Re: Scheduler fairness problem on 2.6 series (Attn: Nick Piggin andothers)

[Peter Williams]

Peter Williams wrote:
> spaminos-ker@xxxxxxxxx wrote:
>
> > --- Peter Williams <pwil3058@xxxxxxxxxxxxxx> wrote:
> >
> > > You could try Lee Revell's (rlrevell@xxxxxxxxxxx) latency measuring 
> > > patches and also try applying Ingo Molnar's (mingo@xxxxxxx) 
> > > voluntary-preempt patches.
> > >
> > > Peter
> >
> >
> >
> > I tried 2.6.8.1 with voluntary-preempt-2.6.8.1-P9 and I am getting 
> > latency
> > messages, they trigger at around the same time I get "delta = 3" 
> > messages.
> >
> > I guess that there is no way to have the latency reporting work with 
> > the zaphod
> > patch?
>
>
> I'll see what I can do and let you know.

A (gzipped) combined ZAPHOD and P9 voluntary preempt patch for 2.6.8.1 
is available at:

<http://prdownloads.sourceforge.net/cpuse/patch-2.6.8.1-zaphod-vp-v5.0.1.gz?download>

This patch has had minimal testing so use with care and please let me 
know if there are any problems.

Peter
--
Peter Williams                                   pwil3058@xxxxxxxxxxxxxx

"Learning, n. The kind of ignorance distinguishing the studious."
 -- Ambrose Bierce

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