■ IT/- Linux

PS AUX에서 STAT에 있는 값 의미

개발따 2019. 8. 8. 15:11

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.

그리고 상태 뒤에 l, +, L 같은게 붙은 것들이 있다. ( Ex. SL, Ss, S+ )
이에 대한 의미는 아래와 같다.

< 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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