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[Xen-users] Re: What does xm top mean by the following:
- To: xen-users <xen-users@xxxxxxxxxxxxxxxxxxx>
- From: pv <vishnubhatt@xxxxxxxxx>
- Date: Tue, 4 Jul 2006 16:03:35 -0700
- Delivery-date: Tue, 04 Jul 2006 16:04:23 -0700
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Thx Mats - I'm not quite sure what the %-ages mean i.e. what is 100% - is it the sum of all the cpu(hw or hyperthreaded or vcpus) on all the domains?
Take for .e.g a data center utilizing 35% of CPU for a particular server;
And, enter Xen: and you have installed 2 instead of one server running on the same h/w w/ the hope of increasing utilization.
So, instead of 35%, one is expected to see 35%+x afa utilization (is this true?)
It does not matter what base-line or metrics one is presented with (I'm happy w/ the top presentation); as long as it is clear and easy to explain to a 'CIO, CFO or VP-finance or an unsuspecting fellow-worker' - if you know what I mean, I'll look forward to some documentation or an explanation to this regard. Thx in advance.
--
On 7/1/06, pv <vishnubhatt@xxxxxxxxx> wrote:
I'm compiling some tarballs in both the guest domains below (fedora1 and fedora2), they're quite compute/cpu intensive, when I do a xm top, I get the following, can someone tell me what does it mean to have CPU at 98.6%
on one guest domain while 84.9% in the other when the host/domain-0 is at 3.2%? Thx in advance.
--
xentop - 20:38:02 Xen 3.0-unstable
3 domains: 2 running, 0 blocked, 0 paused, 0 crashed, 0 dying, 0 shutdown
Mem: 1038488k total, 1028408k used, 10080k free CPUs: 2 @ 3391MHz
NAME STATE CPU(sec) CPU(%) MEM(k) MEM(%) MAXMEM(k) MAXMEM(%) VCPUS NETS NETTX(k) NETRX(k) SSID
Domain-0 -----r 41 3.2 131100 12.6 no limit n/a 2 8 879 378 0
fedora1 ------ 91 98.6 437652 42.1 442368 42.6 1 2 8 34 0
fedora2 -----r 60 84.9 437564 42.1 442368 42.6 1 2 7 36 0
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