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-rw-r--r--src/arena.c18
-rw-r--r--src/prof.c14
-rw-r--r--src/tcache.c2
3 files changed, 19 insertions, 15 deletions
diff --git a/src/arena.c b/src/arena.c
index 345c57d..40db9d1 100644
--- a/src/arena.c
+++ b/src/arena.c
@@ -1148,19 +1148,7 @@ arena_prof_promote(tsdn_t *tsdn, extent_t *extent, const void *ptr,
extent_usize_set(extent, usize);
- /*
- * Cancel out as much of the excessive prof_accumbytes increase as
- * possible without underflowing. Interval-triggered dumps occur
- * slightly more often than intended as a result of incomplete
- * canceling.
- */
- malloc_mutex_lock(tsdn, &arena->lock);
- if (arena->prof_accumbytes >= LARGE_MINCLASS - usize) {
- arena->prof_accumbytes -= LARGE_MINCLASS - usize;
- } else {
- arena->prof_accumbytes = 0;
- }
- malloc_mutex_unlock(tsdn, &arena->lock);
+ prof_accum_cancel(tsdn, &arena->prof_accum, usize);
assert(isalloc(tsdn, extent, ptr) == usize);
}
@@ -1574,7 +1562,9 @@ arena_new(tsdn_t *tsdn, unsigned ind, extent_hooks_t *extent_hooks) {
}
if (config_prof) {
- arena->prof_accumbytes = 0;
+ if (prof_accum_init(tsdn, &arena->prof_accum)) {
+ goto label_error;
+ }
}
if (config_cache_oblivious) {
diff --git a/src/prof.c b/src/prof.c
index 5aeefb2..13fa20d 100644
--- a/src/prof.c
+++ b/src/prof.c
@@ -1753,6 +1753,20 @@ prof_fdump(void) {
prof_dump(tsd, false, filename, opt_prof_leak);
}
+bool
+prof_accum_init(tsdn_t *tsdn, prof_accum_t *prof_accum) {
+ cassert(config_prof);
+
+#ifndef JEMALLOC_ATOMIC_U64
+ if (malloc_mutex_init(&prof_accum->mtx, "prof_accum",
+ WITNESS_RANK_PROF_ACCUM)) {
+ return true;
+ }
+#endif
+ prof_accum->accumbytes = 0;
+ return false;
+}
+
void
prof_idump(tsdn_t *tsdn) {
tsd_t *tsd;
diff --git a/src/tcache.c b/src/tcache.c
index 94c4570..f38c2d5 100644
--- a/src/tcache.c
+++ b/src/tcache.c
@@ -200,7 +200,7 @@ tcache_bin_flush_large(tsd_t *tsd, tcache_bin_t *tbin, szind_t binind,
}
if ((config_prof || config_stats) && locked_arena == arena) {
if (config_prof) {
- idump = arena_prof_accum_locked(arena,
+ idump = arena_prof_accum(tsd_tsdn(tsd), arena,
tcache->prof_accumbytes);
tcache->prof_accumbytes = 0;
}