diff options
Diffstat (limited to 'erts/emulator/beam/erl_process.c')
-rw-r--r-- | erts/emulator/beam/erl_process.c | 65 |
1 files changed, 50 insertions, 15 deletions
diff --git a/erts/emulator/beam/erl_process.c b/erts/emulator/beam/erl_process.c index 09169ba914..f8b0da1154 100644 --- a/erts/emulator/beam/erl_process.c +++ b/erts/emulator/beam/erl_process.c @@ -43,6 +43,9 @@ #include "erl_async.h" #include "dtrace-wrapper.h" +#define ERTS_DELAYED_WAKEUP_INFINITY (~(Uint64) 0) +#define ERTS_DELAYED_WAKEUP_REDUCTIONS ((Uint64) CONTEXT_REDS/2) + #define ERTS_RUNQ_CHECK_BALANCE_REDS_PER_SCHED (2000*CONTEXT_REDS) #define ERTS_RUNQ_CALL_CHECK_BALANCE_REDS \ (ERTS_RUNQ_CHECK_BALANCE_REDS_PER_SCHED/2) @@ -1176,9 +1179,15 @@ haw_thr_prgr_current_check_progress(ErtsAuxWorkData *awdp) } static ERTS_INLINE erts_aint32_t -handle_delayed_aux_work_wakeup(ErtsAuxWorkData *awdp, erts_aint32_t aux_work) +handle_delayed_aux_work_wakeup(ErtsAuxWorkData *awdp, erts_aint32_t aux_work, int waiting) { int jix, max_jix; + + ASSERT(awdp->delayed_wakeup.next != ERTS_DELAYED_WAKEUP_INFINITY); + + if (!waiting && awdp->delayed_wakeup.next > awdp->esdp->reductions) + return aux_work; + unset_aux_work_flags(awdp->ssi, ERTS_SSI_AUX_WORK_DELAYED_AW_WAKEUP); ERTS_THR_MEMORY_BARRIER; @@ -1194,11 +1203,14 @@ handle_delayed_aux_work_wakeup(ErtsAuxWorkData *awdp, erts_aint32_t aux_work) set_aux_work_flags_wakeup_nob(ERTS_SCHED_SLEEP_INFO_IX(sched-1), aux_work); } + awdp->delayed_wakeup.next = ERTS_DELAYED_WAKEUP_INFINITY; return aux_work & ~ERTS_SSI_AUX_WORK_DELAYED_AW_WAKEUP; } static ERTS_INLINE void -schedule_aux_work_wakeup(ErtsAuxWorkData *awdp, int sched, erts_aint32_t aux_work) +schedule_aux_work_wakeup(ErtsAuxWorkData *awdp, + int sched, + erts_aint32_t aux_work) { int jix = awdp->delayed_wakeup.sched2jix[sched]; if (jix >= 0) { @@ -1211,7 +1223,20 @@ schedule_aux_work_wakeup(ErtsAuxWorkData *awdp, int sched, erts_aint32_t aux_wor awdp->delayed_wakeup.job[jix].sched = sched; awdp->delayed_wakeup.job[jix].aux_work = aux_work; } - set_aux_work_flags_wakeup_nob(awdp->ssi, ERTS_SSI_AUX_WORK_DELAYED_AW_WAKEUP); + + if (awdp->delayed_wakeup.next != ERTS_DELAYED_WAKEUP_INFINITY) { + ASSERT(erts_atomic32_read_nob(&awdp->ssi->aux_work) + & ERTS_SSI_AUX_WORK_DELAYED_AW_WAKEUP); + } + else { + awdp->delayed_wakeup.next = (awdp->esdp->reductions + + ERTS_DELAYED_WAKEUP_REDUCTIONS); + + ASSERT(!(erts_atomic32_read_nob(&awdp->ssi->aux_work) + & ERTS_SSI_AUX_WORK_DELAYED_AW_WAKEUP)); + set_aux_work_flags_wakeup_nob(awdp->ssi, + ERTS_SSI_AUX_WORK_DELAYED_AW_WAKEUP); + } } #endif @@ -1290,7 +1315,8 @@ misc_aux_work_clean(ErtsThrQ_t *q, static ERTS_INLINE erts_aint32_t handle_misc_aux_work(ErtsAuxWorkData *awdp, - erts_aint32_t aux_work) + erts_aint32_t aux_work, + int waiting) { ErtsThrQ_t *q = &misc_aux_work_queues[awdp->sched_id].q; @@ -1310,7 +1336,8 @@ handle_misc_aux_work(ErtsAuxWorkData *awdp, static ERTS_INLINE erts_aint32_t handle_misc_aux_work_thr_prgr(ErtsAuxWorkData *awdp, - erts_aint32_t aux_work) + erts_aint32_t aux_work, + int waiting) { if (!erts_thr_progress_has_reached_this(haw_thr_prgr_current(awdp), awdp->misc.thr_prgr)) @@ -1389,7 +1416,8 @@ erts_notify_check_async_ready_queue(void *vno) static ERTS_INLINE erts_aint32_t handle_async_ready(ErtsAuxWorkData *awdp, - erts_aint32_t aux_work) + erts_aint32_t aux_work, + int waiting) { ErtsSchedulerSleepInfo *ssi = awdp->ssi; unset_aux_work_flags(ssi, ERTS_SSI_AUX_WORK_ASYNC_READY); @@ -1411,7 +1439,8 @@ handle_async_ready(ErtsAuxWorkData *awdp, static ERTS_INLINE erts_aint32_t handle_async_ready_clean(ErtsAuxWorkData *awdp, - erts_aint32_t aux_work) + erts_aint32_t