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RE: [Xen-devel] Interrupt levels

To: "Nicholas Lee" <nic-lists@xxxxxxxxxxxxxx>, <xen-devel@xxxxxxxxxxxxxxxxxxxxx>
Subject: RE: [Xen-devel] Interrupt levels
From: "Ian Pratt" <m+Ian.Pratt@xxxxxxxxxxxx>
Date: Tue, 8 Mar 2005 07:52:39 -0000
Cc: <ian.pratt@xxxxxxxxxxxx>
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Thread-index: AcUjq5VrVdIyNlOlTOS5UdtvPV2KdAAB+Qww
Thread-topic: [Xen-devel] Interrupt levels
 > nic@stateless:~$ vmstat 3
> procs -----------memory---------- ---swap-- -----io---- 
> --system-- ----cpu----
>  0  0     12  10680     40  31168    0    0     0    15 
> 173097    20  0  0 100  0
>  
> Is this level of interrupts reasonable? 

55k interrupts a second on a supposedly idle machine is way too many.
Please can you post the ouput of 'cat /proc/interupts' a few seconds
appart.

Have you any USB devices connected?

Ian


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