diff options
Diffstat (limited to 'erts/emulator/beam/erl_process.c')
-rw-r--r-- | erts/emulator/beam/erl_process.c | 120 |
1 files changed, 70 insertions, 50 deletions
diff --git a/erts/emulator/beam/erl_process.c b/erts/emulator/beam/erl_process.c index 88fae30845..a56ef4aedb 100644 --- a/erts/emulator/beam/erl_process.c +++ b/erts/emulator/beam/erl_process.c @@ -1,7 +1,7 @@ /* * %CopyrightBegin% * - * Copyright Ericsson AB 1996-2016. All Rights Reserved. + * Copyright Ericsson AB 1996-2017. 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. @@ -194,7 +194,10 @@ static UWord thr_prgr_later_cleanup_op_threshold = ERTS_THR_PRGR_LATER_CLEANUP_O ErtsPTab erts_proc erts_align_attribute(ERTS_CACHE_LINE_SIZE); int erts_sched_thread_suggested_stack_size = -1; - +#ifdef ERTS_DIRTY_SCHEDULERS +int erts_dcpu_sched_thread_suggested_stack_size = -1; +int erts_dio_sched_thread_suggested_stack_size = -1; +#endif #ifdef ERTS_ENABLE_LOCK_CHECK ErtsLcPSDLocks erts_psd_required_locks[ERTS_PSD_SIZE]; #endif @@ -280,6 +283,7 @@ schdlr_sspnd_get_nscheds(ErtsSchedTypeCounters *valp, } } +#ifdef DEBUG static ERTS_INLINE Uint32 schdlr_sspnd_get_nscheds_tot(ErtsSchedTypeCounters *valp) { @@ -290,6 +294,7 @@ schdlr_sspnd_get_nscheds_tot(ErtsSchedTypeCounters *valp) #endif return res; } +#endif static ERTS_INLINE void schdlr_sspnd_dec_nscheds(ErtsSchedTypeCounters *valp, @@ -560,7 +565,6 @@ static int stack_element_dump(fmtfn_t to, void *to_arg, Eterm* sp, int yreg); static void aux_work_timeout(void *unused); static void aux_work_timeout_early_init(int no_schedulers); -static void aux_work_timeout_late_init(void); static void setup_aux_work_timer(ErtsSchedulerData *esdp); static int execute_sys_tasks(Process *c_p, @@ -2790,6 +2794,9 @@ typedef struct { int initialized; erts_atomic32_t refc; +#ifdef DEBUG + erts_atomic32_t used; +#endif erts_atomic32_t type[1]; } ErtsAuxWorkTmo; @@ -2799,6 +2806,13 @@ static ERTS_INLINE void start_aux_work_timer(ErtsSchedulerData *esdp) { ErtsMonotonicTime tmo = erts_get_monotonic_time(esdp); +#ifdef DEBUG + Uint no = (Uint) erts_atomic32_xchg_mb(&aux_work_tmo->used, + (erts_aint32_t) esdp->no); + ASSERT(esdp->type == ERTS_SCHED_NORMAL); + ASSERT(!no); +#endif + tmo = ERTS_MONOTONIC_TO_CLKTCKS(tmo-1); tmo += ERTS_MSEC_TO_CLKTCKS(1000) + 1; erts_twheel_init_timer(&aux_work_tmo->timer.data); @@ -2806,7 +2820,6 @@ start_aux_work_timer(ErtsSchedulerData *esdp) erts_twheel_set_timer(esdp->timer_wheel, &aux_work_tmo->timer.data, aux_work_timeout, - NULL, (void *) esdp, tmo); } @@ -2835,16 +2848,19 @@ aux_work_timeout_early_init(int no_schedulers) aux_work_tmo = (ErtsAuxWorkTmo *) p; aux_work_tmo->initialized = 0; erts_atomic32_init_nob(&aux_work_tmo->refc, 0); +#ifdef DEBUG + erts_atomic32_init_nob(&aux_work_tmo->used, 0); +#endif for (i = 0; i <= no_schedulers; i++) erts_atomic32_init_nob(&aux_work_tmo->type[i], 0); } void -aux_work_timeout_late_init(void) +erts_aux_work_timeout_late_init(ErtsSchedulerData *esdp) { aux_work_tmo->initialized = 1; - if (erts_atomic32_read_nob(&aux_work_tmo->refc)) - start_aux_work_timer(erts_get_scheduler_data()); + if (erts_atomic32_read_acqb(&aux_work_tmo->refc)) + start_aux_work_timer(esdp); } static void @@ -2852,6 +2868,13 @@ aux_work_timeout(void *vesdp) { erts_aint32_t refc; int i; +#ifdef DEBUG + ErtsSchedulerData *esdp = erts_get_scheduler_data(); + Uint no = (Uint) erts_atomic32_xchg_mb(&aux_work_tmo->used, 0); + ASSERT(no == esdp->no); + ASSERT(esdp == (ErtsSchedulerData *) vesdp); +#endif + #ifdef ERTS_SMP i = 0; #else @@ -5947,14 +5970,30 @@ erts_sched_set_wake_cleanup_threshold(char *str) static void init_aux_work_data(ErtsAuxWorkData *awdp, ErtsSchedulerData *esdp, char *dawwp) { - if (!esdp) - awdp->sched_id = 0; + int id = 0; + if (esdp) { + switch (esdp->type) { + case ERTS_SCHED_NORMAL: + id = (int) esdp->no; + break; #ifdef ERTS_DIRTY_SCHEDULERS - else if (ERTS_SCHEDULER_IS_DIRTY(esdp)) - awdp->sched_id = (int) ERTS_DIRTY_SCHEDULER_NO(esdp); + case ERTS_SCHED_DIRTY_CPU: + id = (int) erts_no_schedulers; + id += (int) esdp->dirty_no; + break; + case ERTS_SCHED_DIRTY_IO: + id = (int) erts_no_schedulers; + id += (int) erts_no_dirty_cpu_schedulers; + id += (int) esdp->dirty_no; + break; #endif - else - awdp->sched_id = (int) esdp->no; + default: + ERTS_INTERNAL_ERROR("Invalid scheduler type"); + break; + } + } + + awdp->sched_id = id; awdp->esdp = esdp; awdp->ssi = esdp ? esdp->ssi : NULL; #ifdef ERTS_SMP @@ -6027,7 +6066,7 @@ init_scheduler_data(ErtsSchedulerData* esdp, int num, ASSERT(runq == ERTS_DIRTY_IO_RUNQ); esdp->type = ERTS_SCHED_DIRTY_IO; } - ERTS_DIRTY_SCHEDULER_NO(esdp) = (Uint) num; + esdp->dirty_no = (Uint) num; if (num == 1) { /* * Multi-scheduling block functionality depends @@ -6039,7 +6078,7 @@ init_scheduler_data(ErtsSchedulerData* esdp, int num, else { esdp->type = ERTS_SCHED_NORMAL; esdp->no = (Uint) num; - ERTS_DIRTY_SCHEDULER_NO(esdp) = 0; + esdp->dirty_no = 0; runq->scheduler = esdp; } esdp->dirty_shadow_process = shadow_proc; @@ -6055,6 +6094,7 @@ init_scheduler_data(ErtsSchedulerData* esdp, int num, runq->scheduler = esdp; esdp->run_queue = runq; esdp->no = (Uint) num; + esdp->type = ERTS_SCHED_NORMAL; #endif esdp->ssi = ssi; @@ -6449,8 +6489,6 @@ erts_init_scheduling(int no_schedulers, int no_schedulers_online /* init port tasks */ erts_port_task_init(); - aux_work_timeout_late_init(); - #ifndef ERTS_SMP #ifdef ERTS_DO_VERIFY_UNUSED_TEMP_ALLOC erts_scheduler_data->verify_unused_temp_alloc @@ -7776,11 +7814,11 @@ suspend_scheduler(ErtsSchedulerData *esdp) break; case ERTS_SCHED_DIRTY_CPU: online_flag = ERTS_SCHDLR_SSPND_CHNG_DCPU_ONLN; - no = ERTS_DIRTY_SCHEDULER_NO(esdp); + no = esdp->dirty_no; break; case ERTS_SCHED_DIRTY_IO: online_flag = 0; - no = ERTS_DIRTY_SCHEDULER_NO(esdp); + no = esdp->dirty_no; break; default: ERTS_INTERNAL_ERROR("Invalid scheduler type"); @@ -8515,8 +8553,9 @@ erts_block_multi_scheduling(Process *p, ErtsProcLocks plocks, int on, int normal p->flags |= have_blckd_flg; goto wait_until_msb; } - else if (msbp->blckrs) { - ASSERT(msbp->ongoing); + else if (msbp->blckrs || (normal && erts_no_schedulers == 1)) { + ASSERT(!msbp->blckrs || msbp->ongoing); + msbp->ongoing = 1; plp = proclist_create(p); erts_proclist_store_last(&msbp->blckrs, plp); p->flags |= have_blckd_flg; @@ -8530,7 +8569,7 @@ erts_block_multi_scheduling(Process *p, ErtsProcLocks plocks, int on, int normal else res = ERTS_SCHDLR_SSPND_DONE_NMSCHED_BLOCKED; } - else { + else { int online = (int) schdlr_sspnd_get_nscheds(&schdlr_sspnd.online, ERTS_SCHED_NORMAL); ASSERT(!msbp->ongoing); @@ -8735,6 +8774,9 @@ sched_thread_func(void *vesdp) erts_sched_init_time_sup(esdp); + if (no == 1) + erts_aux_work_timeout_late_init(esdp); + (void) ERTS_RUNQ_FLGS_SET_NOB(esdp->run_queue, ERTS_RUNQ_FLG_EXEC); @@ -8804,8 +8846,7 @@ sched_dirty_cpu_thread_func(void *vesdp) { ErtsThrPrgrCallbacks callbacks; ErtsSchedulerData *esdp = vesdp; - Uint