aboutsummaryrefslogtreecommitdiffstats
path: root/erts/emulator/beam
diff options
context:
space:
mode:
Diffstat (limited to 'erts/emulator/beam')
-rw-r--r--erts/emulator/beam/atom.names4
-rw-r--r--erts/emulator/beam/erl_bif_info.c34
-rw-r--r--erts/emulator/beam/erl_process.c188
-rw-r--r--erts/emulator/beam/erl_process.h23
4 files changed, 181 insertions, 68 deletions
diff --git a/erts/emulator/beam/atom.names b/erts/emulator/beam/atom.names
index 477a7676d6..a44d23b181 100644
--- a/erts/emulator/beam/atom.names
+++ b/erts/emulator/beam/atom.names
@@ -76,6 +76,7 @@ atom ac
atom accessor
atom active
atom active_tasks
+atom active_tasks_all
atom alive
atom all
atom all_but_first
@@ -567,6 +568,7 @@ atom return_to
atom return_trace
atom run_queue
atom run_queue_lengths
+atom run_queue_lengths_all
atom runnable
atom runnable_ports
atom runnable_procs
@@ -656,8 +658,10 @@ atom Times='*'
atom timestamp
atom total
atom total_active_tasks
+atom total_active_tasks_all
atom total_heap_size
atom total_run_queue_lengths
+atom total_run_queue_lengths_all
atom tpkt
atom trace trace_ts traced
atom trace_control_word
diff --git a/erts/emulator/beam/erl_bif_info.c b/erts/emulator/beam/erl_bif_info.c
index 5fc70dfc02..e2773475b0 100644
--- a/erts/emulator/beam/erl_bif_info.c
+++ b/erts/emulator/beam/erl_bif_info.c
@@ -3450,9 +3450,15 @@ BIF_RETTYPE statistics_1(BIF_ALIST_1)
if (is_non_value(res))
BIF_RET(am_undefined);
BIF_TRAP1(gather_sched_wall_time_res_trap, BIF_P, res);
- } else if (BIF_ARG_1 == am_total_active_tasks
- || BIF_ARG_1 == am_total_run_queue_lengths) {
- Uint no = erts_run_queues_len(NULL, 0, BIF_ARG_1 == am_total_active_tasks);
+ } else if ((BIF_ARG_1 == am_total_active_tasks)
+ | (BIF_ARG_1 == am_total_run_queue_lengths)
+ | (BIF_ARG_1 == am_total_active_tasks_all)
+ | (BIF_ARG_1 == am_total_run_queue_lengths_all)) {
+ Uint no = erts_run_queues_len(NULL, 0,
+ ((BIF_ARG_1 == am_total_active_tasks)
+ | (BIF_ARG_1 == am_total_active_tasks_all)),
+ ((BIF_ARG_1 == am_total_active_tasks_all)
+ | (BIF_ARG_1 == am_total_run_queue_lengths_all)));
if (IS_USMALL(0, no))
res = make_small(no);
else {
@@ -3460,13 +3466,21 @@ BIF_RETTYPE statistics_1(BIF_ALIST_1)
res = uint_to_big(no, hp);
}
BIF_RET(res);
- } else if (BIF_ARG_1 == am_active_tasks
- || BIF_ARG_1 == am_run_queue_lengths) {
+ } else if ((BIF_ARG_1 == am_active_tasks)
+ | (BIF_ARG_1 == am_run_queue_lengths)
+ | (BIF_ARG_1 == am_active_tasks_all)
+ | (BIF_ARG_1 == am_run_queue_lengths_all)) {
Eterm res, *hp, **hpp;
Uint sz, *szp;
- int no_qs = erts_no_run_queues;
+ int incl_dirty_io = ((BIF_ARG_1 == am_active_tasks_all)
