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Track per size class internal fragmentation

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This commit is contained in:
Yinan Zhang
2020-12-18 17:14:59 -08:00
parent afa489c3c5
commit 40fa4d29d3
15 changed files with 203 additions and 6 deletions
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3
include/jemalloc/internal/prof_externs.h
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@@ -27,6 +27,9 @@ extern ssize_t opt_prof_recent_alloc_max;
/* Whether to use thread name provided by the system or by mallctl. */
extern bool opt_prof_sys_thread_name;
/* Whether to record per size class counts and request size totals. */
extern bool opt_prof_stats;
/* Accessed via prof_active_[gs]et{_unlocked,}(). */
extern bool prof_active;

17
include/jemalloc/internal/prof_stats.h Normal file
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@@ -0,0 +1,17 @@
#ifndef JEMALLOC_INTERNAL_PROF_STATS_H
#define JEMALLOC_INTERNAL_PROF_STATS_H
typedef struct prof_stats_s prof_stats_t;
struct prof_stats_s {
uint64_t req_sum;
uint64_t count;
};
extern malloc_mutex_t prof_stats_mtx;
void prof_stats_inc(tsd_t *tsd, szind_t ind, size_t size);
void prof_stats_dec(tsd_t *tsd, szind_t ind, size_t size);
void prof_stats_get_live(tsd_t *tsd, szind_t ind, prof_stats_t *stats);
void prof_stats_get_accum(tsd_t *tsd, szind_t ind, prof_stats_t *stats);
#endif /* JEMALLOC_INTERNAL_PROF_STATS_H */

1
include/jemalloc/internal/witness.h
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@@ -73,6 +73,7 @@ enum witness_rank_e {
WITNESS_RANK_PROF_GDUMP = WITNESS_RANK_LEAF,
WITNESS_RANK_PROF_NEXT_THR_UID = WITNESS_RANK_LEAF,
WITNESS_RANK_PROF_RECENT_ALLOC = WITNESS_RANK_LEAF,
WITNESS_RANK_PROF_STATS = WITNESS_RANK_LEAF,
WITNESS_RANK_PROF_THREAD_ACTIVE_INIT = WITNESS_RANK_LEAF,
};
typedef enum witness_rank_e witness_rank_t;