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Add stats counters for number of zero reallocs

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David T. Goldblatt 2019-10-26 11:04:46 -07:00 • committed by David Goldblatt
parent 9cfa805947
commit de81a4eada
8 changed files with 81 additions and 2 deletions
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5
src/jemalloc.c
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@ -70,6 +70,8 @@ bool opt_junk_free =
zero_realloc_action_t opt_zero_realloc_action =
zero_realloc_action_strict;
atomic_zu_t zero_realloc_count = ATOMIC_INIT(0);
const char *zero_realloc_mode_names[] = {
"strict",
"free",
@ -3160,6 +3162,9 @@ je_rallocx(void *ptr, size_t size, int flags) {
static void *
do_realloc_nonnull_zero(void *ptr) {
if (config_stats) {
atomic_fetch_add_zu(&zero_realloc_count, 1, ATOMIC_RELAXED);
}
if (opt_zero_realloc_action == zero_realloc_action_strict) {
/*
* The user might have gotten a strict setting while expecting a