Xen: How to check if Intel VT is enabled?

This method can be used to check if Intel VT is running in any Linux distribution including when you are running Xen.  Its easier than having to reboot, especially if the server is active!

cat /proc/cpuinfo

Check for the vmx flag, an example is as follows:

processor       : 7
vendor_id       : GenuineIntel
cpu family      : 6
model           : 23
model name      : Intel(R) Xeon(R) CPU           E5410  @ 2.33GHz
stepping        : 6
cpu MHz         : 2333.410
cache size      : 6144 KB
physical id     : 7
siblings        : 1
core id         : 0
cpu cores       : 1
fpu             : yes
fpu_exception   : yes
cpuid level     : 10
wp              : yes
flags           : fpu tsc msr pae mce cx8 apic mtrr mca cmov pat pse36 clflush d                                   ts acpi mmx fxsr sse sse2 ss ht tm syscall nx lm constant_tsc pni monitor ds_cpl                                    vmx est tm2 cx16 xtpr lahf_lm
bogomips        : 5836.28
clflush size    : 64
cache_alignment : 64
address sizes   : 38 bits physical, 48 bits virtual
power management:

Filed under: Uncategorized by — aaron @ 10:15 pm