Re: [Xen-users] CPU pinning on Xen

[Ravi Giri <ravi.giri@xxxxxxxxx>]

On Wed, Apr 14, 2010 at 10:59 AM, Tapas Mishra <mightydreams@xxxxxxxxx> wrote:
> Hi,I have a Quad Core CPU Dell PowerEdge R710 which has 4 Virtual
> Hosts running on top of it.
> I want to allocate a CPU core to each of the hosts.How can I do that
> on Xen.I am using Debian Lenny.

I guess you mean 'pin' specific cores to specific VM's ?

Assuming the 4 VMs are vmA, vmB, vmC and vmD and that Core 0 is
allocated to Dom0

syntax (as provided in xm man page as well) is xm vcpu-pin <Domain>
<VCPU> <CPUs>

xm vcpu-pin vmA 0 1
xm vcpu-pin vmB 0 2
xm vcpu-pin vmC 0 3
xm vcpu-pin vmD 0 4

Hope this helps.

Regards,
--
Ravi

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