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Tcache: treat small and large cache bins uniformly

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This commit is contained in:
David Goldblatt 2020-04-07 20:04:46 -07:00 • committed by David Goldblatt
parent a13fbad374
commit cd29ebefd0
8 changed files with 87 additions and 145 deletions
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17
src/arena.c
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@ -148,18 +148,11 @@ arena_stats_merge(tsdn_t *tsdn, arena_t *arena, unsigned *nthreads,
malloc_mutex_lock(tsdn, &arena->tcache_ql_mtx);
cache_bin_array_descriptor_t *descriptor;
ql_foreach(descriptor, &arena->cache_bin_array_descriptor_ql, link) {
for (szind_t i = 0; i < SC_NBINS; i++) {
cache_bin_t *tbin = &descriptor->bins_small[i];
for (szind_t i = 0; i < nhbins; i++) {
cache_bin_t *cache_bin = &descriptor->bins[i];
astats->tcache_bytes +=
cache_bin_ncached_get(tbin,
&tcache_bin_info[i]) * sz_index2size(i);
}
for (szind_t i = 0; i < nhbins - SC_NBINS; i++) {
cache_bin_t *tbin = &descriptor->bins_large[i];
astats->tcache_bytes +=
cache_bin_ncached_get(tbin,
&tcache_bin_info[i + SC_NBINS])
* sz_index2size(i + SC_NBINS);
cache_bin_ncached_get(cache_bin,
&tcache_bin_info[i]) * sz_index2size(i);
}
}
malloc_mutex_prof_read(tsdn,
@ -1697,7 +1690,7 @@ arena_postfork_child(tsdn_t *tsdn, arena_t *arena) {
ql_tail_insert(&arena->tcache_ql, tcache_slow, link);
cache_bin_array_descriptor_init(
&tcache_slow->cache_bin_array_descriptor,
tcache->bins_small, tcache->bins_large);
tcache->bins);
ql_tail_insert(&arena->cache_bin_array_descriptor_ql,
&tcache_slow->cache_bin_array_descriptor, link);
}