Some customers want performance overview scheduled and mailed so i have to struggle deeper in perfManager.
A reduced and simple example how to get performance data from a VM with vCO you can find here:
http://mighty-virtualization.blogspot.com/2010/11/vco-get-performance-data-from-vm-build.html
Additional the code generate a graph based on the retrieved metrics for mailing purpose or what ever you want.
Special thanks to for pointing me the right way 
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Regards, Andreas Diemer
visit http://www.vcoteam.info &