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Re: [Xen-devel] xentop, anyone?

To: "Neugebauer, Rolf" <rolf.neugebauer@xxxxxxxxx>
Subject: Re: [Xen-devel] xentop, anyone?
From: Ian Pratt <Ian.Pratt@xxxxxxxxxxxx>
Date: Tue, 20 Jan 2004 11:09:11 +0000
Cc: stevegt@xxxxxxxxxxxxx, xen-devel@xxxxxxxxxxxxxxxxxxxxx, Ian.Pratt@xxxxxxxxxxxx
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> AFAIK, no one has started such as tool but I think it would be useful.
> Of the top of my head, the scheduler at the moment only export absolute
> CPU time consumed, not averaged. However, that could be added, or you do
> some averaging in dom0 based on the information available. 

Exporting the absolute time used is the right thing to do -- the
dom0 tool can then sample and average over whatever window it

> Another useful piece of information might be number of events
> received by a domain. This information should be available in
> Xen but is probably not exported.

Yes -- having something like vmstat showing CPU, network and disk
usage would be useful.


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