+ | (BIF_ARG_1 == am_run_queue_lengths_all));
+ int no_qs = (erts_no_run_queues + ERTS_NUM_DIRTY_CPU_RUNQS +
+ (incl_dirty_io ? ERTS_NUM_DIRTY_IO_RUNQS : 0));
Uint *qszs = erts_alloc(ERTS_ALC_T_TMP,sizeof(Uint)*no_qs*2);
- (void) erts_run_queues_len(qszs, 0, BIF_ARG_1 == am_active_tasks);
+ (void) erts_run_queues_len(qszs, 0,
+ ((BIF_ARG_1 == am_active_tasks)
+ | (BIF_ARG_1 == am_active_tasks_all)),
+ incl_dirty_io);
sz = 0;
szp = &sz;
hpp = NULL;
@@ -3539,7 +3553,7 @@ BIF_RETTYPE statistics_1(BIF_ALIST_1)
res = TUPLE2(hp, b1, b2);
BIF_RET(res);
} else if (BIF_ARG_1 == am_run_queue) {
- res = erts_run_queues_len(NULL, 1, 0);
+ res = erts_run_queues_len(NULL, 1, 0, 0);
BIF_RET(make_small(res));
} else if (BIF_ARG_1 == am_wall_clock) {
UWord w1, w2;
@@ -3557,9 +3571,9 @@ BIF_RETTYPE statistics_1(BIF_ALIST_1)
else if (ERTS_IS_ATOM_STR("run_queues", BIF_ARG_1)) {
Eterm res, *hp, **hpp;
Uint sz, *szp;
- int no_qs = erts_no_run_queues;
+ int no_qs = erts_no_run_queues + ERTS_NUM_DIRTY_RUNQS;
Uint *qszs = erts_alloc(ERTS_ALC_T_TMP,sizeof(Uint)*no_qs*2);
- (void) erts_run_queues_len(qszs, 0, 0);
+ (void) erts_run_queues_len(qszs, 0, 0, 1);
sz = 0;
szp = &sz;
hpp = NULL;
diff --git a/erts/emulator/beam/erl_process.c b/erts/emulator/beam/erl_process.c
index a56ef4aedb..6f96833b21 100644
--- a/erts/emulator/beam/erl_process.c
+++ b/erts/emulator/beam/erl_process.c
@@ -405,13 +405,59 @@ static erts_atomic_t runq_supervisor_sleeping;
ErtsSchedulerData *erts_scheduler_data;
#endif
-ErtsAlignedRunQueue *erts_aligned_run_queues;
-Uint erts_no_run_queues;
+ErtsAlignedRunQueue * ERTS_WRITE_UNLIKELY(erts_aligned_run_queues);
+Uint ERTS_WRITE_UNLIKELY(erts_no_run_queues);
-ErtsAlignedSchedulerData *erts_aligned_scheduler_data;
#ifdef ERTS_DIRTY_SCHEDULERS
-ErtsAlignedSchedulerData *erts_aligned_dirty_cpu_scheduler_data;
-ErtsAlignedSchedulerData *erts_aligned_dirty_io_scheduler_data;
+
+struct {
+ union {
+ erts_smp_atomic32_t active;
+ char align__[ERTS_CACHE_LINE_SIZE];
+ } cpu;
+ union {
+ erts_smp_atomic32_t active;
+ char align__[ERTS_CACHE_LINE_SIZE];
+ } io;
+} dirty_count erts_align_attribute(ERTS_CACHE_LINE_SIZE);
+
+#endif
+
+static ERTS_INLINE void
+dirty_active(ErtsSchedulerData *esdp, erts_aint32_t add)
+{
+#ifdef ERTS_DIRTY_SCHEDULERS
+ erts_aint32_t val;
+ erts_smp_atomic32_t *ap;
+ switch (esdp->type) {
+ case ERTS_SCHED_DIRTY_CPU:
+ ap = &dirty_count.cpu.active;
+ break;
+ case ERTS_SCHED_DIRTY_IO:
+ ap = &dirty_count.io.active;
+ break;
+ default:
+ ap = NULL;
+ ERTS_INTERNAL_ERROR("Not a dirty scheduler");
+ break;
+ }
+
+ /*
+ * All updates done under run-queue lock, so
+ * no inc or dec needed...
