diff options
Diffstat (limited to 'erts/emulator/beam')
-rw-r--r-- | erts/emulator/beam/beam_bp.c | 60 | ||||
-rw-r--r-- | erts/emulator/beam/beam_bp.h | 6 | ||||
-rw-r--r-- | erts/emulator/beam/erl_bif_trace.c | 7 | ||||
-rw-r--r-- | erts/emulator/beam/erl_lock_check.c | 1 |
4 files changed, 64 insertions, 10 deletions
diff --git a/erts/emulator/beam/beam_bp.c b/erts/emulator/beam/beam_bp.c index 73158205b3..455362f5ae 100644 --- a/erts/emulator/beam/beam_bp.c +++ b/erts/emulator/beam/beam_bp.c @@ -74,6 +74,9 @@ extern BeamInstr beam_return_time_trace[1]; /* OpCode(i_return_time_trace) */ erts_smp_atomic32_t erts_active_bp_index; erts_smp_atomic32_t erts_staging_bp_index; +#ifdef ERTS_DIRTY_SCHEDULERS +erts_smp_mtx_t erts_dirty_bp_ix_mtx; +#endif /* * Inlined helpers @@ -85,6 +88,31 @@ get_mtime(Process *c_p) return erts_get_monotonic_time(erts_proc_sched_data(c_p)); } +static ERTS_INLINE Uint32 +acquire_bp_sched_ix(Process *c_p) +{ + ErtsSchedulerData *esdp = erts_proc_sched_data(c_p); + ASSERT(esdp); +#ifdef ERTS_DIRTY_SCHEDULERS + if (ERTS_SCHEDULER_IS_DIRTY(esdp)) { + erts_smp_mtx_lock(&erts_dirty_bp_ix_mtx); + return (Uint32) erts_no_schedulers; + } +#endif + return (Uint32) esdp->no - 1; +} + +static ERTS_INLINE void +release_bp_sched_ix(Uint32 ix) +{ +#ifdef ERTS_DIRTY_SCHEDULERS + if (ix == (Uint32) erts_no_schedulers) + erts_smp_mtx_unlock(&erts_dirty_bp_ix_mtx); +#endif +} + + + /* ************************************************************************* ** Local prototypes */ @@ -135,6 +163,9 @@ void erts_bp_init(void) { erts_smp_atomic32_init_nob(&erts_active_bp_index, 0); erts_smp_atomic32_init_nob(&erts_staging_bp_index, 1); +#ifdef ERTS_DIRTY_SCHEDULERS + erts_smp_mtx_init(&erts_dirty_bp_ix_mtx, "dirty_break_point_index"); +#endif } @@ -983,6 +1014,7 @@ erts_trace_time_call(Process* c_p, ErtsCodeInfo *info, BpDataTime* bdt) bp_data_time_item_t sitem, *item = NULL; bp_time_hash_t *h = NULL; BpDataTime *pbdt = NULL; + Uint32 six = acquire_bp_sched_ix(c_p); ASSERT(c_p); ASSERT(erts_smp_atomic32_read_acqb(&c_p->state) & (ERTS_PSFLG_RUNNING @@ -990,7 +1022,7 @@ erts_trace_time_call(Process* c_p, ErtsCodeInfo *info, BpDataTime* bdt) /* get previous timestamp and breakpoint * from the process psd */ - + pbt = ERTS_PROC_GET_CALL_TIME(c_p); time = get_mtime(c_p); @@ -1016,7 +1048,7 @@ erts_trace_time_call(Process* c_p, ErtsCodeInfo *info, BpDataTime* bdt) /* if null then the breakpoint was removed */ if (pbdt) { - h = &(pbdt->hash[bp_sched2ix_proc(c_p)]); + h = &(pbdt->hash[six]); ASSERT(h); ASSERT(h->item); @@ -1037,7 +1069,7 @@ erts_trace_time_call(Process* c_p, ErtsCodeInfo *info, BpDataTime* bdt) /* this breakpoint */ ASSERT(bdt); - h = &(bdt->hash[bp_sched2ix_proc(c_p)]); + h = &(bdt->hash[six]); ASSERT(h); ASSERT(h->item); @@ -1051,6 +1083,8 @@ erts_trace_time_call(Process* c_p, ErtsCodeInfo *info, BpDataTime* bdt) pbt->ci = info; pbt->time = time; + + release_bp_sched_ix(six); } void @@ -1061,6 +1095,7 @@ erts_trace_time_return(Process *p, ErtsCodeInfo *ci) bp_data_time_item_t sitem, *item = NULL; bp_time_hash_t *h = NULL; BpDataTime *pbdt = NULL; + Uint32 six = acquire_bp_sched_ix(p); ASSERT(p); ASSERT(erts_smp_atomic32_read_acqb(&p->state) & (ERTS_PSFLG_RUNNING @@ -1081,6 +1116,7 @@ erts_trace_time_return(Process *p, ErtsCodeInfo *ci) */ if (pbt) { + /* might have been removed due to * trace_pattern(false) */ @@ -1095,7 +1131,8 @@ erts_trace_time_return(Process *p, ErtsCodeInfo *ci) /* beware, the trace_pattern might have been removed */ if (pbdt) { - h = &(pbdt->hash[bp_sched2ix_proc(p)]); + + h = &(pbdt->hash[six]); ASSERT(h); ASSERT(h->item); @@ -1106,11 +1143,15 @@ erts_trace_time_return(Process *p, ErtsCodeInfo *ci) } else { BP_TIME_ADD(item, &sitem); } + } pbt->ci = ci; pbt->time = time; + } + + release_bp_sched_ix(six); } int @@ -1362,6 +1403,7 @@ void erts_schedule_time_break(Process *p, Uint schedule) { bp_data_time_item_t sitem, *item = NULL; bp_time_hash_t *h = NULL; BpDataTime *pbdt = NULL; + Uint32 six = acquire_bp_sched_ix(p); ASSERT(p); @@ -1384,7 +1426,7 @@ void erts_schedule_time_break(Process *p, Uint schedule) { sitem.pid = p->common.id; sitem.count = 0; - h = &(pbdt->hash[bp_sched2ix_proc(p)]); + h = &(pbdt->hash[six]); ASSERT(h); ASSERT(h->item); @@ -1410,6 +1452,8 @@ void erts_schedule_time_break(Process *p, Uint schedule) { break; } } /* pbt */ + + release_bp_sched_ix(six); } /* ************************************************************************* @@ -1526,7 +1570,11 @@ set_function_break(ErtsCodeInfo *ci, Binary *match_spec, Uint break_flags, ASSERT((bp->flags & ERTS_BPF_TIME_TRACE) == 0); bdt = Alloc(sizeof(BpDataTime)); erts_refc_init(&bdt->refc, 1); - bdt->n = erts_no_total_schedulers; +#ifdef ERTS_DIRTY_SCHEDULERS + bdt->n = erts_no_schedulers + 1; +#else + bdt->n = erts_no_schedulers; +#endif bdt->hash = Alloc(sizeof(bp_time_hash_t)*(bdt->n)); for (i = 0; i < bdt->n; i++) { bp_hash_init(&(bdt->hash[i]), 32); diff --git a/erts/emulator/beam/beam_bp.h b/erts/emulator/beam/beam_bp.h index 224b46407d..cccd395e0a 100644 --- a/erts/emulator/beam/beam_bp.h +++ b/erts/emulator/beam/beam_bp.h @@ -79,10 +79,8 @@ typedef struct generic_bp { #define ERTS_BP_CALL_TIME_SCHEDULE_OUT (1) #define ERTS_BP_CALL_TIME_SCHEDULE_EXITING (2) -#ifdef ERTS_SMP -#define bp_sched2ix_proc(p) (erts_proc_sched_data(p)->thr_id - 1) -#else -#define bp_sched2ix_proc(p) (0) +#ifdef ERTS_DIRTY_SCHEDULERS +extern erts_smp_mtx_t erts_dirty_bp_ix_mtx; #endif enum erts_break_op{ diff --git a/erts/emulator/beam/erl_bif_trace.c b/erts/emulator/beam/erl_bif_trace.c index b1c2c427b0..a480754bdb 100644 --- a/erts/emulator/beam/erl_bif_trace.c +++ b/erts/emulator/beam/erl_bif_trace.c @@ -1061,9 +1061,16 @@ trace_info_func(Process* p, Eterm func_spec, Eterm key) erts_smp_thr_progress_block(); } #endif +#ifdef ERTS_DIRTY_SCHEDULERS + erts_smp_mtx_lock(&erts_dirty_bp_ix_mtx); +#endif + r = function_is_traced(p, mfa, &ms, &ms_meta, &meta, &count, &call_time); +#ifdef ERTS_DIRTY_SCHEDULERS + erts_smp_mtx_unlock(&erts_dirty_bp_ix_mtx); +#endif #ifdef ERTS_SMP if ( (key == am_call_time) || (key == am_all)) { erts_smp_thr_progress_unblock(); diff --git a/erts/emulator/beam/erl_lock_check.c b/erts/emulator/beam/erl_lock_check.c index 5f2a687f74..08dcbed91c 100644 --- a/erts/emulator/beam/erl_lock_check.c +++ b/erts/emulator/beam/erl_lock_check.c @@ -128,6 +128,7 @@ static erts_lc_lock_order_t erts_lock_order[] = { #ifdef ERTS_DIRTY_SCHEDULERS { "dirty_run_queue_sleep_list", "address" }, { "dirty_gc_info", NULL }, + { "dirty_break_point_index", NULL }, #endif { "process_table", NULL }, { "cpu_info", NULL }, |