Linux下使用Shell命令查看CPU占用率高的进程脚本

Linux下使用Shell命令查看CPU占用率高的进程脚本

#!/bin/bash TOPK={{topk}} SECS={{samplingTime}} INTERVAL={{interval}} STEPS=$(( $SECS / $INTERVAL )) TEMP_FILE_PREFIX="/tmp/tat_public_cpu_usage"  echo Watching CPU usage... for((i=0;i<$STEPS;i++)) do   ps -eocomm,pcpu | tail -n +2 >> $TEMP_FILE_PREFIX.$$   sleep $INTERVAL done  echo echo CPU eaters : cat $TEMP_FILE_PREFIX.$$ |  awk ' { process[$1]+=$2;}  END{   for(i in process) {     printf("%-20s %sn",i, process[i]) ;   } }' | sort -nrk 2 | head -n $TOPK  rm $TEMP_FILE_PREFIX.$$

本脚本来自腾讯云