From mboxrd@z Thu Jan  1 00:00:00 1970
From: Andrew Thompson <andrewkt@aktzero.com>
Subject: Re: [PATCH] per-cpu timer changes
Date: Thu, 26 May 2005 14:06:21 -0400
Message-ID: <4296101D.20203@aktzero.com>
References: <A95E2296287EAD4EB592B5DEEFCE0E9D1E41B8@liverpoolst.ad.cl.cam.ac.uk>	<20050526173457.GA4725@us.ibm.com>
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To: Keir Fraser <Keir.Fraser@cl.cam.ac.uk>
Cc: Don Fry <brazilnut@us.ibm.com>, Xen-devel@lists.xensource.com
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Keir Fraser wrote:
> On 26 May 2005, at 18:34, Don Fry wrote:
>> The time going backwards was only occasionally, and it was a BIG jump
>> backwards.  I tracked it down yesterday to a problem with doing 32-bit
>> arithmetic in Linux on the tsc values.  For some reason, every 5-20
>> minutes xen seems to pause for about 5 seconds.  
 >> <snip>

Have you noticed this directly in any dom's, or just in xen?

> It would be good to know where those 5 seconds go. 

See: UFOs, abductions, etc... ;)

-- 
Andrew Thompson
http://aktzero.com/

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