From: Andrew Thompson <andrewkt@aktzero.com>
To: Keir Fraser <Keir.Fraser@cl.cam.ac.uk>
Cc: Don Fry <brazilnut@us.ibm.com>, Xen-devel@lists.xensource.com
Subject: Re: [PATCH] per-cpu timer changes
Date: Thu, 26 May 2005 14:06:21 -0400 [thread overview]
Message-ID: <4296101D.20203@aktzero.com> (raw)
In-Reply-To: <800e1c79bfe1143537a9fae6c80fbceb@cl.cam.ac.uk>
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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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next prev parent reply other threads:[~2005-05-26 18:06 UTC|newest]
Thread overview: 8+ messages / expand[flat|nested] mbox.gz Atom feed top
2005-05-24 1:20 [PATCH] per-cpu timer changes Ian Pratt
2005-05-26 17:34 ` Don Fry
2005-05-26 18:01 ` Keir Fraser
2005-05-26 18:06 ` Andrew Thompson [this message]
2005-05-26 18:03 ` Nivedita Singhvi
2005-05-26 19:25 ` Don Fry
-- strict thread matches above, loose matches on Subject: below --
2005-06-07 21:16 Don Fry
2005-05-24 0:35 Don Fry
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