Re: [PATCH][RSDL-mm 0/7] RSDL cpu scheduler for 2.6.21-rc3-mm2

Ingo Molnar
2007-03-11T12:11:36Z

* Mike Galbraith <efault@gmx.de> wrote:

> > Full patch for 2.6.21-rc3-mm2:
> > http://ck.kolivas.org/patches/staircase-deadline/2.6.21-rc3-mm2-rsdl-0.29.patch
>
> I'm seeing a cpu distribution problem running this on my P4 box.

> With 2.6.21-rc3, X/Gforce maintain their ~50% cpu (remain smooth), and
> the encoders (100%cpu bound) get whats left when Amarok isn't eating
> it.
>
> I plunked the above patch into plain 2.6.21-rc3 and retested to
> eliminate other mm tree differences, and it's repeatable. The nice 5
> cpu hogs always receive considerably more that the nice 0 sleepers.

hm. Do you get the same same problem on UP too? (i.e. lets eliminate any
SMP/HT artifacts)

Ingo