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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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31
src/prof.c
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@ -8,6 +8,7 @@
#include "jemalloc/internal/prof_data.h"
#include "jemalloc/internal/prof_log.h"
#include "jemalloc/internal/prof_recent.h"
#include "jemalloc/internal/prof_stats.h"
#include "jemalloc/internal/prof_sys.h"
#include "jemalloc/internal/thread_event.h"
@ -131,6 +132,10 @@ prof_malloc_sample_object(tsd_t *tsd, const void *ptr, size_t size,
assert(tctx == edata_prof_tctx_get(edata));
prof_recent_alloc(tsd, edata, size, usize);
}
if (opt_prof_stats) {
prof_stats_inc(tsd, szind, size);
}
}
void
@ -160,6 +165,10 @@ prof_free_sampled_object(tsd_t *tsd, size_t usize, prof_info_t *prof_info) {
prof_try_log(tsd, usize, prof_info);
prof_tctx_try_destroy(tsd, tctx);
if (opt_prof_stats) {
prof_stats_dec(tsd, szind, prof_info->alloc_size);
}
}
prof_tctx_t *
@ -587,7 +596,13 @@ prof_boot2(tsd_t *tsd, base_t *base) {
next_thr_uid = 0;
if (malloc_mutex_init(&next_thr_uid_mtx, "prof_next_thr_uid",
WITNESS_RANK_PROF_NEXT_THR_UID, malloc_mutex_rank_exclusive)) {
WITNESS_RANK_PROF_NEXT_THR_UID,
malloc_mutex_rank_exclusive)) {
return true;
}
if (malloc_mutex_init(&prof_stats_mtx, "prof_stats",
WITNESS_RANK_PROF_STATS, malloc_mutex_rank_exclusive)) {
return true;
}
@ -595,8 +610,9 @@ prof_boot2(tsd_t *tsd, base_t *base) {
return true;
}
if (malloc_mutex_init(&prof_dump_filename_mtx, "prof_dump_filename",
WITNESS_RANK_PROF_DUMP_FILENAME, malloc_mutex_rank_exclusive)) {
if (malloc_mutex_init(&prof_dump_filename_mtx,
"prof_dump_filename", WITNESS_RANK_PROF_DUMP_FILENAME,
malloc_mutex_rank_exclusive)) {
return true;
}
if (malloc_mutex_init(&prof_dump_mtx, "prof_dump",
@ -681,9 +697,10 @@ prof_prefork1(tsdn_t *tsdn) {
malloc_mutex_prefork(tsdn, &prof_active_mtx);
malloc_mutex_prefork(tsdn, &prof_dump_filename_mtx);
malloc_mutex_prefork(tsdn, &prof_gdump_mtx);
malloc_mutex_prefork(tsdn, &prof_recent_alloc_mtx);
malloc_mutex_prefork(tsdn, &prof_stats_mtx);
malloc_mutex_prefork(tsdn, &next_thr_uid_mtx);
malloc_mutex_prefork(tsdn, &prof_thread_active_init_mtx);
malloc_mutex_prefork(tsdn, &prof_recent_alloc_mtx);
}
}
@ -692,10 +709,11 @@ prof_postfork_parent(tsdn_t *tsdn) {
if (config_prof && opt_prof) {
unsigned i;
malloc_mutex_postfork_parent(tsdn, &prof_recent_alloc_mtx);
malloc_mutex_postfork_parent(tsdn,
&prof_thread_active_init_mtx);
malloc_mutex_postfork_parent(tsdn, &next_thr_uid_mtx);
malloc_mutex_postfork_parent(tsdn, &prof_stats_mtx);
malloc_mutex_postfork_parent(tsdn, &prof_recent_alloc_mtx);
malloc_mutex_postfork_parent(tsdn, &prof_gdump_mtx);
malloc_mutex_postfork_parent(tsdn, &prof_dump_filename_mtx);
malloc_mutex_postfork_parent(tsdn, &prof_active_mtx);
@ -719,9 +737,10 @@ prof_postfork_child(tsdn_t *tsdn) {
if (config_prof && opt_prof) {
unsigned i;
malloc_mutex_postfork_child(tsdn, &prof_recent_alloc_mtx);
malloc_mutex_postfork_child(tsdn, &prof_thread_active_init_mtx);
malloc_mutex_postfork_child(tsdn, &next_thr_uid_mtx);
malloc_mutex_postfork_child(tsdn, &prof_stats_mtx);
malloc_mutex_postfork_child(tsdn, &prof_recent_alloc_mtx);
malloc_mutex_postfork_child(tsdn, &prof_gdump_mtx);
malloc_mutex_postfork_child(tsdn, &prof_dump_filename_mtx);
malloc_mutex_postfork_child(tsdn, &prof_active_mtx);