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Diffstat (limited to 'erts/emulator/beam/erl_gc.c')
-rw-r--r--erts/emulator/beam/erl_gc.c68
1 files changed, 20 insertions, 48 deletions
diff --git a/erts/emulator/beam/erl_gc.c b/erts/emulator/beam/erl_gc.c
index 8cb977a7f3..97a1ca915f 100644
--- a/erts/emulator/beam/erl_gc.c
+++ b/erts/emulator/beam/erl_gc.c
@@ -180,15 +180,13 @@ typedef struct {
Eterm ref;
Eterm ref_heap[ERTS_REF_THING_SIZE];
Uint req_sched;
- erts_smp_atomic32_t refc;
+ erts_atomic32_t refc;
} ErtsGCInfoReq;
-#ifdef ERTS_DIRTY_SCHEDULERS
static struct {
erts_mtx_t mtx;
ErtsGCInfo info;
} dirty_gc;
-#endif
static ERTS_INLINE int
gc_cost(Uint gc_moved_live_words, Uint resize_moved_words)
@@ -273,11 +271,9 @@ erts_init_gc(void)
init_gc_info(&esdp->gc_info);
}
-#ifdef ERTS_DIRTY_SCHEDULERS
- erts_smp_mtx_init(&dirty_gc.mtx, "dirty_gc_info", NIL,
+ erts_mtx_init(&dirty_gc.mtx, "dirty_gc_info", NIL,
ERTS_LOCK_FLAGS_PROPERTY_STATIC | ERTS_LOCK_FLAGS_CATEGORY_GENERIC);
init_gc_info(&dirty_gc.info);
-#endif
init_gcireq_alloc();
}
@@ -341,7 +337,7 @@ erts_heap_sizes(Process* p)
for (i = num_heap_sizes-1; i >= 0; i--) {
n += 2;
- if (!MY_IS_SSMALL(heap_sizes[i])) {
+ if (!IS_SSMALL(heap_sizes[i])) {
big += BIG_UINT_HEAP_SIZE;
}
}
@@ -356,7 +352,7 @@ erts_heap_sizes(Process* p)
Eterm num;
Sint sz = heap_sizes[i];
- if (MY_IS_SSMALL(sz)) {
+ if (IS_SSMALL(sz)) {
num = make_small(sz);
} else {
num = uint_to_big(sz, bigp);
@@ -481,12 +477,10 @@ delay_garbage_collection(Process *p, ErlHeapFragment *live_hf_end, int need, int
}
if (need == 0) {
-#ifdef ERTS_DIRTY_SCHEDULERS
if (p->flags & (F_DIRTY_MAJOR_GC|F_DIRTY_MINOR_GC)) {
ASSERT(!ERTS_SCHEDULER_IS_DIRTY(erts_proc_sched_data(p)));
goto force_reschedule;
}
-#endif
return 1;
}
/*
@@ -541,9 +535,7 @@ delay_garbage_collection(Process *p, ErlHeapFragment *live_hf_end, int need, int
p->heap_hfrag = hfrag;
#endif
-#ifdef ERTS_DIRTY_SCHEDULERS
force_reschedule:
-#endif
/* Make sure that we do a proper GC as soon as possible... */
p->flags |= F_FORCE_GC;
@@ -616,7 +608,6 @@ young_gen_usage(Process *p)
} \
} while (0)
-#ifdef ERTS_DIRTY_SCHEDULERS
static ERTS_INLINE void
check_for_possibly_long_gc(Process *p, Uint ygen_usage)
@@ -640,7 +631,6 @@ check_for_possibly_long_gc(Process *p, Uint ygen_usage)
}
}
-#endif
/*
* Garbage collect a process.
