From: Arjan van de Ven <arjan@infradead.org>
To: "Jeffrey V. Merkey" <jmerkey@wolfmountaingroup.com>
Cc: listmonkey@neo.relay-host.net, linux-kernel@vger.kernel.org
Subject: Re: SMP CPU affinity questions
Date: Sun, 06 Nov 2005 08:56:43 +0100 [thread overview]
Message-ID: <1131263804.2826.1.camel@laptopd505.fenrus.org> (raw)
In-Reply-To: <4368EBBF.2000302@wolfmountaingroup.com>
On Wed, 2005-11-02 at 09:39 -0700, Jeffrey V. Merkey wrote:
> listmonkey@neo.relay-host.net wrote:
>
> >Hi-
> >
> >I am trying to use a quad Opteron motherboard with SMP Kernel 2.6.5 for a quasi-real-time task.
> >I need to assign all processes to specific CPUs, including interrupt handlers.
> >I have had success using sched_setaffinity() to set the CPU for processes I create, but I am unable,
> >as root, to force system processes to move to another CPU. Any ideas?
> >
> >I can find no documentation about how to force an interrupt handler to a specific CPU - is this
> >possible without modifying the kernel?
> >
> >
> >
>
>
> IOApic's support binding of interrupt delivery in intel based platforms,
> but I am unaware of tools which force this
> setting by default on Linux, but someone else may be able to point you
> in that direction.
http://people.redhat.com/arjanv/irqbalance
next prev parent reply other threads:[~2005-11-06 7:57 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2005-11-02 17:50 listmonkey
2005-11-02 16:39 ` Jeffrey V. Merkey
2005-11-05 23:48 ` Zwane Mwaikambo
2005-11-06 7:56 ` Arjan van de Ven [this message]
2005-11-02 18:54 ` Lee Revell
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