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Diffstat (limited to 'erts/emulator/beam/erl_process.c')
-rw-r--r--erts/emulator/beam/erl_process.c705
1 files changed, 529 insertions, 176 deletions
diff --git a/erts/emulator/beam/erl_process.c b/erts/emulator/beam/erl_process.c
index c74f8f131f..8153cdce1c 100644
--- a/erts/emulator/beam/erl_process.c
+++ b/erts/emulator/beam/erl_process.c
@@ -28,7 +28,6 @@
#include "erl_vm.h"
#include "global.h"
#include "erl_process.h"
-#include "erl_nmgc.h"
#include "error.h"
#include "bif.h"
#include "erl_db.h"
@@ -52,21 +51,22 @@
#define ERTS_SCHED_SPIN_UNTIL_YIELD 100
-#define ERTS_SCHED_SYS_SLEEP_SPINCOUNT 10
+#define ERTS_SCHED_SYS_SLEEP_SPINCOUNT_VERY_LONG 40
+#define ERTS_SCHED_AUX_WORK_SLEEP_SPINCOUNT_FACT_VERY_LONG 1000
+#define ERTS_SCHED_SYS_SLEEP_SPINCOUNT_LONG 20
+#define ERTS_SCHED_AUX_WORK_SLEEP_SPINCOUNT_FACT_LONG 1000
+#define ERTS_SCHED_SYS_SLEEP_SPINCOUNT_MEDIUM 10
+#define ERTS_SCHED_AUX_WORK_SLEEP_SPINCOUNT_FACT_MEDIUM 1000
+#define ERTS_SCHED_SYS_SLEEP_SPINCOUNT_SHORT 10
+#define ERTS_SCHED_AUX_WORK_SLEEP_SPINCOUNT_FACT_SHORT 0
+#define ERTS_SCHED_SYS_SLEEP_SPINCOUNT_VERY_SHORT 5
+#define ERTS_SCHED_AUX_WORK_SLEEP_SPINCOUNT_FACT_VERY_SHORT 0
+#define ERTS_SCHED_SYS_SLEEP_SPINCOUNT_NONE 0
+#define ERTS_SCHED_AUX_WORK_SLEEP_SPINCOUNT_FACT_NONE 0
+
#define ERTS_SCHED_TSE_SLEEP_SPINCOUNT_FACT 1000
-#define ERTS_SCHED_TSE_SLEEP_SPINCOUNT \
- (ERTS_SCHED_SYS_SLEEP_SPINCOUNT*ERTS_SCHED_TSE_SLEEP_SPINCOUNT_FACT)
#define ERTS_SCHED_SUSPEND_SLEEP_SPINCOUNT 0
-#define ERTS_WAKEUP_OTHER_LIMIT_VERY_HIGH (200*CONTEXT_REDS)
-#define ERTS_WAKEUP_OTHER_LIMIT_HIGH (50*CONTEXT_REDS)
-#define ERTS_WAKEUP_OTHER_LIMIT_MEDIUM (10*CONTEXT_REDS)
-#define ERTS_WAKEUP_OTHER_LIMIT_LOW (CONTEXT_REDS)
-#define ERTS_WAKEUP_OTHER_LIMIT_VERY_LOW (CONTEXT_REDS/10)
-
-#define ERTS_WAKEUP_OTHER_DEC 10
-#define ERTS_WAKEUP_OTHER_FIXED_INC (CONTEXT_REDS/10)
-
#if 0 || defined(DEBUG)
#define ERTS_FAKE_SCHED_BIND_PRINT_SORTED_CPU_DATA
#endif
@@ -283,14 +283,18 @@ Uint erts_no_schedulers;
ErtsProcTab erts_proc erts_align_attribute(ERTS_CACHE_LINE_SIZE);
-static int wakeup_other_limit;
-
int erts_sched_thread_suggested_stack_size = -1;
#ifdef ERTS_ENABLE_LOCK_CHECK
ErtsLcPSDLocks erts_psd_required_locks[ERTS_PSD_SIZE];
#endif
+static struct {
+ int aux_work;
+ int tse;
+ int sys_schedule;
+} sched_busy_wait;
+
#ifdef ERTS_SMP
int erts_disable_proc_not_running_opt;
@@ -399,11 +403,6 @@ struct erts_system_monitor_flags_t erts_system_monitor_flags;
Eterm erts_system_profile;
struct erts_system_profile_flags_t erts_system_profile_flags;
-#ifdef HYBRID
-Uint erts_num_active_procs;
-Process** erts_active_procs;
-#endif
-
#if ERTS_MAX_PROCESSES > 0x7fffffff
#error "Need to store process_count in another type"
#endif
@@ -519,6 +518,7 @@ dbg_chk_aux_work_val(erts_aint32_t value)
valid |= ERTS_SSI_AUX_WORK_ASYNC_READY_CLEAN;
#endif
#ifdef ERTS_SMP
+ valid |= ERTS_SSI_AUX_WORK_DELAYED_AW_WAKEUP;
valid |= ERTS_SSI_AUX_WORK_MISC_THR_PRGR;
valid |= ERTS_SSI_AUX_WORK_DD;
valid |= ERTS_SSI_AUX_WORK_DD_THR_PRGR;
@@ -529,6 +529,10 @@ dbg_chk_aux_work_val(erts_aint32_t value)
#ifdef ERTS_SMP_SCHEDULERS_NEED_TO_CHECK_CHILDREN
valid |= ERTS_SSI_AUX_WORK_CHECK_CHILDREN;
#endif
+#ifdef ERTS_SMP
+ valid |= ERTS_SSI_AUX_WORK_CODE_IX_ACTIVATION;
+ valid |= ERTS_SSI_AUX_WORK_FINISH_BP;
+#endif
#ifdef ERTS_SSI_AUX_WORK_REAP_PORTS
valid |= ERTS_SSI_AUX_WORK_REAP_PORTS;
#endif
@@ -689,12 +693,6 @@ erts_init_process(int ncpu)
erts_smp_atomic_init_nob(proc_entry, ERTS_AINT_NULL);
proc_entry++;
}
-#ifdef HYBRID
- erts_active_procs = (Process**)
- erts_alloc(ERTS_ALC_T_ACTIVE_PROCS,
- erts_proc.max * sizeof(Process*));
- erts_num_active_procs = 0;
-#endif
erts_smp_rwmtx_init_opt(&erts_proc_tab_rwmtx,
&proc_tab_rwmtx_opts,
@@ -1149,13 +1147,13 @@ unset_aux_work_flags(ErtsSchedulerSleepInfo *ssi, erts_aint32_t flgs)
#ifdef ERTS_SMP
static ERTS_INLINE void
-thr_prgr_current_reset(ErtsAuxWorkData *awdp)
+haw_thr_prgr_current_reset(ErtsAuxWorkData *awdp)
{
awdp->current_thr_prgr = ERTS_THR_PRGR_INVALID;
}
static ERTS_INLINE ErtsThrPrgrVal
-thr_prgr_current(ErtsAuxWorkData *awdp)
+haw_thr_prgr_current(ErtsAuxWorkData *awdp)
{
ErtsThrPrgrVal current = awdp->current_thr_prgr;
if (current == ERTS_THR_PRGR_INVALID) {
@@ -1165,6 +1163,60 @@ thr_prgr_current(ErtsAuxWorkData *awdp)
return current;
}
+static ERTS_INLINE void
+haw_thr_prgr_current_check_progress(ErtsAuxWorkData *awdp)
+{
+ ErtsThrPrgrVal current = awdp->current_thr_prgr;
+ if (current != ERTS_THR_PRGR_INVALID
+ && !erts_thr_progress_equal(current, erts_thr_progress_current())) {
+ /*
+ * We have used a previouly read current value that isn't the
+ * latest; need to poke ourselfs in order to guarantee no loss
+ * of wakeups.
