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  • PS中进程状态

    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.

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  • 原文地址:https://www.cnblogs.com/embedded-linux/p/5004419.html
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