diff options
Diffstat (limited to 'erts/emulator/beam/erl_bif_trace.c')
-rw-r--r-- | erts/emulator/beam/erl_bif_trace.c | 172 |
1 files changed, 92 insertions, 80 deletions
diff --git a/erts/emulator/beam/erl_bif_trace.c b/erts/emulator/beam/erl_bif_trace.c index 805d788177..99a4394666 100644 --- a/erts/emulator/beam/erl_bif_trace.c +++ b/erts/emulator/beam/erl_bif_trace.c @@ -124,7 +124,7 @@ trace_pattern(Process* p, Eterm MFA, Eterm Pattern, Eterm flaglist) struct trace_pattern_flags flags = erts_trace_pattern_flags_off; int is_global; Process *meta_tracer_proc = p; - Eterm meta_tracer_pid = p->id; + Eterm meta_tracer_pid = p->common.id; if (!erts_try_seize_code_write_permission(p)) { ERTS_BIF_YIELD3(bif_export[BIF_trace_pattern_3], p, MFA, Pattern, flaglist); @@ -171,14 +171,12 @@ trace_pattern(Process* p, Eterm MFA, Eterm Pattern, Eterm flaglist) } } else if (is_internal_port(meta_tracer_pid)) { Port *meta_tracer_port; - meta_tracer_proc = NULL; - if (internal_port_index(meta_tracer_pid) >= erts_max_ports) + meta_tracer_proc = NULL; + meta_tracer_port = (erts_port_lookup( + meta_tracer_pid, + ERTS_PORT_SFLGS_INVALID_TRACER_LOOKUP)); + if (!meta_tracer_port) goto error; - meta_tracer_port = - &erts_port[internal_port_index(meta_tracer_pid)]; - if (INVALID_TRACER_PORT(meta_tracer_port, meta_tracer_pid)) { - goto error; - } } else { goto error; } @@ -254,7 +252,7 @@ trace_pattern(Process* p, Eterm MFA, Eterm Pattern, Eterm flaglist) MatchSetRef(erts_default_meta_match_spec); erts_default_meta_tracer_pid = meta_tracer_pid; if (meta_tracer_proc) { - meta_tracer_proc->trace_flags |= F_TRACER; + ERTS_TRACE_FLAGS(meta_tracer_proc) |= F_TRACER; } } else if (! flags.breakpoint) { MatchSetUnref(erts_default_meta_match_spec); @@ -342,7 +340,7 @@ trace_pattern(Process* p, Eterm MFA, Eterm Pattern, Eterm flaglist) } if (meta_tracer_proc) { - meta_tracer_proc->trace_flags |= F_TRACER; + ERTS_TRACE_FLAGS(meta_tracer_proc) |= F_TRACER; } matches = erts_set_trace_pattern(p, mfa, specified, @@ -526,24 +524,24 @@ Eterm trace_3(BIF_ALIST_3) if (is_nil(tracer) || is_internal_pid(tracer)) { Process *tracer_proc = erts_pid2proc(p, ERTS_PROC_LOCK_MAIN, - is_nil(tracer) ? p->id : tracer, + is_nil(tracer) ? p->common.id : tracer, ERTS_PROC_LOCKS_ALL); if (!tracer_proc) goto error; - tracer_proc->trace_flags |= F_TRACER; + ERTS_TRACE_FLAGS(tracer_proc) |= F_TRACER; erts_smp_proc_unlock(tracer_proc, (tracer_proc == p ? ERTS_PROC_LOCKS_ALL_MINOR : ERTS_PROC_LOCKS_ALL)); } else if (is_internal_port(tracer)) { - Port *tracer_port = erts_id2port(tracer, p, ERTS_PROC_LOCK_MAIN); - if (!erts_is_valid_tracer_port(tracer)) { - if (tracer_port) - erts_smp_port_unlock(tracer_port); + Port *tracer_port = erts_id2port_sflgs(tracer, + p, + ERTS_PROC_LOCK_MAIN, + ERTS_PORT_SFLGS_INVALID_TRACER_LOOKUP); + if (!tracer_port) goto error; - } - tracer_port->trace_flags |= F_TRACER; - erts_smp_port_unlock(tracer_port); + ERTS_TRACE_FLAGS(tracer_port) |= F_TRACER; + erts_port_release(tracer_port); } else goto error; @@ -554,7 +552,7 @@ Eterm trace_3(BIF_ALIST_3) case am_true: on = 1; if (is_nil(tracer)) - tracer = p->id; + tracer = p->common.id; break; default: goto error; @@ -576,26 +574,29 @@ Eterm trace_3(BIF_ALIST_3) if (pid_spec == tracer) goto error; - tracee_port = erts_id2port(pid_spec, p, ERTS_PROC_LOCK_MAIN); + tracee_port = erts_id2port_sflgs(pid_spec, + p, + ERTS_PROC_LOCK_MAIN, + ERTS_PORT_SFLGS_INVALID_LOOKUP); if (!tracee_port) goto error; if (tracer != NIL && port_already_traced(p, tracee_port, tracer)) { - erts_smp_port_unlock(tracee_port); + erts_port_release(tracee_port); goto already_traced; } if (on) - tracee_port->trace_flags |= mask; + ERTS_TRACE_FLAGS(tracee_port) |= mask; else - tracee_port->trace_flags &= ~mask; + ERTS_TRACE_FLAGS(tracee_port) &= ~mask; - if (!tracee_port->trace_flags) - tracee_port->tracer_proc = NIL; + if (!ERTS_TRACE_FLAGS(tracee_port)) + ERTS_TRACER_PROC(tracee_port) = NIL; else if (tracer != NIL) - tracee_port->tracer_proc = tracer; + ERTS_TRACER_PROC(tracee_port) = tracer; - erts_smp_port_unlock(tracee_port); + erts_port_release(tracee_port); matches = 1; } else if (is_pid(pid_spec)) { @@ -627,14 +628,14 @@ Eterm trace_3(BIF_ALIST_3) } if (on) - tracee_p->trace_flags |= mask; + ERTS_TRACE_FLAGS(tracee_p) |= mask; else - tracee_p->trace_flags &= ~mask; + ERTS_TRACE_FLAGS(tracee_p) &= ~mask; - if ((tracee_p->trace_flags & TRACEE_FLAGS) == 0) - tracee_p->tracer_proc = NIL; + if ((ERTS_TRACE_FLAGS(tracee_p) & TRACEE_FLAGS) == 0) + ERTS_TRACER_PROC(tracee_p) = NIL; else if (tracer != NIL) - tracee_p->tracer_proc = tracer; + ERTS_TRACER_PROC(tracee_p) = tracer; erts_smp_proc_unlock(tracee_p, (tracee_p == p @@ -708,47 +709,56 @@ Eterm trace_3(BIF_ALIST_3) ok = 1; if (procs || mods) { + int max = erts_ptab_max(&erts_proc); /* tracing of processes */ - for (i = 0; i < erts_max_processes; i++) { + for (i = 0; i < max; i++) { Process* tracee_p = erts_pix2proc(i); if (! tracee_p) continue; if (tracer != NIL) { - if (tracee_p->id == tracer) + if (tracee_p->common.id == tracer) continue; if (already_traced(NULL, tracee_p, tracer)) continue; } if (on) { - tracee_p->trace_flags |= mask; + ERTS_TRACE_FLAGS(tracee_p) |= mask; } else { - tracee_p->trace_flags &= ~mask; + ERTS_TRACE_FLAGS(tracee_p) &= ~mask; } - if(!(tracee_p->trace_flags & TRACEE_FLAGS)) { - tracee_p->tracer_proc = NIL; + if(!(ERTS_TRACE_FLAGS(tracee_p) & TRACEE_FLAGS)) { + ERTS_TRACER_PROC(tracee_p) = NIL; } else if (tracer != NIL) { - tracee_p->tracer_proc = tracer; + ERTS_TRACER_PROC(tracee_p) = tracer; } matches++; } } if (ports || mods) { + int max = erts_ptab_max(&erts_port); /* tracing of ports */ - for (i = 0; i < erts_max_ports; i++) { - Port *tracee_port = &erts_port[i]; - if (tracee_port->status & ERTS_PORT_SFLGS_DEAD) continue; + for (i = 0; i < max; i++) { + erts_aint32_t state; + Port *tracee_port = erts_pix2port(i); + if (!tracee_port) + continue; + state = erts_atomic32_read_nob(&tracee_port->state); + if (state & ERTS_PORT_SFLGS_DEAD) + continue; if (tracer != NIL) { - if (tracee_port->id == tracer) continue; - if (port_already_traced(NULL, tracee_port, tracer)) continue; + if (tracee_port->common.id == tracer) + continue; + if (port_already_traced(NULL, tracee_port, tracer)) + continue; } - if (on) tracee_port->trace_flags |= mask; - else tracee_port->trace_flags &= ~mask; + if (on) ERTS_TRACE_FLAGS(tracee_port) |= mask; + else ERTS_TRACE_FLAGS(tracee_port) &= ~mask; - if (!