Re: [PATCH] eliminate a truckload of context switches
J . A . Magallon (jamagallon@able.es)
Sun, 13 May 2001 21:59:20 +0200
On 05.13 Rik van Riel wrote:
> On Tue, 8 May 2001, Mike Galbraith wrote:
>
> > While running a ktrace enabled kernel (IKD), I noticed many useless
> > context switches. The problem is that we continually pester kswapd/
> > kflushd at times when they can't do anything other than go back to
> > sleep. As you'll see below, we do this quite a bit under heavy load.
>
> I agree, both with your analysis that the context switches
> aren't needed and with the patch you sent to fix it.
>
> Linus, if it isn't in the kernel yet, please put it in...
>
If it matters, I have been running it on 2.4.4-ac8 and works fine...
--
J.A. Magallon # Let the source be with you...
mailto:jamagallon@able.es
Linux Mandrake release 8.1 (Cooker) for i586
Linux werewolf 2.4.4-ac8 #1 SMP Sat May 12 01:16:37 CEST 2001 i686
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