@@ -672,24 +662,20 @@ garbage_collect(Process* p, ErlHeapFragment *live_hf_end,
ASSERT(CONTEXT_REDS - ERTS_REDS_LEFT(p, fcalls) >= esdp->virtual_reds);
- state = erts_smp_atomic32_read_nob(&p->state);
+ state = erts_atomic32_read_nob(&p->state);
if ((p->flags & (F_DISABLE_GC|F_DELAY_GC)) || state & ERTS_PSFLG_EXITING) {
-#ifdef ERTS_DIRTY_SCHEDULERS
delay_gc_before_start:
-#endif
return delay_garbage_collection(p, live_hf_end, need, fcalls);
}
ygen_usage = max_young_gen_usage ? max_young_gen_usage : young_gen_usage(p);
-#ifdef ERTS_DIRTY_SCHEDULERS
if (!ERTS_SCHEDULER_IS_DIRTY(esdp)) {
check_for_possibly_long_gc(p, ygen_usage);
if (p->flags & (F_DIRTY_MAJOR_GC|F_DIRTY_MINOR_GC))
goto delay_gc_before_start;
}
-#endif
if (p->abandoned_heap)
live_hf_end = ERTS_INVALID_HFRAG_PTR;
@@ -698,7 +684,7 @@ garbage_collect(Process* p, ErlHeapFragment *live_hf_end,
ERTS_MSACC_SET_STATE_CACHED_M(ERTS_MSACC_STATE_GC);
- erts_smp_atomic32_read_bor_nob(&p->state, ERTS_PSFLG_GC);
+ erts_atomic32_read_bor_nob(&p->state, ERTS_PSFLG_GC);
if (erts_system_monitor_long_gc != 0)
start_time = erts_get_monotonic_time(esdp);
@@ -731,14 +717,12 @@ garbage_collect(Process* p, ErlHeapFragment *live_hf_end,
if (IS_TRACED_FL(p, F_TRACE_GC)) {
trace_gc(p, am_gc_minor_end, reclaimed_now, THE_NON_VALUE);
}
-#ifdef ERTS_DIRTY_SCHEDULERS
if (!ERTS_SCHEDULER_IS_DIRTY(esdp)) {
p->flags |= F_NEED_FULLSWEEP;
check_for_possibly_long_gc(p, ygen_usage);
if (p->flags & F_DIRTY_MAJOR_GC)
goto delay_gc_after_start;
}
-#endif
goto do_major_collection;
}
if (ERTS_SCHEDULER_IS_DIRTY(esdp))
@@ -779,17 +763,15 @@ do_major_collection:
ErtsProcLocks locks = ERTS_PROC_LOCKS_ALL;
int res;
- erts_smp_proc_lock(p, ERTS_PROC_LOCKS_ALL_MINOR);
+ erts_proc_lock(p, ERTS_PROC_LOCKS_ALL_MINOR);
erts_send_exit_signal(p, p->common.id, p, &locks,
am_kill, NIL, NULL, 0);
- erts_smp_proc_unlock(p, locks & ERTS_PROC_LOCKS_ALL_MINOR);
+ erts_proc_unlock(p, locks & ERTS_PROC_LOCKS_ALL_MINOR);
-#ifdef ERTS_DIRTY_SCHEDULERS
delay_gc_after_start:
-#endif
/* erts_send_exit_signal looks for ERTS_PSFLG_GC, so
we have to remove it after the signal is sent */
- erts_smp_atomic32_read_band_nob(&p->state, ~ERTS_PSFLG_GC);
+ erts_atomic32_read_band_nob(&p->state, ~ERTS_PSFLG_GC);
/* We have to make sure that we have space for need on the heap */
res = delay_garbage_collection(p, live_hf_end, need, fcalls);
@@ -797,7 +779,7 @@ do_major_collection:
return res;
}
- erts_smp_atomic32_read_band_nob(&p->state, ~ERTS_PSFLG_GC);
+ erts_atomic32_read_band_nob(&p->state, ~ERTS_PSFLG_GC);
if (IS_TRACED_FL(p, F_TRACE_GC)) {
trace_gc(p, gc_trace_end_tag, reclaimed_now, THE_NON_VALUE);
@@ -821,7 +803,6 @@ do_major_collection:
monitor_large_heap(p);
}
-#ifdef ERTS_DIRTY_SCHEDULERS
if (ERTS_SCHEDULER_IS_DIRTY(esdp)) {
erts_mtx_lock(&dirty_gc.mtx);
dirty_gc.info.garbage_cols++;
@@ -829,7 +810,6 @@ do_major_collection:
erts_mtx_unlock(&dirty_gc.mtx);
}
else
-#endif
{
esdp->gc_info.garbage_cols++;
esdp->gc_info.reclaimed += reclaimed_now;
@@ -907,7 +887,6 @@ garbage_collect_hibernate(Process* p, int check_long_gc)
if (p->flags & F_DISABLE_GC)
ERTS_INTERNAL_ERROR("GC disabled");
-#ifdef ERTS_DIRTY_SCHEDULERS
if (ERTS_SCHEDULER_IS_DIRTY(erts_proc_sched_data(p)))
p->flags &= ~(F_DIRTY_GC_HIBERNATE|F_DIRTY_MAJOR_GC|F_DIRTY_MINOR_GC);
else if (check_long_gc) {
@@ -920,11 +899,10 @@ garbage_collect_hibernate(Process* p, int check_long_gc)
}
p->flags = flags;
}
-#endif
/*
* Preliminaries.
