多cpu 情况下，对每个cpu使用情况的监控脚本
时间:2015-01-17 17:35来源:linux.it.net.cn 作者:IT
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!/bin/sh
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DATE=`date +%Y%m%d%H`
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DIR="/root/"
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MAILX=/usr/bin/mailx
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NOTIFY="174915592@qq.com"
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FROM="*****@****.com"
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cd $DIR
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rm out.`date -d -1day +%Y%m%d`*
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rm out.$DATE
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rm report_cpu
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awk '$0 ~/cpu/' /proc/stat | while read line
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do
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echo "$line" | awk '{total=$2+$3+$4+$5+$6+$7+$8;free=$5; print$1" Free "free/total*100"%", "Used " (total-free)/total*100"%"}'>>out.$DATE
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done
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while read line
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do
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cpu_usage=`echo $line | awk '{print $5}' |sed 's/\%$//g'`
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#cpu_usage=`echo $line | awk '{print $5}'`
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echo $cpu_usage
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flag=`expr $cpu_usage \> 0.4`
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if [ "$flag" == "1" ] ; then
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cpu=`echo $line|awk '{print $1}'`
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usage=`echo $line|awk '{print $5}'`
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echo "the $cpu used $usage">>report_cpu
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fi
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done <out.$DATE
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echo "please check below processes :" >>report_cpu
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ps aux|head -1;ps aux|grep -v PID|sort -rn -k +3|head >>report_cpu
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$MAILX -s "the cpu of $hostname used too much , please check it" $NOTIFY<report_cpu
(责任编辑：IT) |
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