Linux下查找占用cpu过高的java线程方法

top

top –Hp 12190

ps -mp 12190 -o THREAD,tid,time

# printf "%x\n" 12205

2fad

#注意%x(小写x代表16字母小写,Linux jstack是小写,AIX的javacore中是大写)

 

# jstack 12190 |grep 2fad

"Thread-0" #9 prio=5 os_prio=0 tid=0x00007f6810141000 nid=0x2fad runnable [0x00007f67fb5f4000]

#

# jstack 12190 >jstack12190.txt

# vi jstack12190.txt

/2fad