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[Xen-users] Changing (soft) VCPU affinity while VM is running

  • To: xen-users@xxxxxxxxxxxxx
  • From: Dimosthenis Pediaditakis <dimosthenes@xxxxxxxxx>
  • Date: Wed, 11 Mar 2015 12:32:49 +0000
  • Delivery-date: Wed, 11 Mar 2015 12:33:58 +0000
  • List-id: Xen user discussion <xen-users.lists.xen.org>

Is is possible to change the affinity of a VM's VCPU(s) while it is running ?

I am interested both in traditional (hard) affinity and the more recent "soft-affinity".

Using "VCPUs-params:mask=....." via the "xe" toolstack seems to have no effect while a VM is running.Â
The VCPU relocates to the new PCPU only after power-cycling the VM.

Thank you
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