From: Nick Piggin <nickpiggin@yahoo.com.au>
To: Simon Derr <Simon.Derr@bull.net>
Cc: linux-kernel@vger.kernel.org
Subject: Re: sched_setaffinity() and load balancing
Date: Wed, 18 Aug 2004 22:50:24 +1000 [thread overview]
Message-ID: <41235090.8090909@yahoo.com.au> (raw)
In-Reply-To: <Pine.A41.4.53.0408181338030.20680@isabelle.frec.bull.fr>
Simon Derr wrote:
> Hello,
>
> This is probably a known issue, or even maybe the expected behaviour, but
> it seems that using sched_setaffinity() can severely disturb load
> balancing on recent kernels. My tests are with 2.6.8-rc3 but I suppose
> other kernel versions behave the same way.
>
Yep, it shouldn't be anything new.
You could justify the problem by saying that by using setaffinity, the
user has asserted that they know best and so it is OK for the balancer
to crap itself.
Ideally it would be handled nicely, but not a lot of people care at the
moment.
prev parent reply other threads:[~2004-08-18 12:50 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2004-08-18 12:22 sched_setaffinity() and load balancing Simon Derr
2004-08-18 12:50 ` Nick Piggin [this message]
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