排查java 内存CPU报警

#!/bin/bash

source /etc/profile

#接收外部传入PID,任选一种
#servicePid=$1

headPid=`ps auxw|sort -rn -k3|head -4|sed -n '1,4p'`
echo "${headPid}" > headPid.log

servicePid=`ps auxw|sort -rn -k3|head -2|sed -n '1p'|awk '{print $2}'`
#rm -rf ./jstack.out
/alidata/jdk1.7.0_79/bin/jstack -l ${servicePid} > jstack.out

#查看该进程的线程情况，排查进程中哪些线程占用率很高，排名前10
showPidmessage=`ps -mp ${servicePid} -o THREAD,tid,time|sort -rn|head -n 10|awk '{print $8}'|sed -n '2,10p'|grep -v '-'`
rm -rf ./showMessage.log

for i in $showPidmessage
do
id=`printf '%x\n' $i`
echo "进程PID:${servicePid},子线程:$i,16进制数值:$id" >> showMessage.log
done

showPid=`ps -mp ${servicePid} -o THREAD,tid,time|sort -rn|head -n 10|awk '{print $2,$8,$9}'|sed -n '2,10p'|grep -v '-'|sort -rn`
echo "线程CPU占用率 线程ID 运行时长" > showPid.log
echo "${showPid}" > showPid.log

echo "this is ok"