Linux PS PROCESS STATE

最新推荐文章于 2025-02-09 18:22:49 发布

sunrock

最新推荐文章于 2025-02-09 18:22:49 发布

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分类专栏： Linux 文章标签： linux pthreads signal thread header session

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本文详细解释了进程的不同状态，包括运行中(R)、静止状态(S)、暂停执行(T)等，并介绍了特定标记如高优先级(<)、低优先级(N)及进程锁定(L)等含义。

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PROCESS STATE CODES
       Here are the different values that the s, stat and state output specifiers (header "STAT" or "S") will display to describe the state of a process.
       D    Uninterruptible sleep (usually IO)
       R    Running or runnable (on run queue)
       S    Interruptible sleep (waiting for an event to complete)
       T    Stopped, either by a job control signal or because it is being traced.
       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.

       For BSD formats and when the stat keyword is used, additional characters may be displayed:
       <    high-priority (not nice to other users)
       N    low-priority (nice to other users)
       L    has pages locked into memory (for real-time and custom IO)
       s    is a session leader
       l    is multi-threaded (using CLONE_THREAD, like NPTL pthreads do)
       +    is in the foreground process group