[GitHub] [incubator-brpc] hellowalnut opened a new issue #835: 使用 bvar::LatencyRecorder的时，latency和qps值一直是0.

[GitBox <gi...@apache.org>]

hellowalnut opened a new issue #835: 使用 bvar::LatencyRecorder的时，latency和qps值一直是0.
URL: https://github.com/apache/incubator-brpc/issues/835
 
 
   hi, 在使用 bvar::LatencyRecorder的时，latency和qps值一直是0. 
   ``` c++
   static void test()
   {
       bvar::LatencyRecorder my_test("this_is_my_test_quota")
       for(;;){            
           bthread_usleep(1000);
           my_test << 1000;    
       }
   }
   ```
   一直跑了好几分钟，
   在vars里显示如下：
   this_is_my_test_quota_count : 88348
   this_is_my_test_quota_latency : 0
   this_is_my_test_quota_latency_9999 : 0
   this_is_my_test_quota_latency_cdf : "click to view"
   this_is_my_test_quota_latency_percentiles : "[0,0,0,0]"
   this_is_my_test_quota_max_latency : 0
   this_is_my_test_quota_qps : 0
   
   count数量可以统计到，其它项都为0，点开后展示的图形上的值也是0
    bvar_dump_interval  值是10s
   请教下，是使用方法或设置不对么？

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