[nzlug] process

[Alex Thomson]

Doh!  Pipped at the post :)

Hadley Rich wrote:
> On Monday 13 November 2006 09:59, anru chen wrote:
>> hi :
>>
>> when i issued "ps aux" command, i saw some processes have "SN" field
>> under STAT column, just want to know what is "N" mean.
>>
>> regards,
>>
>> anru
> 
> 
> Excerpt from the ps man page (from where it is probably easier to read):
> 
> 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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