To check CPU for hvm enable
xm dmesg | grep -i hvm
To check CPU for hvm support
egrep '(vmx|svm)' --color=always /proc/cpuinfo
flags : fpu tsc msr pae cx8 apic mtrr cmov pat clflush acpi mmx fxsr sse
sse2 ss ht syscall nx lm constant_tsc ida pni vmx est ssse3 cx16 sse4_1
sse4_2 popcnt lahf_lm
