From: Ingo Molnar <mingo@elte.hu>
To: Mike Galbraith <efault@gmx.de>
Cc: lkml <linux-kernel@vger.kernel.org>, Andrew Morton <akpm@osdl.org>
Subject: Re: [2.6.16-rc6 patch] remove sleep_avg multiplier
Date: Tue, 14 Mar 2006 10:56:54 +0100 [thread overview]
Message-ID: <20060314095654.GA8756@elte.hu> (raw)
In-Reply-To: <1142329861.9710.16.camel@homer>
* 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.
>
> -Mike
>
> Signed-off-by: Mike Galbraith <efault@gmx.de>
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@elte.hu>
Ingo
next prev parent reply other threads:[~2006-03-14 9:59 UTC|newest]
Thread overview: 12+ messages / expand[flat|nested] mbox.gz Atom feed top
2006-03-14 9:51 [2.6.16-rc6 patch] remove sleep_avg multiplier Mike Galbraith
2006-03-14 9:56 ` Ingo Molnar [this message]
2006-03-14 10:05 ` Con Kolivas
2006-03-14 10:10 ` Con Kolivas
2006-03-14 11:56 ` Mike Galbraith
2006-03-14 12:07 ` Con Kolivas
2006-03-14 12:24 ` Mike Galbraith
2006-03-14 12:29 ` Con Kolivas
2006-03-14 12:36 ` Con Kolivas
2006-03-14 12:40 ` Mike Galbraith
2006-03-14 12:47 ` Con Kolivas
2006-03-14 12:59 ` Mike Galbraith
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