+ */
+ ERTS_SMP_ASSERT(erts_smp_lc_runq_is_locked(esdp->run_queue));
+
+ val = erts_smp_atomic32_read_nob(ap);
+ val += add;
+ erts_smp_atomic32_set_nob(ap, val);
+#endif
+}
+
+ErtsAlignedSchedulerData * ERTS_WRITE_UNLIKELY(erts_aligned_scheduler_data);
+#ifdef ERTS_DIRTY_SCHEDULERS
+ErtsAlignedSchedulerData * ERTS_WRITE_UNLIKELY(erts_aligned_dirty_cpu_scheduler_data);
+ErtsAlignedSchedulerData * ERTS_WRITE_UNLIKELY(erts_aligned_dirty_io_scheduler_data);
typedef union {
Process dsp;
char align[ERTS_ALC_CACHE_LINE_ALIGN_SIZE(sizeof(Process))];
@@ -539,22 +585,28 @@ do { \
} \
} while (0)
-#define ERTS_ATOMIC_FOREACH_RUNQ_X(RQVAR, DO, DOX) \
+#define ERTS_ATOMIC_FOREACH_RUNQ_X(RQVAR, NRQS, DO, DOX) \
do { \
ErtsRunQueue *RQVAR; \
+ int nrqs = (NRQS); \
int ix__; \
- for (ix__ = 0; ix__ < erts_no_run_queues; ix__++) { \
+ for (ix__ = 0; ix__ < nrqs; ix__++) { \
RQVAR = ERTS_RUNQ_IX(ix__); \
erts_smp_runq_lock(RQVAR); \
{ DO; } \
} \
{ DOX; } \
- for (ix__ = 0; ix__ < erts_no_run_queues; ix__++) \
+ for (ix__ = 0; ix__ < nrqs; ix__++) \
erts_smp_runq_unlock(ERTS_RUNQ_IX(ix__)); \
} while (0)
-#define ERTS_ATOMIC_FOREACH_RUNQ(RQVAR, DO) \
- ERTS_ATOMIC_FOREACH_RUNQ_X(RQVAR, DO, )
+#define ERTS_ATOMIC_FOREACH_RUNQ(RQVAR, DO) \
+ ERTS_ATOMIC_FOREACH_RUNQ_X(RQVAR, erts_no_run_queues + ERTS_NUM_DIRTY_RUNQS, DO, )
+
+#define ERTS_ATOMIC_FOREACH_NORMAL_RUNQ(RQVAR, DO) \
+ ERTS_ATOMIC_FOREACH_RUNQ_X(RQVAR, erts_no_run_queues, DO, )
+
+
/*
* Local functions.
