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-rw-r--r--erts/emulator/beam/bif.c4
-rw-r--r--erts/emulator/beam/erl_bif_info.c3
-rw-r--r--erts/emulator/beam/erl_cpu_topology.c11
-rw-r--r--erts/emulator/beam/erl_init.c9
-rw-r--r--erts/emulator/beam/erl_lock_check.c1
-rw-r--r--erts/emulator/beam/erl_port_task.c2
-rw-r--r--erts/emulator/beam/erl_process.c264
-rw-r--r--erts/emulator/beam/erl_process.h29
-rw-r--r--erts/emulator/beam/global.h2
9 files changed, 69 insertions, 256 deletions
diff --git a/erts/emulator/beam/bif.c b/erts/emulator/beam/bif.c
index 8edc863767..07fdd809f8 100644
--- a/erts/emulator/beam/bif.c
+++ b/erts/emulator/beam/bif.c
@@ -870,8 +870,6 @@ BIF_RETTYPE spawn_opt_1(BIF_ALIST_1)
}
} else if (arg == am_scheduler && is_small(val)) {
Sint scheduler = signed_val(val);
- if (erts_common_run_queue && erts_no_schedulers > 1)
- goto error;
if (scheduler < 0 || erts_no_schedulers < scheduler)
goto error;
so.scheduler = (int) scheduler;
@@ -1475,8 +1473,6 @@ BIF_RETTYPE process_flag_2(BIF_ALIST_2)
ErtsRunQueue *old;
ErtsRunQueue *new;
Sint sched;
- if (erts_common_run_queue && erts_no_schedulers > 1)
- goto error;
if (!is_small(BIF_ARG_2))
goto error;
sched = signed_val(BIF_ARG_2);
diff --git a/erts/emulator/beam/erl_bif_info.c b/erts/emulator/beam/erl_bif_info.c
index d4d5691f62..c50537078b 100644
--- a/erts/emulator/beam/erl_bif_info.c
+++ b/erts/emulator/beam/erl_bif_info.c
@@ -78,7 +78,6 @@ static char erts_system_version[] = ("Erlang " ERLANG_OTP_RELEASE
#ifdef ERTS_SMP
" [smp:%beu:%beu]"
#endif
- " [rq:%beu]"
#ifdef USE_THREADS
" [async-threads:%d]"
#endif
@@ -291,7 +290,7 @@ erts_print_system_version(int to, void *arg, Process *c_p)
#endif
return erts_print(to, arg, erts_system_version
#ifdef ERTS_SMP
- , total, online, erts_no_run_queues
+ , total, online
#else
, 1
#endif
diff --git a/erts/emulator/beam/erl_cpu_topology.c b/erts/emulator/beam/erl_cpu_topology.c
index cc930ba1e3..fe3693d0ca 100644
--- a/erts/emulator/beam/erl_cpu_topology.c
+++ b/erts/emulator/beam/erl_cpu_topology.c
@@ -486,10 +486,7 @@ erts_sched_check_cpu_bind_post_suspend(ErtsSchedulerData *esdp)
erts_thr_set_main_status(1, (int) esdp->no);
/* Make sure we check if we should bind to a cpu or not... */
- if (esdp->run_queue->flags & ERTS_RUNQ_FLG_SHARED_RUNQ)
- erts_smp_atomic32_set_nob(&esdp->chk_cpu_bind, 1);
- else
- esdp->run_queue->flags |= ERTS_RUNQ_FLG_CHK_CPU_BIND;
+ esdp->run_queue->flags |= ERTS_RUNQ_FLG_CHK_CPU_BIND;
}
#endif
@@ -502,11 +499,7 @@ erts_sched_check_cpu_bind(ErtsSchedulerData *esdp)
erts_cpu_groups_callback_list_t *cgcl;
erts_cpu_groups_callback_call_t *cgcc;
#ifdef ERTS_SMP
- if (erts_common_run_queue)
- erts_smp_atomic32_set_nob(&esdp->chk_cpu_bind, 0);
- else {
- esdp->run_queue->flags &= ~ERTS_RUNQ_FLG_CHK_CPU_BIND;
- }
+ esdp->run_queue->flags &= ~ERTS_RUNQ_FLG_CHK_CPU_BIND;
#endif
erts_smp_runq_unlock(esdp->run_queue);
erts_smp_rwmtx_rwlock(&cpuinfo_rwmtx);
