Shell Monitor lists 10 cpu-intensive processes in 1 hours

The script reads as follows:

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#!/bin/sh

#定义变量

secs=3600
Unit_time=60

stepts=$ (($secs/$unit _time))

echo CPU usage ...;

For ((i=0;i<stepts;i++))
Do
Ps-eo COMM,PCPU | Tail-n +2 >>/tmp/cpu_usage.$$ #$$ indicates current process PID information
Sleep $unit _time
Done

echo CPU Eaters:

cat/tmp/cpu_usage.$$ | \
awk ' {process[$1]+=$2}end{for (i in process) {printf ("%-20s%s\n", I,process[i])}} ' | \ #使用awk对收集结果进行统计分析
SORT-NRK 2 | Head

Rm-f/tmp/cpu_usage.$$

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Shell Monitor lists 10 cpu-intensive processes in 1 hours