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#!/bin/bash
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DST_DIR=/www/server/op_waf
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DIS_FILE=${DST_DIR}/cpu.info
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function GetCpuUsage(){
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cpu_info=`cat /proc/stat | head -n 1`
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idle_cpu=`echo $cpu_info|awk '{print $2}'`
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cpu_total_time=0
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for ci in ${cpu_info[@]}; do
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if [ "$ci" == "cpu" ];then
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continue
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else
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#echo $ci
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cpu_total_time=`expr $cpu_total_time + $ci`
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fi
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done
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#echo "idle_cpu:${idle_cpu}"
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#echo "cpu_total_time:${cpu_total_time}"
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cpu_percet=$(awk "BEGIN{print ((${cpu_total_time}-${idle_cpu})/${cpu_total_time})*100}")
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echo "${cpu_percet}"
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return 0
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}
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# one value detal
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getOne=`GetCpuUsage`
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CPU_USAGE=`echo $getOne | awk -F . '{print $1}'`
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echo "cpu usage:${CPU_USAGE}"
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echo $CPU_USAGE > $DIS_FILE
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echo "done success!"
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# two value compare
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# getOne=`GetCpuUsage`
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# echo "getOne:$getOne"
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# sleep 1
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# getTwo=`GetCpuUsage`
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# echo "getTwo:$getTwo"
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# cpu_percet_calc=$(awk "BEGIN{print (${getOne}+${getTwo})/2}")
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# echo "cpu_percet_calc:${cpu_percet_calc}"
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# #echo '0.61212' | awk -F . '{print $1}'
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# CPU_USAGE=`echo $cpu_percet_calc | awk -F . '{print $1}'`
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# echo "cpu usage:${CPU_USAGE}"
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# echo $CPU_USAGE > $DIS_FILE
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# echo "done success!"
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