Raise refresh rate to avoid timerthread constantly preempting the main thread

clock-res/src/clockres.c

@@ -125,7 +125,7 @@ int main(int argc, char *argv[]) {
 
   main_param.enable_tracing = 0;
   main_param.enable_graph = 0;
-  main_param.refresh_rate = 300000;
+  main_param.refresh_rate = 50000;
 
   // Process bash options
   process_options(argc, argv, &param, &main_param);