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-rw-r--r--erts/emulator/beam/erl_alloc_util.c2
-rw-r--r--erts/emulator/beam/erl_process.c52
-rw-r--r--erts/emulator/beam/erl_sched_spec_pre_alloc.c2
-rw-r--r--erts/emulator/beam/erl_thr_progress.c8
-rw-r--r--erts/emulator/beam/erl_thr_progress.h36
-rw-r--r--erts/emulator/beam/erl_thr_queue.c2
6 files changed, 69 insertions, 33 deletions
diff --git a/erts/emulator/beam/erl_alloc_util.c b/erts/emulator/beam/erl_alloc_util.c
index e0d525bdde..a0abd1c405 100644
--- a/erts/emulator/beam/erl_alloc_util.c
+++ b/erts/emulator/beam/erl_alloc_util.c
@@ -949,7 +949,7 @@ ddq_check_incoming(ErtsAllctrDDQueue_t *ddq)
ERTS_THR_MEMORY_BARRIER;
else {
ddq->head.next.unref_end = (ErtsAllctrDDBlock_t *) ilast;
- ddq->head.next.thr_progress = erts_thr_progress_later();
+ ddq->head.next.thr_progress = erts_thr_progress_later(NULL);
erts_atomic32_set_relb(&ddq->tail.data.um_refc_ix,
um_refc_ix);
ddq->head.next.um_refc_ix = um_refc_ix == 0 ? 1 : 0;
diff --git a/erts/emulator/beam/erl_process.c b/erts/emulator/beam/erl_process.c
index 95d408f79d..854360f641 100644
--- a/erts/emulator/beam/erl_process.c
+++ b/erts/emulator/beam/erl_process.c
@@ -906,13 +906,13 @@ 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) {
@@ -922,6 +922,21 @@ 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);
+ }
+}
+
#endif
typedef struct erts_misc_aux_work_t_ erts_misc_aux_work_t;
@@ -1020,7 +1035,7 @@ 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;
@@ -1125,7 +1140,7 @@ 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;
}
@@ -1206,7 +1221,7 @@ 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;
@@ -1227,7 +1242,7 @@ 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;
@@ -1249,7 +1264,7 @@ 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);
}
@@ -1438,7 +1453,7 @@ 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) \
@@ -1456,7 +1471,7 @@ 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);
@@ -1522,6 +1537,11 @@ handle_aux_work(ErtsAuxWorkData *awdp, erts_aint32_t orig_aux_work)
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
@@ -1982,7 +2002,7 @@ 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);
}
@@ -2061,7 +2081,7 @@ 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);
}
@@ -2163,7 +2183,7 @@ 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);
@@ -4170,7 +4190,9 @@ suspend_scheduler(ErtsSchedulerData *esdp)
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);
}
@@ -6412,7 +6434,7 @@ 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);
}
}
@@ -6425,7 +6447,7 @@ 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 */
diff --git a/erts/emulator/beam/erl_sched_spec_pre_alloc.c b/erts/emulator/beam/erl_sched_spec_pre_alloc.c
index bff9d246a3..37b186abd9 100644
--- a/erts/emulator/beam/erl_sched_spec_pre_alloc.c
+++ b/erts/emulator/beam/erl_sched_spec_pre_alloc.c
@@ -227,7 +227,7 @@ fetch_remote(erts_sspa_chunk_header_t *chdr, int max)
ERTS_THR_MEMORY_BARRIER;
else {
chdr->head.next.unref_end = (erts_sspa_blk_t *) ilast;
- chdr->head.next.thr_progress = erts_thr_progress_later();
+ chdr->head.next.thr_progress = erts_thr_progress_later(NULL);
erts_atomic32_set_relb(&chdr->tail.data.um_refc_ix,
um_refc_ix);
chdr->head.next.um_refc_ix = um_refc_ix == 0 ? 1 : 0;
diff --git a/erts/emulator/beam/erl_thr_progress.c b/erts/emulator/beam/erl_thr_progress.c
index 9ef83746c5..88524bdd4c 100644
--- a/erts/emulator/beam/erl_thr_progress.c
+++ b/erts/emulator/beam/erl_thr_progress.c
@@ -891,16 +891,16 @@ has_reached_wakeup(ErtsThrPrgrVal wakeup)
ErtsThrPrgrVal limit;
/*
* erts_thr_progress_later() returns values which are
- * equal to 'current + 2'. That is, users should never
- * get a hold of values larger than that.
+ * equal to 'current + 2', or 'current + 3'. That is, users
+ * should never get a hold of values larger than that.
*
- * That is, valid values are values less than 'current + 3'.
+ * That is, valid values are values less than 'current + 4'.
*
* Values larger than this won't work with the wakeup
* algorithm.
