libvirt/tests/cputestdata/x86_64-cpuid-EPYC-7601-32-Core-ibpb-guest.xml

<cpu mode='custom' match='exact'>
  <model fallback='forbid'>EPYC-IBPB</model>
  <vendor>AMD</vendor>
  <feature policy='require' name='ht'/>
  <feature policy='require' name='osxsave'/>
  <feature policy='require' name='xsaves'/>
  <feature policy='require' name='cmp_legacy'/>
  <feature policy='require' name='extapic'/>
  <feature policy='require' name='skinit'/>
  <feature policy='require' name='wdt'/>
  <feature policy='require' name='tce'/>
  <feature policy='require' name='topoext'/>
  <feature policy='require' name='perfctr_core'/>
  <feature policy='require' name='perfctr_nb'/>
  <feature policy='require' name='invtsc'/>
  <feature policy='disable' name='rdtscp'/>
</cpu>