Re: [2.6.16-rc6 patch] remove sleep_avg multiplier

[Ingo Molnar]

* Mike Galbraith <efault@xxxxxx> 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.
> 
> 	-Mike
> 
> Signed-off-by: Mike Galbraith <efault@xxxxxx>

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

Acked-by: Ingo Molnar <mingo@xxxxxxx>

	Ingo
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