Github user nvazquez commented on the issue:
https://github.com/apache/cloudstack/pull/1918
@jayakarteek @rafaelweingartner what about retrieving CPU performance
metric for usage using
[PerfomanceManager](https://pubs.vmware.com/vsphere-60/index.jsp#com.vmware.wssdk.apiref.doc/vim.PerformanceManager.html)?
It is already used in `VmwareResource.getVmStats` lines 5134-5185 to retrieve
vm network metrics. I think that similar as it is done for these metrics, we
must query for available metrics and look for [usage CPU
counter](https://pubs.vmware.com/vsphere-60/index.jsp?topic=%2Fcom.vmware.wssdk.apiref.doc%2Fcpu_counters.html)
which already comes as percentage for a given interval which would have to be
low. This way we don't have to calculate depending on limit flag. What do you
think about this approach?
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