+ */
+ erts_sched_poke(awdp->ssi);
+ }
+}
+
+static ERTS_INLINE erts_aint32_t
+handle_delayed_aux_work_wakeup(ErtsAuxWorkData *awdp, erts_aint32_t aux_work)
+{
+ int jix, max_jix;
+ unset_aux_work_flags(awdp->ssi, ERTS_SSI_AUX_WORK_DELAYED_AW_WAKEUP);
+
+ ERTS_THR_MEMORY_BARRIER;
+
+ max_jix = awdp->delayed_wakeup.jix;
+ awdp->delayed_wakeup.jix = -1;
+ for (jix = 0; jix <= max_jix; jix++) {
+ int sched = awdp->delayed_wakeup.job[jix].sched;
+ erts_aint32_t aux_work = awdp->delayed_wakeup.job[jix].aux_work;
+
+ ASSERT(awdp->delayed_wakeup.sched2jix[sched] == jix);
+ awdp->delayed_wakeup.sched2jix[sched] = -1;
+ set_aux_work_flags_wakeup_nob(ERTS_SCHED_SLEEP_INFO_IX(sched-1),
+ aux_work);
+ }
+ 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)
+{
+ int jix = awdp->delayed_wakeup.sched2jix[sched];
+ if (jix >= 0) {
+ ASSERT(awdp->delayed_wakeup.job[jix].sched == sched);
+ awdp->delayed_wakeup.job[jix].aux_work |= aux_work;
+ }
+ else {
+ jix = ++awdp->delayed_wakeup.jix;
+ awdp->delayed_wakeup.sched2jix[sched] = jix;
+ 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);
+}
+
#endif
typedef struct erts_misc_aux_work_t_ erts_misc_aux_work_t;
@@ -1263,7 +1315,7 @@ static ERTS_INLINE erts_aint32_t
handle_misc_aux_work_thr_prgr(ErtsAuxWorkData *awdp,
erts_aint32_t aux_work)
{
- if (!erts_thr_progress_has_reached_this(thr_prgr_current(awdp),
+ if (!erts_thr_progress_has_reached_this(haw_thr_prgr_current(awdp),
awdp->misc.thr_prgr))
return aux_work & ~ERTS_SSI_AUX_WORK_MISC_THR_PRGR;
@@ -1368,7 +1420,7 @@ handle_async_ready_clean(ErtsAuxWorkData *awdp,
#ifdef ERTS_SMP
if (awdp->async_ready.need_thr_prgr
- && !erts_thr_progress_has_reached_this(thr_prgr_current(awdp),
+ && !erts_thr_progress_has_reached_this(haw_thr_prgr_current(awdp),
awdp->async_ready.thr_prgr)) {
return aux_work & ~ERTS_SSI_AUX_WORK_ASYNC_READY_CLEAN;
}
@@ -1395,7 +1447,94 @@ handle_async_ready_clean(ErtsAuxWorkData *awdp,
}
}
+#endif /* ERTS_USE_ASYNC_READY_Q */
+
+#ifdef ERTS_SMP
+void
+erts_notify_code_ix_activation(Process* p, ErtsThrPrgrVal later)
+{
+ ErtsAuxWorkData* awdp = &p->scheduler_data->aux_work_data;
+ ASSERT(awdp->code_ix_activation.code_stager == NULL);
+ awdp->code_ix_activation.code_stager = p;
+ awdp->code_ix_activation.thr_prgr = later;
+ erts_smp_proc_inc_refc(p);
+ set_aux_work_flags_wakeup_relb(p->scheduler_data->ssi,
+ ERTS_SSI_AUX_WORK_CODE_IX_ACTIVATION);
+}
+
+static erts_aint32_t
+handle_code_ix_activation(ErtsAuxWorkData *awdp, erts_aint32_t aux_work)
+{
+ Process* p;
+ if (!erts_thr_progress_has_reached(awdp->code_ix_activation.thr_prgr)) {
+ return aux_work & ~ERTS_SSI_AUX_WORK_CODE_IX_ACTIVATION;
+ }
+ unset_aux_work_flags(awdp->ssi, ERTS_SSI_AUX_WORK_CODE_IX_ACTIVATION);
+ p = awdp->code_ix_activation.code_stager;
+ ASSERT(p);
+#ifdef DEBUG
+ awdp->code_ix_activation.code_stager = NULL;
#endif
+ erts_commit_staging_code_ix();
+ erts_release_code_write_permission();
+ erts_smp_proc_lock(p, ERTS_PROC_LOCK_STATUS);
+ if (!ERTS_PROC_IS_EXITING(p)) {
+ erts_resume(p, ERTS_PROC_LOCK_STATUS);
+ }
+ erts_smp_proc_unlock(p, ERTS_PROC_LOCK_STATUS);
+ erts_smp_proc_dec_refc(p);
+ return aux_work & ~ERTS_SSI_AUX_WORK_CODE_IX_ACTIVATION;
+}
+#endif /* ERTS_SMP */
+
+#ifdef ERTS_SMP
+void
+erts_notify_finish_breakpointing(Process* p)
+{
+ ErtsAuxWorkData* awdp = &p->scheduler_data->aux_work_data;
+
+ ASSERT(awdp->bp_ix_activation.stager == NULL);
+ awdp->bp_ix_activation.stager = p;
+ awdp->bp_ix_activation.thr_prgr = erts_thr_progress_later(awdp->esdp);
+ erts_thr_progress_wakeup(awdp->esdp, awdp->bp_ix_activation.thr_prgr);
+ erts_smp_proc_inc_refc(p);
+ set_aux_work_flags_wakeup_relb(p->scheduler_data->ssi,
+ ERTS_SSI_AUX_WORK_FINISH_BP);
+}
+
+static erts_aint32_t
+handle_finish_bp(ErtsAuxWorkData* awdp, erts_aint32_t aux_work)
+{
+ ErtsThrPrgrVal current = haw_thr_prgr_current(awdp);
+
+ if (!erts_thr_progress_has_reached_this(current,
+ awdp->bp_ix_activation.thr_prgr)) {
+ return aux_work & ~ERTS_SSI_AUX_WORK_FINISH_BP;
+ }
+ if (erts_finish_breakpointing()) { /* Not done */
+ /* Arrange for being called again */
+ awdp->bp_ix_activation.thr_prgr =
+ erts_thr_progress_later(awdp->esdp);
+ erts_thr_progress_wakeup(awdp->esdp, awdp->bp_ix_activation.thr_prgr);
+ } else { /* Done */
+ Process* p;
+
+ unset_aux_work_flags(awdp->ssi, ERTS_SSI_AUX_WORK_FINISH_BP);
+ p = awdp->bp_ix_activation.stager;
+#ifdef DEBUG
+ awdp->bp_ix_activation.stager = NULL;
+#endif
+ erts_smp_proc_lock(p, ERTS_PROC_LOCK_STATUS);