aux_work, + int waiting) { void *thr_prgr_p; @@ -1448,7 +1477,7 @@ handle_async_ready_clean(ErtsAuxWorkData *awdp, static ERTS_INLINE erts_aint32_t -handle_fix_alloc(ErtsAuxWorkData *awdp, erts_aint32_t aux_work) +handle_fix_alloc(ErtsAuxWorkData *awdp, erts_aint32_t aux_work, int waiting) { ErtsSchedulerSleepInfo *ssi = awdp->ssi; erts_aint32_t res; @@ -1482,7 +1511,7 @@ erts_alloc_notify_delayed_dealloc(int ix) } static ERTS_INLINE erts_aint32_t -handle_delayed_dealloc(ErtsAuxWorkData *awdp, erts_aint32_t aux_work) +handle_delayed_dealloc(ErtsAuxWorkData *awdp, erts_aint32_t aux_work, int waiting) { ErtsSchedulerSleepInfo *ssi = awdp->ssi; int need_thr_progress = 0; @@ -1520,7 +1549,7 @@ handle_delayed_dealloc(ErtsAuxWorkData *awdp, erts_aint32_t aux_work) } static ERTS_INLINE erts_aint32_t -handle_delayed_dealloc_thr_prgr(ErtsAuxWorkData *awdp, erts_aint32_t aux_work) +handle_delayed_dealloc_thr_prgr(ErtsAuxWorkData *awdp, erts_aint32_t aux_work, int waiting) { ErtsSchedulerSleepInfo *ssi; int need_thr_progress; @@ -1719,7 +1748,7 @@ erts_smp_notify_check_children_needed(void) } static ERTS_INLINE erts_aint32_t -handle_check_children(ErtsAuxWorkData *awdp, erts_aint32_t aux_work) +handle_check_children(ErtsAuxWorkData *awdp, erts_aint32_t aux_work, int waiting) { unset_aux_work_flags(awdp->ssi, ERTS_SSI_AUX_WORK_CHECK_CHILDREN); erts_check_children(); @@ -1742,7 +1771,7 @@ erts_smp_atomic32_t erts_halt_progress; int erts_halt_code; static ERTS_INLINE erts_aint32_t -handle_reap_ports(ErtsAuxWorkData *awdp, erts_aint32_t aux_work) +handle_reap_ports(ErtsAuxWorkData *awdp, erts_aint32_t aux_work, int waiting) { unset_aux_work_flags(awdp->ssi, ERTS_SSI_AUX_WORK_REAP_PORTS); awdp->esdp->run_queue->halt_in_progress = 1; @@ -1790,7 +1819,7 @@ handle_reap_ports(ErtsAuxWorkData *awdp, erts_aint32_t aux_work) #if HAVE_ERTS_MSEG static ERTS_INLINE erts_aint32_t -handle_mseg_cache_check(ErtsAuxWorkData *awdp, erts_aint32_t aux_work) +handle_mseg_cache_check(ErtsAuxWorkData *awdp, erts_aint32_t aux_work, int waiting) { unset_aux_work_flags(awdp->ssi, ERTS_SSI_AUX_WORK_MSEG_CACHE_CHECK); erts_mseg_cache_check(); @@ -1800,7 +1829,7 @@ handle_mseg_cache_check(ErtsAuxWorkData *awdp, erts_aint32_t aux_work) #endif static ERTS_INLINE erts_aint32_t -handle_setup_aux_work_timer(ErtsAuxWorkData *awdp, erts_aint32_t aux_work) +handle_setup_aux_work_timer(ErtsAuxWorkData *awdp, erts_aint32_t aux_work, int waiting) { unset_aux_work_flags(awdp->ssi, ERTS_SSI_AUX_WORK_SET_TMO); setup_aux_work_timer(); @@ -1814,7 +1843,7 @@ handle_aux_work(ErtsAuxWorkData *awdp, erts_aint32_t orig_aux_work, int waiting) #define HANDLE_AUX_WORK(FLG, HNDLR) \ ignore |= FLG; \ if (aux_work & FLG) { \ - aux_work = HNDLR(awdp, aux_work); \ + aux_work = HNDLR(awdp, aux_work, waiting); \ ERTS_DBG_CHK_AUX_WORK_VAL(aux_work); \ if (!(aux_work & ~ignore)) { \ ERTS_DBG_CHK_AUX_WORK_VAL(aux_work); \ @@ -4584,6 +4613,7 @@ init_aux_work_data(ErtsAuxWorkData *awdp, ErtsSchedulerData *esdp, char *dawwp) awdp->async_ready.queue = NULL; #endif #ifdef ERTS_SMP + awdp->delayed_wakeup.next = ERTS_DELAYED_WAKEUP_INFINITY; if (!dawwp) { awdp->delayed_wakeup.job = NULL; awdp->delayed_wakeup.sched2jix = NULL; @@ -4778,6 +4808,9 @@ erts_init_scheduling(int no_schedulers, int no_schedulers_online) #ifdef ERTS_SMP daww_ptr += daww_sz; #endif + + esdp->reductions = 0; + init_sched_wall_time(&esdp->sched_wall_time); } @@ -6863,6 +6896,8 @@ Process *schedule(Process *p, int calls) | ERTS_PROC_LOCK_STATUS)); #endif + esdp->reductions += reds; + schedule_out_process(rq, state, p); /* Returns with rq locked! */ ERTS_PROC_REDUCTIONS_EXECUTED(rq, |