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Arena stats: Move retained to PA, use plain ints.

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Retained is a property of the allocated pages.  The derived fields no longer
require any locking; they're computed on demand.
This commit is contained in:
David Goldblatt 2020-03-11 19:24:05 -07:00 • committed by David Goldblatt
parent e2cf3fb1a3
commit d0c43217b5
4 changed files with 44 additions and 44 deletions
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20
src/arena.c
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@ -97,8 +97,8 @@ arena_stats_merge(tsdn_t *tsdn, arena_t *arena, unsigned *nthreads,
LOCKEDINT_MTX_LOCK(tsdn, arena->stats.mtx);
locked_inc_zu_unsynchronized(&astats->retained,
ecache_npages_get(&arena->pa_shard.ecache_retained) << LG_PAGE);
astats->pa_shard_stats.retained +=
ecache_npages_get(&arena->pa_shard.ecache_retained) << LG_PAGE;
astats->pa_shard_stats.edata_avail = atomic_load_zu(
&arena->pa_shard.edata_cache.count, ATOMIC_RELAXED);
@ -130,13 +130,17 @@ arena_stats_merge(tsdn_t *tsdn, arena_t *arena, unsigned *nthreads,
locked_read_u64(tsdn, LOCKEDINT_MTX(arena->stats.mtx),
&arena->pa_shard.stats->decay_muzzy.purged));
atomic_load_add_store_zu(&astats->base, base_allocated);
astats->base += base_allocated;
atomic_load_add_store_zu(&astats->internal, arena_internal_get(arena));
atomic_load_add_store_zu(&astats->metadata_thp, metadata_thp);
atomic_load_add_store_zu(&astats->resident, base_resident +
(((atomic_load_zu(&arena->pa_shard.nactive, ATOMIC_RELAXED) +
ecache_npages_get(&arena->pa_shard.ecache_dirty) +
ecache_npages_get(&arena->pa_shard.ecache_muzzy)) << LG_PAGE)));
astats->metadata_thp += metadata_thp;
size_t pa_resident_pgs = 0;
pa_resident_pgs
+= atomic_load_zu(&arena->pa_shard.nactive, ATOMIC_RELAXED);
pa_resident_pgs
+= ecache_npages_get(&arena->pa_shard.ecache_dirty);
astats->resident += base_resident + (pa_resident_pgs << LG_PAGE);
atomic_load_add_store_zu(&astats->pa_shard_stats.abandoned_vm,
atomic_load_zu(&arena->stats.pa_shard_stats.abandoned_vm,
ATOMIC_RELAXED));