+ if (!ERTS_PROC_IS_EXITING(p)) {
+ erts_resume(p, ERTS_PROC_LOCK_STATUS);
+ }
+ erts_smp_proc_unlock(p, ERTS_PROC_LOCK_STATUS);
+ erts_smp_proc_dec_refc(p);
+ erts_release_code_write_permission();
+ }
+ return aux_work & ~ERTS_SSI_AUX_WORK_FINISH_BP;
+}
+#endif /* ERTS_SMP */
static ERTS_INLINE erts_aint32_t
handle_fix_alloc(ErtsAuxWorkData *awdp, erts_aint32_t aux_work)
@@ -1421,8 +1560,14 @@ handle_fix_alloc(ErtsAuxWorkData *awdp, erts_aint32_t aux_work)
void
erts_alloc_notify_delayed_dealloc(int ix)
{
- set_aux_work_flags_wakeup_nob(ERTS_SCHED_SLEEP_INFO_IX(ix-1),
- ERTS_SSI_AUX_WORK_DD);
+ ErtsSchedulerData *esdp = erts_get_scheduler_data();
+ if (esdp)
+ schedule_aux_work_wakeup(&esdp->aux_work_data,
+ ix,
+ ERTS_SSI_AUX_WORK_DD);
+ else
+ set_aux_work_flags_wakeup_relb(ERTS_SCHED_SLEEP_INFO_IX(ix-1),
+ ERTS_SSI_AUX_WORK_DD);
}
static ERTS_INLINE erts_aint32_t
@@ -1449,7 +1594,7 @@ handle_delayed_dealloc(ErtsAuxWorkData *awdp, erts_aint32_t aux_work)
if (need_thr_progress) {
if (wakeup == ERTS_THR_PRGR_INVALID)
- wakeup = erts_thr_progress_later_than(thr_prgr_current(awdp));
+ wakeup = erts_thr_progress_later(awdp->esdp);
awdp->dd.thr_prgr = wakeup;
set_aux_work_flags(ssi, ERTS_SSI_AUX_WORK_DD_THR_PRGR);
awdp->dd.thr_prgr = wakeup;
@@ -1470,7 +1615,7 @@ handle_delayed_dealloc_thr_prgr(ErtsAuxWorkData *awdp, erts_aint32_t aux_work)
int need_thr_progress;
int more_work;
ErtsThrPrgrVal wakeup = ERTS_THR_PRGR_INVALID;
- ErtsThrPrgrVal current = thr_prgr_current(awdp);
+ ErtsThrPrgrVal current = haw_thr_prgr_current(awdp);
if (!erts_thr_progress_has_reached_this(current, awdp->dd.thr_prgr))
return aux_work & ~ERTS_SSI_AUX_WORK_DD_THR_PRGR;
@@ -1492,7 +1637,7 @@ handle_delayed_dealloc_thr_prgr(ErtsAuxWorkData *awdp, erts_aint32_t aux_work)
if (need_thr_progress) {
if (wakeup == ERTS_THR_PRGR_INVALID)
- wakeup = erts_thr_progress_later_than(current);
+ wakeup = erts_thr_progress_later(awdp->esdp);
awdp->dd.thr_prgr = wakeup;
erts_thr_progress_wakeup(awdp->esdp, wakeup);
}
@@ -1681,7 +1826,7 @@ handle_setup_aux_work_timer(ErtsAuxWorkData *awdp, erts_aint32_t aux_work)
}
static erts_aint32_t
-handle_aux_work(ErtsAuxWorkData *awdp, erts_aint32_t orig_aux_work)
+handle_aux_work(ErtsAuxWorkData *awdp, erts_aint32_t orig_aux_work, int waiting)
{
#undef HANDLE_AUX_WORK
#define HANDLE_AUX_WORK(FLG, HNDLR) \
@@ -1699,7 +1844,7 @@ handle_aux_work(ErtsAuxWorkData *awdp, erts_aint32_t orig_aux_work)
erts_aint32_t ignore = 0;
#ifdef ERTS_SMP
- thr_prgr_current_reset(awdp);
+ haw_thr_prgr_current_reset(awdp);
#endif
ERTS_DBG_CHK_AUX_WORK_VAL(aux_work);
@@ -1720,6 +1865,8 @@ handle_aux_work(ErtsAuxWorkData *awdp, erts_aint32_t orig_aux_work)
* eachother. Most frequent first.
*/
#ifdef ERTS_SMP
+ HANDLE_AUX_WORK(ERTS_SSI_AUX_WORK_DELAYED_AW_WAKEUP,
+ handle_delayed_aux_work_wakeup);
HANDLE_AUX_WORK(ERTS_SSI_AUX_WORK_DD,
handle_delayed_dealloc);
/* DD must be before DD_THR_PRGR */
@@ -1760,11 +1907,26 @@ handle_aux_work(ErtsAuxWorkData *awdp, erts_aint32_t orig_aux_work)
handle_mseg_cache_check);
#endif
+#ifdef ERTS_SMP
+ HANDLE_AUX_WORK(ERTS_SSI_AUX_WORK_CODE_IX_ACTIVATION,
+ handle_code_ix_activation);
+#endif
+
HANDLE_AUX_WORK(ERTS_SSI_AUX_WORK_REAP_PORTS,
handle_reap_ports);
+#ifdef ERTS_SMP
+ HANDLE_AUX_WORK(ERTS_SSI_AUX_WORK_FINISH_BP,
+ handle_finish_bp);
+#endif
+
ERTS_DBG_CHK_AUX_WORK_VAL(aux_work);
+#ifdef ERTS_SMP
+ if (waiting && !aux_work)
+ haw_thr_prgr_current_check_progress(awdp);
+#endif
+
return aux_work;
#undef HANDLE_AUX_WORK
@@ -1916,8 +2078,8 @@ sched_waiting_sys(Uint no, ErtsRunQueue *rq)
{
ERTS_SMP_LC_ASSERT(erts_smp_lc_runq_is_locked(rq));
ASSERT(rq->waiting >= 0);
- ERTS_RUNQ_FLGS_SET(rq, (ERTS_RUNQ_FLG_OUT_OF_WORK
- | ERTS_RUNQ_FLG_HALFTIME_OUT_OF_WORK));
+ (void) ERTS_RUNQ_FLGS_SET(rq, (ERTS_RUNQ_FLG_OUT_OF_WORK
+ | ERTS_RUNQ_FLG_HALFTIME_OUT_OF_WORK));
rq->waiting++;
rq->waiting *= -1;
rq->woken = 0;
@@ -1993,8 +2155,8 @@ static ERTS_INLINE void
sched_waiting(Uint no, ErtsRunQueue *rq)
{
ERTS_SMP_LC_ASSERT(erts_smp_lc_runq_is_locked(rq));
- ERTS_RUNQ_FLGS_SET(rq, (ERTS_RUNQ_FLG_OUT_OF_WORK
- | ERTS_RUNQ_FLG_HALFTIME_OUT_OF_WORK));
+ (void) ERTS_RUNQ_FLGS_SET(rq, (ERTS_RUNQ_FLG_OUT_OF_WORK
+ | ERTS_RUNQ_FLG_HALFTIME_OUT_OF_WORK));
if (rq->waiting < 0)
rq->waiting--;
else
@@ -2191,7 +2353,7 @@ thr_prgr_fin_wait(void *vssi)
| ERTS_SSI_FLG_TSE_SLEEPING));
}
-static void init_aux_work_data(ErtsAuxWorkData *awdp, ErtsSchedulerData *esdp);
+static void init_aux_work_data(ErtsAuxWorkData *awdp, ErtsSchedulerData *esdp, char *dawwp);
