#!/bin/bash

 #输入占用CPU较高的进程号

 pid=$

 if [ -z $pid ]

 then

 echo "PID is NULL"

 exit

 fi

 #找到该进程中占用较高的前30个线程号

 ps -mp ${pid} -o THREAD,tid,time | sort -rn |head - >mytmp.out   

 #获取线程信息

 while read line

  do

 tid=`echo $line | awk '{print $8}'`

 echo $tid

 if [ "${tid}" = "-" ]

 then

 echo "this is '-'"

 else

 echo "TID is :"$tid>>${pid}_busy_thread.log

 sixteenth=`printf "%x" $tid`

 echo "Transform to 0xxxx is :"$sixteenth >>${pid}_busy_thread.log

 /home/service/jdk1..0_29/bin/jstack ${pid} | grep $sixteenth -A  >>${pid}_busy_thread.log

 fi

 done  <mytmp.out

 echo "Finished!"