Re: [Xen-users] monitoring with MRTG

[Stefan de Konink <skinkie@xxxxxxxxx>]

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Andy Smith schreef:
> Hi James,
> 
> On Sun, Nov 25, 2007 at 12:32:13PM +1100, James Harper wrote:
>>> - Take the rate of increase in e.g. CPU milliseconds per 5 minutes,
>>>   and divide that by 300,000 (the number of milliseconds in 5
>>>   minutes).  That leaves you with percentage CPU use of every
>>>   domain.
>>>
>> Do you do any different sums for SMP domains?
> 
> No as all my domains have only one VCPU.  However, it can't be
> difficult.

Statistics say you can just sum the results (hence your total amount of
ms cpu time will be never bigger than the maximum amount of cpu time
available). I'm going to do the same thing for the XenAPI with
'get_utilisation'.


Stefan
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