libvirt/docs/testnode.xml

<node>
<!-- This file gives an example config for the mock 'test' backend 
     driver to libvirt. This is intended to allow relible unit testing
     of applications using libvirt. To use this with virsh, run something
     like:

      virsh -connect test:////path/to/this/dir/testnode.xml nodeinfo

     -->
  <domain file="testdomfv0.xml"/>
  <domain file="testdomfc4.xml"/>

  <cpu>
    <mhz>6000</mhz>
    <model>i986</model>
    <active>50</active>
    <nodes>4</nodes>
    <sockets>4</sockets>
    <cores>4</cores>
    <threads>2</threads>
  </cpu>
  <memory>8192000</memory>
</node>