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RE: [Xen-devel] CPU Utilization


  • To: "Anthony Liguori" <aliguori@xxxxxxxxxx>
  • From: "Dave Thompson \(davetho\)" <davetho@xxxxxxxxx>
  • Date: Mon, 12 Dec 2005 18:19:45 -0500
  • Cc: xen-devel@xxxxxxxxxxxxxxxxxxx
  • Delivery-date: Mon, 12 Dec 2005 23:21:22 +0000
  • List-id: Xen developer discussion <xen-devel.lists.xensource.com>
  • Thread-index: AcX/ccZE2L1cNUJcQgaCU5E7prxxbwAAGiFw
  • Thread-topic: [Xen-devel] CPU Utilization

 

> -----Original Message-----
> From: Anthony Liguori [mailto:aliguori@xxxxxxxxxx] 
> Sent: Monday, December 12, 2005 5:01 PM
> To: Dave Thompson (davetho)
> Cc: Rob Gardner; xen-devel@xxxxxxxxxxxxxxxxxxx
> Subject: Re: [Xen-devel] CPU Utilization
> 
> top isn't smart enough to realize that for a portion of the running 
> time, a domain has been pre-empted out and is not running.
> 
> top will then charge whatever was running at pre-emption time for the 
> time that other domain running.

But what else is running?  In this case I only have dom0 configured,
there is no domU.  The only other possibility would be the hypervisor
and I hope the hypervisor is not accounting for the other 30%.

> Regards,
> 
> Anthony Liguori
> 

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