diff --git a/erts/emulator/beam/erl_init.c b/erts/emulator/beam/erl_init.c
index 05fa10964a..fa4bab07b8 100644
--- a/erts/emulator/beam/erl_init.c
+++ b/erts/emulator/beam/erl_init.c
@@ -112,7 +112,6 @@ Eterm erts_error_logger_warnings; /* What to map warning logs to, am_error,
int erts_compat_rel;
-static int use_multi_run_queue;
static int no_schedulers;
static int no_schedulers_online;
@@ -253,8 +252,7 @@ erl_init(int ncpu)
erts_init_time();
erts_init_sys_common_misc();
erts_init_process(ncpu);
- erts_init_scheduling(use_multi_run_queue,
- no_schedulers,
+ erts_init_scheduling(no_schedulers,
no_schedulers_online);
erts_init_cpu_topology(); /* Must be after init_scheduling */
erts_alloc_late_init();
@@ -610,7 +608,6 @@ early_init(int *argc, char **argv) /*
char envbuf[21]; /* enough for any 64-bit integer */
size_t envbufsz;
- use_multi_run_queue = 1;
erts_printf_eterm_func = erts_printf_term;
erts_disable_tolerant_timeofday = 0;
display_items = 200;
@@ -1243,12 +1240,8 @@ erl_start(int argc, char **argv)
erts_usage();
}
}
- else if (sys_strcmp("mrq", sub_param) == 0)
- use_multi_run_queue = 1;
else if (sys_strcmp("nsp", sub_param) == 0)
erts_use_sender_punish = 0;
- else if (sys_strcmp("srq", sub_param) == 0)
- use_multi_run_queue = 0;
else if (sys_strcmp("wt", sub_param) == 0) {
arg = get_arg(sub_param+2, argv[i+1], &i);
if (erts_sched_set_wakeup_limit(arg) != 0) {
diff --git a/erts/emulator/beam/erl_lock_check.c b/erts/emulator/beam/erl_lock_check.c
index 0dd99b3aa1..09e85893c3 100644
--- a/erts/emulator/beam/erl_lock_check.c
+++ b/erts/emulator/beam/erl_lock_check.c
@@ -173,7 +173,6 @@ static erts_lc_lock_order_t erts_lock_order[] = {
{ "pix_lock", "address" },
{ "run_queues_lists", NULL },
{ "sched_stat", NULL },
- { "run_queue_sleep_list", "address" },
#endif
{ "async_init_mtx", NULL },
#ifdef ERTS_SMP
diff --git a/erts/emulator/beam/erl_port_task.c b/erts/emulator/beam/erl_port_task.c
index 87b8e5131b..2b5e65b11a 100644
--- a/erts/emulator/beam/erl_port_task.c
+++ b/erts/emulator/beam/erl_port_task.c
@@ -1048,8 +1048,6 @@ erts_port_migrate(Port *prt, int *prt_locked,
ERTS_SMP_LC_CHK_RUNQ_LOCK(from_rq, *from_locked);
ERTS_SMP_LC_CHK_RUNQ_LOCK(to_rq, *to_locked);
- ASSERT(!erts_common_run_queue);
-
if (!*from_locked || !*to_locked) {
if (from_rq < to_rq) {
if (!*to_locked) {
diff --git a/erts/emulator/beam/erl_process.c b/erts/emulator/beam/erl_process.c
index c9905637cb..04926fe283 100644
--- a/erts/emulator/beam/erl_process.c
+++ b/erts/emulator/beam/erl_process.c
@@ -195,8 +195,6 @@ do { \
erts_sched_stat_t erts_sched_stat;
-ErtsRunQueue *erts_common_run_queue;
-
#ifdef USE_THREADS
static erts_tsd_key_t sched_data_key;
#endif
@@ -1723,21 +1721,12 @@ scheduler_wait(int *fcalls, ErtsSchedulerData *esdp, ErtsRunQueue *rq)
ERTS_SMP_LC_ASSERT(erts_smp_lc_runq_is_locked(rq));
- erts_smp_spin_lock(&rq->sleepers.lock);
flgs = sched_prep_spin_wait(ssi);
if (flgs & ERTS_SSI_FLG_SUSPENDED) {
/* Go suspend instead... */
