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xen-users
RE: [Xen-users] HVM Cpu performance 3.2
Yes thats correct.
The windows dom Us are using between 30-80% usage in xm top and the host
itself is running slow.
Ill have a look at your recommend searches
Thanks for your help
Ian
-----Original Message-----
From: xen-users-bounces@xxxxxxxxxxxxxxxxxxx
[mailto:xen-users-bounces@xxxxxxxxxxxxxxxxxxx] On Behalf Of Oliver
Wilcock
Sent: 09 December 2008 13:24
To: xen-users@xxxxxxxxxxxxxxxxxxx
Subject: Re: [Xen-users] HVM Cpu performance 3.2
> Date: Tue, 9 Dec 2008 12:15:13 -0000
> From: "Ian Tobin" <itobin@xxxxxxxxxxxxx>
> Subject: [Xen-users] HVM Cpu performance 3.2
> Hi,
> It seems after upgrading to this release the cpu consumption has
> increased quite considerably.
> The server is an AMD 2.6 Dual Core.
> If you set the HVM config to use 1 vcpu instead of 2 the performance
> increases a lot which is quite strange.
> Anyone else had this problem? It was working fine on 3.0.4
> Thanks
> Ian
Do you mean that a Windows HVM consumes a lot of CPU according to xm
top?
If so you may have my problem - search for ACPI APIC and Windows HAL
issues in relation to performance of Windows HVM.
I haven't use Xen earlier than 3.2 (SLES10 sp2) so I can't comment on an
increase or comparison to Xen 3.0.2.
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