libvirt/tests/cputestdata/x86_64-cpuid-Xeon-E5-2650-guest.xml

<cpu mode='custom' match='exact'>
  <model fallback='forbid'>SandyBridge-IBRS</model>
  <vendor>Intel</vendor>
  <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='osxsave'/>
  <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='arat'/>
  <feature policy='require' name='stibp'/>
  <feature policy='require' name='flush-l1d'/>
  <feature policy='require' name='ssbd'/>
  <feature policy='require' name='xsaveopt'/>
  <feature policy='require' name='pdpe1gb'/>
  <feature policy='require' name='invtsc'/>
</cpu>