On 09/15/2011 11:50 PM, Bharata B Rao wrote:
Hi,
Is there a dependency b/n<vcpu> and<topology> ?
There should be, but isn't yet.
Is specifying<vcpu> mandatory for a SMP guest ?
No.
Can't I skip<vcpu> but have<topology sockets= cores= threads=> to
define a SMP guest ?
It should be possible, but isn't yet.
I see that if I skip<vcpu>, libvirt generates -smp 1 on qemu command
line which results in qemu booting a VM with single CPU irrespective
of the topology specified. Shouldn't libvirt arrive at correct CPU
count (vcpus=sockets*cores*threads ?) even if vcpu isn't specified
rather than defaulting to 1 ?
See also these bugs:
https://bugzilla.redhat.com/show_bug.cgi?id=725269
https://bugzilla.redhat.com/show_bug.cgi?id=725271
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Eric Blake [email protected] +1-801-349-2682
Libvirt virtualization library http://libvirt.org
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