- erts_smp_spin_unlock(&rq->sleepers.lock);
return;
}
- ssi->prev = NULL;
- ssi->next = rq->sleepers.list;
- if (rq->sleepers.list)
- rq->sleepers.list->prev = ssi;
- rq->sleepers.list = ssi;
- erts_smp_spin_unlock(&rq->sleepers.lock);
-
/*
* If all schedulers are waiting, one of them *should*
* be waiting in erl_sys_schedule()
@@ -1996,10 +1985,10 @@ ssi_flags_set_wake(ErtsSchedulerSleepInfo *ssi)
}
static void
-wake_scheduler(ErtsRunQueue *rq, int incq, int one)
+wake_scheduler(ErtsRunQueue *rq, int incq)
{
ErtsSchedulerSleepInfo *ssi;
- ErtsSchedulerSleepList *sl;
+ erts_aint32_t flgs;
/*
* The unlocked run queue is not strictly necessary
@@ -2011,56 +2000,13 @@ wake_scheduler(ErtsRunQueue *rq, int incq, int one)
*/
ERTS_SMP_LC_ASSERT(!erts_smp_lc_runq_is_locked(rq));
- sl = &rq->sleepers;
-
- erts_smp_spin_lock(&sl->lock);
- ssi = sl->list;
- if (!ssi)
- erts_smp_spin_unlock(&sl->lock);
- else if (one) {
- erts_aint32_t flgs;
- if (ssi->prev)
- ssi->prev->next = ssi->next;
- else {
- ASSERT(sl->list == ssi);
- sl->list = ssi->next;
- }
- if (ssi->next)
- ssi->next->prev = ssi->prev;
-
- erts_smp_spin_unlock(&sl->lock);
-
- flgs = ssi_flags_set_wake(ssi);
- erts_sched_finish_poke(ssi, flgs);
-
- if (incq && !erts_common_run_queue && (flgs & ERTS_SSI_FLG_WAITING))
- non_empty_runq(rq);
- }
- else {
- sl->list = NULL;
- erts_smp_spin_unlock(&sl->lock);
+ ssi = rq->scheduler->ssi;
- ERTS_THR_MEMORY_BARRIER;
- do {
- ErtsSchedulerSleepInfo *wake_ssi = ssi;
- ssi = ssi->next;
- erts_sched_finish_poke(wake_ssi, ssi_flags_set_wake(wake_ssi));
- } while (ssi);
- }
-}
+ flgs = ssi_flags_set_wake(ssi);
+ erts_sched_finish_poke(ssi, flgs);
-static void
-wake_all_schedulers(void)
-{
- if (erts_common_run_queue)
- wake_scheduler(erts_common_run_queue, 0, 0);
- else {
- int ix;
- for (ix = 0; ix < erts_no_run_queues; ix++) {
- ErtsRunQueue *rq = ERTS_RUNQ_IX(ix);
- wake_scheduler(rq, 0, 1);
- }
- }
+ if (incq && (flgs & ERTS_SSI_FLG_WAITING))
+ non_empty_runq(rq);
}
#define ERTS_NO_USED_RUNQS_SHIFT 16
@@ -2153,7 +2099,7 @@ chk_wake_sched(ErtsRunQueue *crq, int ix, int activate)
erts_smp_xrunq_unlock(crq, wrq);
}
}
- wake_scheduler(wrq, 0, 1);
+ wake_scheduler(wrq, 0);
return 1;
}
return 0;
@@ -2201,7 +2147,7 @@ smp_notify_inc_runq(ErtsRunQueue *runq)
{
#ifdef ERTS_SMP
if (runq)
- wake_scheduler(runq, 1, 1);
+ wake_scheduler(runq, 1);
#endif
}
@@ -2216,19 +2162,12 @@ erts_sched_notify_check_cpu_bind(void)
{
#ifdef ERTS_SMP
int ix;
- if (erts_common_run_queue) {
- for (ix = 0; ix < erts_no_schedulers; ix++)
- erts_smp_atomic32_set_relb(&ERTS_SCHEDULER_IX(ix)->chk_cpu_bind, 1);
- wake_all_schedulers();
- }
- else {
- for (ix = 0; ix < erts_no_run_queues; ix++) {
- ErtsRunQueue *rq = ERTS_RUNQ_IX(ix);
- erts_smp_runq_lock(rq);
- rq->flags |= ERTS_RUNQ_FLG_CHK_CPU_BIND;
- erts_smp_runq_unlock(rq);
- wake_scheduler(rq, 0, 1);
- };
+ for (ix = 0; ix < erts_no_run_queues; ix++) {
+ ErtsRunQueue *rq = ERTS_RUNQ_IX(ix);
