root@neutrino:~# cat cpucaps.xml
<cpu match='exact'>
	<arch>x86_64</arch>
	<model fallback='allow'>core2duo</model>
	<vendor>Intel</vendor>
	<topology sockets='2' cores='1' threads='1'/>
	<feature policy='enable' name='de'/>
	<feature policy='enable' name='tsc'/>
	<feature policy='enable' name='msr'/>
	<feature policy='enable' name='pae'/>
	<feature policy='enable' name='mce'/>
	<feature policy='enable' name='cx8'/>
	<feature policy='enable' name='acpi'/>
	<feature policy='enable' name='sep'/>
	<feature policy='enable' name='mtrr'/>
	<feature policy='enable' name='mca'/>
	<feature policy='enable' name='cmov'/>
	<feature policy='enable' name='pat'/>
	<feature policy='enable' name='cflush'/>
	<feature policy='enable' name='mmx'/>
	<feature policy='enable' name='ss3'/>
	<feature policy='enable' name='sse2'/>
	<feature policy='enable' name='ss'/>
	<feature policy='enable' name='ht'/>
	<feature policy='enable' name='syscall'/>
	<feature policy='enable' name='nx'/>
	<feature policy='enable' name='lm'/>
	<feature policy='enable' name='lahf_lm'/>
</cpu>
root@neutrino:~# virsh cpu-compare cpucaps.xml
error: Failed to compare host CPU with cpucaps.xml
error: this function is not supported by the connection driver: virConnectCompareCPU

root@neutrino:~#