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SubjectRe: RSDL v0.31
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On Sat, 2007-03-17 at 08:13 +1100, Con Kolivas wrote:
> On Saturday 17 March 2007 02:34, Mike Galbraith wrote:
> > On Sat, 2007-03-17 at 00:40 +1100, Con Kolivas wrote:
> > > Here are full patches for rsdl 0.31 for various base kernels. A full
> > > announce with a fresh -mm series will follow...
> > >
> > > http://ck.kolivas.org/patches/staircase-deadline/2.6.20.3-rsdl-0.31.patch
> > > http://ck.kolivas.org/patches/staircase-deadline/2.6.21-rc3-sched-rsdl-0.
> > >31.patch
> > > http://ck.kolivas.org/patches/staircase-deadline/2.6.21-rc3-mm2-rsdl-0.31
> > >.patch
> >
> > It still has trouble with the x/gforce vs two niced encoders scenario.
> > The previously reported choppiness is still present.
> >
> > I suspect that x/gforce landing in the expired array is the trouble, and
> > that this will never be smooth without some kind of exemption. I added
> > some targeted unfairness to .30, and it didn't help much at all.
> >
> > Priorities going all the way to 1 were a surprise.
>
> It wasn't going to change that case without renicing X.

Con. You are trying to wedge a fair scheduler into an environment where
totally fair simply can not possibly function.

If this is your final answer to the problem space, I am done testing,
and as far as _I_ am concerned, your scheduler is an utter failure.

-Mike

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