16 lines
397 B
Bash
16 lines
397 B
Bash
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#!/bin/bash
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# cpu usage
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a=`cat /proc/stat|grep cpu|head -n1|sed -r 's/[0-9]+ [0-9]+ [0-9]+ [0-9]+ [0-9]+ [0-9]+ [0-9]+/Z&Z/'|cut -dZ -f2`
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sleep 1
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b=`cat /proc/stat|grep cpu|head -n1|sed -r 's/[0-9]+ [0-9]+ [0-9]+ [0-9]+ [0-9]+ [0-9]+ [0-9]+/Z&Z/'|cut -dZ -f2`
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sum=0
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for i in `seq 3`; do
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s1="`echo $a|cut -d" " -f$i`"
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s2="`echo $b|cut -d" " -f$i`"
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sum=$sum+$s2-$s1
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done
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echo $sum|bc
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