From: Con Kolivas <kernel@kolivas.org>
To: Ingo Molnar <mingo@elte.hu>
Subject: Re: [2.6.16-rc6 patch] remove sleep_avg multiplier
Date: Tue, 14 Mar 2006 21:05:37 +1100
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Cc: Mike Galbraith <efault@gmx.de>, lkml <linux-kernel@vger.kernel.org>,
       Andrew Morton <akpm@osdl.org>
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On Tuesday 14 March 2006 20:56, Ingo Molnar wrote:
> * Mike Galbraith <efault@gmx.de> wrote:
> > Greetings,
> >
> > The patchlet below removes the sleep_avg multiplier.  This multiplier
> > was necessary back when we had 10 seconds of dynamic range in sleep_avg,
> > but now that we only have one second, it causes that one second to be
> > compressed down to 100ms in some cases.  This is particularly noticeable
> > when compiling a kernel in a slow NFS mount, and I believe it to be a
> > very likely candidate for other recently reported network related
> > interactivity problems.
> >
> > In testing, I can detect no negative impact of this removal.  IMHO, this
> > constitutes a bug-fix, and as such is suitable for 2.6.16.

> looks good to me. The biggest complaint against the current scheduler is
> over-eager interactivity boosting - this patch moderates that in a
> smooth way.

I actually think Mike is right about the change, but has anyone else tested 
this patch to also confirm "it has no negative impact" warranting it's rapid 
inclusion in 2.6.16?

Cheers,
Con
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