACE_FUN_ENABLED, @@ -521,8 +504,8 @@ get_default_tracing(Uint *flagsp, ErtsTracer *tracerp, ErtsTracer curr_default_tracer = *default_tracer; if (tracerp) { /* we only have a rlock, so we have to unlock and then rwlock */ - erts_smp_rwmtx_runlock(&sys_trace_rwmtx); - erts_smp_rwmtx_rwlock(&sys_trace_rwmtx); + erts_rwmtx_runlock(&sys_trace_rwmtx); + erts_rwmtx_rwlock(&sys_trace_rwmtx); } /* check if someone else changed default tracer while we got the write lock, if so we don't do @@ -532,8 +515,8 @@ get_default_tracing(Uint *flagsp, ErtsTracer *tracerp, ERTS_TRACER_CLEAR(default_tracer); } if (tracerp) { - erts_smp_rwmtx_rwunlock(&sys_trace_rwmtx); - erts_smp_rwmtx_rlock(&sys_trace_rwmtx); + erts_rwmtx_rwunlock(&sys_trace_rwmtx); + erts_rwmtx_rlock(&sys_trace_rwmtx); } } } @@ -566,98 +549,84 @@ void erts_change_default_proc_tracing(int setflags, Uint flagsp, const ErtsTracer tracer) { - erts_smp_rwmtx_rwlock(&sys_trace_rwmtx); + erts_rwmtx_rwlock(&sys_trace_rwmtx); erts_change_default_tracing( setflags, flagsp, tracer, &default_proc_trace_flags, &default_proc_tracer); - erts_smp_rwmtx_rwunlock(&sys_trace_rwmtx); + erts_rwmtx_rwunlock(&sys_trace_rwmtx); } void erts_change_default_port_tracing(int setflags, Uint flagsp, const ErtsTracer tracer) { - erts_smp_rwmtx_rwlock(&sys_trace_rwmtx); + erts_rwmtx_rwlock(&sys_trace_rwmtx); erts_change_default_tracing( setflags, flagsp, tracer, &default_port_trace_flags, &default_port_tracer); - erts_smp_rwmtx_rwunlock(&sys_trace_rwmtx); + erts_rwmtx_rwunlock(&sys_trace_rwmtx); } void erts_get_default_proc_tracing(Uint *flagsp, ErtsTracer *tracerp) { - erts_smp_rwmtx_rlock(&sys_trace_rwmtx); + erts_rwmtx_rlock(&sys_trace_rwmtx); *tracerp = erts_tracer_nil; /* initialize */ get_default_tracing( flagsp, tracerp, &default_proc_trace_flags, &default_proc_tracer); - erts_smp_rwmtx_runlock(&sys_trace_rwmtx); + erts_rwmtx_runlock(&sys_trace_rwmtx); } void erts_get_default_port_tracing(Uint *flagsp, ErtsTracer *tracerp) { - erts_smp_rwmtx_rlock(&sys_trace_rwmtx); + erts_rwmtx_rlock(&sys_trace_rwmtx); *tracerp = erts_tracer_nil; /* initialize */ get_default_tracing( flagsp, tracerp, &default_port_trace_flags, &default_port_tracer); - erts_smp_rwmtx_runlock(&sys_trace_rwmtx); + erts_rwmtx_runlock(&sys_trace_rwmtx); } void erts_set_system_monitor(Eterm monitor) { - erts_smp_rwmtx_rwlock(&sys_trace_rwmtx); + erts_rwmtx_rwlock(&sys_trace_rwmtx); system_monitor = monitor; - erts_smp_rwmtx_rwunlock(&sys_trace_rwmtx); + erts_rwmtx_rwunlock(&sys_trace_rwmtx); } Eterm erts_get_system_monitor(void) { Eterm monitor; - erts_smp_rwmtx_rlock(&sys_trace_rwmtx); + erts_rwmtx_rlock(&sys_trace_rwmtx); monitor = system_monitor; - erts_smp_rwmtx_runlock(&sys_trace_rwmtx); + erts_rwmtx_runlock(&sys_trace_rwmtx); return monitor; } /* Performance monitoring */ void erts_set_system_profile(Eterm profile) { - erts_smp_rwmtx_rwlock(&sys_trace_rwmtx); + erts_rwmtx_rwlock(&sys_trace_rwmtx); system_profile = profile; - erts_smp_rwmtx_rwunlock(&sys_trace_rwmtx); + erts_rwmtx_rwunlock(&sys_trace_rwmtx); } Eterm erts_get_system_profile(void) { Eterm profile; - erts_smp_rwmtx_rlock(&sys_trace_rwmtx); + erts_rwmtx_rlock(&sys_trace_rwmtx); profile = system_profile; - erts_smp_rwmtx_runlock(&sys_trace_rwmtx); + erts_rwmtx_runlock(&sys_trace_rwmtx); return profile; } - -#ifdef HAVE_ERTS_NOW_CPU -# define GET_NOW(m, s, u) \ -do { \ - if (erts_cpu_timestamp) \ - erts_get_now_cpu(m, s, u); \ - else \ - get_now(m, s, u); \ -} while (0) -#else -# define GET_NOW(m, s, u) do {get_now(m, s, u);} while (0) -#endif - - static void write_sys_msg_to_port(Eterm unused_to, Port* trace_port, @@ -666,9 +635,11 @@ write_sys_msg_to_port(Eterm unused_to, Eterm message) { byte *buffer; byte *ptr; - unsigned size; + Uint size; + + if (erts_encode_ext_size(message, &size) != ERTS_EXT_SZ_OK) + erts_exit(ERTS_ERROR_EXIT, "Internal error: System limit\n"); - size = erts_encode_ext_size(message); buffer = (byte *) erts_alloc(ERTS_ALC_T_TMP, size); ptr = buffer; @@ -678,71 +649,11 @@ write_sys_msg_to_port(Eterm unused_to, erts_exit(ERTS_ERROR_EXIT, "Internal error in do_send_to_port: %d\n", ptr-buffer); } -#ifndef ERTS_SMP - if (!INVALID_TRACER_PORT(trace_port, trace_port->common.id)) -#endif erts_raw_port_command(trace_port, buffer, ptr-buffer); erts_free(ERTS_ALC_T_TMP, (void *) buffer); } -#ifndef ERTS_SMP -/* Profile send - * Checks if profiler is port or process - * Eterm msg is local, need copying. - */ - -static void -profile_send(Eterm from, Eterm message) { - Uint sz = 0; - Uint *hp = NULL; - Eterm msg = NIL; - Process *profile_p = NULL; - - Eterm profiler = erts_get_system_profile(); - - /* do not profile profiler pid */ - if (from == profiler) return; - - if (is_internal_port(profiler)) { - Port *profiler_port = NULL; - - /* not smp */ - - profiler_port = erts_id2port_sflgs(profiler, - NULL, - 0, - ERTS_PORT_SFLGS_INVALID_TRACER_LOOKUP); - if (profiler_port) { - write_sys_msg_to_port(profiler, - profiler_port, - NIL, /* or current process->common.id */ - SYS_MSG_TYPE_SYSPROF, - message); - erts_port_release(profiler_port); - } - - } else { - ErtsMessage *mp; - ASSERT(is_internal_pid(profiler)); - - profile_p = erts_proc_lookup(profiler); - - if (!profile_p) - return; - - sz = size_object(message); - mp = erts_alloc_message(sz, &hp); - if (sz == 0) - msg = message; - else - msg = copy_struct(message, sz, &hp, &mp->hfrag.off_heap); - - erts_queue_message(profile_p, 0, mp, msg, from); - } -} - -#endif static void trace_sched_aux(Process *p, ErtsProcLocks locks, Eterm what) @@ -781,7 +692,8 @@ trace_sched_aux(Process *p, ErtsProcLocks locks, Eterm what) tmp = make_small(0); } else { hp = HAlloc(p, 4); - tmp = TUPLE3(hp,p->current[0],p->current[1],make_small(p->current[2])); + tmp = TUPLE3(hp,p->current->module,p->current->function, + make_small(p->current->arity)); hp += 4; } @@ -801,7 +713,9 @@ trace_sched(Process *p, ErtsProcLocks locks, Eterm what) trace_sched_aux(p, locks, what); } -/* Send {trace_ts, Pid, Send, Msg, DestPid, Timestamp} +/* Send {trace_ts, Pid, Send, Msg, DestPid, PamResult, Timestamp} + * or {trace_ts, Pid, Send, Msg, DestPid, Timestamp} + * or {trace, Pid, Send, Msg, DestPid, PamResult} * or {trace, Pid, Send, Msg, DestPid} * * where 'Send' is 'send' or 'send_to_non_existing_process'. @@ -813,9 +727,7 @@ trace_send(Process *p, Eterm to, Eterm msg) ErtsTracerNif *tnif = NULL; ErtsTracingEvent* te; Eterm pam_result; -#ifdef ERTS_SMP ErtsThrPrgrDelayHandle dhndl; -#endif ASSERT(ARE_TRACE_FLAGS_ON(p, F_TRACE_SEND)); @@ -840,9 +752,7 @@ trace_send(Process *p, Eterm to, Eterm msg) } else pam_result = am_true; -#ifdef ERTS_SMP dhndl = erts_thr_progress_unmanaged_delay(); -#endif if (is_internal_pid(to)) { if (!erts_proc_lookup(to)) @@ -860,14 +770,14 @@ trace_send(Process *p, Eterm to, Eterm msg) operation, msg, to, pam_result); } -#ifdef ERTS_SMP erts_thr_progress_unmanaged_continue(dhndl); -#endif erts_match_set_release_result_trace(p, pam_result); } -/* Send {trace_ts, Pid, receive, Msg, Timestamp} +/* Send {trace_ts, Pid, receive, Msg, PamResult, Timestamp} + * or {trace_ts, Pid, receive, Msg, Timestamp} + * or {trace, Pid, receive, Msg, PamResult} * or {trace, Pid, receive, Msg} */ void @@ -1027,14 +937,14 @@ erts_trace_return_to(Process *p, BeamInstr *pc) { Eterm mfa; - BeamInstr *code_ptr = find_function_from_pc(pc); + ErtsCodeMFA *cmfa = find_function_from_pc(pc); - - if (!code_ptr) { + if (!cmfa) { mfa = am_undefined; } else { Eterm *hp = HAlloc(p, 4); - mfa = TUPLE3(hp, code_ptr[0], code_ptr[1], make_small(code_ptr[2])); + mfa = TUPLE3(hp, cmfa->module, cmfa->function, + make_small(cmfa->arity)); } send_to_tracer_nif(p, &p->common, p->common.id, NULL, TRACE_FUN_T_CALL, @@ -1046,11 +956,11 @@ erts_trace_return_to(Process *p, BeamInstr *pc) * or {trace, Pid, return_from, {Mod, Name, Arity}, Retval} */ void -erts_trace_return(Process* p, BeamInstr* fi, Eterm retval, ErtsTracer *tracer) +erts_trace_return(Process* p, ErtsCodeMFA *mfa, + Eterm retval, ErtsTracer *tracer) { Eterm* hp; - Eterm mfa, mod, name; - int arity; + Eterm mfa_tuple; Uint meta_flags, *tracee_flags; ASSERT(tracer); @@ -1084,15 +994,13 @@ erts_trace_return(Process* p, BeamInstr* fi, Eterm retval, ErtsTracer *tracer) tracee_flags = &meta_flags; } - mod = fi[0]; - name = fi[1]; - arity = fi[2]; - hp = HAlloc(p, 4); - mfa = TUPLE3(hp, mod, name, make_small(arity)); + mfa_tuple = TUPLE3(hp, mfa->module, mfa->function, + make_small(mfa->arity)); hp += 4; send_to_tracer_nif_raw(p, NULL, *tracer, *tracee_flags, p->common.id, - NULL, TRACE_FUN_T_CALL, am_return_from, mfa, retval, am_true); + NULL, TRACE_FUN_T_CALL, am_return_from, mfa_tuple, + retval, am_true); } /* Send {trace_ts, Pid, exception_from, {Mod, Name, Arity}, {Class,Value}, @@ -1103,7 +1011,7 @@ erts_trace_return(Process* p, BeamInstr* fi, Eterm retval, ErtsTracer *tracer) * Where Class is atomic but Value is any term. */ void -erts_trace_exception(Process* p, BeamInstr mfa[3], Eterm class, Eterm value, +erts_trace_exception(Process* p, ErtsCodeMFA *mfa, Eterm class, Eterm value, ErtsTracer *tracer) { Eterm* hp; @@ -1142,7 +1050,7 @@ erts_trace_exception(Process* p, BeamInstr mfa[3], Eterm class, Eterm value, } hp = HAlloc(p, 7);; - mfa_tuple = TUPLE3(hp, (Eterm) mfa[0], (Eterm) mfa[1], make_small((Eterm)mfa[2])); + mfa_tuple = TUPLE3(hp, mfa->module, mfa->function, make_small(mfa->arity)); hp += 4; cv = TUPLE2(hp, class, value); hp += 3; @@ -1165,7 +1073,7 @@ erts_trace_exception(Process* p, BeamInstr mfa[3], Eterm class, Eterm value, * if it is a pid or port we do a meta trace. */ Uint32 -erts_call_trace(Process* p, BeamInstr mfa[3], Binary *match_spec, +erts_call_trace(Process* p, ErtsCodeInfo *info, Binary *match_spec, Eterm* args, int local, ErtsTracer *tracer) { Eterm* hp; @@ -1179,7 +1087,7 @@ erts_call_trace(Process* p, BeamInstr mfa[3], Binary *match_spec, Eterm transformed_args[MAX_ARG]; ErtsTracer pre_ms_tracer = erts_tracer_nil; - ERTS_SMP_LC_ASSERT(erts_proc_lc_my_proc_locks(p) & ERTS_PROC_LOCK_MAIN); + ERTS_LC_ASSERT(erts_proc_lc_my_proc_locks(p) & ERTS_PROC_LOCK_MAIN); ASSERT(tracer); if (ERTS_TRACER_COMPARE(*tracer, erts_tracer_true)) { @@ -1244,7 +1152,7 @@ erts_call_trace(Process* p, BeamInstr mfa[3], Binary *match_spec, * such as size_object() and copy_struct(), we