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Small performance tweak: avoid calling time() if we don't need it

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iivlev 2016-04-15 17:46:25 +03:00 committed by Aliaksey Kandratsenka
parent db8d483609
commit 06f4ce65c2
1 changed files with 10 additions and 8 deletions
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18
src/heap-profiler.cc
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@ -272,7 +272,7 @@ static void MaybeDumpProfileLocked() {
const int64 inuse_bytes = total.alloc_size - total.free_size;
bool need_to_dump = false;
char buf[128];
int64 current_time = time(NULL);
if (FLAGS_heap_profile_allocation_interval > 0 &&
total.alloc_size >=
last_dump_alloc + FLAGS_heap_profile_allocation_interval) {
@ -293,13 +293,15 @@ static void MaybeDumpProfileLocked() {
snprintf(buf, sizeof(buf), "%" PRId64 " MB currently in use",
inuse_bytes >> 20);
need_to_dump = true;
} else if (FLAGS_heap_profile_time_interval > 0 &&
current_time - last_dump_time >=
FLAGS_heap_profile_time_interval) {
snprintf(buf, sizeof(buf), "%" PRId64 " sec since the last dump",
current_time - last_dump_time);
need_to_dump = true;
last_dump_time = current_time;
} else if (FLAGS_heap_profile_time_interval > 0 ) {
int64 current_time = time(NULL);
if (current_time - last_dump_time >=
FLAGS_heap_profile_time_interval) {
snprintf(buf, sizeof(buf), "%" PRId64 " sec since the last dump",
current_time - last_dump_time);
need_to_dump = true;
last_dump_time = current_time;
}
}
if (need_to_dump) {
DumpProfileLocked(buf);