static void *
aux_thread(void *unused)
@@ -2211,7 +2373,7 @@ aux_thread(void *unused)
callbacks.finalize_wait = thr_prgr_fin_wait;
erts_thr_progress_register_managed_thread(NULL, &callbacks, 1);
- init_aux_work_data(awdp, NULL);
+ init_aux_work_data(awdp, NULL, NULL);
awdp->ssi = ssi;
sched_prep_spin_wait(ssi);
@@ -2223,7 +2385,7 @@ aux_thread(void *unused)
if (aux_work) {
if (!thr_prgr_active)
erts_thr_progress_active(NULL, thr_prgr_active = 1);
- aux_work = handle_aux_work(awdp, aux_work);
+ aux_work = handle_aux_work(awdp, aux_work, 1);
if (aux_work && erts_thr_progress_update(NULL))
erts_thr_progress_leader_update(NULL);
}
@@ -2287,7 +2449,7 @@ scheduler_wait(int *fcalls, ErtsSchedulerData *esdp, ErtsRunQueue *rq)
erts_smp_runq_unlock(rq);
- spincount = ERTS_SCHED_TSE_SLEEP_SPINCOUNT;
+ spincount = sched_busy_wait.tse;
tse_wait:
@@ -2302,7 +2464,7 @@ scheduler_wait(int *fcalls, ErtsSchedulerData *esdp, ErtsRunQueue *rq)
erts_thr_progress_active(esdp, thr_prgr_active = 1);
sched_wall_time_change(esdp, 1);
}
- aux_work = handle_aux_work(&esdp->aux_work_data, aux_work);
+ aux_work = handle_aux_work(&esdp->aux_work_data, aux_work, 1);
if (aux_work && erts_thr_progress_update(esdp))
erts_thr_progress_leader_update(esdp);
}
@@ -2338,7 +2500,7 @@ scheduler_wait(int *fcalls, ErtsSchedulerData *esdp, ErtsRunQueue *rq)
}
flgs = sched_prep_cont_spin_wait(ssi);
- spincount = ERTS_SCHED_TSE_SLEEP_SPINCOUNT;
+ spincount = sched_busy_wait.aux_work;
if (!(flgs & ERTS_SSI_FLG_WAITING)) {
ASSERT(!(flgs & ERTS_SSI_FLG_SLEEPING));
@@ -2375,7 +2537,9 @@ scheduler_wait(int *fcalls, ErtsSchedulerData *esdp, ErtsRunQueue *rq)
ASSERT(working);
sched_wall_time_change(esdp, working = 0);
- spincount = ERTS_SCHED_SYS_SLEEP_SPINCOUNT;
+ spincount = sched_busy_wait.sys_schedule;
+ if (spincount == 0)
+ goto sys_aux_work;
while (spincount-- > 0) {
@@ -2404,7 +2568,7 @@ scheduler_wait(int *fcalls, ErtsSchedulerData *esdp, ErtsRunQueue *rq)
if (!thr_prgr_active)
erts_thr_progress_active(esdp, thr_prgr_active = 1);
#endif
- aux_work = handle_aux_work(&esdp->aux_work_data, aux_work);
+ aux_work = handle_aux_work(&esdp->aux_work_data, aux_work, 1);
#ifdef ERTS_SMP
if (aux_work && erts_thr_progress_update(esdp))
erts_thr_progress_leader_update(esdp);
@@ -2666,7 +2830,7 @@ chk_wake_sched(ErtsRunQueue *crq, int ix, int activate)
if (!(flags & (ERTS_RUNQ_FLG_SUSPENDED|ERTS_RUNQ_FLG_NONEMPTY))) {
if (activate) {
if (try_inc_no_active_runqs(ix+1))
- ERTS_RUNQ_FLGS_UNSET(wrq, ERTS_RUNQ_FLG_INACTIVE);
+ (void) ERTS_RUNQ_FLGS_UNSET(wrq, ERTS_RUNQ_FLG_INACTIVE);
}
wake_scheduler(wrq, 0);
return 1;
@@ -2733,7 +2897,7 @@ erts_sched_notify_check_cpu_bind(void)
int ix;
for (ix = 0; ix < erts_no_run_queues; ix++) {
ErtsRunQueue *rq = ERTS_RUNQ_IX(ix);
- ERTS_RUNQ_FLGS_SET(rq, ERTS_RUNQ_FLG_CHK_CPU_BIND);
+ (void) ERTS_RUNQ_FLGS_SET(rq, ERTS_RUNQ_FLG_CHK_CPU_BIND);
wake_scheduler(rq, 0);
}
#else
@@ -2999,7 +3163,7 @@ suspend_run_queue(ErtsRunQueue *rq)
{
erts_smp_atomic32_read_bor_nob(&rq->scheduler->ssi->flags,
ERTS_SSI_FLG_SUSPENDED);
- ERTS_RUNQ_FLGS_SET(rq, ERTS_RUNQ_FLG_SUSPENDED);
+ (void) ERTS_RUNQ_FLGS_SET(rq, ERTS_RUNQ_FLG_SUSPENDED);
wake_scheduler(rq, 0);
}
@@ -3066,7 +3230,7 @@ evacuate_run_queue(ErtsRunQueue *rq,
ERTS_SMP_LC_ASSERT(erts_smp_lc_runq_is_locked(rq));
- ERTS_RUNQ_FLGS_UNSET(rq, ERTS_RUNQ_FLG_PROTECTED);
+ (void) ERTS_RUNQ_FLGS_UNSET(rq, ERTS_RUNQ_FLG_PROTECTED);
mps = erts_get_migration_paths_managed();
mp = &mps->mpath[rq->ix];
@@ -3529,7 +3693,7 @@ retire_mpaths(ErtsMigrationPaths *mps)
if (!mpaths.retired.first)
mpaths.retired.last = NULL;
- mps->thr_prgr = erts_thr_progress_later_than(current);
+ mps->thr_prgr = erts_thr_progress_later(NULL);
mps->next = NULL;
if (mpaths.retired.last)
@@ -3571,9 +3735,9 @@ check_balance(ErtsRunQueue *c_rq)
ERTS_FOREACH_RUNQ(rq,
{
if (rq->waiting)
- ERTS_RUNQ_FLGS_SET(rq, ERTS_RUNQ_FLG_HALFTIME_OUT_OF_WORK);
+ (void) ERTS_RUNQ_FLGS_SET(rq, ERTS_RUNQ_FLG_HALFTIME_OUT_OF_WORK);
else
- ERTS_RUNQ_FLGS_UNSET(rq, ERTS_RUNQ_FLG_HALFTIME_OUT_OF_WORK);
+ (void) ERTS_RUNQ_FLGS_UNSET(rq, ERTS_RUNQ_FLG_HALFTIME_OUT_OF_WORK);
rq->check_balance_reds = ERTS_RUNQ_CALL_CHECK_BALANCE_REDS;
});
@@ -4142,33 +4306,287 @@ erts_debug_nbalance(void)
#endif
}
+/* Wakeup other schedulers */
+
+typedef enum {
+ ERTS_SCHED_WAKEUP_OTHER_THRESHOLD_VERY_HIGH,
+ ERTS_SCHED_WAKEUP_OTHER_THRESHOLD_HIGH,
+ ERTS_SCHED_WAKEUP_OTHER_THRESHOLD_MEDIUM,
+ ERTS_SCHED_WAKEUP_OTHER_THRESHOLD_LOW,
