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author | Rickard Green <[email protected]> | 2015-06-02 19:50:47 +0200 |
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committer | Rickard Green <[email protected]> | 2015-06-09 19:35:48 +0200 |
commit | f71ce89e2ca069b8526f27aee333deea9209a8b6 (patch) | |
tree | bfa45b29133db7dea457db89e0219c9274f4987d /erts/emulator/beam/erl_process.c | |
parent | 79729c7d95cfc2b163c55071589e83019247c5a1 (diff) | |
download | otp-f71ce89e2ca069b8526f27aee333deea9209a8b6.tar.gz otp-f71ce89e2ca069b8526f27aee333deea9209a8b6.tar.bz2 otp-f71ce89e2ca069b8526f27aee333deea9209a8b6.zip |
Fix test cases
Diffstat (limited to 'erts/emulator/beam/erl_process.c')
-rw-r--r-- | erts/emulator/beam/erl_process.c | 156 |
1 files changed, 111 insertions, 45 deletions
diff --git a/erts/emulator/beam/erl_process.c b/erts/emulator/beam/erl_process.c index 0a8897320d..42aad63f5c 100644 --- a/erts/emulator/beam/erl_process.c +++ b/erts/emulator/beam/erl_process.c @@ -508,6 +508,7 @@ dbg_chk_aux_work_val(erts_aint32_t value) #ifdef ERTS_SSI_AUX_WORK_REAP_PORTS valid |= ERTS_SSI_AUX_WORK_REAP_PORTS; #endif + valid |= ERTS_SSI_AUX_WORK_DEBUG_WAIT_COMPLETED; if (~valid & value) erl_exit(ERTS_ABORT_EXIT, @@ -1193,11 +1194,11 @@ set_aux_work_flags_wakeup_nob(ErtsSchedulerSleepInfo *ssi, ERTS_DBG_CHK_SSI_AUX_WORK(ssi); old_flgs = erts_atomic32_read_nob(&ssi->aux_work); - if ((old_flgs & flgs) == 0) { + if ((old_flgs & flgs) != flgs) { old_flgs = erts_atomic32_read_bor_nob(&ssi->aux_work, flgs); - if ((old_flgs & flgs) == 0) { + if ((old_flgs & flgs) != flgs) { #ifdef ERTS_SMP erts_sched_poke(ssi); #else @@ -1217,7 +1218,7 @@ set_aux_work_flags_wakeup_relb(ErtsSchedulerSleepInfo *ssi, old_flgs = erts_atomic32_read_bor_relb(&ssi->aux_work, flgs); - if ((old_flgs & flgs) == 0) { + if ((old_flgs & flgs) != flgs) { #ifdef ERTS_SMP erts_sched_poke(ssi); #else @@ -1715,11 +1716,6 @@ handle_delayed_dealloc(ErtsAuxWorkData *awdp, erts_aint32_t aux_work, int waitin awdp->dd.thr_prgr = wakeup; haw_thr_prgr_soft_wakeup(awdp, wakeup); } - else if (awdp->dd.completed_callback) { - awdp->dd.completed_callback(awdp->dd.completed_arg); - awdp->dd.completed_callback = NULL; - awdp->dd.completed_arg = NULL; - } return aux_work & ~ERTS_SSI_AUX_WORK_DD; } @@ -1761,11 +1757,6 @@ handle_delayed_dealloc_thr_prgr(ErtsAuxWorkData *awdp, erts_aint32_t aux_work, i } else { unset_aux_work_flags(ssi, ERTS_SSI_AUX_WORK_DD_THR_PRGR); - if (awdp->dd.completed_callback) { - awdp->dd.completed_callback(awdp->dd.completed_arg); - awdp->dd.completed_callback = NULL; - awdp->dd.completed_arg = NULL; - } } return aux_work & ~ERTS_SSI_AUX_WORK_DD_THR_PRGR; @@ -1955,78 +1946,142 @@ erts_schedule_thr_prgr_later_cleanup_op(void (*later_func)(void *), #endif } -#ifdef ERTS_SMP +static ERTS_INLINE erts_aint32_t +handle_debug_wait_completed(ErtsAuxWorkData *awdp, erts_aint32_t aux_work, int waiting) +{ + ErtsSchedulerSleepInfo *ssi = awdp->ssi; + erts_aint32_t saved_aux_work, flags; + +#ifdef ERTS_DIRTY_SCHEDULERS + ASSERT(!awdp->esdp || !ERTS_SCHEDULER_IS_DIRTY(awdp->esdp)); +#endif + + flags = awdp->debug.wait_completed.flags; + + if (aux_work & flags) + return aux_work; -static erts_atomic32_t completed_dealloc_count; + saved_aux_work = erts_atomic32_read_acqb(&ssi->aux_work); + + if (saved_aux_work & flags) + return aux_work & ~ERTS_SSI_AUX_WORK_DEBUG_WAIT_COMPLETED; + + awdp->debug.wait_completed.callback(awdp->debug.wait_completed.arg); + + awdp->debug.wait_completed.flags = 0; + awdp->debug.wait_completed.callback = NULL; + awdp->debug.wait_completed.arg = NULL; + + unset_aux_work_flags(ssi, ERTS_SSI_AUX_WORK_DEBUG_WAIT_COMPLETED); + + return aux_work & ~ERTS_SSI_AUX_WORK_DEBUG_WAIT_COMPLETED; +} + +static erts_atomic32_t debug_wait_completed_count; +static int debug_wait_completed_flags; static void -completed_dealloc(void *vproc) +thr_debug_wait_completed(void *vproc) { - if (erts_atomic32_dec_read_mb(&completed_dealloc_count) == 0) { + if (erts_atomic32_dec_read_mb(&debug_wait_completed_count) == 0) { erts_resume((Process *) vproc, (ErtsProcLocks) 0); erts_proc_dec_refc((Process *) vproc); } } static void -setup_completed_dealloc(void *vproc) +setup_thr_debug_wait_completed(void *vproc) { ErtsSchedulerData *esdp = erts_get_scheduler_data(); - ErtsAuxWorkData *awdp = (esdp - ? &esdp->aux_work_data - : aux_thread_aux_work_data); - erts_alloc_fix_alloc_shrink(awdp->sched_id, 0); - set_aux_work_flags_wakeup_nob(awdp->ssi, ERTS_SSI_AUX_WORK_DD); - awdp->dd.completed_callback = completed_dealloc; - awdp->dd.completed_arg = vproc; + ErtsAuxWorkData *awdp; + erts_aint32_t wait_flags, aux_work_flags; +#ifdef ERTS_SMP + awdp = esdp ? &esdp->aux_work_data : aux_thread_aux_work_data; +#else + awdp = &esdp->aux_work_data; +#endif + + wait_flags = 0; + aux_work_flags = ERTS_SSI_AUX_WORK_DEBUG_WAIT_COMPLETED; + + if (debug_wait_completed_flags & ERTS_DEBUG_WAIT_COMPLETED_DEALLOCATIONS) { + erts_alloc_fix_alloc_shrink(awdp->sched_id, 0); + wait_flags |= (ERTS_SSI_AUX_WORK_DD + | ERTS_SSI_AUX_WORK_DD_THR_PRGR + | ERTS_SSI_AUX_WORK_THR_PRGR_LATER_OP); +#ifdef ERTS_SMP + aux_work_flags |= ERTS_SSI_AUX_WORK_DD; +#endif + } + + if (debug_wait_completed_flags & ERTS_DEBUG_WAIT_COMPLETED_TIMER_CANCELLATIONS) { + wait_flags |= (ERTS_SSI_AUX_WORK_CNCLD_TMRS + | ERTS_SSI_AUX_WORK_CNCLD_TMRS_THR_PRGR + | ERTS_SSI_AUX_WORK_THR_PRGR_LATER_OP); +#ifdef ERTS_SMP + if (awdp->esdp && !ERTS_SCHEDULER_IS_DIRTY(awdp->esdp)) + aux_work_flags |= ERTS_SSI_AUX_WORK_CNCLD_TMRS; +#endif + } + + set_aux_work_flags_wakeup_nob(awdp->ssi, aux_work_flags); + + awdp->debug.wait_completed.flags = wait_flags; + awdp->debug.wait_completed.callback = thr_debug_wait_completed; + awdp->debug.wait_completed.arg = vproc; } static void -prep_setup_completed_dealloc(void *vproc) +prep_setup_thr_debug_wait_completed(void *vproc) { - erts_aint32_t count = (erts_aint32_t) (erts_no_schedulers+1); - if (erts_atomic32_dec_read_mb(&completed_dealloc_count) == count) { + erts_aint32_t count = (erts_aint32_t) erts_no_schedulers; +#ifdef ERTS_SMP + count += 1; /* aux thread */ +#endif + if (erts_atomic32_dec_read_mb(&debug_wait_completed_count) == count) { /* scheduler threads */ erts_schedule_multi_misc_aux_work(0, erts_no_schedulers, - setup_completed_dealloc, + setup_thr_debug_wait_completed, vproc); +#ifdef