diff --git a/3party/gperftools/src/profiler.cc b/3party/gperftools/src/profiler.cc
index 71a3cef..9f0c65b 100644
--- a/3party/gperftools/src/profiler.cc
+++ b/3party/gperftools/src/profiler.cc
@@ -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();
             }
         }