must make sure that we * temporarily convert any match contexts to sub binaries. */ - arity = (Eterm) mfa[2]; + arity = info->mfa.arity; for (i = 0; i < arity; i++) { Eterm arg = args[i]; if (is_boxed(arg) && header_is_bin_matchstate(*boxed_val(arg))) { @@ -1339,7 +1247,7 @@ erts_call_trace(Process* p, BeamInstr mfa[3], Binary *match_spec, hp += 2; } } - mfa_tuple = TUPLE3(hp, (Eterm) mfa[0], (Eterm) mfa[1], mfa_tuple); + mfa_tuple = TUPLE3(hp, info->mfa.module, info->mfa.function, mfa_tuple); hp += 4; /* @@ -1462,25 +1370,16 @@ trace_gc(Process *p, Eterm what, Uint size, Eterm msg) } void -monitor_long_schedule_proc(Process *p, BeamInstr *in_fp, BeamInstr *out_fp, Uint time) +monitor_long_schedule_proc(Process *p, ErtsCodeMFA *in_fp, + ErtsCodeMFA *out_fp, Uint time) { ErlHeapFragment *bp; ErlOffHeap *off_heap; -#ifndef ERTS_SMP - Process *monitor_p; -#endif Uint hsz; Eterm *hp, list, in_mfa = am_undefined, out_mfa = am_undefined; Eterm in_tpl, out_tpl, tmo_tpl, tmo, msg; -#ifndef ERTS_SMP - ASSERT(is_internal_pid(system_monitor)); - monitor_p = erts_proc_lookup(system_monitor); - if (!monitor_p || p == monitor_p) { - return; - } -#endif /* * Size: {monitor, pid, long_schedule, [{timeout, T}, {in, {M,F,A}},{out,{M,F,A}}]} -> * 5 (top tuple of 4), (3 (elements) * 2 (cons)) + 3 (timeout tuple of 2) + size of Timeout + @@ -1493,11 +1392,13 @@ monitor_long_schedule_proc(Process *p, BeamInstr *in_fp, BeamInstr *out_fp, Uint hp = ERTS_ALLOC_SYSMSG_HEAP(hsz, &bp, &off_heap, monitor_p); tmo = erts_bld_uint(&hp, NULL, time); if (in_fp != NULL) { - in_mfa = TUPLE3(hp,(Eterm) in_fp[0], (Eterm) in_fp[1], make_small(in_fp[2])); + in_mfa = TUPLE3(hp, in_fp->module, in_fp->function, + make_small(in_fp->arity)); hp +=4; } if (out_fp != NULL) { - out_mfa = TUPLE3(hp,(Eterm) out_fp[0], (Eterm) out_fp[1], make_small(out_fp[2])); + out_mfa = TUPLE3(hp, out_fp->module, out_fp->function, + make_small(out_fp->arity)); hp +=4; } tmo_tpl = TUPLE2(hp,am_timeout, tmo); @@ -1514,36 +1415,18 @@ monitor_long_schedule_proc(Process *p, BeamInstr *in_fp, BeamInstr *out_fp, Uint hp += 2; msg = TUPLE4(hp, am_monitor, p->common.id, am_long_schedule, list); hp += 5; -#ifdef ERTS_SMP enqueue_sys_msg(SYS_MSG_TYPE_SYSMON, p->common.id, NIL, msg, bp); -#else - { - ErtsMessage *mp = erts_alloc_message(0, NULL); - mp->data.heap_frag = bp; - erts_queue_message(monitor_p, 0, mp, msg, am_system); - } -#endif } void monitor_long_schedule_port(Port *pp, ErtsPortTaskType type, Uint time) { ErlHeapFragment *bp; ErlOffHeap *off_heap; -#ifndef ERTS_SMP - Process *monitor_p; -#endif Uint hsz; Eterm *hp, list, op; Eterm op_tpl, tmo_tpl, tmo, msg; -#ifndef ERTS_SMP - ASSERT(is_internal_pid(system_monitor)); - monitor_p = erts_proc_lookup(system_monitor); - if (!monitor_p) { - return; - } -#endif /* * Size: {monitor, port, long_schedule, [{timeout, T}, {op, Operation}]} -> * 5 (top tuple of 4), (2 (elements) * 2 (cons)) + 3 (timeout tuple of 2) @@ -1560,7 +1443,6 @@ monitor_long_schedule_port(Port *pp, ErtsPortTaskType type, Uint time) case ERTS_PORT_TASK_TIMEOUT: op = am_timeout; break; case ERTS_PORT_TASK_INPUT: op = am_input; break; case ERTS_PORT_TASK_OUTPUT: op = am_output; break; - case ERTS_PORT_TASK_EVENT: op = am_event; break; case ERTS_PORT_TASK_DIST_CMD: op = am_dist_cmd; break; default: op = am_undefined; break; } @@ -1579,24 +1461,13 @@ monitor_long_schedule_port(Port *pp, ErtsPortTaskType type, Uint time) hp += 2; msg = TUPLE4(hp, am_monitor, pp->common.id, am_long_schedule, list); hp += 5; -#ifdef ERTS_SMP enqueue_sys_msg(SYS_MSG_TYPE_SYSMON, pp->common.id, NIL, msg, bp); -#else - { - ErtsMessage *mp = erts_alloc_message(0, NULL); - mp->data.heap_frag = bp; - erts_queue_message(monitor_p, 0, mp, msg, am_system); - } -#endif } void monitor_long_gc(Process *p, Uint time) { ErlHeapFragment *bp; ErlOffHeap *off_heap; -#ifndef ERTS_SMP - Process *monitor_p; -#endif Uint hsz; Eterm *hp, list, msg; Eterm tags[] = { @@ -1621,12 +1492,6 @@ monitor_long_gc(Process *p, Uint time) { Eterm *hp_end; #endif -#ifndef ERTS_SMP - ASSERT(is_internal_pid(system_monitor)); - monitor_p = erts_proc_lookup(system_monitor); - if (!monitor_p || p == monitor_p) - return; -#endif hsz = 0; (void) erts_bld_atom_uword_2tup_list(NULL, @@ -1654,24 +1519,13 @@ monitor_long_gc(Process *p, Uint time) { ASSERT(hp == hp_end); #endif -#ifdef ERTS_SMP enqueue_sys_msg(SYS_MSG_TYPE_SYSMON, p->common.id, NIL, msg, bp); -#else - { - ErtsMessage *mp = erts_alloc_message(0, NULL); - mp->data.heap_frag = bp; - erts_queue_message(monitor_p, 0, mp, msg, am_system); - } -#endif } void monitor_large_heap(Process *p) { ErlHeapFragment *bp; ErlOffHeap *off_heap; -#ifndef ERTS_SMP - Process *monitor_p; -#endif Uint hsz; Eterm *hp, list, msg; Eterm tags[] = { @@ -1695,13 +1549,6 @@ monitor_large_heap(Process *p) { #endif -#ifndef ERTS_SMP - ASSERT(is_internal_pid(system_monitor)); - monitor_p = erts_proc_lookup(system_monitor); - if (!monitor_p || p == monitor_p) { - return; - } -#endif hsz = 0; (void) erts_bld_atom_uword_2tup_list(NULL, @@ -1729,47 +1576,22 @@ monitor_large_heap(Process *p) { ASSERT(hp == hp_end); #endif -#ifdef ERTS_SMP