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Add stats for metadata_thp.

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Report number of THPs used in arena and aggregated stats.
This commit is contained in:
Qi Wang 2017-08-25 13:24:49 -07:00 • committed by Qi Wang
parent 47b20bb654
commit e55c3ca267
10 changed files with 125 additions and 21 deletions
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5
src/arena.c
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@ -234,9 +234,9 @@ arena_stats_merge(tsdn_t *tsdn, arena_t *arena, unsigned *nthreads,
arena_basic_stats_merge(tsdn, arena, nthreads, dss, dirty_decay_ms,
muzzy_decay_ms, nactive, ndirty, nmuzzy);
size_t base_allocated, base_resident, base_mapped;
size_t base_allocated, base_resident, base_mapped, metadata_thp;
base_stats_get(tsdn, arena->base, &base_allocated, &base_resident,
&base_mapped);
&base_mapped, &metadata_thp);
arena_stats_lock(tsdn, &arena->stats);
@ -267,6 +267,7 @@ arena_stats_merge(tsdn_t *tsdn, arena_t *arena, unsigned *nthreads,
arena_stats_accum_zu(&astats->base, base_allocated);
arena_stats_accum_zu(&astats->internal, arena_internal_get(arena));
arena_stats_accum_zu(&astats->metadata_thp, metadata_thp);
arena_stats_accum_zu(&astats->resident, base_resident +
(((atomic_load_zu(&arena->nactive, ATOMIC_RELAXED) +
extents_npages_get(&arena->extents_dirty) +