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Date: Thu, 13 Mar 2003 16:47:26 +0100
To: Mark Hounschell <markh@compro.net>
Cc: linux-kernel@vger.kernel.org
Subject: Re: is irq smp affinity good for anything?
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On Thu, Mar 13, 2003 at 07:17:37AM -0500, Mark Hounschell wrote:
[...]
> If you also bind your task to the same cpu and force all other tasks from that
> cpu while doing the same with the irq, your determinism will improve greatly.
> Determinism being the difference in the best and worse case latencies. The
> smaller the better (jitter). This won't increase a single latency time but your
> determinism will be greatly improved.

Thanks so much for your comments

Yes... maybe there is also cache pingpong because common locks are in
different cpus... I'will try it

do you know what's the best/less intrusive patch that allows 
task cpu binding?

Thanks in advance again :-)

regards

	Ulisses

                Debian GNU/Linux: a dream come true
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