*/
@@ -2977,7 +3029,7 @@ erts_active_schedulers(void)
{
Uint as = erts_no_schedulers;
- ERTS_ATOMIC_FOREACH_RUNQ(rq, as -= abs(rq->waiting));
+ ERTS_ATOMIC_FOREACH_NORMAL_RUNQ(rq, as -= abs(rq->waiting));
return as;
}
@@ -3396,6 +3448,7 @@ scheduler_wait(int *fcalls, ErtsSchedulerData *esdp, ErtsRunQueue *rq)
rq->sleepers.list->prev = ssi;
rq->sleepers.list = ssi;
erts_smp_spin_unlock(&rq->sleepers.lock);
+ dirty_active(esdp, -1);
}
#endif
@@ -3737,6 +3790,9 @@ scheduler_wait(int *fcalls, ErtsSchedulerData *esdp, ErtsRunQueue *rq)
sched_active_sys(esdp->no, rq);
}
+ if (ERTS_SCHEDULER_IS_DIRTY(esdp))
+ dirty_active(esdp, 1);
+
ERTS_SMP_LC_ASSERT(erts_smp_lc_runq_is_locked(rq));
}
@@ -6136,7 +6192,7 @@ erts_init_scheduling(int no_schedulers, int no_schedulers_online
#endif
)
{
- int ix, n, no_ssi;
+ int ix, n, no_ssi, tot_rqs;
char *daww_ptr;
size_t daww_sz;
size_t size_runqs;
@@ -6169,26 +6225,19 @@ erts_init_scheduling(int no_schedulers, int no_schedulers_online
/* Create and initialize run queues */
n = no_schedulers;
- size_runqs = sizeof(ErtsAlignedRunQueue) * (n + ERTS_NUM_DIRTY_RUNQS);
+ tot_rqs = (n + ERTS_NUM_DIRTY_RUNQS);
+ size_runqs = sizeof(ErtsAlignedRunQueue) * tot_rqs;
erts_aligned_run_queues =
erts_alloc_permanent_cache_aligned(ERTS_ALC_T_RUNQS, size_runqs);
#ifdef ERTS_SMP
-#ifdef ERTS_DIRTY_SCHEDULERS
- erts_aligned_run_queues += ERTS_NUM_DIRTY_RUNQS;
-#endif
erts_smp_atomic32_init_nob(&no_empty_run_queues, 0);
#endif
erts_no_run_queues = n;
- for (ix = -(ERTS_NUM_DIRTY_RUNQS); ix < n; ix++) {
+ for (ix = 0; ix < tot_rqs; ix++) {
int pix, rix;
-#ifdef ERTS_DIRTY_SCHEDULERS
- ErtsRunQueue *rq = ERTS_RUNQ_IX_IS_DIRTY(ix) ?
- ERTS_DIRTY_RUNQ_IX(ix) : ERTS_RUNQ_IX(ix);
-#else
ErtsRunQueue *rq = ERTS_RUNQ_IX(ix);
-#endif
rq->ix = ix;
@@ -6461,6 +6510,11 @@ erts_init_scheduling(int no_schedulers, int no_schedulers_online
ERTS_SCHED_DIRTY_IO,
no_dirty_io_schedulers);
+ erts_smp_atomic32_init_nob(&dirty_count.cpu.active,
+ (erts_aint32_t) no_dirty_cpu_schedulers);
+ erts_smp_atomic32_init_nob(&dirty_count.io.active,
+ (erts_aint32_t) no_dirty_io_schedulers);
+
#endif
if (set_schdlr_sspnd_change_flags)
@@ -7835,6 +7889,7 @@ suspend_scheduler(ErtsSchedulerData *esdp)
#endif
if (sched_type != ERTS_SCHED_NORMAL) {
+ dirty_active(esdp, -1);
erts_smp_runq_unlock(esdp->run_queue);
dirty_sched_wall_time_change(esdp, 0);
}
@@ -8143,7 +8198,9 @@ suspend_scheduler(ErtsSchedulerData *esdp)
erts_smp_runq_lock(esdp->run_queue);
non_empty_runq(esdp->run_queue);
