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Last-N profiling mode

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This commit is contained in:
Yinan Zhang 2019-12-18 13:38:14 -08:00
parent 7a27a05940
commit 9a60cf54ec
26 changed files with 1218 additions and 44 deletions
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20
src/large.c
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@ -5,6 +5,7 @@
#include "jemalloc/internal/assert.h"
#include "jemalloc/internal/extent_mmap.h"
#include "jemalloc/internal/mutex.h"
#include "jemalloc/internal/prof_recent.h"
#include "jemalloc/internal/rtree.h"
#include "jemalloc/internal/util.h"
@ -368,8 +369,22 @@ large_salloc(tsdn_t *tsdn, const edata_t *edata) {
}
void
large_prof_info_get(const edata_t *edata, prof_info_t *prof_info) {
edata_prof_info_get(edata, prof_info);
large_prof_info_get(tsd_t *tsd, edata_t *edata, prof_info_t *prof_info,
bool reset_recent) {
assert(prof_info != NULL);
nstime_copy(&prof_info->alloc_time, edata_prof_alloc_time_get(edata));
prof_tctx_t *alloc_tctx = edata_prof_tctx_get(edata);
prof_info->alloc_tctx = alloc_tctx;
if (reset_recent && (uintptr_t)alloc_tctx > (uintptr_t)1U) {
/*
* This allocation was a prof sample. Reset the pointer on the
* recent allocation record, so that this allocation is
* recorded as released.
*/
prof_recent_alloc_reset(tsd, edata);
}
}
static void
@ -388,4 +403,5 @@ large_prof_info_set(edata_t *edata, prof_tctx_t *tctx) {
nstime_t t;
nstime_init_update(&t);
edata_prof_alloc_time_set(edata, &t);
edata_prof_recent_alloc_init(edata);
}