enqueue_sys_msg(SYS_MSG_TYPE_SYSMON, p->common.id, NIL, msg, bp); -#else - { - ErtsMessage *mp = erts_alloc_message(0, NULL); - mp->data.heap_frag = bp; - erts_queue_message(monitor_p, 0, mp, msg, am_system); - } -#endif } void monitor_generic(Process *p, Eterm type, Eterm spec) { ErlHeapFragment *bp; ErlOffHeap *off_heap; -#ifndef ERTS_SMP - Process *monitor_p; -#endif Eterm *hp, msg; -#ifndef ERTS_SMP - ASSERT(is_internal_pid(system_monitor)); - monitor_p = erts_proc_lookup(system_monitor); - if (!monitor_p || p == monitor_p) - return; -#endif hp = ERTS_ALLOC_SYSMSG_HEAP(5, &bp, &off_heap, monitor_p); msg = TUPLE4(hp, am_monitor, p->common.id, type, spec); hp += 5; -#ifdef ERTS_SMP enqueue_sys_msg(SYS_MSG_TYPE_SYSMON, p->common.id, NIL, msg, bp); -#else - { - ErtsMessage *mp = erts_alloc_message(0, NULL); - mp->data.heap_frag = bp; - erts_queue_message(monitor_p, 0, mp, msg, am_system); - } -#endif } @@ -1782,21 +1604,14 @@ profile_scheduler(Eterm scheduler_id, Eterm state) { Eterm *hp, msg; ErlHeapFragment *bp = NULL; -#ifndef ERTS_SMP -#define LOCAL_HEAP_SIZE (7 + ERTS_TRACE_PATCH_TS_MAX_SIZE) - DeclareTmpHeapNoproc(local_heap,LOCAL_HEAP_SIZE); - UseTmpHeapNoproc(LOCAL_HEAP_SIZE); - hp = local_heap; -#else Uint hsz; hsz = 7 + patch_ts_size(erts_system_profile_ts_type)-1; bp = new_message_buffer(hsz); hp = bp->mem; -#endif - erts_smp_mtx_lock(&smq_mtx); + erts_mtx_lock(&smq_mtx); switch (state) { case am_active: @@ -1818,14 +1633,8 @@ profile_scheduler(Eterm scheduler_id, Eterm state) { /* Write timestamp in element 6 of the 'msg' tuple */ hp[-1] = write_ts(erts_system_profile_ts_type, hp, bp, NULL); -#ifndef ERTS_SMP - profile_send(NIL, msg); - UnUseTmpHeapNoproc(LOCAL_HEAP_SIZE); -#undef LOCAL_HEAP_SIZE -#else enqueue_sys_msg_unlocked(SYS_MSG_TYPE_SYSPROF, NIL, NIL, msg, bp); -#endif - erts_smp_mtx_unlock(&smq_mtx); + erts_mtx_unlock(&smq_mtx); } @@ -1834,7 +1643,7 @@ profile_scheduler(Eterm scheduler_id, Eterm state) { void trace_port_open(Port *p, Eterm calling_pid, Eterm drv_name) { ErtsTracerNif *tnif = NULL; - ERTS_SMP_CHK_NO_PROC_LOCKS; + ERTS_CHK_NO_PROC_LOCKS; 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, am_true); @@ -1851,9 +1660,9 @@ void trace_port(Port *t_p, Eterm what, Eterm data) { ErtsTracerNif *tnif = NULL; - ERTS_SMP_LC_ASSERT(erts_lc_is_port_locked(t_p) + ERTS_LC_ASSERT(erts_lc_is_port_locked(t_p) || erts_thr_progress_is_blocking()); - ERTS_SMP_CHK_NO_PROC_LOCKS; + ERTS_CHK_NO_PROC_LOCKS; 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, am_true); @@ -1873,7 +1682,6 @@ trace_port_tmp_binary(char *bin, Sint sz, Binary **bptrp, Eterm **hp) } else { ProcBin* pb = (ProcBin *)*hp; Binary *bptr = erts_bin_nrml_alloc(sz); - erts_refc_init(&bptr->refc, 1); sys_memcpy(bptr->orig_bytes, bin, sz); pb->thing_word = HEADER_PROC_BIN; pb->size = sz; @@ -1897,9 +1705,9 @@ void trace_port_receive(Port *t_p, Eterm caller, Eterm what, ...) { ErtsTracerNif *tnif = NULL; - ERTS_SMP_LC_ASSERT(erts_lc_is_port_locked(t_p) + ERTS_LC_ASSERT(erts_lc_is_port_locked(t_p) || erts_thr_progress_is_blocking()); - ERTS_SMP_CHK_NO_PROC_LOCKS; + ERTS_CHK_NO_PROC_LOCKS; 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 */ @@ -1998,8 +1806,8 @@ trace_port_receive(Port *t_p, Eterm caller, Eterm what, ...) TRACE_FUN_T_RECEIVE, am_receive, data, THE_NON_VALUE, am_true); - if (bptr && erts_refc_dectest(&bptr->refc, 1) == 0) - erts_bin_free(bptr); + if (bptr) + erts_bin_release(bptr); if (orig_hp) erts_free(ERTS_ALC_T_TMP, orig_hp); @@ -2014,9 +1822,9 @@ trace_port_send(Port *t_p, Eterm receiver, Eterm msg, int exists) { ErtsTracerNif *tnif = NULL; Eterm op = exists ? am_send : am_send_to_non_existing_process; - ERTS_SMP_LC_ASSERT(erts_lc_is_port_locked(t_p) + ERTS_LC_ASSERT(erts_lc_is_port_locked(t_p) || erts_thr_progress_is_blocking()); - ERTS_SMP_CHK_NO_PROC_LOCKS; + ERTS_CHK_NO_PROC_LOCKS; 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, am_true); @@ -2025,9 +1833,9 @@ trace_port_send(Port *t_p, Eterm receiver, Eterm msg, int exists) void trace_port_send_binary(Port *t_p, Eterm to, Eterm what, char *bin, Sint sz) { ErtsTracerNif *tnif = NULL; - ERTS_SMP_LC_ASSERT(erts_lc_is_port_locked(t_p) + ERTS_LC_ASSERT(erts_lc_is_port_locked(t_p) || erts_thr_progress_is_blocking()); - ERTS_SMP_CHK_NO_PROC_LOCKS; + ERTS_CHK_NO_PROC_LOCKS; if (is_tracer_enabled(NULL, 0, &t_p->common, &tnif, TRACE_FUN_E_SEND, am_send)) { Eterm msg; Binary* bptr = NULL; @@ -2049,8 +1857,8 @@ void trace_port_send_binary(Port *t_p, Eterm to, Eterm what, char *bin, Sint sz) send_to_tracer_nif(NULL, &t_p->common, t_p->common.id, tnif, TRACE_FUN_T_SEND, am_send, msg, to, am_true); - if (bptr && erts_refc_dectest(&bptr->refc, 1) == 0) - erts_bin_free(bptr); + if (bptr) + erts_bin_release(bptr); UnUseTmpHeapNoproc(LOCAL_HEAP_SIZE); #undef LOCAL_HEAP_SIZE @@ -2073,9 +1881,9 @@ trace_sched_ports(Port *p, Eterm what) { void trace_sched_ports_where(Port *t_p, Eterm what, Eterm where) { ErtsTracerNif *tnif = NULL; - ERTS_SMP_LC_ASSERT(erts_lc_is_port_locked(t_p) + ERTS_LC_ASSERT(erts_lc_is_port_locked(t_p) || erts_thr_progress_is_blocking()); - ERTS_SMP_CHK_NO_PROC_LOCKS; + ERTS_CHK_NO_PROC_LOCKS; 