Monitoring Hyper-V Performance

http://blogs.msdn.com/tvoellm/archive/2009/04/23/monitoring-hyper-v-performance.aspx

Overall health:
Hyper-V Virtual Machine Health Summary
Hyper-V Hypervisor
Processor:
Processor
Hyper-V Hypervisor Logical Processor
Hyper-V Hypervisor Root Virtual Processor
Hyper-V Hypervisor Virtual Processor
Memory:
Memory
Hyper-V Hypervisor Partition
Hyper-V Root Partition
Hyper-V VM Vid Partition
Networking:
Network Interface
Hyper-V Virtual Switch
Hyper-V Legacy Network Adapter
Hyper-V Virtual Network Adapter
Storage:
Physical Disk
Hyper-V Virtual Storage Device
Hyper-V Virtual IDE Controller