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Diffstat (limited to 'erts/emulator/beam/erl_process.c')
-rw-r--r--erts/emulator/beam/erl_process.c111
1 files changed, 63 insertions, 48 deletions
diff --git a/erts/emulator/beam/erl_process.c b/erts/emulator/beam/erl_process.c
index 88fae30845..f35c5e04a2 100644
--- a/erts/emulator/beam/erl_process.c
+++ b/erts/emulator/beam/erl_process.c
@@ -280,6 +280,7 @@ schdlr_sspnd_get_nscheds(ErtsSchedTypeCounters *valp,
}
}
+#ifdef DEBUG
static ERTS_INLINE Uint32
schdlr_sspnd_get_nscheds_tot(ErtsSchedTypeCounters *valp)
{
@@ -290,6 +291,7 @@ schdlr_sspnd_get_nscheds_tot(ErtsSchedTypeCounters *valp)
#endif
return res;
}
+#endif
static ERTS_INLINE void
schdlr_sspnd_dec_nscheds(ErtsSchedTypeCounters *valp,
@@ -560,7 +562,6 @@ 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 +2791,9 @@ typedef struct {
int initialized;
erts_atomic32_t refc;
+#ifdef DEBUG
+ erts_atomic32_t used;
+#endif
erts_atomic32_t type[1];
} ErtsAuxWorkTmo;
@@ -2799,6 +2803,13 @@ 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 +2817,6 @@ 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 +2845,19 @@ 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 +2865,13 @@ 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 +5967,30 @@ 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 +6063,7 @@ 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 +6075,7 @@ 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 +6091,7 @@ 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 +6486,6 @@ 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 +7811,11 @@ 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 +8550,9 @@ 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 +8566,7 @@ 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 +8771,9 @@ 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 +8843,7 @@ 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 +8891,7 @@ 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;
@@ -11359,7 +11396,7 @@ 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 +12449,6 @@ 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 +12647,6 @@ 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 +12747,6 @@ 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 +13812,7 @@ 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 +13820,6 @@ 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);