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, TRACE_FUN_T_SCHED_PORT, @@ -2090,24 +1898,14 @@ profile_runnable_port(Port *p, Eterm status) { ErlHeapFragment *bp = NULL; Eterm count = make_small(0); -#ifndef ERTS_SMP -#define LOCAL_HEAP_SIZE (6 + ERTS_TRACE_PATCH_TS_MAX_SIZE) - - DeclareTmpHeapNoproc(local_heap,LOCAL_HEAP_SIZE); - UseTmpHeapNoproc(LOCAL_HEAP_SIZE); - - hp = local_heap; - -#else Uint hsz; hsz = 6 + patch_ts_size(erts_system_profile_ts_type)-1; bp = new_message_buffer(hsz); hp = bp->mem; -#endif - erts_smp_mtx_lock(&smq_mtx); + erts_mtx_lock(&smq_mtx); msg = TUPLE5(hp, am_profile, p->common.id, status, count, NIL /* Will be overwritten by timestamp */); @@ -2116,14 +1914,8 @@ profile_runnable_port(Port *p, Eterm status) { /* Write timestamp in element 5 of the 'msg' tuple */ hp[-1] = write_ts(erts_system_profile_ts_type, hp, bp, NULL); -#ifndef ERTS_SMP - profile_send(p->common.id, msg); - UnUseTmpHeapNoproc(LOCAL_HEAP_SIZE); -#undef LOCAL_HEAP_SIZE -#else enqueue_sys_msg_unlocked(SYS_MSG_TYPE_SYSPROF, p->common.id, NIL, msg, bp); -#endif - erts_smp_mtx_unlock(&smq_mtx); + erts_mtx_unlock(&smq_mtx); } /* Process profiling */ @@ -2132,54 +1924,42 @@ profile_runnable_proc(Process *p, Eterm status){ Eterm *hp, msg; Eterm where = am_undefined; ErlHeapFragment *bp = NULL; - BeamInstr *current = NULL; - -#ifndef ERTS_SMP -#define LOCAL_HEAP_SIZE (4 + 6 + ERTS_TRACE_PATCH_TS_MAX_SIZE) - DeclareTmpHeapNoproc(local_heap,LOCAL_HEAP_SIZE); - UseTmpHeapNoproc(LOCAL_HEAP_SIZE); + ErtsCodeMFA *cmfa = NULL; - hp = local_heap; -#else ErtsThrPrgrDelayHandle dhndl; Uint hsz = 4 + 6 + patch_ts_size(erts_system_profile_ts_type)-1; -#endif /* Assumptions: * We possibly don't have the MAIN_LOCK for the process p here. * We assume that we can read from p->current and p->i atomically */ -#ifdef ERTS_SMP dhndl = erts_thr_progress_unmanaged_delay(); /* suspend purge operations */ -#endif if (!ERTS_PROC_IS_EXITING(p)) { if (p->current) { - current = p->current; + cmfa = p->current; } else { - current = find_function_from_pc(p->i); + cmfa = find_function_from_pc(p->i); } } -#ifdef ERTS_SMP - if (!current) { + if (!cmfa) { hsz -= 4; } bp = new_message_buffer(hsz); hp = bp->mem; -#endif - if (current) { - where = TUPLE3(hp, current[0], current[1], make_small(current[2])); hp += 4; + if (cmfa) { + where = TUPLE3(hp, cmfa->module, cmfa->function, + make_small(cmfa->arity)); + hp += 4; } else { where = make_small(0); } -#ifdef ERTS_SMP erts_thr_progress_unmanaged_continue(dhndl); -#endif - erts_smp_mtx_lock(&smq_mtx); + erts_mtx_lock(&smq_mtx); msg = TUPLE5(hp, am_profile, p->common.id, status, where, NIL /* Will be overwritten by timestamp */); @@ -2188,20 +1968,13 @@ profile_runnable_proc(Process *p, Eterm status){ /* Write timestamp in element 5 of the 'msg' tuple */ hp[-1] = write_ts(erts_system_profile_ts_type, hp, bp, NULL); -#ifndef ERTS_SMP - profile_send(p->common.id, msg); - UnUseTmpHeapNoproc(LOCAL_HEAP_SIZE); -#undef LOCAL_HEAP_SIZE -#else enqueue_sys_msg_unlocked(SYS_MSG_TYPE_SYSPROF, p->common.id, NIL, msg, bp); -#endif - erts_smp_mtx_unlock(&smq_mtx); + erts_mtx_unlock(&smq_mtx); } /* End system_profile tracing */ -#ifdef ERTS_SMP typedef struct ErtsSysMsgQ_ ErtsSysMsgQ; struct ErtsSysMsgQ_ { @@ -2247,7 +2020,7 @@ enqueue_sys_msg_unlocked(enum ErtsSysMsgType type, sys_message_queue = smqp; } sys_message_queue_end = smqp; - erts_smp_cnd_signal(&smq_cnd); + erts_cnd_signal(&smq_cnd); } static void @@ -2257,15 +2030,29 @@ enqueue_sys_msg(enum ErtsSysMsgType type, Eterm msg, ErlHeapFragment *bp) { - erts_smp_mtx_lock(&smq_mtx); + erts_mtx_lock(&smq_mtx); enqueue_sys_msg_unlocked(type, from, to, msg, bp); - erts_smp_mtx_unlock(&smq_mtx); + erts_mtx_unlock(&smq_mtx); +} + +Eterm +erts_get_system_logger(void) +{ + return (Eterm)erts_atomic_read_nob(&system_logger); +} + +Eterm +erts_set_system_logger(Eterm logger) +{ + if (logger != am_logger && logger != am_undefined && !is_internal_pid(logger)) + return THE_NON_VALUE; + return (Eterm)erts_atomic_xchg_nob(&system_logger, logger); } void erts_queue_error_logger_message(Eterm from, Eterm msg, ErlHeapFragment *bp) { - enqueue_sys_msg(SYS_MSG_TYPE_ERRLGR, from, am_error_logger, msg, bp); + enqueue_sys_msg(SYS_MSG_TYPE_ERRLGR, from, erts_get_system_logger(), msg, bp); } void @@ -2311,10 +2098,10 @@ sys_msg_disp_failure(ErtsSysMsgQ *smqp, Eterm receiver) && !erts_system_monitor_flags.busy_port && !erts_system_monitor_flags.busy_dist_port) break; /* Everything is disabled */ - erts_smp_thr_progress_block(); + erts_thr_progress_block(); if (system_monitor == receiver || receiver == NIL) erts_system_monitor_clear(NULL); - erts_smp_thr_progress_unblock(); + erts_thr_progress_unblock(); break; case SYS_MSG_TYPE_SYSPROF: if (receiver == NIL @@ -2324,20 +2111,20 @@ sys_msg_disp_failure(ErtsSysMsgQ *smqp, Eterm receiver) && !erts_system_profile_flags.scheduler) break; /* Block system to clear flags */ - erts_smp_thr_progress_block(); + erts_thr_progress_block(); if (system_profile == receiver || receiver == NIL) { erts_system_profile_clear(NULL); } - erts_smp_thr_progress_unblock(); + erts_thr_progress_unblock(); break; case