fix apache#1973 (apache#1863)

Co-authored-by: XiguoHu <huxiguo@baidu.com>
tanzhongyi003 · Aug 1, 2022 · 65b5fcd · 65b5fcd
1 parent fe48cd3
commit 65b5fcd
Showing 1 changed file with 5 additions and 0 deletions.
diff --git a/src/bvar/detail/sampler.cpp b/src/bvar/detail/sampler.cpp
@@ -17,6 +17,7 @@
 
 // Date: Tue Jul 28 18:14:40 CST 2015
 
+#include <gflags/gflags.h>
 #include "butil/time.h"
 #include "butil/memory/singleton_on_pthread_once.h"
 #include "bvar/reducer.h"
@@ -127,7 +128,11 @@ static PassiveStatus<double>* s_cumulated_time_bvar = NULL;
 static bvar::PerSecond<bvar::PassiveStatus<double> >* s_sampling_thread_usage_bvar = NULL;
 #endif
 
+DEFINE_int32(bvar_sampler_thread_start_delay_us, 10000, "bvar sampler thread start delay us");
+
 void SamplerCollector::run() {
+    ::usleep(FLAGS_bvar_sampler_thread_start_delay_us);
+
 #ifndef UNIT_TEST
     // NOTE:
     // * Following vars can't be created on thread's stack since this thread