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xen-users
Re: [Xen-users] Configuring CPUs on domU
Hi Mats,
I guess that means we can specify the number of virtual CPUs
we want on our guest VM (through the 'vcpus' field in the config file)
and also the physical CPUs (through the 'cpus' field) we want to use for
our guest VM. But we can not specify any type of binding of a virtual
CPU with one or more physical CPUs in the config file.
Please correct me if I am wrong !!
Thanks,
Sachin.
Petersson, Mats wrote:
-----Original Message-----
From: xen-users-bounces@xxxxxxxxxxxxxxxxxxx
[mailto:xen-users-bounces@xxxxxxxxxxxxxxxxxxx] On Behalf Of
sachin goel
Sent: 11 May 2007 10:31
To: xen-users@xxxxxxxxxxxxxxxxxxx
Subject: [Xen-users] Configuring CPUs on domU
Hi,
I have a server with four CPUs. I need to create a domU
on it with
two virtual CPUs. I want to map the virtual CPUs like this :
First VCPU -- first and second Physical CPU
Second VCPU -- third and fourth Physical CPU.
You can do that manually after you've started the Domain, but you can't
do it in the configuration script for the domain. Use "xm vcpu-pin
<domain> <vcpu> <pcpu(s)>", so for example:
# xm vcpu-pin vm1 0 0-1
# xm vcpu-pin vm1 1 2-3
This will do what you describe above.
--
Mats
I need to know if that can be done for a xen domU and if
yes, how
shud I specify that setting in the config file of the domU.
Any help will be much appreciated.
Thanks,
Sachin.
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