+ erts_smp_runq_lock(rq);
+ rq->flags |= ERTS_RUNQ_FLG_CHK_CPU_BIND;
+ erts_smp_runq_unlock(rq);
+ wake_scheduler(rq, 0);
}
#else
erts_sched_check_cpu_bind(erts_get_scheduler_data());
@@ -2497,7 +2436,7 @@ evacuate_run_queue(ErtsRunQueue *evac_rq, ErtsRunQueue *rq)
if (notify_to_rq)
smp_notify_inc_runq(rq);
- wake_scheduler(evac_rq, 0, 1);
+ wake_scheduler(evac_rq, 0);
}
static int
@@ -2655,9 +2594,6 @@ static int
try_steal_task(ErtsRunQueue *rq)
{
int res, rq_locked, vix, active_rqs, blnc_rqs;
-
- if (erts_common_run_queue)
- return 0;
/*
* We are not allowed to steal jobs to this run queue
@@ -3331,14 +3267,10 @@ init_aux_work_data(ErtsAuxWorkData *awdp, ErtsSchedulerData *esdp)
}
void
-erts_init_scheduling(int mrq, int no_schedulers, int no_schedulers_online)
+erts_init_scheduling(int no_schedulers, int no_schedulers_online)
{
int ix, n, no_ssi;
-#ifndef ERTS_SMP
- mrq = 0;
-#endif
-
init_misc_op_list_alloc();
ASSERT(no_schedulers_online <= no_schedulers);
@@ -3347,7 +3279,7 @@ erts_init_scheduling(int mrq, int no_schedulers, int no_schedulers_online)
/* Create and initialize run queues */
- n = (int) (mrq ? no_schedulers : 1);
+ n = no_schedulers;
erts_aligned_run_queues =
erts_alloc_permanent_cache_aligned(ERTS_ALC_T_RUNQS,
@@ -3372,14 +3304,9 @@ erts_init_scheduling(int mrq, int no_schedulers, int no_schedulers_online)
erts_smp_mtx_init_x(&rq->mtx, "run_queue", make_small(ix + 1));
erts_smp_cnd_init(&rq->cnd);
-#ifdef ERTS_SMP
- erts_smp_spinlock_init(&rq->sleepers.lock, "run_queue_sleep_list");
- rq->sleepers.list = NULL;
-#endif
-
rq->waiting = 0;
rq->woken = 0;
- rq->flags = !mrq ? ERTS_RUNQ_FLG_SHARED_RUNQ : 0;
+ rq->flags = 0;
rq->check_balance_reds = ERTS_RUNQ_CALL_CHECK_BALANCE_REDS;
rq->full_reds_history_sum = 0;
for (rix = 0; rix < ERTS_FULL_REDS_HISTORY_SIZE; rix++) {
@@ -3425,8 +3352,6 @@ erts_init_scheduling(int mrq, int no_schedulers, int no_schedulers_online)
rq->ports.end = NULL;
}
- erts_common_run_queue = !mrq ? ERTS_RUNQ_IX(0) : NULL;
-
#ifdef ERTS_SMP
if (erts_no_run_queues != 1) {
@@ -3500,18 +3425,9 @@ erts_init_scheduling(int mrq, int no_schedulers, int no_schedulers_online)
erts_init_atom_cache_map(&esdp->atom_cache_map);
- if (erts_common_run_queue) {
- esdp->run_queue = erts_common_run_queue;
- esdp->run_queue->scheduler = NULL;
- }
- else {
- esdp->run_queue = ERTS_RUNQ_IX(ix);
- esdp->run_queue->scheduler = esdp;
- }
+ esdp->run_queue = ERTS_RUNQ_IX(ix);
+ esdp->run_queue->scheduler = esdp;
-#ifdef ERTS_SMP
- erts_smp_atomic32_init_nob(&esdp->chk_cpu_bind, 0);
-#endif
init_aux_work_data(&esdp->aux_work_data, esdp);
}
@@ -3534,8 +3450,7 @@ erts_init_scheduling(int mrq, int no_schedulers, int no_schedulers_online)
schdlr_sspnd.msb.ongoing = 0;
erts_smp_atomic32_init_nob(&schdlr_sspnd.active, no_schedulers);
schdlr_sspnd.msb.procs = NULL;
- init_no_runqs(no_schedulers,
- erts_common_run_queue ? 1 : no_schedulers_online);
+ init_no_runqs(no_schedulers, no_schedulers_online);
