C:\Users\EDZ>jstack -help
Usage:
jstack [-l] <pid>
(to connect to running process)
jstack -F [-m] [-l] <pid>
(to connect to a hung process)
jstack [-m] [-l] <executable> <core>
(to connect to a core file)
jstack [-m] [-l] [server_id@]<remote server IP or hostname>
(to connect to a remote debug server)
Options:
-F to force a thread dump. Use when jstack <pid> does not respond (process is hung)
-m to print both java and native frames (mixed mode)
-l long listing. Prints additional information about locks
-h or -help to print this help message参数说明：
- -l 长列表. 打印关于锁的附加信息,例如属于java.util.concurrent 的 ownable synchronizers列表.
- -F 当’jstack [-l] pid’没有相应数据的时候强制打印栈信息
- -m 打印java和native c/c++框架的所有栈信息.
- -h | -help 打印帮助信息 pid 需要被打印配置信息的java进程id,可以用jps查询.
jps(Java Virtual Machine Process Status Tool)
是java提供的一个显示当前所有java进程pid的命令
