On Wed, Jan 11, 2017 at 11:13:52AM -0600, BharaniKumar Gedela wrote: I can't wrap my head around it, but do you mean something like this: | pCPUs | 0 | 1 | 2 | 3 | |---------------+---+---+---+---| | VM #0's vCPUs | 0 | 1 | 2 | | | VM #1's vCPUs | | 0 | 1 | | where VM #0 uses pCPU 0 exclusively and both VMs share pCPUs 1 and 2? You can do that using vcpupin [1]. Do you want them to share the pCPUs fairly? You could theoretically utilize shares/period/quota for that, making sure that the rest of the system is set up properly as well. [1] https://libvirt.org/formatdomain.html#elementsCPUTuning