libvirt/tests/cputestdata/x86_64-baseline-no-vendor.xml

<cpuTest>
<cpu>
  <arch>x86_64</arch>
  <model>Penryn</model>
  <topology sockets='2' cores='4' threads='1'/>
</cpu>
<cpu>
  <arch>x86_64</arch>
  <model>Opteron_G3</model>
  <topology sockets='1' cores='1' threads='1'/>
</cpu>
</cpuTest>