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feat use raise auto stop profiler
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This commit is contained in:
tqcq 2024-04-30 17:16:36 +08:00
parent 76ea4f1eea
commit af261ab82e
1 changed files with 6 additions and 8 deletions
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14
3party/gperftools/src/profiler.cc
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@ -142,9 +142,9 @@ private:
static void
CpuProfilerSwitch(int signal_number)
{
static unsigned profile_count;
static char base_profile_name[PATH_MAX];
static bool started = false;
static std::atomic<unsigned> profile_count;
static std::atomic<bool> started = false;
if (base_profile_name[0] == '\0') {
if (!GetUniquePathFromEnv("CPUPROFILE", base_profile_name)) {
@ -154,7 +154,7 @@ CpuProfilerSwitch(int signal_number)
}
char full_profile_name[PATH_MAX + 16];
snprintf(full_profile_name, sizeof(full_profile_name), "%s.%u", base_profile_name, profile_count);
snprintf(full_profile_name, sizeof(full_profile_name), "%s.%u", base_profile_name, profile_count.load());
if (!started) {
if (!ProfilerStart(full_profile_name)) {
RAW_LOG(FATAL, "Can't turn on cpu profiling for '%s': %s\n", full_profile_name, strerror(errno));
@ -167,12 +167,10 @@ CpuProfilerSwitch(int signal_number)
if (interval > 0) {
RAW_LOG(INFO, "Auto Stop cpu Profiling After %ds", interval);
int cur_profile_count = profile_count;
std::thread([interval, cur_profile_count] {
std::thread([interval, cur_profile_count, signal_number] {
std::this_thread::sleep_for(std::chrono::seconds(interval));
if (profile_count == cur_profile_count + 1) {
RAW_LOG(INFO, "Trigger Auto stop CPU Profiling, duration=%ds", interval);
ProfilerStop();
}
// send signal to self
if (started && profile_count.load() == cur_profile_count + 1) { raise(signal_number); }
}).detach();
}
}