Re: [Xen-users] CPU Usage

[Bart Coninckx <bart.coninckx@xxxxxxxxxx>]

On Wednesday 25 May 2011 16:50:19 Jonathan Tripathy wrote:

> Hi Everyone,

>

> I have a dual core machine. In xentop, on a fully loaded machine, should

> the total cpu usage equal 200?

I hope not for your sake ;-) But as I understand it, this is then indeed the theoretical maximum. I have quad cores and seen in xentop values of 100+ % so, I think it is 100% per core.

> Also, I upgraded on of my Windows VMs to 2 vCPU, however windows still

> reports just 1. Is this because I need to install the GPLPV drivers?

If it's Windows 7:

http://answers.microsoft.com/en-us/windows/forum/windows_7-hardware/howto-get-windows-7-to-detect-your-new-multi-core/71519d51-f6cb-47df-b3ff-66c2928d6de4

otherwise I would check ACPI settings.

> Thanks

B.

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