Linux 进程状态介绍

进程状态说明

 进程主状态：
 D：不可中断的睡眠状态 uninterruptible sleeping(usually IO)
 R：正在运行，或在队列中的 running or runnable (on run queue)
 S：处于休眠状态 interruptible sleep (waiting for an event to complete)
 T：停止状态 stopped by job control signal
 t：被追踪状态 stopped by debugger during the tracing
 Z 僵尸进程。defunct ("zombie") process, terminated but not reaped by its parent
 W：进入内存交换（从内核2.6开始无效）paging (not valid since the 2.6.xx kernel)
 X：死掉的进程 dead (should never be seen)
 O：进程正在处理器运行,这个状态从来没有见过
 B：进程正在等待更多的内存页

 进程子状态：