[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index] Re: [Xen-devel] Question about vcpu_avail
On 11/24/2009 04:05 PM, Keir Fraser wrote: Right, so, you mean that I should implement it into `xm` command itself and not XenD ? Well, what about people using eg. libvirt with upstream Xen? This way it should not be working since XM is not used... right?On 24/11/2009 14:51, "Michal Novotny"<minovotn@xxxxxxxxxx> wrote:We already have a config option for that, called 'vcpus'. 'vcpu_avail' can then be used to limit the number of those which are brought online during initial boot. Any new config-file options can be sugar on top of those.Well, imagine scenario you need to allocate 4 vcpus to the guest but you need to use only 2 vcpus at startup. So you suggest having `vcpus` and `maxvcpus` options in the config file and allocating all the `maxvcpus` and setting number of `vcpus` by setting appropriate mask using `vcpu_avail` ?Yeah, I think you get it. In your example: if the user specifies maxvcpus=4, vcpus=2 then xm turns that into vcpus=4, vcpu_avail=3 before sending it to xend. -- Keir Thanks, -- Michal _______________________________________________ Xen-devel mailing list Xen-devel@xxxxxxxxxxxxxxxxxxx http://lists.xensource.com/xen-devel _______________________________________________ Xen-devel mailing list Xen-devel@xxxxxxxxxxxxxxxxxxx http://lists.xensource.com/xen-devel
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