balance_info.last_active_runqs = no_schedulers;
erts_smp_mtx_init(&balance_info.update_mtx, "migration_info_update");
balance_info.forced_check_balance = 0;
@@ -3548,16 +3463,9 @@ erts_init_scheduling(int mrq, int no_schedulers, int no_schedulers_online)
balance_info.n = 0;
if (no_schedulers_online < no_schedulers) {
- if (erts_common_run_queue) {
- for (ix = no_schedulers_online; ix < no_schedulers; ix++)
- erts_smp_atomic32_read_bor_nob(&ERTS_SCHED_SLEEP_INFO_IX(ix)->flags,
- ERTS_SSI_FLG_SUSPENDED);
- }
- else {
- for (ix = no_schedulers_online; ix < erts_no_run_queues; ix++)
- evacuate_run_queue(ERTS_RUNQ_IX(ix),
- ERTS_RUNQ_IX(ix % no_schedulers_online));
- }
+ for (ix = no_schedulers_online; ix < erts_no_run_queues; ix++)
+ evacuate_run_queue(ERTS_RUNQ_IX(ix),
+ ERTS_RUNQ_IX(ix % no_schedulers_online));
}
schdlr_sspnd.wait_curr_online = no_schedulers_online;
@@ -3602,8 +3510,6 @@ ErtsRunQueue *
erts_schedid2runq(Uint id)
{
int ix;
- if (erts_common_run_queue)
- return erts_common_run_queue;
ix = (int) id - 1;
ASSERT(0 <= ix && ix < erts_no_run_queues);
return ERTS_RUNQ_IX(ix);
@@ -4090,10 +3996,6 @@ erts_set_schedulers_online(Process *p,
for (ix = online; ix < no; ix++)
erts_sched_poke(ERTS_SCHED_SLEEP_INFO_IX(ix));
}
- else if (erts_common_run_queue) {
- for (ix = online; ix < no; ix++)
- scheduler_ix_resume_wake(ix);
- }
else {
if (plocks) {
have_unlocked_plocks = 1;
@@ -4141,15 +4043,6 @@ erts_set_schedulers_online(Process *p,
for (ix = no; ix < online; ix++)
erts_sched_poke(ERTS_SCHED_SLEEP_INFO_IX(ix));
}
- else if (erts_common_run_queue) {
- for (ix = no; ix < online; ix++) {
- ErtsSchedulerSleepInfo *ssi;
- ssi = ERTS_SCHED_SLEEP_INFO_IX(ix);
- erts_smp_atomic32_read_bor_nob(&ssi->flags,
- ERTS_SSI_FLG_SUSPENDED);
- }
- wake_all_schedulers();
- }
else {
if (plocks) {
have_unlocked_plocks = 1;
@@ -4176,7 +4069,7 @@ erts_set_schedulers_online(Process *p,
erts_smp_mtx_lock(&schdlr_sspnd.mtx);
for (ix = no; ix < online; ix++) {
ErtsRunQueue *rq = ERTS_RUNQ_IX(ix);
- wake_scheduler(rq, 0, 1);
+ wake_scheduler(rq, 0);
}
}
}
@@ -4269,33 +4162,26 @@ erts_block_multi_scheduling(Process *p, ErtsProcLocks plocks, int on, int all)
res = ERTS_SCHDLR_SSPND_YIELD_DONE_MSCHED_BLOCKED;
schdlr_sspnd.msb.wait_active = 2;
}
- if (erts_common_run_queue) {
- for (ix = 1; ix < online; ix++)
- erts_smp_atomic32_read_bor_nob(&ERTS_SCHED_SLEEP_INFO_IX(ix)->flags,
- ERTS_SSI_FLG_SUSPENDED);
- wake_all_schedulers();
- }
- else {
- erts_smp_mtx_unlock(&schdlr_sspnd.mtx);
- erts_smp_mtx_lock(&balance_info.update_mtx);
- set_no_used_runqs(1);
- for (ix = 0; ix < online; ix++) {
- ErtsRunQueue *rq = ERTS_RUNQ_IX(ix);
- erts_smp_runq_lock(rq);
- ASSERT(!(rq->flags & ERTS_RUNQ_FLG_SUSPENDED));
- ERTS_RUNQ_RESET_MIGRATION_PATHS(rq, 0x7);
- erts_smp_runq_unlock(rq);
- }
- /*
- * Evacuate all activities in all other run queues
- * into the first run queue. Note order is important,
- * online run queues has to be evacuated last.