- if (sched_type == ERTS_SCHED_NORMAL) {
+ if (sched_type != ERTS_SCHED_NORMAL)
+ dirty_active(esdp, 1);
+ else {
schedule_bound_processes(esdp->run_queue, &sbp);
erts_sched_check_cpu_bind_post_suspend(esdp);
@@ -9803,38 +9860,69 @@ erts_internal_is_process_executing_dirty_1(BIF_ALIST_1)
BIF_RET(am_false);
}
+static ERTS_INLINE void
+run_queues_len_aux(ErtsRunQueue *rq, Uint *tot_len, Uint *qlen, int *ip, int incl_active_sched, int locked)
+{
+ Sint rq_len;
+
+ if (locked)
+ rq_len = (Sint) erts_smp_atomic32_read_dirty(&rq->len);
+ else
+ rq_len = (Sint) erts_smp_atomic32_read_nob(&rq->len);
+ ASSERT(rq_len >= 0);
+
+ if (incl_active_sched) {
+#ifdef ERTS_DIRTY_SCHEDULERS
+ if (ERTS_RUNQ_IX_IS_DIRTY(rq->ix)) {
+ erts_aint32_t dcnt;
+ if (ERTS_RUNQ_IS_DIRTY_CPU_RUNQ(rq)) {
+ dcnt = erts_smp_atomic32_read_nob(&dirty_count.cpu.active);
+ ASSERT(0 <= dcnt && dcnt <= erts_no_dirty_cpu_schedulers);
+ }
+ else {
+ ASSERT(ERTS_RUNQ_IS_DIRTY_IO_RUNQ(rq));
+ dcnt = erts_smp_atomic32_read_nob(&dirty_count.io.active);
+ ASSERT(0 <= dcnt && dcnt <= erts_no_dirty_io_schedulers);
+ }
+ rq_len += (Sint) dcnt;
+ }
+ else
+#endif
+ {
+ if (ERTS_RUNQ_FLGS_GET_NOB(rq) & ERTS_RUNQ_FLG_EXEC)
+ rq_len++;
+ }
+ }
+ if (qlen)
+ qlen[(*ip)++] = rq_len;
+ *tot_len += (Uint) rq_len;
+}
Uint
-erts_run_queues_len(Uint *qlen, int atomic_queues_read, int incl_active_sched)
+erts_run_queues_len(Uint *qlen, int atomic_queues_read, int incl_active_sched,
+ int incl_dirty_io)
{
- int i = 0;
+ int i = 0, j = 0;
Uint len = 0;
- if (atomic_queues_read)
- ERTS_ATOMIC_FOREACH_RUNQ(rq,
- {
- Sint rq_len = (Sint) erts_smp_atomic32_read_dirty(&rq->len);
- ASSERT(rq_len >= 0);
- if (incl_active_sched
- && (ERTS_RUNQ_FLGS_GET_NOB(rq) & ERTS_RUNQ_FLG_EXEC)) {
- rq_len++;
- }
- if (qlen)
- qlen[i++] = rq_len;
- len += (Uint) rq_len;
- }
- );
+ int no_rqs = erts_no_run_queues;
+
+#ifdef ERTS_DIRTY_SCHEDULERS
+ if (incl_dirty_io)
+ no_rqs += ERTS_NUM_DIRTY_RUNQS;
+ else
+ no_rqs += ERTS_NUM_DIRTY_CPU_RUNQS;
+#endif
+
+ if (atomic_queues_read) {
+ ERTS_ATOMIC_FOREACH_RUNQ_X(rq, no_rqs,
+ run_queues_len_aux(rq, &len, qlen, &j,
+ incl_active_sched, 1),
+ /* Nothing... */);
+ }
else {
- for (i = 0; i < erts_no_run_queues; i++) {
+ for (i = 0; i < no_rqs; i++) {
ErtsRunQueue *rq = ERTS_RUNQ_IX(i);
- Sint rq_len = (Sint) erts_smp_atomic32_read_nob(&rq->len);
- ASSERT(rq_len >= 0);
- if (incl_active_sched
- && (ERTS_RUNQ_FLGS_GET_NOB(rq) & ERTS_RUNQ_FLG_EXEC)) {
- rq_len++;
- }
- if (qlen)
- qlen[i] = rq_len;
- len += (Uint) rq_len;
