Powertop on macbook

[Sergi Barroso]

El Miércoles 16 Mayo 2007, Arjan van de Ven escribió:
> Sergi Barroso wrote:
> > Hi all,
> >
> > This is the most power consumtion process:
> >   19.2% (33.4)           syndock : schedule_timeout (process_timeout)
> >   19.0% (33.2)              Xorg : do_setitimer (it_real_fn)
> >   13.2% (23.0)           knotify : schedule_timeout (process_timeout)
> >
> > What's exactly schedule_timeout?
>
> it's a kernel function that is there to create a non-busy-looping
> delay. If you see it in powertop it usually because the program calls
> select() or poll() with a timeout...
>
> one way to find out what syndock is doing is
>
> strace -tt -p `pidof syndock`
>
> if it shows select() or poll() a lot, it's doing really short timeout
> polls...
It shows select with timeout every 10 seconds.


-- 

 Sergi Barroso
 Linux user #313577
 PGPID: 287913B4
 http://www.lionclan.org

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