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Re: [Xen-devel] [PATCH] per-cpu timer changes

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

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