From mboxrd@z Thu Jan  1 00:00:00 1970
From: Andrew Cooper <andrew.cooper3@citrix.com>
Subject: Re: cpuidle and un-eoid interrupts at the local apic
Date: Mon, 9 Sep 2013 13:53:29 +0100
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To: Jan Beulich <JBeulich@suse.com>
Cc: Yang Z Zhang <yang.z.zhang@intel.com>, xen-devel <xen-devel@lists.xenproject.org>, "Thimo E." <abc@digithi.de>, Keir Fraser <keir@xen.org>
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On 09/09/13 08:59, Jan Beulich wrote:
>>>> On 07.09.13 at 19:02, Andrew Cooper <andrew.cooper3@citrix.com> wrote:
>> domain-list=0 means that this interrupt is targeted at dom0 (It is a
>> list because certain interrupts have to be shared my more than 1
>> domain).  Helpfully, the keyhandler truncates the pirq field, so 276 is
>> unlikely to be correct.  As it is a dom0 MSI, I am guessing it actually
>> matches up with interrupt 1276 in /proc/interrupts, if there is one.
> What truncation are you seeing here? %3d merely pads the number
> with spaces if it ends up being less than three digits. Wider numbers
> still get printed in full. Whether that padding is really useful is another
> question...
>
> Jan
>

Yes - very true.  Which means there is some other reason for the 1000
discrepancy between Xen and Dom0 ideas of dom0's of its pirqs.

~Andrew