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Get CPU usage may error #2

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Justme0 opened this issue Sep 28, 2021 · 0 comments

Justme0 commented Sep 28, 2021

If proc id is in another process cmd line, grep may find it.

//返回某个进程的cpu使用率
func CpuUsedRateByProc(proc string) string {
	//return ExecOutput("ps axuwww|grep " + proc + "|grep -v grep|awk 'BEGIN{sum=0}{sum+=$3 }END{print sum}'")
	return ExecOutput("top -n 1 -b |grep '"+proc+"'|grep -v grep|awk 'BEGIN{sum=0}{sum+=$9 }END{print sum}'")
}

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