+ ERTS_SCHED_WAKEUP_OTHER_THRESHOLD_VERY_LOW
+} ErtsSchedWakeupOtherThreshold;
+
+typedef enum {
+ ERTS_SCHED_WAKEUP_OTHER_TYPE_PROPOSAL,
+ ERTS_SCHED_WAKEUP_OTHER_TYPE_LEGACY
+} ErtsSchedWakeupOtherType;
+
+/* First proposal */
+
+#define ERTS_WAKEUP_OTHER_LIMIT_VERY_HIGH (200*CONTEXT_REDS)
+#define ERTS_WAKEUP_OTHER_LIMIT_HIGH (50*CONTEXT_REDS)
+#define ERTS_WAKEUP_OTHER_LIMIT_MEDIUM (10*CONTEXT_REDS)
+#define ERTS_WAKEUP_OTHER_LIMIT_LOW (CONTEXT_REDS)
+#define ERTS_WAKEUP_OTHER_LIMIT_VERY_LOW (CONTEXT_REDS/10)
+
+#define ERTS_WAKEUP_OTHER_DEC_SHIFT_VERY_HIGH 3
+#define ERTS_WAKEUP_OTHER_DEC_SHIFT_HIGH 1
+#define ERTS_WAKEUP_OTHER_DEC_SHIFT_MEDIUM 0
+#define ERTS_WAKEUP_OTHER_DEC_SHIFT_LOW -2
+#define ERTS_WAKEUP_OTHER_DEC_SHIFT_VERY_LOW -5
+
+#define ERTS_WAKEUP_OTHER_DEC_SHIFT 2
+#define ERTS_WAKEUP_OTHER_FIXED_INC (CONTEXT_REDS/10)
+
+/* To be legacy */
+
+#define ERTS_WAKEUP_OTHER_LIMIT_VERY_HIGH_LEGACY (200*CONTEXT_REDS)
+#define ERTS_WAKEUP_OTHER_LIMIT_HIGH_LEGACY (50*CONTEXT_REDS)
+#define ERTS_WAKEUP_OTHER_LIMIT_MEDIUM_LEGACY (10*CONTEXT_REDS)
+#define ERTS_WAKEUP_OTHER_LIMIT_LOW_LEGACY (CONTEXT_REDS)
+#define ERTS_WAKEUP_OTHER_LIMIT_VERY_LOW_LEGACY (CONTEXT_REDS/10)
+
+#define ERTS_WAKEUP_OTHER_DEC_LEGACY 10
+#define ERTS_WAKEUP_OTHER_FIXED_INC_LEGACY (CONTEXT_REDS/10)
+
+#ifdef ERTS_SMP
+
+static struct {
+ ErtsSchedWakeupOtherThreshold threshold;
+ ErtsSchedWakeupOtherType type;
+ int limit;
+ int dec_shift;
+ int dec_mask;
+ void (*check)(ErtsRunQueue *rq, Uint32 flags);
+} wakeup_other;
+
+static void
+wakeup_other_check(ErtsRunQueue *rq, Uint32 flags)
+{
+ int wo_reds = rq->wakeup_other_reds;
+ if (wo_reds) {
+ int left_len = rq->len - 1;
+ if (left_len < 1) {
+ int wo_reduce = wo_reds << wakeup_other.dec_shift;
+ wo_reduce &= wakeup_other.dec_mask;
+ rq->wakeup_other -= wo_reduce;
+ if (rq->wakeup_other < 0)
+ rq->wakeup_other = 0;
+ }
+ else {
+ rq->wakeup_other += (left_len*wo_reds
+ + ERTS_WAKEUP_OTHER_FIXED_INC);
+ if (rq->wakeup_other > wakeup_other.limit) {
+ int empty_rqs =
+ erts_smp_atomic32_read_acqb(&no_empty_run_queues);
+ if (flags & ERTS_RUNQ_FLG_PROTECTED)
+ (void) ERTS_RUNQ_FLGS_UNSET(rq, ERTS_RUNQ_FLG_PROTECTED);
+ if (empty_rqs != 0)
+ wake_scheduler_on_empty_runq(rq);
+ rq->wakeup_other = 0;
+ }
+ }
+ rq->wakeup_other_reds = 0;
+ }
+}
+
+static void
+wakeup_other_set_limit(void)
+{
+ switch (wakeup_other.threshold) {
+ case ERTS_SCHED_WAKEUP_OTHER_THRESHOLD_VERY_HIGH:
+ wakeup_other.limit = ERTS_WAKEUP_OTHER_LIMIT_VERY_HIGH;
+ wakeup_other.dec_shift = ERTS_WAKEUP_OTHER_DEC_SHIFT_VERY_HIGH;
+ break;
+ case ERTS_SCHED_WAKEUP_OTHER_THRESHOLD_HIGH:
+ wakeup_other.limit = ERTS_WAKEUP_OTHER_LIMIT_HIGH;
+ wakeup_other.dec_shift = ERTS_WAKEUP_OTHER_DEC_SHIFT_HIGH;
+ break;
+ case ERTS_SCHED_WAKEUP_OTHER_THRESHOLD_MEDIUM:
+ wakeup_other.limit = ERTS_WAKEUP_OTHER_LIMIT_MEDIUM;
+ wakeup_other.dec_shift = ERTS_WAKEUP_OTHER_DEC_SHIFT_MEDIUM;
+ break;
+ case ERTS_SCHED_WAKEUP_OTHER_THRESHOLD_LOW:
+ wakeup_other.limit = ERTS_WAKEUP_OTHER_LIMIT_LOW;
+ wakeup_other.dec_shift = ERTS_WAKEUP_OTHER_DEC_SHIFT_LOW;
+ break;
+ case ERTS_SCHED_WAKEUP_OTHER_THRESHOLD_VERY_LOW:
+ wakeup_other.limit = ERTS_WAKEUP_OTHER_LIMIT_VERY_LOW;
+ wakeup_other.dec_shift = ERTS_WAKEUP_OTHER_DEC_SHIFT_VERY_LOW;
+ break;
+ }
+ if (wakeup_other.dec_shift < 0)
+ wakeup_other.dec_mask = (1 << (sizeof(wakeup_other.dec_mask)*8
+ + wakeup_other.dec_shift)) - 1;
+ else {
+ wakeup_other.dec_mask = 0;
+ wakeup_other.dec_mask = ~wakeup_other.dec_mask;
+ }
+}
+
+static void
+wakeup_other_check_legacy(ErtsRunQueue *rq, Uint32 flags)
+{
+ int wo_reds = rq->wakeup_other_reds;
+ if (wo_reds) {
+ erts_aint32_t len = rq->len;
+ if (len < 2) {
+ rq->wakeup_other -= ERTS_WAKEUP_OTHER_DEC_LEGACY*wo_reds;
+ if (rq->wakeup_other < 0)
+ rq->wakeup_other = 0;
+ }
+ else if (rq->wakeup_other < wakeup_other.limit)
+ rq->wakeup_other += len*wo_reds + ERTS_WAKEUP_OTHER_FIXED_INC_LEGACY;
+ else {
+ if (flags & ERTS_RUNQ_FLG_PROTECTED)
+ (void) ERTS_RUNQ_FLGS_UNSET(rq, ERTS_RUNQ_FLG_PROTECTED);
+ if (erts_smp_atomic32_read_acqb(&no_empty_run_queues) != 0) {
+ wake_scheduler_on_empty_runq(rq);
+ rq->wakeup_other = 0;
+ }
+ rq->wakeup_other = 0;
+ }
+ }
+ rq->wakeup_other_reds = 0;
+}
+
+static void
+wakeup_other_set_limit_legacy(void)
+{
+ switch (wakeup_other.threshold) {
+ case ERTS_SCHED_WAKEUP_OTHER_THRESHOLD_VERY_HIGH:
+ wakeup_other.limit = ERTS_WAKEUP_OTHER_LIMIT_VERY_HIGH_LEGACY;
+ break;
+ case ERTS_SCHED_WAKEUP_OTHER_THRESHOLD_HIGH:
+ wakeup_other.limit = ERTS_WAKEUP_OTHER_LIMIT_HIGH_LEGACY;
+ break;
+ case ERTS_SCHED_WAKEUP_OTHER_THRESHOLD_MEDIUM:
+ wakeup_other.limit = ERTS_WAKEUP_OTHER_LIMIT_MEDIUM_LEGACY;
+ break;
+ case ERTS_SCHED_WAKEUP_OTHER_THRESHOLD_LOW:
+ wakeup_other.limit = ERTS_WAKEUP_OTHER_LIMIT_LOW_LEGACY;
+ break;
+ case ERTS_SCHED_WAKEUP_OTHER_THRESHOLD_VERY_LOW:
+ wakeup_other.limit = ERTS_WAKEUP_OTHER_LIMIT_VERY_LOW_LEGACY;
+ break;
+ }
+}
+
+static void
+set_wakeup_other_data(void)
+{
+ switch (wakeup_other.type) {
+ case ERTS_SCHED_WAKEUP_OTHER_TYPE_PROPOSAL:
+ wakeup_other.check = wakeup_other_check;
+ wakeup_other_set_limit();
+ break;
+ case ERTS_SCHED_WAKEUP_OTHER_TYPE_LEGACY:
+ wakeup_other.check = wakeup_other_check_legacy;
+ wakeup_other_set_limit_legacy();
+ break;
+ }
+}
+
+#endif
+
void
erts_early_init_scheduling(int no_schedulers)
{
aux_work_timeout_early_init(no_schedulers);
- wakeup_other_limit = ERTS_WAKEUP_OTHER_LIMIT_MEDIUM;
+#ifdef ERTS_SMP
+ wakeup_other.threshold = ERTS_SCHED_WAKEUP_OTHER_THRESHOLD_MEDIUM;
+ wakeup_other.type = ERTS_SCHED_WAKEUP_OTHER_TYPE_LEGACY;
+#endif
+ sched_busy_wait.sys_schedule = ERTS_SCHED_SYS_SLEEP_SPINCOUNT_MEDIUM;
+ sched_busy_wait.tse = (ERTS_SCHED_SYS_SLEEP_SPINCOUNT_MEDIUM
+ * ERTS_SCHED_TSE_SLEEP_SPINCOUNT_FACT);
+ sched_busy_wait.aux_work = (ERTS_SCHED_SYS_SLEEP_SPINCOUNT_MEDIUM
+ * ERTS_SCHED_AUX_WORK_SLEEP_SPINCOUNT_FACT_MEDIUM);
}
int
-erts_sched_set_wakeup_limit(char *str)
+erts_sched_set_wakeup_other_thresold(char *str)
{
+ ErtsSchedWakeupOtherThreshold threshold;
if (sys_strcmp(str, "very_high") == 0)
- wakeup_other_limit = ERTS_WAKEUP_OTHER_LIMIT_VERY_HIGH;
+ threshold = ERTS_SCHED_WAKEUP_OTHER_THRESHOLD_VERY_HIGH;
else if (sys_strcmp(str, "high") == 0)
- wakeup_other_limit = ERTS_WAKEUP_OTHER_LIMIT_HIGH;
+ threshold = ERTS_SCHED_WAKEUP_OTHER_THRESHOLD_HIGH;
else if (sys_strcmp(str, "medium") == 0)
- wakeup_other_limit = ERTS_WAKEUP_OTHER_LIMIT_MEDIUM;
+ threshold = ERTS_SCHED_WAKEUP_OTHER_THRESHOLD_MEDIUM;
else if (sys_strcmp(str, "low") == 0)
- wakeup_other_limit = ERTS_WAKEUP_OTHER_LIMIT_LOW;
+ threshold = ERTS_SCHED_WAKEUP_OTHER_THRESHOLD_LOW;
else if (sys_strcmp(str, "very_low") == 0)
- wakeup_other_limit = ERTS_WAKEUP_OTHER_LIMIT_VERY_LOW;
+ threshold = ERTS_SCHED_WAKEUP_OTHER_THRESHOLD_VERY_LOW;
else
return EINVAL;
+#ifdef ERTS_SMP
+ wakeup_other.threshold = threshold;
+ set_wakeup_other_data();
+#endif
return 0;
}
+int
+erts_sched_set_wakeup_other_type(char *str)
+{
+ ErtsSchedWakeupOtherType type;
+ if (sys_strcmp(str, "proposal") == 0)
+ type = ERTS_SCHED_WAKEUP_OTHER_TYPE_PROPOSAL;
+ else if (sys_strcmp(str, "default") == 0)
+ type = ERTS_SCHED_WAKEUP_OTHER_TYPE_LEGACY;
+ else if (sys_strcmp(str, "legacy") == 0)
+ type = ERTS_SCHED_WAKEUP_OTHER_TYPE_LEGACY;
+ else
+ return EINVAL;
+#ifdef ERTS_SMP
+ wakeup_other.type = type;
+#endif
+ return 0;
+}
+
+int
+erts_sched_set_busy_wait_threshold(char *str)
+{
+ int sys_sched;
+ int aux_work_fact;
+
+ if (sys_strcmp(str, "very_long") == 0) {
+ sys_sched = ERTS_SCHED_SYS_SLEEP_SPINCOUNT_VERY_LONG;
+ aux_work_fact = ERTS_SCHED_AUX_WORK_SLEEP_SPINCOUNT_FACT_VERY_LONG;
+ }
+ else if (sys_strcmp(str, "long") == 0) {
+ sys_sched = ERTS_SCHED_SYS_SLEEP_SPINCOUNT_LONG;
+ aux_work_fact = ERTS_SCHED_AUX_WORK_SLEEP_SPINCOUNT_FACT_LONG;
+ }
+ else if (sys_strcmp(str, "medium") == 0) {
+ sys_sched = ERTS_SCHED_SYS_SLEEP_SPINCOUNT_MEDIUM;
+ aux_work_fact = ERTS_SCHED_AUX_WORK_SLEEP_SPINCOUNT_FACT_MEDIUM;
+ }
+ else if (sys_strcmp(str, "short") == 0) {
+ sys_sched = ERTS_SCHED_SYS_SLEEP_SPINCOUNT_SHORT;
+ aux_work_fact = ERTS_SCHED_AUX_WORK_SLEEP_SPINCOUNT_FACT_SHORT;
+ }
+ else if (sys_strcmp(str, "very_short") == 0) {
+ sys_sched = ERTS_SCHED_SYS_SLEEP_SPINCOUNT_VERY_SHORT;
+ aux_work_fact = ERTS_SCHED_AUX_WORK_SLEEP_SPINCOUNT_FACT_VERY_SHORT;
+ }
+ else if (sys_strcmp(str, "none") == 0) {
+ sys_sched = ERTS_SCHED_SYS_SLEEP_SPINCOUNT_NONE;
+ aux_work_fact = ERTS_SCHED_AUX_WORK_SLEEP_SPINCOUNT_FACT_NONE;
+ }
+ else {
+ return EINVAL;
+ }
+
+ sched_busy_wait.sys_schedule = sys_sched;
+ sched_busy_wait.tse = sys_sched*ERTS_SCHED_TSE_SLEEP_SPINCOUNT_FACT;
+ sched_busy_wait.aux_work = sys_sched*aux_work_fact;
+
+ return 0;
+}
static void
-init_aux_work_data(ErtsAuxWorkData *awdp, ErtsSchedulerData *esdp)
+init_aux_work_data(ErtsAuxWorkData *awdp, ErtsSchedulerData *esdp, char *dawwp)
{
awdp->sched_id = esdp ? (int) esdp->no : 0;
awdp->esdp = esdp;
@@ -4186,15 +4604,39 @@ init_aux_work_data(ErtsAuxWorkData *awdp, ErtsSchedulerData *esdp)