- */
- for (ix = erts_no_run_queues-1; ix >= 1; ix--)
- evacuate_run_queue(ERTS_RUNQ_IX(ix), ERTS_RUNQ_IX(0));
- erts_smp_mtx_unlock(&balance_info.update_mtx);
- erts_smp_mtx_lock(&schdlr_sspnd.mtx);
+
+ erts_smp_mtx_unlock(&schdlr_sspnd.mtx);
+ erts_smp_mtx_lock(&balance_info.update_mtx);
+ set_no_used_runqs(1);
+ for (ix = 0; ix < online; ix++) {
+ ErtsRunQueue *rq = ERTS_RUNQ_IX(ix);
+ erts_smp_runq_lock(rq);
+ ASSERT(!(rq->flags & ERTS_RUNQ_FLG_SUSPENDED));
+ ERTS_RUNQ_RESET_MIGRATION_PATHS(rq, 0x7);
+ erts_smp_runq_unlock(rq);
}
+ /*
+ * Evacuate all activities in all other run queues
+ * into the first run queue. Note order is important,
+ * online run queues has to be evacuated last.
+ */
+ for (ix = erts_no_run_queues-1; ix >= 1; ix--)
+ evacuate_run_queue(ERTS_RUNQ_IX(ix), ERTS_RUNQ_IX(0));
+ erts_smp_mtx_unlock(&balance_info.update_mtx);
+ erts_smp_mtx_lock(&schdlr_sspnd.mtx);
if (erts_smp_atomic32_read_nob(&schdlr_sspnd.active)
!= schdlr_sspnd.msb.wait_active) {
@@ -4407,12 +4293,6 @@ erts_block_multi_scheduling(Process *p, ErtsProcLocks plocks, int on, int all)
ASSERT(erts_smp_atomic32_read_nob(&schdlr_sspnd.active) == 1);
ERTS_SCHDLR_SSPND_CHNG_SET(0, ERTS_SCHDLR_SSPND_CHNG_MSB);
}
- else if (erts_common_run_queue) {
- for (ix = 1; ix < schdlr_sspnd.online; ix++)
- erts_smp_atomic32_read_band_nob(&ERTS_SCHED_SLEEP_INFO_IX(ix)->flags,
- ~ERTS_SSI_FLG_SUSPENDED);
- wake_all_schedulers();
- }
else {
int online = schdlr_sspnd.online;
erts_smp_mtx_unlock(&schdlr_sspnd.mtx);
@@ -5091,7 +4971,7 @@ suspend_process_2(BIF_ALIST_2)
/* This is really a piece of cake without SMP support... */
if (!smon->active) {
- suspend_process(erts_common_run_queue, suspendee);
+ suspend_process(ERTS_RUNQ_IX(0), suspendee);
smon->active++;
res = am_true;
}
@@ -5661,8 +5541,6 @@ erts_proc_migrate(Process *p, ErtsProcLocks *plcks,
|| from_locked);
ERTS_SMP_LC_CHK_RUNQ_LOCK(from_rq, *from_locked);
ERTS_SMP_LC_CHK_RUNQ_LOCK(to_rq, *to_locked);
-
- ASSERT(!erts_common_run_queue);
/*
* If we have the lock on the run queue to migrate to,
@@ -5813,25 +5691,17 @@ erts_process_status(Process *c_p, ErtsProcLocks c_p_locks,
int i;
ErtsSchedulerData *esdp;
- if (erts_common_run_queue)
- erts_smp_runq_lock(erts_common_run_queue);
-
for (i = 0; i < erts_no_schedulers; i++) {
esdp = ERTS_SCHEDULER_IX(i);
- if (!erts_common_run_queue)
- erts_smp_runq_lock(esdp->run_queue);
+ erts_smp_runq_lock(esdp->run_queue);
if (esdp->free_process && esdp->free_process->id == rpid) {
res = am_free;
- if (!erts_common_run_queue)
- erts_smp_runq_unlock(esdp->run_queue);
+ erts_smp_runq_unlock(esdp->run_queue);
break;
}
- if (!erts_common_run_queue)
- erts_smp_runq_unlock(esdp->run_queue);
+ erts_smp_runq_unlock(esdp->run_queue);
