155 lines
5.8 KiB
C
155 lines
5.8 KiB
C
#include "jemalloc/internal/jemalloc_preamble.h"
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#include "jemalloc/internal/jemalloc_internal_includes.h"
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/*
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* This file is logically part of the PA module. While pa.c contains the core
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* allocator functionality, this file contains boring integration functionality;
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* things like the pre- and post- fork handlers, and stats merging for CTL
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* refreshes.
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*/
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void
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pa_shard_prefork0(tsdn_t *tsdn, pa_shard_t *shard) {
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malloc_mutex_prefork(tsdn, &shard->pac.decay_dirty.mtx);
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malloc_mutex_prefork(tsdn, &shard->pac.decay_muzzy.mtx);
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}
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void
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pa_shard_prefork2(tsdn_t *tsdn, pa_shard_t *shard) {
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ecache_grow_prefork(tsdn, &shard->pac.ecache_grow);
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}
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void
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pa_shard_prefork3(tsdn_t *tsdn, pa_shard_t *shard) {
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ecache_prefork(tsdn, &shard->pac.ecache_dirty);
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ecache_prefork(tsdn, &shard->pac.ecache_muzzy);
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ecache_prefork(tsdn, &shard->pac.ecache_retained);
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}
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void
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pa_shard_prefork4(tsdn_t *tsdn, pa_shard_t *shard) {
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edata_cache_prefork(tsdn, &shard->edata_cache);
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}
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void
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pa_shard_postfork_parent(tsdn_t *tsdn, pa_shard_t *shard) {
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edata_cache_postfork_parent(tsdn, &shard->edata_cache);
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ecache_postfork_parent(tsdn, &shard->pac.ecache_dirty);
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ecache_postfork_parent(tsdn, &shard->pac.ecache_muzzy);
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ecache_postfork_parent(tsdn, &shard->pac.ecache_retained);
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ecache_grow_postfork_parent(tsdn, &shard->pac.ecache_grow);
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malloc_mutex_postfork_parent(tsdn, &shard->pac.decay_dirty.mtx);
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malloc_mutex_postfork_parent(tsdn, &shard->pac.decay_muzzy.mtx);
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}
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void
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pa_shard_postfork_child(tsdn_t *tsdn, pa_shard_t *shard) {
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edata_cache_postfork_child(tsdn, &shard->edata_cache);
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ecache_postfork_child(tsdn, &shard->pac.ecache_dirty);
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ecache_postfork_child(tsdn, &shard->pac.ecache_muzzy);
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ecache_postfork_child(tsdn, &shard->pac.ecache_retained);
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ecache_grow_postfork_child(tsdn, &shard->pac.ecache_grow);
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malloc_mutex_postfork_child(tsdn, &shard->pac.decay_dirty.mtx);
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malloc_mutex_postfork_child(tsdn, &shard->pac.decay_muzzy.mtx);
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}
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void
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pa_shard_basic_stats_merge(pa_shard_t *shard, size_t *nactive, size_t *ndirty,
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size_t *nmuzzy) {
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*nactive += atomic_load_zu(&shard->nactive, ATOMIC_RELAXED);
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*ndirty += ecache_npages_get(&shard->pac.ecache_dirty);
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*nmuzzy += ecache_npages_get(&shard->pac.ecache_muzzy);
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}
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void
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pa_shard_stats_merge(tsdn_t *tsdn, pa_shard_t *shard,
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pa_shard_stats_t *shard_stats_out, pa_extent_stats_t *extent_stats_out,
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size_t *resident) {
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cassert(config_stats);
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shard_stats_out->retained +=
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ecache_npages_get(&shard->pac.ecache_retained) << LG_PAGE;
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shard_stats_out->edata_avail += atomic_load_zu(
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&shard->edata_cache.count, ATOMIC_RELAXED);
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size_t resident_pgs = 0;
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resident_pgs += atomic_load_zu(&shard->nactive, ATOMIC_RELAXED);
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resident_pgs += ecache_npages_get(&shard->pac.ecache_dirty);
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*resident += (resident_pgs << LG_PAGE);
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/* Dirty decay stats */
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locked_inc_u64_unsynchronized(
