Use the Hyper-V Counters for CPU Measurementhttp://blogs.technet.com/clint_huffman/archive/2008/10/13/use-the-hyper-v-counters-for-cpu-measurement.aspxAs a reminder to everyone, use the perf counter “\Hyper-V Hypervisor Logical Processor(_Total)\% Total Run Time” to measure CPU in a Hyper-V environment. If you are trying to measure CPU utilization in a Hyper-V environment and are a bit frustrateden-USCommunityServer 2.1 SP1 (Build: 61025.2)