}
- if (erts_common_run_queue)
- erts_smp_runq_unlock(erts_common_run_queue);
#endif
}
@@ -6142,10 +6012,8 @@ Process *schedule(Process *p, int calls)
#ifdef ERTS_SMP
- if (!(rq->flags & ERTS_RUNQ_FLG_SHARED_RUNQ)
- && rq->check_balance_reds <= 0) {
+ if (rq->check_balance_reds <= 0)
check_balance(rq);
- }
ERTS_SMP_LC_ASSERT(!erts_thr_progress_is_blocking());
ERTS_SMP_LC_ASSERT(erts_smp_lc_runq_is_locked(rq));
@@ -6155,20 +6023,15 @@ Process *schedule(Process *p, int calls)
continue_check_activities_to_run:
- if (rq->flags & (ERTS_RUNQ_FLG_SHARED_RUNQ
- | ERTS_RUNQ_FLG_CHK_CPU_BIND
+ if (rq->flags & (ERTS_RUNQ_FLG_CHK_CPU_BIND
| ERTS_RUNQ_FLG_SUSPENDED)) {
- if ((rq->flags & ERTS_RUNQ_FLG_SUSPENDED)
- || (erts_smp_atomic32_read_acqb(&esdp->ssi->flags)
- & ERTS_SSI_FLG_SUSPENDED)) {
+ if (rq->flags & ERTS_RUNQ_FLG_SUSPENDED) {
ASSERT(erts_smp_atomic32_read_nob(&esdp->ssi->flags)
& ERTS_SSI_FLG_SUSPENDED);
suspend_scheduler(esdp);
}
- if ((rq->flags & ERTS_RUNQ_FLG_CHK_CPU_BIND)
- || erts_smp_atomic32_read_acqb(&esdp->chk_cpu_bind)) {
+ if (rq->flags & ERTS_RUNQ_FLG_CHK_CPU_BIND)
erts_sched_check_cpu_bind(esdp);
- }
}
{
@@ -6210,16 +6073,11 @@ Process *schedule(Process *p, int calls)
empty_runq(rq);
- if (rq->flags & (ERTS_RUNQ_FLG_SHARED_RUNQ
- | ERTS_RUNQ_FLG_SUSPENDED)) {
- if ((rq->flags & ERTS_RUNQ_FLG_SUSPENDED)
- || (erts_smp_atomic32_read_acqb(&esdp->ssi->flags)
- & ERTS_SSI_FLG_SUSPENDED)) {
- ASSERT(erts_smp_atomic32_read_nob(&esdp->ssi->flags)
- & ERTS_SSI_FLG_SUSPENDED);
- non_empty_runq(rq);
- goto continue_check_activities_to_run;
- }
+ if (rq->flags & ERTS_RUNQ_FLG_SUSPENDED) {
+ ASSERT(erts_smp_atomic32_read_nob(&esdp->ssi->flags)
+ & ERTS_SSI_FLG_SUSPENDED);
+ non_empty_runq(rq);
+ goto continue_check_activities_to_run;
}
else if (!(rq->flags & ERTS_RUNQ_FLG_INACTIVE)) {
/*
@@ -6284,11 +6142,7 @@ Process *schedule(Process *p, int calls)
else if (rq->wakeup_other < wakeup_other_limit)
rq->wakeup_other += rq->len*wo_reds + ERTS_WAKEUP_OTHER_FIXED_INC;
else {
- if (erts_common_run_queue) {
- if (erts_common_run_queue->waiting)
- wake_scheduler(erts_common_run_queue, 0, 1);
- }
- else if (erts_smp_atomic32_read_acqb(&no_empty_run_queues) != 0) {
+ if (erts_smp_atomic32_read_acqb(&no_empty_run_queues) != 0) {
wake_scheduler_on_empty_runq(rq);
rq->wakeup_other = 0;
}
diff --git a/erts/emulator/beam/erl_process.h b/erts/emulator/beam/erl_process.h
index 0c8204b4ce..67c0b72130 100644
--- a/erts/emulator/beam/erl_process.h
+++ b/erts/emulator/beam/erl_process.h
@@ -143,12 +143,10 @@ extern int erts_sched_thread_suggested_stack_size;
(((Uint32) 1) << (ERTS_RUNQ_FLG_BASE2 + 1))
#define ERTS_RUNQ_FLG_SUSPENDED \
(((Uint32) 1) << (ERTS_RUNQ_FLG_BASE2 + 2))
