获取进程信息相关命令
任务ID： pid： 进程ID tid：线程ID tgid：主线程ID 显示线程需要增加 L参数 ps -eLo pid,tid,tgid,pgrp,args 任务状态： 进程状态描述： D uninterruptible sleep (usually IO) R running or runnable (on run queue) S interruptible sleep (waiting for an event to complete) T stopped by job control signal t stopped by debugger during the tracing W paging (not valid since the 2.6.xx kernel) X dead (should never be seen) Z defunct (“zombie”) process, terminated but not reaped by its parent ...