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authorLukas Larsson <[email protected]>2016-02-02 17:17:46 +0100
committerLukas Larsson <[email protected]>2016-02-02 17:17:46 +0100
commit246927d866b7de938cc58c95498f54b03869cbe5 (patch)
tree63c4846a861aec6051b4f31aa1c5f5186802855a /erts/emulator/beam/time.c
parentf45b817d0da8f9f61d2241d4f0eb06e47a6be86a (diff)
parentf12da3c4abe70bd932484895af6e23436b308f53 (diff)
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Merge branch 'lukas/erts/msacc'
* lukas/erts/msacc: Update preloaded modules erts: Make msacc alloctor type thread safe Silence compiler erts: Fix msacc testcase on some windowses erts: Add power saving cpu feature tests and use them erts: Refactor perf counter internal interface erts: Add rdtscp instruction check erts: Fix hrtime for windows erts: use correct function for perf counter on non-x86 erts: Fix msacc win32 debug compile error erts: Add microstate accounting erts, kernel: Add os:perf_counter function erts: Add ERTS_WRITE_UNLIKELY
Diffstat (limited to 'erts/emulator/beam/time.c')
-rw-r--r--erts/emulator/beam/time.c20
1 files changed, 18 insertions, 2 deletions
diff --git a/erts/emulator/beam/time.c b/erts/emulator/beam/time.c
index 0ab6661c9f..48cb39333a 100644
--- a/erts/emulator/beam/time.c
+++ b/erts/emulator/beam/time.c
@@ -278,9 +278,14 @@ ErtsMonotonicTime
erts_check_next_timeout_time(ErtsSchedulerData *esdp)
{
ErtsTimerWheel *tiw = esdp->timer_wheel;
+ ErtsMonotonicTime time;
+ ERTS_MSACC_DECLARE_CACHE_X();
if (tiw->true_next_timeout_time)
return tiw->next_timeout_time;
- return find_next_timeout(esdp, tiw, 1, 0, 0);
+ ERTS_MSACC_PUSH_AND_SET_STATE_CACHED_X(ERTS_MSACC_STATE_TIMERS);
+ time = find_next_timeout(esdp, tiw, 1, 0, 0);
+ ERTS_MSACC_POP_STATE_M_X();
+ return time;
}
#ifndef ERTS_TW_DEBUG
@@ -336,6 +341,7 @@ erts_bump_timers(ErtsTimerWheel *tiw, ErtsMonotonicTime curr_time)
{
int tiw_pos_ix, slots, yielded_slot_restarted, yield_count;
ErtsMonotonicTime bump_to, tmp_slots, old_pos;
+ ERTS_MSACC_PUSH_AND_SET_STATE_M_X(ERTS_MSACC_STATE_TIMERS);
yield_count = ERTS_TWHEEL_BUMP_YIELD_LIMIT;
@@ -371,6 +377,7 @@ erts_bump_timers(ErtsTimerWheel *tiw, ErtsMonotonicTime curr_time)
tiw->next_timeout_time = curr_time + ERTS_MONOTONIC_DAY;
tiw->pos = bump_to;
tiw->yield_slot = ERTS_TWHEEL_SLOT_INACTIVE;
+ ERTS_MSACC_POP_STATE_M_X();
return;
}
@@ -382,6 +389,7 @@ erts_bump_timers(ErtsTimerWheel *tiw, ErtsMonotonicTime curr_time)
tiw->yield_slot = ERTS_TWHEEL_SLOT_AT_ONCE;
tiw->true_next_timeout_time = 1;
tiw->next_timeout_time = ERTS_CLKTCKS_TO_MONOTONIC(old_pos);
+ ERTS_MSACC_POP_STATE_M_X();
return;
}
@@ -400,8 +408,10 @@ erts_bump_timers(ErtsTimerWheel *tiw, ErtsMonotonicTime curr_time)
p = tiw->at_once.head;
}
- if (tiw->pos >= bump_to)
+ if (tiw->pos >= bump_to) {
+ ERTS_MSACC_POP_STATE_M_X();
break;
+ }
if (tiw->nto == 0)
goto empty_wheel;
@@ -478,6 +488,7 @@ erts_bump_timers(ErtsTimerWheel *tiw, ErtsMonotonicTime curr_time)
tiw->yield_slot = tiw_pos_ix;
tiw->yield_slots_left = slots;
tiw->yield_start_pos = old_pos;
+ ERTS_MSACC_POP_STATE_M_X();
return; /* Yield! */
}
@@ -500,6 +511,7 @@ erts_bump_timers(ErtsTimerWheel *tiw, ErtsMonotonicTime curr_time)
/* Search at most two seconds ahead... */
(void) find_next_timeout(NULL, tiw, 0, curr_time, ERTS_SEC_TO_MONOTONIC(2));
+ ERTS_MSACC_POP_STATE_M_X();
}
Uint
@@ -569,6 +581,7 @@ erts_twheel_set_timer(ErtsTimerWheel *tiw,
ErtsMonotonicTime timeout_pos)
{
ErtsMonotonicTime timeout_time;
+ ERTS_MSACC_PUSH_AND_SET_STATE_M_X(ERTS_MSACC_STATE_TIMERS);
p->u.func.timeout = timeout;
p->u.func.cancel = cancel;
@@ -612,6 +625,7 @@ erts_twheel_set_timer(ErtsTimerWheel *tiw,
tiw->true_next_timeout_time = 1;
tiw->next_timeout_time = timeout_time;
}
+ ERTS_MSACC_POP_STATE_M_X();
}
void
@@ -620,11 +634,13 @@ erts_twheel_cancel_timer(ErtsTimerWheel *tiw, ErtsTWheelTimer *p)
if (p->slot != ERTS_TWHEEL_SLOT_INACTIVE) {
ErlCancelProc cancel;
void *arg;
+ ERTS_MSACC_PUSH_AND_SET_STATE_M_X(ERTS_MSACC_STATE_TIMERS);
remove_timer(tiw, p);
cancel = p->u.func.cancel;
arg = p->u.func.arg;
if (cancel)
(*cancel)(arg);
+ ERTS_MSACC_POP_STATE_M_X();
}
}