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&shard_stats_out->decay_dirty.npurge,
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locked_read_u64(tsdn, LOCKEDINT_MTX(*shard->stats_mtx),
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&shard->stats->decay_dirty.npurge));
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locked_inc_u64_unsynchronized(
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&shard_stats_out->decay_dirty.nmadvise,
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locked_read_u64(tsdn, LOCKEDINT_MTX(*shard->stats_mtx),
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&shard->stats->decay_dirty.nmadvise));
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locked_inc_u64_unsynchronized(
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&shard_stats_out->decay_dirty.purged,
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locked_read_u64(tsdn, LOCKEDINT_MTX(*shard->stats_mtx),
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&shard->stats->decay_dirty.purged));
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/* Muzzy decay stats */
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locked_inc_u64_unsynchronized(
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&shard_stats_out->decay_muzzy.npurge,
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locked_read_u64(tsdn, LOCKEDINT_MTX(*shard->stats_mtx),
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&shard->stats->decay_muzzy.npurge));
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locked_inc_u64_unsynchronized(
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&shard_stats_out->decay_muzzy.nmadvise,
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locked_read_u64(tsdn, LOCKEDINT_MTX(*shard->stats_mtx),
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&shard->stats->decay_muzzy.nmadvise));
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locked_inc_u64_unsynchronized(
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&shard_stats_out->decay_muzzy.purged,
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locked_read_u64(tsdn, LOCKEDINT_MTX(*shard->stats_mtx),
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&shard->stats->decay_muzzy.purged));
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atomic_load_add_store_zu(&shard_stats_out->abandoned_vm,
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atomic_load_zu(&shard->stats->abandoned_vm, ATOMIC_RELAXED));
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for (pszind_t i = 0; i < SC_NPSIZES; i++) {
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size_t dirty, muzzy, retained, dirty_bytes, muzzy_bytes,
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retained_bytes;
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dirty = ecache_nextents_get(&shard->pac.ecache_dirty, i);
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muzzy = ecache_nextents_get(&shard->pac.ecache_muzzy, i);
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retained = ecache_nextents_get(&shard->pac.ecache_retained, i);
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dirty_bytes = ecache_nbytes_get(&shard->pac.ecache_dirty, i);
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muzzy_bytes = ecache_nbytes_get(&shard->pac.ecache_muzzy, i);
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retained_bytes = ecache_nbytes_get(&shard->pac.ecache_retained,
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i);
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extent_stats_out[i].ndirty = dirty;
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extent_stats_out[i].nmuzzy = muzzy;
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extent_stats_out[i].nretained = retained;
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extent_stats_out[i].dirty_bytes = dirty_bytes;
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extent_stats_out[i].muzzy_bytes = muzzy_bytes;
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extent_stats_out[i].retained_bytes = retained_bytes;
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}
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}
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static void
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pa_shard_mtx_stats_read_single(tsdn_t *tsdn, mutex_prof_data_t *mutex_prof_data,
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malloc_mutex_t *mtx, int ind) {
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malloc_mutex_lock(tsdn, mtx);
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malloc_mutex_prof_read(tsdn, &mutex_prof_data[ind], mtx);
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malloc_mutex_unlock(tsdn, mtx);
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}
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void
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pa_shard_mtx_stats_read(tsdn_t *tsdn, pa_shard_t *shard,
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mutex_prof_data_t mutex_prof_data[mutex_prof_num_arena_mutexes]) {
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pa_shard_mtx_stats_read_single(tsdn, mutex_prof_data,
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&shard->edata_cache.mtx, arena_prof_mutex_extent_avail);
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pa_shard_mtx_stats_read_single(tsdn, mutex_prof_data,
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&shard->pac.ecache_dirty.mtx, arena_prof_mutex_extents_dirty);
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pa_shard_mtx_stats_read_single(tsdn, mutex_prof_data,
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&shard->pac.ecache_muzzy.mtx, arena_prof_mutex_extents_muzzy);
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pa_shard_mtx_stats_read_single(tsdn, mutex_prof_data,
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&shard->pac.ecache_retained.mtx, arena_prof_mutex_extents_retained);
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pa_shard_mtx_stats_read_single(tsdn, mutex_prof_data,
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&shard->pac.decay_dirty.mtx, arena_prof_mutex_decay_dirty);
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pa_shard_mtx_stats_read_single(tsdn, mutex_prof_data,
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&shard->pac.decay_muzzy.mtx, arena_prof_mutex_decay_muzzy);
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}
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