[Date Prev][Date Next]   [Thread Prev][Thread Next]   [Thread Index] [Date Index] [Author Index]

Re: [libvirt] [PATCH RESEND RFC v4 1/6] Introduce the function virCgroupForVcpu



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.

--
Eric Blake   eblake redhat com    +1-801-349-2682
Libvirt virtualization library http://libvirt.org


[Date Prev][Date Next]   [Thread Prev][Thread Next]   [Thread Index] [Date Index] [Author Index]