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Re: [Xen-devel] Question Also regarding interrupt balancing

  • To: "Keir Fraser" <Keir.Fraser@xxxxxxxxxxxx>
  • From: harish <mvharish@xxxxxxxxx>
  • Date: Sat, 10 Jun 2006 09:58:39 -0700
  • Cc: xen-devel@xxxxxxxxxxxxxxxxxxx
  • Delivery-date: Sat, 10 Jun 2006 09:59:01 -0700
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Hi Keir,
echo "2" > /proc/irq/23/smp_affinity  does not seem to change the value in smp_affinity
cat /proc/irq/23/smp_affinity still shows 0f

Could there some bug or configuration problem that you can think of?


On 6/10/06, Keir Fraser <Keir.Fraser@xxxxxxxxxxxx> wrote:

On 9 Jun 2006, at 19:39, harish wrote:

> Is it possible to use smp_afffinity to pin the interrupts to specific
> pcpus.
> In my machine:
> cat /proc/irq/23/smp_affinity
> 0f
> I tried
> echo "2" > /proc/irq/23/smp_affinity [with the hope that the
> interrupts get routed to pcpu1]
> But do not see the new value taking effect. I am missing something.
> thanks in advance,

That should definitely work and have an effect on /proc/interrupts.

  -- Keir

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