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Extract alloc/dalloc utility for last-N nodes

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This commit is contained in:
Yinan Zhang 2020-04-10 15:54:40 -07:00
parent 035be44867
commit 730658f72f
1 changed files with 18 additions and 7 deletions
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25
src/prof_recent.c
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@ -43,6 +43,20 @@ prof_recent_alloc_max_update(tsd_t *tsd, ssize_t max) {
return old_max;
}
static prof_recent_t *
prof_recent_allocate_node(tsdn_t *tsdn) {
return (prof_recent_t *)iallocztm(tsdn, sizeof(prof_recent_t),
sz_size2index(sizeof(prof_recent_t)), false, NULL, true,
arena_get(tsdn, 0, false), true);
}
static void
prof_recent_free_node(tsdn_t *tsdn, prof_recent_t *node) {
assert(node != NULL);
assert(isalloc(tsdn, node) == sz_s2u(sizeof(prof_recent_t)));
idalloctm(tsdn, node, NULL, NULL, true, true);
}
static inline void
increment_recent_count(tsd_t *tsd, prof_tctx_t *tctx) {
malloc_mutex_assert_owner(tsd_tsdn(tsd), tctx->tdata->lock);
@ -277,10 +291,7 @@ prof_recent_alloc(tsd_t *tsd, edata_t *edata, size_t size) {
prof_recent_alloc_count < prof_recent_alloc_max_get(tsd)) {
assert(prof_recent_alloc_max_get(tsd) != 0);
malloc_mutex_unlock(tsd_tsdn(tsd), &prof_recent_alloc_mtx);
reserve = (prof_recent_t *)iallocztm(tsd_tsdn(tsd),
sizeof(prof_recent_t), sz_size2index(sizeof(prof_recent_t)),
false, NULL, true, arena_get(tsd_tsdn(tsd), 0, false),
true);
reserve = prof_recent_allocate_node(tsd_tsdn(tsd));
malloc_mutex_lock(tsd_tsdn(tsd), &prof_recent_alloc_mtx);
prof_recent_alloc_assert_count(tsd);
}
@ -331,7 +342,7 @@ prof_recent_alloc(tsd_t *tsd, edata_t *edata, size_t size) {
malloc_mutex_unlock(tsd_tsdn(tsd), &prof_recent_alloc_mtx);
if (reserve != NULL) {
idalloctm(tsd_tsdn(tsd), reserve, NULL, NULL, true, true);
prof_recent_free_node(tsd_tsdn(tsd), reserve);
}
/*
@ -353,7 +364,7 @@ label_rollback:
prof_recent_alloc_assert_count(tsd);
malloc_mutex_unlock(tsd_tsdn(tsd), &prof_recent_alloc_mtx);
if (reserve != NULL) {
idalloctm(tsd_tsdn(tsd), reserve, NULL, NULL, true, true);
prof_recent_free_node(tsd_tsdn(tsd), reserve);
}
decrement_recent_count(tsd, tctx);
}
@ -422,7 +433,7 @@ prof_recent_alloc_max_ctl_write(tsd_t *tsd, ssize_t max) {
if (node->dalloc_tctx != NULL) {
decrement_recent_count(tsd, node->dalloc_tctx);
}
idalloctm(tsd_tsdn(tsd), node, NULL, NULL, true, true);
prof_recent_free_node(tsd_tsdn(tsd), node);
--count;
} while (!ql_empty(&old_list));
assert(count == 0);