+ run_queues_len_aux(rq, &len, qlen, &j, incl_active_sched, 0);
}
}
@@ -12136,6 +12224,8 @@ erts_get_total_reductions(Uint *redsp, Uint *diffp)
Uint reds = 0;
ERTS_ATOMIC_FOREACH_RUNQ_X(rq,
+ erts_no_run_queues + ERTS_NUM_DIRTY_RUNQS,
+
reds += rq->procs.reductions,
if (redsp) *redsp = reds;
diff --git a/erts/emulator/beam/erl_process.h b/erts/emulator/beam/erl_process.h
index 6113c8aa05..aa88ff26e8 100644
--- a/erts/emulator/beam/erl_process.h
+++ b/erts/emulator/beam/erl_process.h
@@ -1541,24 +1541,29 @@ extern int erts_system_profile_ts_type;
} while (0)
#if defined(ERTS_DIRTY_SCHEDULERS) && defined(ERTS_SMP)
-#define ERTS_NUM_DIRTY_RUNQS 2
+#define ERTS_NUM_DIRTY_CPU_RUNQS 1
+#define ERTS_NUM_DIRTY_IO_RUNQS 1
#else
-#define ERTS_NUM_DIRTY_RUNQS 0
+#define ERTS_NUM_DIRTY_CPU_RUNQS 0
+#define ERTS_NUM_DIRTY_IO_RUNQS 0
#endif
+#define ERTS_NUM_DIRTY_RUNQS (ERTS_NUM_DIRTY_CPU_RUNQS+ERTS_NUM_DIRTY_IO_RUNQS)
+
#define ERTS_RUNQ_IX(IX) \
- (ASSERT(0 <= (IX) && (IX) < erts_no_run_queues), \
+ (ASSERT(0 <= (IX) && (IX) < erts_no_run_queues+ERTS_NUM_DIRTY_RUNQS), \
&erts_aligned_run_queues[(IX)].runq)
#ifdef ERTS_DIRTY_SCHEDULERS
#define ERTS_RUNQ_IX_IS_DIRTY(IX) \
- (-(ERTS_NUM_DIRTY_RUNQS) <= (IX) && (IX) < 0)
+ (ASSERT(0 <= (IX) && (IX) < erts_no_run_queues+ERTS_NUM_DIRTY_RUNQS), \
+ (erts_no_run_queues <= (IX)))
#define ERTS_DIRTY_RUNQ_IX(IX) \
(ASSERT(ERTS_RUNQ_IX_IS_DIRTY(IX)), \
&erts_aligned_run_queues[(IX)].runq)
-#define ERTS_DIRTY_CPU_RUNQ (&erts_aligned_run_queues[-1].runq)
-#define ERTS_DIRTY_IO_RUNQ (&erts_aligned_run_queues[-2].runq)
-#define ERTS_RUNQ_IS_DIRTY_CPU_RUNQ(RQ) ((RQ)->ix == -1)
-#define ERTS_RUNQ_IS_DIRTY_IO_RUNQ(RQ) ((RQ)->ix == -2)
+#define ERTS_DIRTY_CPU_RUNQ (&erts_aligned_run_queues[erts_no_run_queues].runq)
+#define ERTS_DIRTY_IO_RUNQ (&erts_aligned_run_queues[erts_no_run_queues+1].runq)
+#define ERTS_RUNQ_IS_DIRTY_CPU_RUNQ(RQ) ((RQ) == ERTS_DIRTY_CPU_RUNQ)
+#define ERTS_RUNQ_IS_DIRTY_IO_RUNQ(RQ) ((RQ) == ERTS_DIRTY_IO_RUNQ)
#else
#define ERTS_RUNQ_IX_IS_DIRTY(IX) 0
#endif
@@ -1837,7 +1842,7 @@ Uint erts_active_schedulers(void);
void erts_init_process(int, int, int);
Eterm erts_process_state2status(erts_aint32_t);
Eterm erts_process_status(Process *, Eterm);
-Uint erts_run_queues_len(Uint *, int, int);
+Uint erts_run_queues_len(Uint *, int, int, int);
void erts_add_to_runq(Process *);
Eterm erts_bound_schedulers_term(Process *c_p);
Eterm erts_get_cpu_topology_term(Process *c_p, Eterm which);
generated by cgit v1.2.3 (git 2.25.1) at 2024-11-07 11:55:13 +0000