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Add the stats.retained and stats.arenas.<i>.retained statistics.

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This resolves #367.
This commit is contained in:
Jason Evans 2016-05-03 22:11:35 -07:00
parent c1e9cf47f9
commit 04c3c0f9a0
7 changed files with 70 additions and 6 deletions
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12
src/stats.c
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@ -259,7 +259,7 @@ stats_arena_print(void (*write_cb)(void *, const char *), void *cbopaque,
unsigned nthreads;
const char *dss;
ssize_t lg_dirty_mult, decay_time;
size_t page, pactive, pdirty, mapped;
size_t page, pactive, pdirty, mapped, retained;
size_t metadata_mapped, metadata_allocated;
uint64_t npurge, nmadvise, purged;
size_t small_allocated;
@ -349,6 +349,9 @@ stats_arena_print(void (*write_cb)(void *, const char *), void *cbopaque,
CTL_M2_GET("stats.arenas.0.mapped", i, &mapped, size_t);
malloc_cprintf(write_cb, cbopaque,
"mapped: %12zu\n", mapped);
CTL_M2_GET("stats.arenas.0.retained", i, &retained, size_t);
malloc_cprintf(write_cb, cbopaque,
"retained: %12zu\n", retained);
CTL_M2_GET("stats.arenas.0.metadata.mapped", i, &metadata_mapped,
size_t);
CTL_M2_GET("stats.arenas.0.metadata.allocated", i, &metadata_allocated,
@ -597,7 +600,7 @@ stats_print(void (*write_cb)(void *, const char *), void *cbopaque,
if (config_stats) {
size_t *cactive;
size_t allocated, active, metadata, resident, mapped;
size_t allocated, active, metadata, resident, mapped, retained;
CTL_GET("stats.cactive", &cactive, size_t *);
CTL_GET("stats.allocated", &allocated, size_t);
@ -605,10 +608,11 @@ stats_print(void (*write_cb)(void *, const char *), void *cbopaque,
CTL_GET("stats.metadata", &metadata, size_t);
CTL_GET("stats.resident", &resident, size_t);
CTL_GET("stats.mapped", &mapped, size_t);
CTL_GET("stats.retained", &retained, size_t);
malloc_cprintf(write_cb, cbopaque,
"Allocated: %zu, active: %zu, metadata: %zu,"
" resident: %zu, mapped: %zu\n",
allocated, active, metadata, resident, mapped);
" resident: %zu, mapped: %zu, retained: %zu\n",
allocated, active, metadata, resident, mapped, retained);
malloc_cprintf(write_cb, cbopaque,
"Current active ceiling: %zu\n",
atomic_read_z(cactive));