Linux进程预警,Linux shell脚本实现CPU预警

#!/bin/bash

#cpu idle percent

cpu_idle=`top -b -d 1 -n 2 | grep Cpu | awk 'NR>1{print $5}' | cut -f 1 -d "."`

if [ -d "/opt/scripts/log" ]

then

cd /opt/scripts

else

mkdir /opt/scripts/log

fi

count=0

condition=true

while condition

do

if [ $cpu_idle -le 20 ]

then

pids=`top -b -d 1 -n 1 | grep java | awk '{if($9 > 80) print $1}'`

for ((a = 1; a < 10; a++))

do

for pid in $pids

doi

#involve jdk existence check later

date=`date +%Y%m%d%H%M`

sh showstack.sh -c 30 -p $pid > log/stack_$pid_$date.log

jstat -gcutil $pid > log/gc_$pid_$date.log

done

done

for pid in $pids

do

date=`date +%Y%m%d%H%M`

jmap -heap $pid > log/heap_$pid_$date.log

done

count++

cpu_idle=`top -b -d 1 -n 2 | grep Cpu | awk 'NR>1{print $5}' | cut -f 1 -d "."`

if [ $count -ge 3]

then

#send emaili

#server ip address

ip=`ifconfig eth0 | grep "inet addr" | cut -f 2 -d ":" | cut -f 1 -d " "`

condition=false

count=0

fi

else

condition=false

count=0

fi

done

以上所述就是本文给大家分享的全部内容了,希望大家能够喜欢。

你可能感兴趣的:(Linux进程预警)