*/
- limit = current + 3;
+ limit = current + 4;
if (limit == ERTS_THR_PRGR_VAL_WAITING)
limit = 0;
else if (limit < current) /* Wrapped */
diff --git a/erts/emulator/beam/erl_thr_progress.h b/erts/emulator/beam/erl_thr_progress.h
index a71724b813..89486b065b 100644
--- a/erts/emulator/beam/erl_thr_progress.h
+++ b/erts/emulator/beam/erl_thr_progress.h
@@ -139,11 +139,12 @@ ERTS_GLB_INLINE ErtsThrPrgrVal erts_thr_prgr_read_mb__(ERTS_THR_PRGR_ATOMIC *atm
ERTS_GLB_INLINE int erts_thr_progress_is_managed_thread(void);
ERTS_GLB_INLINE ErtsThrPrgrVal erts_thr_progress_current_to_later__(ErtsThrPrgrVal val);
-ERTS_GLB_INLINE ErtsThrPrgrVal erts_thr_progress_later_than(ErtsThrPrgrVal val);
-ERTS_GLB_INLINE ErtsThrPrgrVal erts_thr_progress_later(void);
+ERTS_GLB_INLINE ErtsThrPrgrVal erts_thr_progress_later(ErtsSchedulerData *);
ERTS_GLB_INLINE ErtsThrPrgrVal erts_thr_progress_current(void);
ERTS_GLB_INLINE int erts_thr_progress_has_passed__(ErtsThrPrgrVal val1, ErtsThrPrgrVal val2);
ERTS_GLB_INLINE int erts_thr_progress_has_reached_this(ErtsThrPrgrVal this, ErtsThrPrgrVal val);
+ERTS_GLB_INLINE int erts_thr_progress_equal(ErtsThrPrgrVal val1,
+ ErtsThrPrgrVal val2);
ERTS_GLB_INLINE int erts_thr_progress_cmp(ErtsThrPrgrVal val1, ErtsThrPrgrVal val2);
ERTS_GLB_INLINE int erts_thr_progress_has_reached(ErtsThrPrgrVal val);
@@ -230,16 +231,23 @@ erts_thr_progress_current_to_later__(ErtsThrPrgrVal val)
}
ERTS_GLB_INLINE ErtsThrPrgrVal
-erts_thr_progress_later_than(ErtsThrPrgrVal val)
+erts_thr_progress_later(ErtsSchedulerData *esdp)
{
- ERTS_THR_MEMORY_BARRIER;
- return erts_thr_progress_current_to_later__(val);
-}
-
-ERTS_GLB_INLINE ErtsThrPrgrVal
-erts_thr_progress_later(void)
-{
- ErtsThrPrgrVal val = erts_thr_prgr_read_mb__(&erts_thr_prgr__.current);
+ ErtsThrPrgrData *tpd;
+ ErtsThrPrgrVal val;
+ if (esdp) {
+ tpd = &esdp->thr_progress_data;
+ managed_thread:
+ val = tpd->previous.local;
+ ERTS_THR_MEMORY_BARRIER;
+ }
+ else {
+ tpd = erts_tsd_get(erts_thr_prgr_data_key__);
+ if (tpd && tpd->is_managed)
+ goto managed_thread;
+ val = erts_thr_prgr_read_mb__(&erts_thr_prgr__.current);
+ }
+ ASSERT(val != ERTS_THR_PRGR_VAL_WAITING);
return erts_thr_progress_current_to_later__(val);
}
@@ -279,6 +287,12 @@ erts_thr_progress_has_reached_this(ErtsThrPrgrVal this, ErtsThrPrgrVal val)
}
ERTS_GLB_INLINE int
+erts_thr_progress_equal(ErtsThrPrgrVal val1, ErtsThrPrgrVal val2)
+{
+ return val1 == val2 && val1 != ERTS_THR_PRGR_INVALID;
+}
+
+ERTS_GLB_INLINE int
erts_thr_progress_cmp(ErtsThrPrgrVal val1, ErtsThrPrgrVal val2)
{
if (val1 == val2)
diff --git a/erts/emulator/beam/erl_thr_queue.c b/erts/emulator/beam/erl_thr_queue.c
index 70949ece76..f07964a265 100644
--- a/erts/emulator/beam/erl_thr_queue.c
+++ b/erts/emulator/beam/erl_thr_queue.c
@@ -422,7 +422,7 @@ clean(ErtsThrQ_t *q, int max_ops, int do_notify)
else {
q->head.next.unref_end = (ErtsThrQElement_t *) ilast;
#ifdef ERTS_SMP
- q->head.next.thr_progress = erts_thr_progress_later();
+ q->head.next.thr_progress = erts_thr_progress_later(NULL);
#endif
erts_atomic32_set_relb(&q->tail.data.um_refc_ix,
um_refc_ix);
generated by cgit v1.2.3 (git 2.25.1) at 2024-06-29 05:00:31 +0000