From: mulyadi.santosa@gmail.com (Mulyadi Santosa)
To: kernelnewbies@lists.kernelnewbies.org
Subject: unable to set smp_affinity of PCIe interrupt
Date: Fri, 10 May 2013 13:02:39 +0700 [thread overview]
Message-ID: <CAGdaadY7BAjZBCxt5UBmSUBV9Y=_93ASK-wJwWPf9qBEYZBHGA@mail.gmail.com> (raw)
In-Reply-To: <1368014709.52476.YahooMailNeo@web125704.mail.ne1.yahoo.com>
On Wed, May 8, 2013 at 7:05 PM, Amit Mahadik <amitmahadik35@yahoo.com> wrote:
> Hello,
> Following is the output of cat /proc/interrupts
>
> CPU0 CPU1 CPU2
>
> 200: 9634 0 0 PCIe0-MSI eth0
>
> I want to change the processor affinity of the above PCIe interrupt
>
> By executing command echo 2 > /proc/irq/200/smp_affinity I get the following
> error
>
> sh: write error: Input/output error
>
> Even after changing the file permissions I have the same problem.
AFAIK, even if you change that file's permission, actually it stays
the same. So you need to switch into root or use sudo to change the
affinity
--
regards,
Mulyadi Santosa
Freelance Linux trainer and consultant
blog: the-hydra.blogspot.com
training: mulyaditraining.blogspot.com
prev parent reply other threads:[~2013-05-10 6:02 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2013-05-08 12:05 unable to set smp_affinity of PCIe interrupt Amit Mahadik
2013-05-10 6:02 ` Mulyadi Santosa [this message]
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