(tracee_port->trace_flags & TRACEE_FLAGS)) { - tracee_port->tracer_proc = NIL; + if (!(ERTS_TRACE_FLAGS(tracee_port) & TRACEE_FLAGS)) { + ERTS_TRACER_PROC(tracee_port) = NIL; } else if (tracer != NIL) { - tracee_port->tracer_proc = tracer; + ERTS_TRACER_PROC(tracee_port) = tracer; } /* matches are not counted for ports since it would violate compatibility */ /* This could be a reason to modify this function or make a new one. */ @@ -817,20 +827,20 @@ static int port_already_traced(Process *c_p, Port *tracee_port, Eterm tracer) * * main lock is held on c_p * * all locks are held on port tracee_p */ - if ((tracee_port->trace_flags & TRACEE_FLAGS) - && tracee_port->tracer_proc != tracer) { + if ((ERTS_TRACE_FLAGS(tracee_port) & TRACEE_FLAGS) + && ERTS_TRACER_PROC(tracee_port) != tracer) { /* This tracee is already being traced, and not by the * tracer to be */ - if (is_internal_port(tracee_port->tracer_proc)) { - if (!erts_is_valid_tracer_port(tracee_port->tracer_proc)) { + if (is_internal_port(ERTS_TRACER_PROC(tracee_port))) { + if (!erts_is_valid_tracer_port(ERTS_TRACER_PROC(tracee_port))) { /* Current trace port now invalid * - discard it and approve the new. */ goto remove_tracer; } else return 1; } - else if(is_internal_pid(tracee_port->tracer_proc)) { - Process *tracer_p = erts_proc_lookup(tracee_port->tracer_proc); + else if(is_internal_pid(ERTS_TRACER_PROC(tracee_port))) { + Process *tracer_p = erts_proc_lookup(ERTS_TRACER_PROC(tracee_port)); if (!tracer_p) { /* Current trace process now invalid * - discard it and approve the new. */ @@ -840,8 +850,8 @@ static int port_already_traced(Process *c_p, Port *tracee_port, Eterm tracer) } else { remove_tracer: - tracee_port->trace_flags &= ~TRACEE_FLAGS; - tracee_port->tracer_proc = NIL; + ERTS_TRACE_FLAGS(tracee_port) &= ~TRACEE_FLAGS; + ERTS_TRACER_PROC(tracee_port) = NIL; } } return 0; @@ -857,20 +867,22 @@ static int already_traced(Process *c_p, Process *tracee_p, Eterm tracer) * * main lock is held on c_p * * all locks multiple are held on tracee_p */ - if ((tracee_p->trace_flags & TRACEE_FLAGS) - && tracee_p->tracer_proc != tracer) { + if ((ERTS_TRACE_FLAGS(tracee_p) & TRACEE_FLAGS) + && ERTS_TRACER_PROC(tracee_p) != tracer) { /* This tracee is already being traced, and not by the * tracer to be */ - if (is_internal_port(tracee_p->tracer_proc)) { - if (!erts_is_valid_tracer_port(tracee_p->tracer_proc)) { + if (is_internal_port(ERTS_TRACER_PROC(tracee_p))) { + if (!erts_is_valid_tracer_port(ERTS_TRACER_PROC(tracee_p))) { /* Current trace port now invalid * - discard it and approve the new. */ goto remove_tracer; } else return 1; } - else