*/
- erts_smp_atomic32_read_bor_nob(&p->state, ERTS_PSFLG_GC);
+ erts_atomic32_read_bor_nob(&p->state, ERTS_PSFLG_GC);
ErtsGcQuickSanityCheck(p);
ASSERT(p->stop == p->hend); /* Stack must be empty. */
@@ -1015,7 +993,7 @@ garbage_collect_hibernate(Process* p, int check_long_gc)
p->flags |= F_HIBERNATED;
- erts_smp_atomic32_read_band_nob(&p->state, ~ERTS_PSFLG_GC);
+ erts_atomic32_read_band_nob(&p->state, ~ERTS_PSFLG_GC);
reds = gc_cost(actual_size, actual_size);
return reds;
@@ -1110,7 +1088,6 @@ erts_garbage_collect_literals(Process* p, Eterm* literals,
p->flags |= F_NEED_FULLSWEEP;
-#ifdef ERTS_DIRTY_SCHEDULERS
if (ERTS_SCHEDULER_IS_DIRTY(erts_proc_sched_data(p)))
p->flags &= ~F_DIRTY_CLA;
else {
@@ -1126,7 +1103,6 @@ erts_garbage_collect_literals(Process* p, Eterm* literals,
return 10;
}
}
-#endif
reds = (Sint64) garbage_collect(p, ERTS_INVALID_HFRAG_PTR, 0,
p->arg_reg, p->arity, fcalls,
@@ -1137,7 +1113,7 @@ erts_garbage_collect_literals(Process* p, Eterm* literals,
/*
* Set GC state.
*/
- erts_smp_atomic32_read_bor_nob(&p->state, ERTS_PSFLG_GC);
+ erts_atomic32_read_bor_nob(&p->state, ERTS_PSFLG_GC);
/*
* Just did a major collection (which has discarded the old heap),
@@ -1284,7 +1260,7 @@ erts_garbage_collect_literals(Process* p, Eterm* literals,
/*
* Restore status.
*/
- erts_smp_atomic32_read_band_nob(&p->state, ~ERTS_PSFLG_GC);
+ erts_atomic32_read_band_nob(&p->state, ~ERTS_PSFLG_GC);
reds += (Sint64) gc_cost((p->htop - p->heap) + byte_lit_size/sizeof(Uint), 0);
@@ -2914,7 +2890,7 @@ sweep_off_heap(Process *p, int fullsweep)
case FUN_SUBTAG:
{
ErlFunEntry* fe = ((ErlFunThing*)ptr)->fe;
- if (erts_smp_refc_dectest(&fe->refc, 0) == 0) {
+ if (erts_refc_dectest(&fe->refc, 0) == 0) {
erts_erase_fun_entry(fe);
}
break;
@@ -3230,7 +3206,6 @@ reply_gc_info(void *vgcirp)
reclaimed = esdp->gc_info.reclaimed;
garbage_cols = esdp->gc_info.garbage_cols;
-#ifdef ERTS_DIRTY_SCHEDULERS
/*
* Add dirty schedulers info on requesting
* schedulers info
@@ -3241,7 +3216,6 @@ reply_gc_info(void *vgcirp)
garbage_cols += dirty_gc.info.garbage_cols;
erts_mtx_unlock(&dirty_gc.mtx);
}
-#endif
sz = 0;
hpp = NULL;
@@ -3274,11 +3248,11 @@ reply_gc_info(void *vgcirp)
rp_locks &= ~ERTS_PROC_LOCK_MAIN;
if (rp_locks)
- erts_smp_proc_unlock(rp, rp_locks);
+ erts_proc_unlock(rp, rp_locks);
erts_proc_dec_refc(rp);
- if (erts_smp_atomic32_dec_read_nob(&gcirp->refc) == 0)
+ if (erts_atomic32_dec_read_nob(&gcirp->refc) == 0)
gcireq_free(vgcirp);
}
@@ -3330,18 +3304,16 @@ erts_gc_info_request(Process *c_p)
gcirp->proc = c_p;
gcirp->ref = STORE_NC(&hp, NULL, ref);
gcirp->req_sched = esdp->no;
- erts_smp_atomic32_init_nob(&gcirp->refc,
+ erts_atomic32_init_nob(&gcirp->refc,
(erts_aint32_t) erts_no_schedulers);
erts_proc_add_refc(c_p, (Sint) erts_no_schedulers);
-#ifdef ERTS_SMP
if (erts_no_schedulers > 1)
erts_schedule_multi_misc_aux_work(1,
erts_no_schedulers,
reply_gc_info,
(void *) gcirp);
-#endif
reply_gc_info((void *) gcirp);
@@ -3628,12 +3600,12 @@ erts_check_off_heap2(Process *p, Eterm *htop)
refc = erts_refc_read(&u.pb->val->intern.refc, 1);
break;
case FUN_SUBTAG:
- refc = erts_smp_refc_read(&u.fun->fe->refc, 1);
+ refc = erts_refc_read(&u.fun->fe->refc, 1);
break;
case EXTERNAL_PID_SUBTAG:
case EXTERNAL_PORT_SUBTAG:
case EXTERNAL_REF_SUBTAG:
- refc = erts_smp_refc_read(&u.ext->node->refc, 1);
+ refc = erts_refc_read(&u.ext->node->refc, 1);
break;
case REF_SUBTAG:
ASSERT(is_magic_ref_thing(u.hdr));