project-base/server-skynet-source-3rd-jemalloc
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Convert arena->prof_accumbytes synchronization to atomics.

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This commit is contained in:
Jason Evans
2017-02-12 17:03:46 -08:00
parent b779522b9b
commit fa2d64c94b
15 changed files with 128 additions and 59 deletions
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34
include/jemalloc/internal/arena_inlines_a.h
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@@ -6,8 +6,6 @@ unsigned arena_ind_get(const arena_t *arena);
void arena_internal_add(arena_t *arena, size_t size);
void arena_internal_sub(arena_t *arena, size_t size);
size_t arena_internal_get(arena_t *arena);
bool arena_prof_accum_impl(arena_t *arena, uint64_t accumbytes);
bool arena_prof_accum_locked(arena_t *arena, uint64_t accumbytes);
bool arena_prof_accum(tsdn_t *tsdn, arena_t *arena, uint64_t accumbytes);
#endif /* JEMALLOC_ENABLE_INLINE */
@@ -33,29 +31,6 @@ arena_internal_get(arena_t *arena) {
return atomic_read_zu(&arena->stats.internal);
}
JEMALLOC_INLINE bool
arena_prof_accum_impl(arena_t *arena, uint64_t accumbytes) {
cassert(config_prof);
assert(prof_interval != 0);
arena->prof_accumbytes += accumbytes;
if (arena->prof_accumbytes >= prof_interval) {
arena->prof_accumbytes %= prof_interval;
return true;
}
return false;
}
JEMALLOC_INLINE bool
arena_prof_accum_locked(arena_t *arena, uint64_t accumbytes) {
cassert(config_prof);
if (likely(prof_interval == 0)) {
return false;
}
return arena_prof_accum_impl(arena, accumbytes);
}
JEMALLOC_INLINE bool
arena_prof_accum(tsdn_t *tsdn, arena_t *arena, uint64_t accumbytes) {
cassert(config_prof);
@@ -64,14 +39,7 @@ arena_prof_accum(tsdn_t *tsdn, arena_t *arena, uint64_t accumbytes) {
return false;
}
{
bool ret;
malloc_mutex_lock(tsdn, &arena->lock);
ret = arena_prof_accum_impl(arena, accumbytes);
malloc_mutex_unlock(tsdn, &arena->lock);
return ret;
}
return prof_accum_add(tsdn, &arena->prof_accum, accumbytes);
}
#endif /* (defined(JEMALLOC_ENABLE_INLINE) || defined(JEMALLOC_ARENA_C_)) */