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Refactor *decay_time into *decay_ms.

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Support millisecond resolution for decay times.  Among other use cases
this makes it possible to specify a short initial dirty-->muzzy decay
phase, followed by a longer muzzy-->clean decay phase.

This resolves #812.
This commit is contained in:
Jason Evans
2017-05-17 10:47:00 -07:00
parent baf3e294e0
commit 6e62c62862
16 changed files with 320 additions and 328 deletions
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28
include/jemalloc/internal/arena_externs.h
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@@ -13,8 +13,8 @@ static const size_t large_pad =
#endif
;
extern ssize_t opt_dirty_decay_time;
extern ssize_t opt_muzzy_decay_time;
extern ssize_t opt_dirty_decay_ms;
extern ssize_t opt_muzzy_decay_ms;
extern const arena_bin_info_t arena_bin_info[NBINS];
@@ -27,10 +27,10 @@ void arena_stats_large_nrequests_add(tsdn_t *tsdn, arena_stats_t *arena_stats,
void arena_stats_mapped_add(tsdn_t *tsdn, arena_stats_t *arena_stats,
size_t size);
void arena_basic_stats_merge(tsdn_t *tsdn, arena_t *arena,
unsigned *nthreads, const char **dss, ssize_t *dirty_decay_time,
ssize_t *muzzy_decay_time, size_t *nactive, size_t *ndirty, size_t *nmuzzy);
unsigned *nthreads, const char **dss, ssize_t *dirty_decay_ms,
ssize_t *muzzy_decay_ms, size_t *nactive, size_t *ndirty, size_t *nmuzzy);
void arena_stats_merge(tsdn_t *tsdn, arena_t *arena, unsigned *nthreads,
const char **dss, ssize_t *dirty_decay_time, ssize_t *muzzy_decay_time,
const char **dss, ssize_t *dirty_decay_ms, ssize_t *muzzy_decay_ms,
size_t *nactive, size_t *ndirty, size_t *nmuzzy, arena_stats_t *astats,
malloc_bin_stats_t *bstats, malloc_large_stats_t *lstats);
void arena_extents_dirty_dalloc(tsdn_t *tsdn, arena_t *arena,
@@ -46,12 +46,10 @@ void arena_extent_ralloc_large_shrink(tsdn_t *tsdn, arena_t *arena,
extent_t *extent, size_t oldsize);
void arena_extent_ralloc_large_expand(tsdn_t *tsdn, arena_t *arena,
extent_t *extent, size_t oldsize);
ssize_t arena_dirty_decay_time_get(arena_t *arena);
bool arena_dirty_decay_time_set(tsdn_t *tsdn, arena_t *arena,
ssize_t decay_time);
ssize_t arena_muzzy_decay_time_get(arena_t *arena);
bool arena_muzzy_decay_time_set(tsdn_t *tsdn, arena_t *arena,
ssize_t decay_time);
ssize_t arena_dirty_decay_ms_get(arena_t *arena);
bool arena_dirty_decay_ms_set(tsdn_t *tsdn, arena_t *arena, ssize_t decay_ms);
ssize_t arena_muzzy_decay_ms_get(arena_t *arena);
bool arena_muzzy_decay_ms_set(tsdn_t *tsdn, arena_t *arena, ssize_t decay_ms);
void arena_decay(tsdn_t *tsdn, arena_t *arena, bool all);
void arena_reset(tsd_t *tsd, arena_t *arena);
void arena_destroy(tsd_t *tsd, arena_t *arena);
@@ -79,10 +77,10 @@ void *arena_ralloc(tsdn_t *tsdn, arena_t *arena, void *ptr, size_t oldsize,
size_t size, size_t alignment, bool zero, tcache_t *tcache);
dss_prec_t arena_dss_prec_get(arena_t *arena);
bool arena_dss_prec_set(arena_t *arena, dss_prec_t dss_prec);
ssize_t arena_dirty_decay_time_default_get(void);
bool arena_dirty_decay_time_default_set(ssize_t decay_time);
ssize_t arena_muzzy_decay_time_default_get(void);
bool arena_muzzy_decay_time_default_set(ssize_t decay_time);
ssize_t arena_dirty_decay_ms_default_get(void);
bool arena_dirty_decay_ms_default_set(ssize_t decay_ms);
ssize_t arena_muzzy_decay_ms_default_get(void);
bool arena_muzzy_decay_ms_default_set(ssize_t decay_ms);
unsigned arena_nthreads_get(arena_t *arena, bool internal);
void arena_nthreads_inc(arena_t *arena, bool internal);
void arena_nthreads_dec(arena_t *arena, bool internal);