ERTS_SMP /* aux_thread */ erts_schedule_misc_aux_work(0, - setup_completed_dealloc, + setup_thr_debug_wait_completed, vproc); +#endif } } -#endif /* ERTS_SMP */ int -erts_debug_wait_deallocations(Process *c_p) +erts_debug_wait_completed(Process *c_p, int flags) { -#ifndef ERTS_SMP - erts_alloc_fix_alloc_shrink(1, 0); - return 1; -#else /* Only one process at a time can do this */ - erts_aint32_t count = (erts_aint32_t) (2*(erts_no_schedulers+1)); - if (0 == erts_atomic32_cmpxchg_mb(&completed_dealloc_count, + erts_aint32_t count = (erts_aint32_t) (2*erts_no_schedulers); +#ifdef ERTS_SMP + count += 2; /* aux thread */ +#endif + if (0 == erts_atomic32_cmpxchg_mb(&debug_wait_completed_count, count, 0)) { + debug_wait_completed_flags = flags; erts_suspend(c_p, ERTS_PROC_LOCK_MAIN, NULL); erts_proc_inc_refc(c_p); /* scheduler threads */ erts_schedule_multi_misc_aux_work(0, erts_no_schedulers, - prep_setup_completed_dealloc, + prep_setup_thr_debug_wait_completed, (void *) c_p); +#ifdef ERTS_SMP /* aux_thread */ erts_schedule_misc_aux_work(0, - prep_setup_completed_dealloc, + prep_setup_thr_debug_wait_completed, (void *) c_p); +#endif return 1; } return 0; -#endif } @@ -2227,6 +2282,14 @@ handle_aux_work(ErtsAuxWorkData *awdp, erts_aint32_t orig_aux_work, int waiting) HANDLE_AUX_WORK(ERTS_SSI_AUX_WORK_REAP_PORTS, handle_reap_ports); + /* + * ERTS_SSI_AUX_WORK_DEBUG_WAIT_COMPLETED *need* to be + * the last flag checked! + */ + + HANDLE_AUX_WORK(ERTS_SSI_AUX_WORK_DEBUG_WAIT_COMPLETED, + handle_debug_wait_completed); + ERTS_DBG_CHK_AUX_WORK_VAL(aux_work); #ifdef ERTS_SMP @@ -5337,8 +5400,6 @@ init_aux_work_data(ErtsAuxWorkData *awdp, ErtsSchedulerData *esdp, char *dawwp) awdp->latest_wakeup = ERTS_THR_PRGR_VAL_FIRST; awdp->misc.thr_prgr = ERTS_THR_PRGR_VAL_WAITING; awdp->dd.thr_prgr = ERTS_THR_PRGR_VAL_WAITING; - awdp->dd.completed_callback = NULL; - awdp->dd.completed_arg = NULL; awdp->cncld_tmrs.thr_prgr = ERTS_THR_PRGR_VAL_WAITING; awdp->later_op.thr_prgr = ERTS_THR_PRGR_VAL_FIRST; awdp->later_op.size = 0; @@ -5369,6 +5430,9 @@ init_aux_work_data(ErtsAuxWorkData *awdp, ErtsSchedulerData *esdp, char *dawwp) awdp->delayed_wakeup.sched2jix[i] = -1; } #endif + awdp->debug.wait_completed.flags = 0; + awdp->debug.wait_completed.callback = NULL; + awdp->debug.wait_completed.arg = NULL; } static void @@ -5677,11 +5741,11 @@ erts_init_scheduling(int no_schedulers, int no_schedulers_online init_swtreq_alloc(); #endif + erts_atomic32_init_nob(&debug_wait_completed_count, 0); /* debug only */ + debug_wait_completed_flags = 0; #ifdef ERTS_SMP - erts_atomic32_init_nob(&completed_dealloc_count, 0); /* debug only */ - aux_thread_aux_work_data = erts_alloc_permanent_cache_aligned(ERTS_ALC_T_SCHDLR_DATA, sizeof(ErtsAuxWorkData)); @@ -12459,6 +12523,8 @@ erts_print_scheduler_info(int to, void *to_arg, ErtsSchedulerData *esdp) { erts_print(to, to_arg, "MSEG_CACHE_CHECK"); break; case ERTS_SSI_AUX_WORK_REAP_PORTS: erts_print(to, to_arg, "REAP_PORTS"); break; + case ERTS_SSI_AUX_WORK_DEBUG_WAIT_COMPLETED: + erts_print(to, to_arg, "DEBUG_WAIT_COMPLETED"); break; default: erts_print(to, to_arg, "UNKNOWN(%d)", flg); break; } |