On 07/21/2011 09:25 AM, Adam Litke wrote:
We need to remember to update the VM cgroup if we change the
number of vCPUs on a running guest of course
When can this happen? Does libvirt support cpu hotplug?
Libvirt - yes, via virDomainSetVcpusFlags and similar API. Hypervisors
- different story. Xen supports it, and at one point, qemu used to, but
the qemu implementation was so buggy that current qemu does not support
cpu hotplug.
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Eric Blake eblake@xxxxxxxxxx +1-801-349-2682
Libvirt virtualization library http://libvirt.org
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