SYS_MSG_TYPE_ERRLGR: { - char *no_elgger = "(no error logger present)"; + char *no_elgger = "(no logger present)"; Eterm *tp; Eterm tag; if (is_not_tuple(smqp->msg)) { unexpected_elmsg: erts_fprintf(stderr, - "%s unexpected error logger message: %T\n", + "%s unexpected logger message: %T\n", no_elgger, smqp->msg); } @@ -2373,66 +2160,70 @@ static void sys_msg_dispatcher_wakeup(void *vwait_p) { int *wait_p = (int *) vwait_p; - erts_smp_mtx_lock(&smq_mtx); + erts_mtx_lock(&smq_mtx); *wait_p = 0; - erts_smp_cnd_signal(&smq_cnd); - erts_smp_mtx_unlock(&smq_mtx); + erts_cnd_signal(&smq_cnd); + erts_mtx_unlock(&smq_mtx); } static void sys_msg_dispatcher_prep_wait(void *vwait_p) { int *wait_p = (int *) vwait_p; - erts_smp_mtx_lock(&smq_mtx); + erts_mtx_lock(&smq_mtx); *wait_p = 1; - erts_smp_mtx_unlock(&smq_mtx); + erts_mtx_unlock(&smq_mtx); } static void sys_msg_dispatcher_fin_wait(void *vwait_p) { int *wait_p = (int *) vwait_p; - erts_smp_mtx_lock(&smq_mtx); + erts_mtx_lock(&smq_mtx); *wait_p = 0; - erts_smp_mtx_unlock(&smq_mtx); + erts_mtx_unlock(&smq_mtx); } static void sys_msg_dispatcher_wait(void *vwait_p) { int *wait_p = (int *) vwait_p; - erts_smp_mtx_lock(&smq_mtx); + erts_mtx_lock(&smq_mtx); while (*wait_p) - erts_smp_cnd_wait(&smq_cnd, &smq_mtx); - erts_smp_mtx_unlock(&smq_mtx); + erts_cnd_wait(&smq_cnd, &smq_mtx); + erts_mtx_unlock(&smq_mtx); } +static ErtsSysMsgQ *local_sys_message_queue = NULL; + static void * sys_msg_dispatcher_func(void *unused) { ErtsThrPrgrCallbacks callbacks; - ErtsSysMsgQ *local_sys_message_queue = NULL; + ErtsThrPrgrData *tpd; int wait = 0; #ifdef ERTS_ENABLE_LOCK_CHECK erts_lc_set_thread_name("system message dispatcher"); #endif + local_sys_message_queue = NULL; + callbacks.arg = (void *) &wait; callbacks.wakeup = sys_msg_dispatcher_wakeup; callbacks.prepare_wait = sys_msg_dispatcher_prep_wait; callbacks.wait = sys_msg_dispatcher_wait; callbacks.finalize_wait = sys_msg_dispatcher_fin_wait; - erts_thr_progress_register_managed_thread(NULL, &callbacks, 0); + tpd = erts_thr_progress_register_managed_thread(NULL, &callbacks, 0); while (1) { int end_wait = 0; ErtsSysMsgQ *smqp; - ERTS_SMP_LC_ASSERT(!erts_thr_progress_is_blocking()); + ERTS_LC_ASSERT(!erts_thr_progress_is_blocking()); - erts_smp_mtx_lock(&smq_mtx); + erts_mtx_lock(&smq_mtx); /* Free previously used queue ... */ while (local_sys_message_queue) { @@ -2443,25 +2234,25 @@ sys_msg_dispatcher_func(void *unused) /* Fetch current trace message queue ... */ if (!sys_message_queue) { - erts_smp_mtx_unlock(&smq_mtx); + erts_mtx_unlock(&smq_mtx); end_wait = 1; - erts_thr_progress_active(NULL, 0); - erts_thr_progress_prepare_wait(NULL); - erts_smp_mtx_lock(&smq_mtx); + erts_thr_progress_active(tpd, 0); + erts_thr_progress_prepare_wait(tpd); + erts_mtx_lock(&smq_mtx); } while (!sys_message_queue) - erts_smp_cnd_wait(&smq_cnd, &smq_mtx); + erts_cnd_wait(&smq_cnd, &smq_mtx); local_sys_message_queue = sys_message_queue; sys_message_queue = NULL; sys_message_queue_end = NULL; - erts_smp_mtx_unlock(&smq_mtx); + erts_mtx_unlock(&smq_mtx); if (end_wait) { - erts_thr_progress_finalize_wait(NULL); - erts_thr_progress_active(NULL, 1); + erts_thr_progress_finalize_wait(tpd); + erts_thr_progress_active(tpd, 1); } /* Send trace messages ... */ @@ -2474,8 +2265,10 @@ sys_msg_dispatcher_func(void *unused) Process *proc = NULL; Port *port = NULL; - if (erts_thr_progress_update(NULL)) - erts_thr_progress_leader_update(NULL); + ASSERT(is_value(smqp->msg)); + + if (erts_thr_progress_update(tpd)) + erts_thr_progress_leader_update(tpd); #ifdef DEBUG_PRINTOUTS print_msg_type(smqp); @@ -2505,7 +2298,7 @@ sys_msg_dispatcher_func(void *unused) } break; case SYS_MSG_TYPE_ERRLGR: - receiver = am_error_logger; + receiver = smqp->to; break; default: receiver = NIL; @@ -2519,8 +2312,15 @@ sys_msg_dispatcher_func(void *unused) if (is_internal_pid(receiver)) { proc = erts_pid2proc(NULL, 0, receiver, proc_locks); if (!proc) { - /* Bad tracer */ - goto failure; + if (smqp->type == SYS_MSG_TYPE_ERRLGR) { + /* Bad logger process, send to kernel 'logger' process */ + erts_set_system_logger(am_logger); + receiver = erts_get_system_logger(); + goto logger; + } else { + /* Bad tracer */ + goto failure; + } } else { ErtsMessage *mp; @@ -2531,11 +2331,11 @@ sys_msg_dispatcher_func(void *unused) #ifdef DEBUG_PRINTOUTS erts_fprintf(stderr, "delivered\n"); #endif - erts_smp_proc_unlock(proc, proc_locks); + erts_proc_unlock(proc, proc_locks); } - } - else if (receiver == am_error_logger) { - proc = erts_whereis_process(NULL,0,receiver,proc_locks,0); + } else if (receiver == am_logger) { + logger: + proc = erts_whereis_process(NULL,0,am_logger,proc_locks,0); if (!proc) goto failure; else if (smqp->from == proc->common.id) @@ -2543,7 +2343,10 @@ sys_msg_dispatcher_func(void *unused) else goto queue_proc_msg; } - else if (is_internal_port(receiver)) { + else if (receiver == am_undefined) { + goto drop_sys_msg; + } + else if (is_internal_port(receiver)) { port = erts_thr_id2port_sflgs(receiver, ERTS_PORT_SFLGS_INVALID_TRACER_LOOKUP); if (!port) @@ -2569,13 +2372,14 @@ sys_msg_dispatcher_func(void *unused) sys_msg_disp_failure(smqp, receiver); drop_sys_msg: if (proc) - erts_smp_proc_unlock(proc, proc_locks); + erts_proc_unlock(proc, proc_locks); if (smqp->bp) free_message_buffer(smqp->bp); #ifdef DEBUG_PRINTOUTS erts_fprintf(stderr, "dropped\n"); #endif } + smqp->msg = THE_NON_VALUE; } } @@ -2583,53 +2387,59 @@ sys_msg_dispatcher_func(void *unused) } void -erts_foreach_sys_msg_in_q(void (*func)(Eterm, - Eterm, - Eterm, - ErlHeapFragment *)) -{ - ErtsSysMsgQ *sm; - erts_smp_mtx_lock(&smq_mtx); - for (sm = sys_message_queue; sm; sm = sm->next) { - Eterm to; - switch (sm->type) { - case SYS_MSG_TYPE_SYSMON: - to = erts_get_system_monitor(); - break; - case SYS_MSG_TYPE_SYSPROF: - to = erts_get_system_profile(); - break; - case SYS_MSG_TYPE_ERRLGR: - to = am_error_logger; - break; - default: - to = NIL; - break; - } - (*func)(sm->from, to, sm->msg, sm->bp); +erts_debug_foreach_sys_msg_in_q(void (*func)(Eterm, + Eterm, + Eterm, + ErlHeapFragment *)) +{ + ErtsSysMsgQ *smq[] = {sys_message_queue, local_sys_message_queue}; + int i; + + ERTS_LC_ASSERT(erts_thr_progress_is_blocking()); + + for (i = 0; i < sizeof(smq)/sizeof(smq[0]); i++) { + ErtsSysMsgQ *sm; + for (sm = smq[i]; sm; sm = sm->next) { + Eterm to; + switch (sm->type) { + case SYS_MSG_TYPE_SYSMON: + to = erts_get_system_monitor(); + break; + case SYS_MSG_TYPE_SYSPROF: + to = erts_get_system_profile(); + break; + case SYS_MSG_TYPE_ERRLGR: + to = erts_get_system_logger(); + break; + default: + to = NIL; + break; + } + if (is_value(sm->msg)) + (*func)(sm->from, to, sm->msg, sm->bp); + } } - erts_smp_mtx_unlock(&smq_mtx); } static void init_sys_msg_dispatcher(void) { - erts_smp_thr_opts_t thr_opts = ERTS_SMP_THR_OPTS_DEFAULT_INITER; + erts_thr_opts_t thr_opts = ERTS_THR_OPTS_DEFAULT_INITER; thr_opts.detached = 1; thr_opts.name = "sys_msg_dispatcher"; init_smq_element_alloc(); sys_message_queue = NULL; sys_message_queue_end = NULL; - erts_smp_cnd_init(&smq_cnd); - erts_smp_mtx_init(&smq_mtx, "sys_msg_q"); - erts_smp_thr_create(&sys_msg_dispatcher_tid, + erts_cnd_init(&smq_cnd); + erts_mtx_init(&smq_mtx, "sys_msg_q", NIL, + ERTS_LOCK_FLAGS_PROPERTY_STATIC | ERTS_LOCK_FLAGS_CATEGORY_DEBUG); + erts_thr_create(&sys_msg_dispatcher_tid, sys_msg_dispatcher_func, NULL, &thr_opts); } -#endif #include "erl_nif.h" @@ -2725,7 +2535,7 @@ static void init_tracer_template(ErtsTracerNif *tnif) { } static Hash *tracer_hash = NULL; -static erts_smp_rwmtx_t tracer_mtx; +static erts_rwmtx_t tracer_mtx; static ErtsTracerNif * load_tracer_nif(const ErtsTracer tracer) @@ -2754,7 +2564,7 @@ load_tracer_nif(const ErtsTracer tracer) for(i = 0; i < num_of_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) { + if (sys_strcmp(tracers[j].name, funcs[i].name) == 0 && tracers[j].arity == funcs[i].arity) { tracers[j].cb = &(funcs[i]); break; } @@ -2765,9 +2575,9 @@ load_tracer_nif(const ErtsTracer tracer) return NULL; } - erts_smp_rwmtx_rwlock(&tracer_mtx); + erts_rwmtx_rwlock(&tracer_mtx); tnif = hash_put(tracer_hash, &tnif_tmpl); - erts_smp_rwmtx_rwunlock(&tracer_mtx); + erts_rwmtx_rwunlock(&tracer_mtx); return tnif; } @@ -2778,14 +2588,14 @@ lookup_tracer_nif(const ErtsTracer tracer) ErtsTracerNif tnif_tmpl; ErtsTracerNif *tnif; tnif_tmpl.module = ERTS_TRACER_MODULE(tracer); - erts_smp_rwmtx_rlock(&tracer_mtx); + erts_rwmtx_rlock(&tracer_mtx); if ((tnif = hash_get(tracer_hash, &tnif_tmpl)) == NULL) { - erts_smp_rwmtx_runlock(&tracer_mtx); + erts_rwmtx_runlock(&tracer_mtx); tnif = load_tracer_nif(tracer); ASSERT(!tnif || tnif->nif_mod); return tnif; } - erts_smp_rwmtx_runlock(&tracer_mtx); + erts_rwmtx_runlock(&tracer_mtx); ASSERT(tnif->nif_mod); return tnif; } @@ -2814,7 +2624,7 @@ erts_term_to_tracer(Eterm prefix, Eterm t) state = tp[3]; } } else { - if (arityval(tp[0]) == 2 && is_atom(tp[2])) { + if (arityval(tp[0]) == 2 && is_atom(tp[1])) { module = tp[1]; state = tp[2]; } @@ -2850,6 +2660,38 @@ erts_tracer_to_term(Process *p, ErtsTracer tracer) } } +Eterm +erts_build_tracer_to_term(Eterm **hpp, ErlOffHeap *ohp, Uint *szp, ErtsTracer tracer) +{ + Eterm res; + Eterm state; + Uint sz; + + if (ERTS_TRACER_IS_NIL(tracer)) + return am_false; + + state = ERTS_TRACER_STATE(tracer); + sz = is_immed(state) ? 0 : size_object(state); + + if (szp) + *szp += sz; + + if (hpp) + res = is_immed(state) ? state : copy_struct(state, sz, hpp, ohp); + else + res = THE_NON_VALUE; + + if (ERTS_TRACER_MODULE(tracer) != am_erl_tracer) { + if (szp) + *szp += 3; + if (hpp) { + res = TUPLE2(*hpp, ERTS_TRACER_MODULE(tracer), res); + *hpp += 3; + } + } + + return res; +} static ERTS_INLINE int send_to_tracer_nif_raw(Process *c_p, Process *tracee, @@ -2923,17 +2765,17 @@ send_to_tracer_nif(Process *c_p, ErtsPTabElementCommon *t_p, Eterm t_p_id, ErtsTracerNif *tnif, enum ErtsTracerOpt topt, Eterm tag, Eterm msg, Eterm extra, Eterm pam_result) { -#if defined(ERTS_SMP) && defined(ERTS_ENABLE_LOCK_CHECK) +#if defined(ERTS_ENABLE_LOCK_CHECK) if (c_p) { /* We have to hold the main lock of the currently executing process */ erts_proc_lc_chk_have_proc_locks(c_p, ERTS_PROC_LOCK_MAIN); } if (is_internal_pid(t_p->id)) { /* We have to have at least one lock */ - ERTS_SMP_LC_ASSERT(erts_proc_lc_my_proc_locks((Process*)t_p) & ERTS_PROC_LOCKS_ALL); + ERTS_LC_ASSERT(erts_proc_lc_my_proc_locks((Process*)t_p) & ERTS_PROC_LOCKS_ALL); } else { ASSERT(is_internal_port(t_p->id)); - ERTS_SMP_LC_ASSERT(erts_lc_is_port_locked((Port*)t_p)); + ERTS_LC_ASSERT(erts_lc_is_port_locked((Port*)t_p)); } #endif @@ -2976,17 +2818,17 @@ is_tracer_enabled(Process* c_p, ErtsProcLocks c_p_locks, enum ErtsTracerOpt topt, Eterm tag) { Eterm nif_result; -#if defined(ERTS_SMP) && defined(ERTS_ENABLE_LOCK_CHECK) +#if defined(ERTS_ENABLE_LOCK_CHECK) if (c_p) - ERTS_SMP_LC_ASSERT(erts_proc_lc_my_proc_locks(c_p) == c_p_locks + ERTS_LC_ASSERT(erts_proc_lc_my_proc_locks(c_p) == c_p_locks || erts_thr_progress_is_blocking()); if (is_internal_pid(t_p->id)) { /* We have to have at least one lock */ - ERTS_SMP_LC_ASSERT(erts_proc_lc_my_proc_locks((Process*)t_p) & ERTS_PROC_LOCKS_ALL + ERTS_LC_ASSERT(erts_proc_lc_my_proc_locks((Process*)t_p) & ERTS_PROC_LOCKS_ALL || erts_thr_progress_is_blocking()); } else { ASSERT(is_internal_port(t_p->id)); - ERTS_SMP_LC_ASSERT(erts_lc_is_port_locked((Port*)t_p) + ERTS_LC_ASSERT(erts_lc_is_port_locked((Port*)t_p) || erts_thr_progress_is_blocking()); } #endif @@ -3004,24 +2846,28 @@ is_tracer_enabled(Process* c_p, ErtsProcLocks c_p_locks, ASSERT(0); } - /* Only remove tracer on self() and ports */ + /* Only remove tracer on (self() or ports) AND we are on a normal scheduler */ if (is_internal_port(t_p->id) || (c_p && c_p->common.id == t_p->id)) { + ErtsSchedulerData *esdp = erts_get_scheduler_data(); ErtsProcLocks c_p_xlocks = 0; - if (is_internal_pid(t_p->id)) { - ERTS_SMP_LC_ASSERT(erts_proc_lc_my_proc_locks(c_p) & ERTS_PROC_LOCK_MAIN); - if (c_p_locks != ERTS_PROC_LOCKS_ALL) { - c_p_xlocks = ~c_p_locks & ERTS_PROC_LOCKS_ALL; - if (erts_smp_proc_trylock(c_p, c_p_xlocks) == EBUSY) { - erts_smp_proc_unlock(c_p, c_p_locks & ~ERTS_PROC_LOCK_MAIN); - erts_smp_proc_lock(c_p, ERTS_PROC_LOCKS_ALL_MINOR); + if (esdp && !ERTS_SCHEDULER_IS_DIRTY(esdp)) { + if (is_internal_pid(t_p->id)) { + ERTS_LC_ASSERT(erts_proc_lc_my_proc_locks(c_p) & ERTS_PROC_LOCK_MAIN); + if (c_p_locks != ERTS_PROC_LOCKS_ALL) { + c_p_xlocks = ~c_p_locks & ERTS_PROC_LOCKS_ALL; + if (erts_proc_trylock(c_p, c_p_xlocks) == EBUSY) { + erts_proc_unlock(c_p, c_p_locks & ~ERTS_PROC_LOCK_MAIN); + erts_proc_lock(c_p, ERTS_PROC_LOCKS_ALL_MINOR); + } } } - } - erts_tracer_replace(t_p, erts_tracer_nil); - t_p->trace_flags &= ~TRACEE_FLAGS; - if (c_p_xlocks) - erts_smp_proc_unlock(c_p, c_p_xlocks); + erts_tracer_replace(t_p, erts_tracer_nil); + t_p->trace_flags &= ~TRACEE_FLAGS; + + if (c_p_xlocks) + erts_proc_unlock(c_p, c_p_xlocks); + } } return 0; @@ -3061,7 +2907,7 @@ int erts_is_tracer_proc_enabled_send(Process* c_p, ErtsProcLocks c_p_locks, void erts_tracer_replace(ErtsPTabElementCommon *t_p, const ErtsTracer tracer) { -#if defined(ERTS_SMP) && defined(ERTS_ENABLE_LOCK_CHECK) +#if defined(ERTS_ENABLE_LOCK_CHECK) if (is_internal_pid(t_p->id) && !erts_thr_progress_is_blocking()) { erts_proc_lc_chk_have_proc_locks((Process*)t_p, ERTS_PROC_LOCKS_ALL); } else if (is_internal_port(t_p->id)) { @@ -3179,10 +3025,12 @@ erts_tracer_update(ErtsTracer *tracer, const ErtsTracer new_tracer) static void init_tracer_nif() { - erts_smp_rwmtx_opt_t rwmtx_opt = ERTS_SMP_RWMTX_OPT_DEFAULT_INITER; - rwmtx_opt.type = ERTS_SMP_RWMTX_TYPE_EXTREMELY_FREQUENT_READ; - rwmtx_opt.lived = ERTS_SMP_RWMTX_LONG_LIVED; - erts_smp_rwmtx_init_opt(&tracer_mtx, &rwmtx_opt, "tracer_mtx"); + erts_rwmtx_opt_t rwmtx_opt = ERTS_RWMTX_OPT_DEFAULT_INITER; + rwmtx_opt.type = ERTS_RWMTX_TYPE_EXTREMELY_FREQUENT_READ; + rwmtx_opt.lived = ERTS_RWMTX_LONG_LIVED; + + erts_rwmtx_init_opt(&tracer_mtx, &rwmtx_opt, "tracer_mtx", NIL, + ERTS_LOCK_FLAGS_PROPERTY_STATIC | ERTS_LOCK_FLAGS_CATEGORY_DEBUG); erts_tracer_nif_clear(); @@ -3191,7 +3039,7 @@ static void init_tracer_nif() int erts_tracer_nif_clear() { - erts_smp_rwmtx_rlock(&tracer_mtx); + erts_rwmtx_rlock(&tracer_mtx); if (!tracer_hash || tracer_hash->nobjs) { HashFunctions hf; @@ -3203,19 +3051,19 @@ int erts_tracer_nif_clear() hf.meta_free = (HMFREE_FUN) erts_free; hf.meta_print = (HMPRINT_FUN) erts_print; - erts_smp_rwmtx_runlock(&tracer_mtx); - erts_smp_rwmtx_rwlock(&tracer_mtx); + erts_rwmtx_runlock(&tracer_mtx); + erts_rwmtx_rwlock(&tracer_mtx); if (tracer_hash) hash_delete(tracer_hash); tracer_hash = hash_new(ERTS_ALC_T_TRACER_NIF, "tracer_hash", 10, hf); - erts_smp_rwmtx_rwunlock(&tracer_mtx); + erts_rwmtx_rwunlock(&tracer_mtx); return 1; } - erts_smp_rwmtx_runlock(&tracer_mtx); + erts_rwmtx_runlock(&tracer_mtx); return 0; } @@ -3226,7 +3074,7 @@ static int tracer_cmp_fun(void* a, void* b) static HashValue tracer_hash_fun(void* obj) { - return make_internal_hash(((ErtsTracerNif*)obj)->module); + return make_internal_hash(((ErtsTracerNif*)obj)->module, 0); } static void *tracer_alloc_fun(void* tmpl) @@ -3234,7 +3082,7 @@ static void *tracer_alloc_fun(void* tmpl) ErtsTracerNif *obj = erts_alloc(ERTS_ALC_T_TRACER_NIF, sizeof(ErtsTracerNif) + sizeof(ErtsThrPrgrLaterOp)); - memcpy(obj, tmpl, sizeof(*obj)); + sys_memcpy(obj, tmpl, sizeof(*obj)); return obj; } |