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Clear tcache prof_accumbytes in tcache_flush_cache

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`tcache->prof_accumbytes` should always be cleared after being
transferred to arena; otherwise the allocations would be double
counted, leading to excessive prof dumps.
This commit is contained in:
Yinan Zhang 2019-06-12 17:24:30 -07:00
parent ad3f7dbfa0
commit a219cfcda3
1 changed files with 6 additions and 4 deletions
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10
src/tcache.c
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@ -529,10 +529,12 @@ tcache_flush_cache(tsd_t *tsd, tcache_t *tcache) {
} }
} }
if (config_prof && tcache->prof_accumbytes > 0 && if (config_prof && tcache->prof_accumbytes > 0) {
arena_prof_accum(tsd_tsdn(tsd), tcache->arena, if (arena_prof_accum(tsd_tsdn(tsd), tcache->arena,
tcache->prof_accumbytes)) { tcache->prof_accumbytes)) {
prof_idump(tsd_tsdn(tsd)); prof_idump(tsd_tsdn(tsd));
}
tcache->prof_accumbytes = 0;
} }
} }