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Posted to notifications@skywalking.apache.org by GitBox <gi...@apache.org> on 2021/04/27 13:17:04 UTC

[GitHub] [skywalking] wankai123 commented on issue #6857: how can i understand cpu useage? it looks like incorrect

wankai123 commented on issue #6857:
URL: https://github.com/apache/skywalking/issues/6857#issuecomment-827598809


   How many cores the VM has？It seems always idle. The CPU max usage is 100% * cores.
   `rate('PT1M')`  is the per-second average rate of increase **in a minute**, and if the value is less than 1 there will show 0.
   Could you make the CPU busier and use the command `top` in the OS to compare the CPU usage ？
   And you can try replace `rate('PT1M')` to `irate()`.
   Then I can found out whether this is a bug. @pope12389 


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