Linux 查看进程以及子进程/线程

1、 查看进程信息

# ps -ef | grep
114

root 114 2 0 Jun23 ? 00:00:00 [kswapd1]

2、查看进程的子进程/线程

# pstree -p 5346

dataserver(5346)─┬─jsagent(5802)─┬─{jsagent}(5807)

│ ├─{jsagent}(5811)

│ ├─{jsagent}(5812)

│ ├─{jsagent}(5813)

│ ├─{jsagent}(5814)

│ ├─{jsagent}(5815)

│ ├─{jsagent}(5816)

│ ├─{jsagent}(5817)

│ ├─{jsagent}(5818)

│ └─{jsagent}(5819)

├─{dataserver}(5435)

├─{dataserver}(5436)

├─{dataserver}(5437)

├─{dataserver}(5438)

├─{dataserver}(5439)

├─{dataserver}(5440)

├─{dataserver}(5441)

├─{dataserver}(5442)

├─{dataserver}(5443)

├─{dataserver}(5444)

├─{dataserver}(5445)

├─{dataserver}(5446)

├─{dataserver}(5447)

├─{dataserver}(5448)

└─{dataserver}(5449)

或者# ps mp
5346 -o THREAD,tid

USER %CPU PRI SCNT WCHAN USER SYSTEM TID

root 7.3 - - - - - -

root 0.0 19 - futex_ - - 5346

root 0.0 19 - - - - 5435

root 0.0 19 - futex_ - - 5436

root 0.0 19 - futex_ - - 5437

root 0.0 19 - futex_ - - 5438

root 0.0 19 - futex_ - - 5439

root 2.7 19 - futex_ - - 5440

root 2.4 19 - futex_ - - 5441

root 2.0 19 - futex_ - - 5442

root 0.0 19 - pipe_w - - 5443

root 0.0 19 - futex_ - - 5444

root 0.0 19 - futex_ - - 5445

root 0.0 19 - futex_ - - 5446

root 0.0 19 - - - - 5447

root 0.0 19 - - - - 5448

root 0.0 19 - read_e - - 5449