MSR consistency test suite:

( MSR 0x39 consistent ) FAIL
( MSR 0x14e consistent ) FAIL
( MSR 0x1dd consistent ) FAIL
( MSR 0x415 consistent ) FAIL

Summary: 4851 passed, 4 failed...

Detect SMI frequency and latency:

Starting pass 1. Calibrating the TSC.
Starting pass 2. Wait here, i will be back in 15 seconds
0 < t <= 1us; average = 70ns; count = 211623293
Times between first few observations: 126ns 105ns 66ns 66ns 63ns
100us < t <= 1ms; average = 598us; count = 57
Times between first few observations: 256ms 513ms 256ms 256ms 256ms
1ms < t <= 10ms; average = 1866us; count = 1
Times between first few observations:
Summary of impact: observed maximum latency = 1866us
risk of OS timeouts exists with this obsrved latency ( ideal < 150us ).

Test round-trip latency via MWAIT

elapsed time = 96ms with 682 iterations/ms