if (diff_events >= 1)
{
period_average= (double)(diff_time / diff_events);
period_tps= diff_events / (uint64_t)freq;
period_rate= (double)diff_events * obj_size / 1024 / 1024 / freq;
if (diff_events >= 1)
{
period_average= (double)(diff_time / diff_events);
period_tps= diff_events / (uint64_t)freq;
period_rate= (double)diff_events * obj_size / 1024 / 1024 / freq;