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Fix incorrect stats mreging with sharded bins.

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With sharded bins, we may not flush all items from the same arena in one run.
Adjust the stats merging logic accordingly.
This commit is contained in:
Qi Wang 2018-12-07 18:06:04 -08:00 committed by Qi Wang
parent 711a61f3b4
commit 99f4eefb61
1 changed files with 1 additions and 2 deletions
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3
src/tcache.c
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@ -134,8 +134,7 @@ tcache_bin_flush_small(tsd_t *tsd, tcache_t *tcache, cache_bin_t *tbin,
} }
malloc_mutex_lock(tsd_tsdn(tsd), &bin->lock); malloc_mutex_lock(tsd_tsdn(tsd), &bin->lock);
if (config_stats && bin_arena == arena) { if (config_stats && bin_arena == arena && !merged_stats) {
assert(!merged_stats);
merged_stats = true; merged_stats = true;
bin->stats.nflushes++; bin->stats.nflushes++;
bin->stats.nrequests += tbin->tstats.nrequests; bin->stats.nrequests += tbin->tstats.nrequests;