14.13.3. Configuring Virtual CPU Affinity

To configure the affinity of virtual CPUs with physical CPUs, refer to Example 14.3, “Pinning vCPU to a host physical machine's CPU”.

Example 14.3. Pinning vCPU to a host physical machine's CPU

The virsh vcpupin assigns a virtual CPU to a physical one.

virsh vcpupin rhel6

# virsh vcpupin rhel6
VCPU: CPU Affinity
----------------------------------
   0: 0-3
   1: 0-3

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The vcpupin can take the following options:

--vcpu requires the vcpu number
[--cpulist] >string< lists the host physical machine's CPU number(s) to set, or omit an optional query
--config affects next boot
--live affects the running domain
--current affects the current domain

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