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Fix arena->stats.mapped accounting.

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Mapped memory increases when extent_alloc_wrapper() succeeds, and
decreases when extent_dalloc_wrapper() is called (during purging).
This commit is contained in:
Jason Evans
2017-02-13 10:35:41 -08:00
parent f8fee6908d
commit b0654b95ed
4 changed files with 61 additions and 26 deletions
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12
src/large.c
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@@ -147,6 +147,7 @@ large_ralloc_no_move_expand(tsdn_t *tsdn, extent_t *extent, size_t usize,
bool is_zeroed_trail = false;
bool commit = true;
extent_t *trail;
bool new_mapping;
if ((trail = extent_alloc_cache(tsdn, arena, &extent_hooks,
extent_past_get(extent), trailsize, 0, CACHELINE, &is_zeroed_trail,
&commit, false)) == NULL) {
@@ -155,6 +156,13 @@ large_ralloc_no_move_expand(tsdn_t *tsdn, extent_t *extent, size_t usize,
&is_zeroed_trail, &commit, false)) == NULL) {
return true;
}
if (config_stats) {
new_mapping = true;
}
} else {
if (config_stats) {
new_mapping = false;
}
}
if (extent_merge_wrapper(tsdn, arena, &extent_hooks, extent, trail)) {
@@ -162,6 +170,10 @@ large_ralloc_no_move_expand(tsdn_t *tsdn, extent_t *extent, size_t usize,
return true;
}
if (config_stats && new_mapping) {
arena_stats_mapped_add(tsdn, &arena->stats, trailsize);
}
if (zero || (config_fill && unlikely(opt_zero))) {
if (config_cache_oblivious) {
/*