On Sun, 2006-02-12 at 18:39 -0500, Lee Revell wrote:
> On Sun, 2006-02-12 at 22:36 +0100, MIke Galbraith wrote:
> > On Sun, 2006-02-12 at 14:03 -0500, Lee Revell wrote:
> > > On Sun, 2006-02-12 at 14:47 +0100, MIke Galbraith wrote:
> > > > If you think it's the scheduler, how about try the patch below. It's
> > > > against 2.6.16-rc2-mm1, and should tell you if it is the interactivity
> > > > logic in the scheduler or not. I don't see other candidates in there,
> > > > not that that means there aren't any of course.
> > >
> > > I'll try, but it's a serious pain for me to build an -mm kernel. A
> > > patch against 2.6.16-rc1 would be much easier.
> >
> > Ok, here she comes. It's a bit too reluctant to release a task so it
> > can reach interactive status at the moment, but for this test, that's a
> > feature. In fact, for this test, it's probably best to jump straight to
> > setting both g1 and g2 to zero.
>
> Not only does this fix my "time ls" test case, it seems to drastically
> improve interactivity for my desktop apps. I was really being plagued
> by weird stalls, it's much smoother now.
Yeah, but under load, that reluctance to release is fairly annoying...
>
> Now to regression test it...
...and may cause test applications to not reach their proper priority
before measurement begins.
-Mike
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