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