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PAC: Move in decay.

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This commit is contained in:
David Goldblatt
2020-06-01 16:35:17 -07:00
committed by David Goldblatt
parent c81e389996
commit db211eefbf
11 changed files with 58 additions and 58 deletions
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3
include/jemalloc/internal/arena_inlines_b.h
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@@ -131,9 +131,6 @@ arena_decay_ticks(tsdn_t *tsdn, arena_t *arena, unsigned nticks) {
JEMALLOC_ALWAYS_INLINE void
arena_decay_tick(tsdn_t *tsdn, arena_t *arena) {
malloc_mutex_assert_not_owner(tsdn, &arena->pa_shard.decay_dirty.mtx);
malloc_mutex_assert_not_owner(tsdn, &arena->pa_shard.decay_muzzy.mtx);
arena_decay_ticks(tsdn, arena, 1);
}

2
include/jemalloc/internal/background_thread_inlines.h
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@@ -55,7 +55,7 @@ arena_background_thread_inactivity_check(tsdn_t *tsdn, arena_t *arena,
arena_background_thread_info_get(arena);
if (background_thread_indefinite_sleep(info)) {
background_thread_interval_check(tsdn, arena,
&arena->pa_shard.decay_dirty, 0);
&arena->pa_shard.pac.decay_dirty, 0);
}
}

25
include/jemalloc/internal/pa.h
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@@ -126,22 +126,12 @@ struct pa_shard_s {
/* The source of edata_t objects. */
edata_cache_t edata_cache;
/* Extent serial number generator state. */
atomic_zu_t extent_sn_next;
malloc_mutex_t *stats_mtx;
pa_shard_stats_t *stats;
/*
* Decay-based purging state, responsible for scheduling extent state
* transitions.
*
* Synchronization: via the internal mutex.
*/
decay_t decay_dirty; /* dirty --> muzzy */
decay_t decay_muzzy; /* muzzy --> retained */
/* The emap this shard is tied to. */
emap_t *emap;
@@ -149,25 +139,16 @@ struct pa_shard_s {
base_t *base;
};
static inline ssize_t
pa_shard_dirty_decay_ms_get(pa_shard_t *shard) {
return decay_ms_read(&shard->decay_dirty);
}
static inline ssize_t
pa_shard_muzzy_decay_ms_get(pa_shard_t *shard) {
return decay_ms_read(&shard->decay_muzzy);
}
static inline bool
pa_shard_dont_decay_muzzy(pa_shard_t *shard) {
return ecache_npages_get(&shard->pac.ecache_muzzy) == 0 &&
pa_shard_muzzy_decay_ms_get(shard) <= 0;
pac_muzzy_decay_ms_get(&shard->pac) <= 0;
}
static inline bool
pa_shard_may_force_decay(pa_shard_t *shard) {
return !(pa_shard_dirty_decay_ms_get(shard) == -1
|| pa_shard_muzzy_decay_ms_get(shard) == -1);
return !(pac_dirty_decay_ms_get(&shard->pac) == -1
|| pac_muzzy_decay_ms_get(&shard->pac) == -1);
}
static inline ehooks_t *

22
include/jemalloc/internal/pac.h
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@@ -26,11 +26,31 @@ struct pac_s {
/* The grow info for the retained ecache. */
ecache_grow_t ecache_grow;
/*
* Decay-based purging state, responsible for scheduling extent state
* transitions.
*
* Synchronization: via the internal mutex.
*/
decay_t decay_dirty; /* dirty --> muzzy */
decay_t decay_muzzy; /* muzzy --> retained */
};
bool pac_init(tsdn_t *tsdn, pac_t *pac, unsigned ind, emap_t *emap,
edata_cache_t *edata_cache);
edata_cache_t *edata_cache, nstime_t *cur_time, ssize_t dirty_decay_ms,
ssize_t muzzy_decay_ms);
bool pac_retain_grow_limit_get_set(tsdn_t *tsdn, pac_t *pac, size_t *old_limit,
size_t *new_limit);
static inline ssize_t
pac_dirty_decay_ms_get(pac_t *pac) {
return decay_ms_read(&pac->decay_dirty);
}
static inline ssize_t
pac_muzzy_decay_ms_get(pac_t *pac) {
return decay_ms_read(&pac->decay_muzzy);
}
#endif /* JEMALLOC_INTERNAL_PAC_H */