if(is_internal_pid(tracee_p->tracer_proc)) { - Process *tracer_p = erts_proc_lookup(tracee_p->tracer_proc); + else if(is_internal_pid(ERTS_TRACER_PROC(tracee_p))) { + Process *tracer_p; + + tracer_p = erts_proc_lookup(ERTS_TRACER_PROC(tracee_p)); if (!tracer_p) { /* Current trace process now invalid * - discard it and approve the new. */ @@ -880,8 +892,8 @@ static int already_traced(Process *c_p, Process *tracee_p, Eterm tracer) } else { remove_tracer: - tracee_p->trace_flags &= ~TRACEE_FLAGS; - tracee_p->tracer_proc = NIL; + ERTS_TRACE_FLAGS(tracee_p) &= ~TRACEE_FLAGS; + ERTS_TRACER_PROC(tracee_p) = NIL; } } return 0; @@ -925,8 +937,7 @@ trace_info_pid(Process* p, Eterm pid_spec, Eterm key) if (pid_spec == am_new) { erts_get_default_tracing(&trace_flags, &tracer); - } else if (is_internal_pid(pid_spec) - && internal_pid_index(pid_spec) < erts_max_processes) { + } else if (is_internal_pid(pid_spec)) { Process *tracee; tracee = erts_pid2proc(p, ERTS_PROC_LOCK_MAIN, pid_spec, ERTS_PROC_LOCKS_ALL); @@ -934,16 +945,16 @@ trace_info_pid(Process* p, Eterm pid_spec, Eterm key) if (!tracee) { return am_undefined; } else { - tracer = tracee->tracer_proc; - trace_flags = tracee->trace_flags; + tracer = ERTS_TRACER_PROC(tracee); + trace_flags = ERTS_TRACE_FLAGS(tracee); } if (is_internal_pid(tracer)) { if (!erts_proc_lookup(tracer)) { reset_tracer: - tracee->trace_flags &= ~TRACEE_FLAGS; - trace_flags = tracee->trace_flags; - tracer = tracee->tracer_proc = NIL; + ERTS_TRACE_FLAGS(tracee) &= ~TRACEE_FLAGS; + trace_flags = ERTS_TRACE_FLAGS(tracee); + tracer = ERTS_TRACER_PROC(tracee) = NIL; } } else if (is_internal_port(tracer)) { @@ -1877,7 +1888,7 @@ new_seq_trace_token(Process* p) SEQ_TRACE_TOKEN(p) = TUPLE5(hp, make_small(0), /* Flags */ make_small(0), /* Label */ make_small(0), /* Serial */ - p->id, /* Internal pid */ /* From */ + p->common.id, /* Internal pid */ /* From */ make_small(p->seq_trace_lastcnt)); } } @@ -2247,9 +2258,11 @@ BIF_RETTYPE system_profile_2(BIF_ALIST_2) if (!profiler_p) goto error; } else if (is_internal_port(profiler)) { - if (internal_port_index(profiler) >= erts_max_ports) goto error; - profiler_port = &erts_port[internal_port_index(profiler)]; - if (INVALID_TRACER_PORT(profiler_port, profiler)) goto error; + profiler_port = (erts_port_lookup( + profiler, + ERTS_PORT_SFLGS_INVALID_TRACER_LOOKUP)); + if (!profiler_port) + goto error; } else { goto error; } @@ -2313,8 +2326,7 @@ trace_delivered_1(BIF_ALIST_1) p = NULL; } else if (! (p = erts_pid2proc(BIF_P, ERTS_PROC_LOCK_MAIN, BIF_ARG_1, ERTS_PROC_LOCKS_ALL))) { - if (is_not_internal_pid(BIF_ARG_1) - || internal_pid_index(BIF_ARG_1) >= erts_max_processes) { + if (is_not_internal_pid(BIF_ARG_1)) { BIF_ERROR(BIF_P, BADARG); } } @@ -2333,7 +2345,7 @@ trace_delivered_1(BIF_ALIST_1) msg = TUPLE3(hp, AM_trace_delivered, BIF_ARG_1, msg_ref); #ifdef ERTS_SMP - erts_send_sys_msg_proc(BIF_P->id, BIF_P->id, msg, bp); + erts_send_sys_msg_proc(BIF_P->common.id, BIF_P->common.id, msg, bp); if (p) erts_smp_proc_unlock(p, (BIF_P == p |