The SDK would provide several values to fetch for clusters. Especially the fairness values would be interresting. Tried using vmware.hv.perfcounter but as i thought i haven't worked.

But even more important would be the vmop values. Also tried this, also hasn't worked.

https://www.vmware.com/support/developer/converter-sdk/conv60_apireference/vim.PerformanceManager.html

https://www.vmware.com/support/developer/converter-sdk/conv60_apireference/cluster_services_counters.html

https://www.vmware.com/support/developer/converter-sdk/conv60_apireference/vmop_counters.html