JMC: Total CPU usage is per core or overall

StackOverflow https://stackoverflow.com/questions/21573048

  •  07-10-2022
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题

I'm using Java Mission Control released with jdk 7u40. Is "Total CPU Usage" is calculated per core or overall?

有帮助吗？

解决方案

It's normalized, both in Flight Recorder and the JMX Console. Maximum is 100%

其他提示

Its overall. so if you have 4 cores it can go up to 400%

Please see the ans link here as well

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