libvirt/tests/cputestdata/x86_64-cpuid-Xeon-E7-4820-guest.xml

<cpu mode='custom' match='exact'>
  <model fallback='forbid'>Westmere</model>
  <vendor>Intel</vendor>
  <feature policy='require' name='vme'/>
  <feature policy='require' name='ds'/>
  <feature policy='require' name='acpi'/>
  <feature policy='require' name='ss'/>
  <feature policy='require' name='ht'/>
  <feature policy='require' name='tm'/>
  <feature policy='require' name='pbe'/>
  <feature policy='require' name='pclmuldq'/>
  <feature policy='require' name='dtes64'/>
  <feature policy='require' name='monitor'/>
  <feature policy='require' name='ds_cpl'/>
  <feature policy='require' name='vmx'/>
  <feature policy='require' name='smx'/>
  <feature policy='require' name='est'/>
  <feature policy='require' name='tm2'/>
  <feature policy='require' name='xtpr'/>
  <feature policy='require' name='pdcm'/>
  <feature policy='require' name='pcid'/>
  <feature policy='require' name='dca'/>
  <feature policy='require' name='x2apic'/>
  <feature policy='require' name='arat'/>
  <feature policy='require' name='pdpe1gb'/>
  <feature policy='require' name='rdtscp'/>
  <feature policy='require' name='invtsc'/>
</cpu>