#endif
awdp->async_ready.queue = NULL;
#endif
+#ifdef ERTS_SMP
+ if (!dawwp) {
+ awdp->delayed_wakeup.job = NULL;
+ awdp->delayed_wakeup.sched2jix = NULL;
+ awdp->delayed_wakeup.jix = -1;
+ }
+ else {
+ int i;
+ awdp->delayed_wakeup.job = (ErtsDelayedAuxWorkWakeupJob *) dawwp;
+ dawwp += sizeof(ErtsDelayedAuxWorkWakeupJob)*(erts_no_schedulers+1);
+ awdp->delayed_wakeup.sched2jix = (int *) dawwp;
+ awdp->delayed_wakeup.jix = -1;
+ for (i = 0; i <= erts_no_schedulers; i++)
+ awdp->delayed_wakeup.sched2jix[i] = -1;
+ }
+#endif
}
void
erts_init_scheduling(int no_schedulers, int no_schedulers_online)
{
int ix, n, no_ssi;
+ char *daww_ptr;
+#ifdef ERTS_SMP
+ size_t daww_sz;
+#endif
init_misc_op_list_alloc();
+#ifdef ERTS_SMP
+ set_wakeup_other_data();
+#endif
+
ASSERT(no_schedulers_online <= no_schedulers);
ASSERT(no_schedulers_online >= 1);
ASSERT(no_schedulers >= 1);
@@ -4310,6 +4752,15 @@ erts_init_scheduling(int no_schedulers, int no_schedulers_online)
/* Create and initialize scheduler specific data */
+#ifdef ERTS_SMP
+ daww_sz = ERTS_ALC_CACHE_LINE_ALIGN_SIZE((sizeof(ErtsDelayedAuxWorkWakeupJob)
+ + sizeof(int))*(n+1));
+ daww_ptr = erts_alloc_permanent_cache_aligned(ERTS_ALC_T_SCHDLR_DATA,
+ daww_sz*n);
+#else
+ daww_ptr = NULL;
+#endif
+
erts_aligned_scheduler_data =
erts_alloc_permanent_cache_aligned(ERTS_ALC_T_SCHDLR_DATA,
n*sizeof(ErtsAlignedSchedulerData));
@@ -4344,7 +4795,10 @@ erts_init_scheduling(int no_schedulers, int no_schedulers_online)
esdp->run_queue = ERTS_RUNQ_IX(ix);
esdp->run_queue->scheduler = esdp;
- init_aux_work_data(&esdp->aux_work_data, esdp);
+ init_aux_work_data(&esdp->aux_work_data, esdp, daww_ptr);
+#ifdef ERTS_SMP
+ daww_ptr += daww_sz;
+#endif
init_sched_wall_time(&esdp->sched_wall_time);
}
@@ -4857,7 +5311,9 @@ suspend_scheduler(ErtsSchedulerData *esdp)
sched_wall_time_change(esdp, 1);
}
if (aux_work)
- aux_work = handle_aux_work(&esdp->aux_work_data, aux_work);
+ aux_work = handle_aux_work(&esdp->aux_work_data,
+ aux_work,
+ 1);
if (aux_work && erts_thr_progress_update(esdp))
erts_thr_progress_leader_update(esdp);
if (qmask) {
@@ -6529,7 +6985,7 @@ Process *schedule(Process *p, int calls)
if (leader_update)
erts_thr_progress_leader_update(esdp);
if (aux_work)
- handle_aux_work(&esdp->aux_work_data, aux_work);
+ handle_aux_work(&esdp->aux_work_data, aux_work, 0);
erts_smp_runq_lock(rq);
}
}
@@ -6542,7 +6998,7 @@ Process *schedule(Process *p, int calls)
erts_aint32_t aux_work;
aux_work = erts_atomic32_read_acqb(&esdp->ssi->aux_work);
if (aux_work)
- handle_aux_work(&esdp->aux_work_data, aux_work);
+ handle_aux_work(&esdp->aux_work_data, aux_work, 0);
}
#endif /* ERTS_SMP */
@@ -6570,7 +7026,7 @@ Process *schedule(Process *p, int calls)
goto continue_check_activities_to_run;
}
- ERTS_RUNQ_FLGS_UNSET(rq, ERTS_RUNQ_FLG_PROTECTED);
+ (void) ERTS_RUNQ_FLGS_UNSET(rq, ERTS_RUNQ_FLG_PROTECTED);
/*
* Check for ERTS_RUNQ_FLG_SUSPENDED has to be done
@@ -6624,29 +7080,7 @@ Process *schedule(Process *p, int calls)
exec_misc_ops(rq);
#ifdef ERTS_SMP
- {
- int wo_reds = rq->wakeup_other_reds;
- if (wo_reds) {
- erts_aint32_t len = rq->len;
- if (len < 2) {
- rq->wakeup_other -= ERTS_WAKEUP_OTHER_DEC*wo_reds;
- if (rq->wakeup_other < 0)
- rq->wakeup_other = 0;
- }
- else if (rq->wakeup_other < wakeup_other_limit)
- rq->wakeup_other += len*wo_reds + ERTS_WAKEUP_OTHER_FIXED_INC;
- else {
- if (flags & ERTS_RUNQ_FLG_PROTECTED)
- ERTS_RUNQ_FLGS_UNSET(rq, ERTS_RUNQ_FLG_PROTECTED);
- if (erts_smp_atomic32_read_acqb(&no_empty_run_queues) != 0) {
- wake_scheduler_on_empty_runq(rq);
- rq->wakeup_other = 0;
- }
- rq->wakeup_other = 0;
- }
- }
- rq->wakeup_other_reds = 0;
- }
+ wakeup_other.check(rq, flags);
#endif
/*
@@ -6741,7 +7175,7 @@ Process *schedule(Process *p, int calls)
erts_smp_runq_unlock(rq);
if (flags & ERTS_RUNQ_FLG_PROTECTED)
- ERTS_RUNQ_FLGS_UNSET(rq, ERTS_RUNQ_FLG_PROTECTED);
+ (void) ERTS_RUNQ_FLGS_UNSET(rq, ERTS_RUNQ_FLG_PROTECTED);
ERTS_SMP_CHK_NO_PROC_LOCKS;
@@ -6778,7 +7212,6 @@ Process *schedule(Process *p, int calls)
/* Never run a suspended process */
ASSERT(!(ERTS_PSFLG_SUSPENDED & erts_smp_atomic32_read_nob(&p->state)));
- ACTIVATE(p);
reds = context_reds;
if (IS_TRACED(p)) {
@@ -6814,7 +7247,6 @@ Process *schedule(Process *p, int calls)
}
p->fcalls = reds;
- ASSERT(IS_ACTIVE(p));
ERTS_SMP_CHK_HAVE_ONLY_MAIN_PROC_LOCK(p);
return p;
}
@@ -7215,9 +7647,7 @@ erl_create_process(Process* parent, /* Parent of process (default group leader).