-#define ERTS_RUNQ_FLG_SHARED_RUNQ \
- (((Uint32) 1) << (ERTS_RUNQ_FLG_BASE2 + 3))
#define ERTS_RUNQ_FLG_CHK_CPU_BIND \
- (((Uint32) 1) << (ERTS_RUNQ_FLG_BASE2 + 4))
+ (((Uint32) 1) << (ERTS_RUNQ_FLG_BASE2 + 3))
#define ERTS_RUNQ_FLG_INACTIVE \
- (((Uint32) 1) << (ERTS_RUNQ_FLG_BASE2 + 5))
+ (((Uint32) 1) << (ERTS_RUNQ_FLG_BASE2 + 4))
#define ERTS_RUNQ_FLGS_MIGRATION_QMASKS \
(ERTS_RUNQ_FLGS_EMIGRATE_QMASK \
@@ -271,11 +269,6 @@ typedef enum {
typedef struct ErtsSchedulerSleepInfo_ ErtsSchedulerSleepInfo;
-typedef struct {
- erts_smp_spinlock_t lock;
- ErtsSchedulerSleepInfo *list;
-} ErtsSchedulerSleepList;
-
struct ErtsSchedulerSleepInfo_ {
#ifdef ERTS_SMP
ErtsSchedulerSleepInfo *next;
@@ -338,10 +331,6 @@ struct ErtsRunQueue_ {
erts_smp_mtx_t mtx;
erts_smp_cnd_t cnd;
-#ifdef ERTS_SMP
- ErtsSchedulerSleepList sleepers;
-#endif
-
ErtsSchedulerData *scheduler;
int waiting; /* < 0 in sys schedule; > 0 on cnd variable */
int woken;
@@ -387,7 +376,6 @@ typedef union {
} ErtsAlignedRunQueue;
extern ErtsAlignedRunQueue *erts_aligned_run_queues;
-extern ErtsRunQueue *erts_common_run_queue;
#define ERTS_PROC_REDUCTIONS_EXECUTED(RQ, PRIO, REDS, AREDS) \
do { \
@@ -472,11 +460,6 @@ struct ErtsSchedulerData_ {
ErtsSchedAllocData alloc_data;
-#ifdef ERTS_SMP
- /* NOTE: These fields are modified under held mutexes by other threads */
- erts_smp_atomic32_t chk_cpu_bind; /* Only used when common run queue */
-#endif
-
#ifdef ERTS_DO_VERIFY_UNUSED_TEMP_ALLOC
erts_alloc_verify_func_t verify_unused_temp_alloc;
Allctr_t *verify_unused_temp_alloc_data;
@@ -1082,7 +1065,7 @@ extern struct erts_system_profile_flags_t erts_system_profile_flags;
void erts_pre_init_process(void);
void erts_late_init_process(void);
void erts_early_init_scheduling(int);
-void erts_init_scheduling(int, int, int);
+void erts_init_scheduling(int, int);
ErtsProcList *erts_proclist_create(Process *);
void erts_proclist_destroy(ErtsProcList *);
@@ -1467,8 +1450,7 @@ erts_get_runq_proc(Process *p)
ASSERT(p->run_queue);
return p->run_queue;
#else
- ASSERT(erts_common_run_queue);
- return erts_common_run_queue;
+ return ERTS_RUNQ_IX(0);
#endif
}
@@ -1481,8 +1463,7 @@ erts_get_runq_current(ErtsSchedulerData *esdp)
esdp = erts_get_scheduler_data();
return esdp->run_queue;
#else
- ASSERT(erts_common_run_queue);
- return erts_common_run_queue;
+ return ERTS_RUNQ_IX(0);
#endif
}
diff --git a/erts/emulator/beam/global.h b/erts/emulator/beam/global.h
index ba0b96870e..b40bab9b33 100644
--- a/erts/emulator/beam/global.h
+++ b/erts/emulator/beam/global.h
@@ -204,7 +204,7 @@ erts_port_runq(Port *prt)
rq1 = rq2;
}
#else
- return erts_common_run_queue;
+ return ERTS_RUNQ_IX(0);
#endif
}
generated by cgit v1.2.3 (git 2.25.1) at 2024-11-14 13:09:01 +0000