project-base/server-skynet-source-3rd-jemalloc
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Reduce footprint of bin_t.

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Avoid storing mutex_prof_data_t in bin_t.  Added bin_stats_data_t which is used
for reporting bin stats.
This commit is contained in:
Qi Wang
2019-11-05 20:43:59 -08:00
committed by Qi Wang
parent cb1a1f4ada
commit 9a7ae3c97f
6 changed files with 54 additions and 57 deletions
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2
include/jemalloc/internal/arena_externs.h
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@@ -25,7 +25,7 @@ void arena_basic_stats_merge(tsdn_t *tsdn, arena_t *arena,
void arena_stats_merge(tsdn_t *tsdn, arena_t *arena, unsigned *nthreads,
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,
bin_stats_t *bstats, arena_stats_large_t *lstats,
bin_stats_data_t *bstats, arena_stats_large_t *lstats,
arena_stats_extents_t *estats);
void arena_extents_dirty_dalloc(tsdn_t *tsdn, arena_t *arena,
extent_hooks_t **r_extent_hooks, extent_t *extent);

23
include/jemalloc/internal/bin.h
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@@ -61,19 +61,20 @@ void bin_postfork_child(tsdn_t *tsdn, bin_t *bin);
/* Stats. */
static inline void
bin_stats_merge(tsdn_t *tsdn, bin_stats_t *dst_bin_stats, bin_t *bin) {
bin_stats_merge(tsdn_t *tsdn, bin_stats_data_t *dst_bin_stats, bin_t *bin) {
malloc_mutex_lock(tsdn, &bin->lock);
malloc_mutex_prof_accum(tsdn, &dst_bin_stats->mutex_data, &bin->lock);
dst_bin_stats->nmalloc += bin->stats.nmalloc;
dst_bin_stats->ndalloc += bin->stats.ndalloc;
dst_bin_stats->nrequests += bin->stats.nrequests;
dst_bin_stats->curregs += bin->stats.curregs;
dst_bin_stats->nfills += bin->stats.nfills;
dst_bin_stats->nflushes += bin->stats.nflushes;
dst_bin_stats->nslabs += bin->stats.nslabs;
dst_bin_stats->reslabs += bin->stats.reslabs;
dst_bin_stats->curslabs += bin->stats.curslabs;
dst_bin_stats->nonfull_slabs += bin->stats.nonfull_slabs;
bin_stats_t *stats = &dst_bin_stats->stats_data;
stats->nmalloc += bin->stats.nmalloc;
stats->ndalloc += bin->stats.ndalloc;
stats->nrequests += bin->stats.nrequests;
stats->curregs += bin->stats.curregs;
stats->nfills += bin->stats.nfills;
stats->nflushes += bin->stats.nflushes;
stats->nslabs += bin->stats.nslabs;
stats->reslabs += bin->stats.reslabs;
stats->curslabs += bin->stats.curslabs;
stats->nonfull_slabs += bin->stats.nonfull_slabs;
malloc_mutex_unlock(tsdn, &bin->lock);
}

7
include/jemalloc/internal/bin_stats.h
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@@ -47,8 +47,11 @@ struct bin_stats_s {
/* Current size of nonfull slabs heap in this bin. */
size_t nonfull_slabs;
mutex_prof_data_t mutex_data;
};
typedef struct bin_stats_data_s bin_stats_data_t;
struct bin_stats_data_s {
bin_stats_t stats_data;
mutex_prof_data_t mutex_data;
};
#endif /* JEMALLOC_INTERNAL_BIN_STATS_H */

2
include/jemalloc/internal/ctl.h
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@@ -42,7 +42,7 @@ typedef struct ctl_arena_stats_s {
uint64_t nfills_small;
uint64_t nflushes_small;
bin_stats_t bstats[SC_NBINS];
bin_stats_data_t bstats[SC_NBINS];
arena_stats_large_t lstats[SC_NSIZES - SC_NBINS];
arena_stats_extents_t estats[SC_NPSIZES];
} ctl_arena_stats_t;