Re: [patch] CFS scheduler, -v11

From: Ingo Molnar
Date: Thu May 10 2007 - 16:05:22 EST



* Christian <christiand59@xxxxxx> wrote:

> > > Desktop performance without any manual renicing is excellent, even
> > > with make -j20. Gaming performance is at least on par with SD now!
> > > I've tried to
> >
> > Which games are you trying? and have you tried other workloads then
> > make -j20?
> >
> > try have a window with some 3d game open, and a browser besides it,
> > and press a link. i cant seem to get smooth results with CFS.
[...]
>
> I've tried many different workloads, kernel compile (normal -j4),
> extreme kernel compile (-j20) and Browsing/Open Office. GLXGears,
> Briquolo and enemy-territory work relly well under these loads.

do you have CONFIG_PREEMPT enabled - while perhaps Kasper has it
disabled? Kasper, if so, could you try a quick test with CONFIG_PREEMPT
enabled, does that make any difference to your gaming-smoothness
results? [it's not a real solution, but this would help us narrow down
the smoothness problem you are seeing.]

Ingo
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