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Diffstat (limited to 'erts/emulator/beam/erl_process.c')
-rw-r--r--erts/emulator/beam/erl_process.c52
1 files changed, 37 insertions, 15 deletions
diff --git a/erts/emulator/beam/erl_process.c b/erts/emulator/beam/erl_process.c
index c74f8f131f..a63fd98d15 100644
--- a/erts/emulator/beam/erl_process.c
+++ b/erts/emulator/beam/erl_process.c
@@ -1149,13 +1149,13 @@ 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 +1165,21 @@ 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;
@@ -1263,7 +1278,7 @@ 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 +1383,7 @@ 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;
}
@@ -1449,7 +1464,7 @@ 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 +1485,7 @@ 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 +1507,7 @@ 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 +1696,7 @@ 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 +1714,7 @@ 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);
@@ -1765,6 +1780,11 @@ 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
@@ -2223,7 +2243,7 @@ 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);
}
@@ -2302,7 +2322,7 @@ 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);
}
@@ -2404,7 +2424,7 @@ 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);
@@ -4857,7 +4877,9 @@ 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 +6551,7 @@ 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 +6564,7 @@ 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 */
generated by cgit v1.2.3 (git 2.25.1) at 2024-11-13 10:30:06 +0000