ErtsRunQueue *rq = NULL;
Process *p;
Sint arity; /* Number of arguments. */
-#ifndef HYBRID
Uint arg_size; /* Size of arguments. */
-#endif
Uint sz; /* Needed words on heap. */
Uint heap_need; /* Size needed on heap. */
Eterm res = THE_NON_VALUE;
@@ -7228,17 +7658,6 @@ erl_create_process(Process* parent, /* Parent of process (default group leader).
erts_smp_proc_lock(parent, ERTS_PROC_LOCKS_ALL_MINOR);
#endif
-#ifdef HYBRID
- /*
- * Copy the arguments to the global heap
- * Since global GC might occur we want to do this before adding the
- * new process to the erts_proc.tab.
- */
- BM_SWAP_TIMER(system,copy);
- LAZY_COPY(parent,args);
- BM_SWAP_TIMER(copy,system);
- heap_need = 0;
-#endif /* HYBRID */
/*
* Check for errors.
*/
@@ -7277,12 +7696,10 @@ erl_create_process(Process* parent, /* Parent of process (default group leader).
#endif
BM_COUNT(processes_spawned);
-#ifndef HYBRID
BM_SWAP_TIMER(system,size);
arg_size = size_object(args);
BM_SWAP_TIMER(size,system);
heap_need = arg_size;
-#endif
p->flags = erts_default_process_flags;
@@ -7327,9 +7744,6 @@ erl_create_process(Process* parent, /* Parent of process (default group leader).
p->heap = (Eterm *) ERTS_HEAP_ALLOC(ERTS_ALC_T_HEAP, sizeof(Eterm)*sz);
p->old_hend = p->old_htop = p->old_heap = NULL;
p->high_water = p->heap;
-#ifdef INCREMENTAL
- p->scan_top = p->high_water;
-#endif
p->gen_gcs = 0;
p->stop = p->hend = p->heap + sz;
p->htop = p->heap;
@@ -7355,19 +7769,10 @@ erl_create_process(Process* parent, /* Parent of process (default group leader).
BM_STOP_TIMER(system);
BM_MESSAGE(args,p,parent);
BM_START_TIMER(system);
-#ifdef HYBRID
- p->arg_reg[2] = args;
-#ifdef INCREMENTAL
- p->active = 0;
- if (ptr_val(args) >= inc_fromspc && ptr_val(args) < inc_fromend)
- INC_ACTIVATE(p);
-#endif
-#else
BM_SWAP_TIMER(system,copy);
p->arg_reg[2] = copy_struct(args, arg_size, &p->htop, &p->off_heap);
BM_MESSAGE_COPIED(arg_size);
BM_SWAP_TIMER(copy,system);
-#endif
p->arity = 3;
p->fvalue = NIL;
@@ -7424,13 +7829,6 @@ erl_create_process(Process* parent, /* Parent of process (default group leader).
#endif
p->parent = parent->id == ERTS_INVALID_PID ? NIL : parent->id;
-#ifdef HYBRID
- p->rrma = NULL;
- p->rrsrc = NULL;
- p->nrr = 0;
- p->rrsz = 0;
-#endif
-
INIT_HOLE_CHECK(p);
#ifdef DEBUG
p->last_old_htop = NULL;
@@ -7499,15 +7897,6 @@ erl_create_process(Process* parent, /* Parent of process (default group leader).
so->mref = mref;
}
-#ifdef HYBRID
- /*
- * Add process to the array of active processes.
- */
- ACTIVATE(p);
- p->active_index = erts_num_active_procs++;
- erts_active_procs[p->active_index] = p;
-#endif
-
#ifdef ERTS_SMP
p->scheduler_data = NULL;
p->suspendee = NIL;
@@ -7591,9 +7980,6 @@ void erts_init_empty_process(Process *p)
p->reg = NULL;
p->heap_sz = 0;
p->high_water = NULL;
-#ifdef INCREMENTAL
- p->scan_top = NULL;
-#endif
p->old_hend = NULL;
p->old_htop = NULL;
p->old_heap = NULL;
@@ -7645,14 +8031,6 @@ void erts_init_empty_process(Process *p)
#endif
#endif
- ACTIVATE(p);
-
-#ifdef HYBRID
- p->rrma = NULL;
- p->rrsrc = NULL;
- p->nrr = 0;
- p->rrsz = 0;
-#endif
INIT_HOLE_CHECK(p);
#ifdef DEBUG
p->last_old_htop = NULL;
@@ -7698,9 +8076,6 @@ erts_debug_verify_clean_empty_process(Process* p)
ASSERT(p->reg == NULL);
ASSERT(p->heap_sz == 0);
ASSERT(p->high_water == NULL);
-#ifdef INCREMENTAL
- ASSERT(p->scan_top == NULL);
-#endif
ASSERT(p->old_hend == NULL);
ASSERT(p->old_htop == NULL);
ASSERT(p->old_heap == NULL);
@@ -7848,22 +8223,6 @@ delete_process(Process* p)
ASSERT(!p->suspend_monitors);
p->fvalue = NIL;
-
-#ifdef HYBRID
- erts_active_procs[p->active_index] =
- erts_active_procs[--erts_num_active_procs];
- erts_active_procs[p->active_index]->active_index = p->active_index;
-#ifdef INCREMENTAL
- if (INC_IS_ACTIVE(p))
- INC_DEACTIVATE(p);
-#endif
-
- if (p->rrma != NULL) {
- erts_free(ERTS_ALC_T_ROOTSET,p->rrma);
- erts_free(ERTS_ALC_T_ROOTSET,p->rrsrc);
- }
-#endif
-
}
static ERTS_INLINE erts_aint32_t
@@ -8252,7 +8611,6 @@ send_exit_signal(Process *c_p, /* current process if and only
? rsn
: copy_object(rsn, rp)),
NULL);
- ACTIVATE(rp);
}
#endif
return -1; /* Receiver will exit */
@@ -9861,13 +10219,8 @@ init_processes_bif(void)
+ 1);
/* processes_trap/2 is a hidden BIF that the processes/0 BIF traps to. */
- sys_memset((void *) &processes_trap_export, 0, sizeof(Export));
- processes_trap_export.address = &processes_trap_export.code[3];
- processes_trap_export.code[0] = am_erlang;
- processes_trap_export.code[1] = am_processes_trap;
- processes_trap_export.code[2] = 2;
- processes_trap_export.code[3] = (BeamInstr) em_apply_bif;
- processes_trap_export.code[4] = (BeamInstr) &processes_trap;
+ erts_init_trap_export(&processes_trap_export, am_erlang, am_processes_trap, 2,
+ &processes_trap);
}