[OT] what's the "Sl" stat mean during "ps"

ben darby ben at cvrse.com
Fri Nov 17 10:54:04 UTC 2006

* ?? ???? wrote:
> A short question,
> I have some thread masked as "Sl" status in the output of the command "ps".
> What's this mean?

from the ps man page:

Here are the different values that the s, stat and state output
(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
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

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

ben darby
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