no = ERTS_DIRTY_SCHEDULER_NO(esdp); - ERTS_DIRTY_SCHEDULER_TYPE(esdp) = ERTS_DIRTY_CPU_SCHEDULER; + Uint no = esdp->dirty_no; ASSERT(no != 0); ERTS_DIRTY_CPU_SCHED_SLEEP_INFO_IX(no-1)->event = erts_tse_fetch(); callbacks.arg = (void *) esdp->ssi; @@ -8853,8 +8894,7 @@ sched_dirty_io_thread_func(void *vesdp) { ErtsThrPrgrCallbacks callbacks; ErtsSchedulerData *esdp = vesdp; - Uint no = ERTS_DIRTY_SCHEDULER_NO(esdp); - ERTS_DIRTY_SCHEDULER_TYPE(esdp) = ERTS_DIRTY_IO_SCHEDULER; + Uint no = esdp->dirty_no; ASSERT(no != 0); ERTS_DIRTY_IO_SCHED_SLEEP_INFO_IX(no-1)->event = erts_tse_fetch(); callbacks.arg = (void *) esdp->ssi; @@ -8962,6 +9002,7 @@ erts_start_schedulers(void) for (ix = 0; ix < erts_no_dirty_cpu_schedulers; ix++) { ErtsSchedulerData *esdp = ERTS_DIRTY_CPU_SCHEDULER_IX(ix); erts_snprintf(opts.name, 16, "%d_dirty_cpu_scheduler", ix + 1); + opts.suggested_stack_size = erts_dcpu_sched_thread_suggested_stack_size; res = ethr_thr_create(&esdp->tid,sched_dirty_cpu_thread_func,(void*)esdp,&opts); if (res != 0) erts_exit(ERTS_ERROR_EXIT, "Failed to create dirty cpu scheduler thread %d\n", ix); @@ -8969,6 +9010,7 @@ erts_start_schedulers(void) for (ix = 0; ix < erts_no_dirty_io_schedulers; ix++) { ErtsSchedulerData *esdp = ERTS_DIRTY_IO_SCHEDULER_IX(ix); erts_snprintf(opts.name, 16, "%d_dirty_io_scheduler", ix + 1); + opts.suggested_stack_size = erts_dio_sched_thread_suggested_stack_size; res = ethr_thr_create(&esdp->tid,sched_dirty_io_thread_func,(void*)esdp,&opts); if (res != 0) erts_exit(ERTS_ERROR_EXIT, "Failed to create dirty io scheduler thread %d\n", ix); @@ -11359,7 +11401,7 @@ erts_execute_dirty_system_task(Process *c_p) switch (st->type) { case ERTS_PSTT_CLA: - ASSERT(is_value(st_res)); + ASSERT(is_value(cla_res)); st_res = cla_res; break; case ERTS_PSTT_GC_MAJOR: @@ -12412,9 +12454,6 @@ erl_create_process(Process* parent, /* Parent of process (default group leader). p->msg_inq.len = 0; #endif p->bif_timers = NULL; -#ifdef ERTS_BTM_ACCESSOR_SUPPORT - p->accessor_bif_timers = NULL; -#endif p->mbuf = NULL; p->msg_frag = NULL; p->mbuf_sz = 0; @@ -12613,9 +12652,6 @@ void erts_init_empty_process(Process *p) p->msg.save = &p->msg.first; p->msg.len = 0; p->bif_timers = NULL; -#ifdef ERTS_BTM_ACCESSOR_SUPPORT - p->accessor_bif_timers = NULL; -#endif p->dictionary = NULL; p->seq_trace_clock = 0; p->seq_trace_lastcnt = 0; @@ -12716,9 +12752,6 @@ erts_debug_verify_clean_empty_process(Process* p) ASSERT(p->msg.first == NULL); ASSERT(p->msg.len == 0); ASSERT(p->bif_timers == NULL); -#ifdef ERTS_BTM_ACCESSOR_SUPPORT - ASSERT(p->accessor_bif_timers == NULL); -#endif ASSERT(p->dictionary == NULL); ASSERT(p->catches == 0); ASSERT(p->cp == NULL); @@ -13784,7 +13817,7 @@ erts_continue_exit_process(Process *p) ASSERT(erts_proc_read_refc(p) > 0); if (p->bif_timers) { - if (erts_cancel_bif_timers(p, p->bif_timers, &p->u.terminate)) { + if (erts_cancel_bif_timers(p, &p->bif_timers, &p->u.terminate)) { ASSERT(erts_proc_read_refc(p) > 0); goto yield; } @@ -13792,19 +13825,6 @@ erts_continue_exit_process(Process *p) p->bif_timers = NULL; } -#ifdef ERTS_BTM_ACCESSOR_SUPPORT - if (p->accessor_bif_timers) { - if (erts_detach_accessor_bif_timers(p, - p->accessor_bif_timers, - &p->u.terminate)) { - ASSERT(erts_proc_read_refc(p) > 0); - goto yield; - } - ASSERT(erts_proc_read_refc(p) > 0); - p->accessor_bif_timers = NULL; - } -#endif - #ifdef ERTS_SMP if (p->flags & F_SCHDLR_ONLN_WAITQ) abort_sched_onln_chng_waitq(p); |