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openstack-vm-stats-collector are python scripts to get useful statistics (like disk, vcpu, stats, etc...) out of running VMs. The data will be output in a JSON format.
Run git clone this repository.
Run VM on KVM with Openstack (if it is not running already) and then run the scripts under bin directory on KVM hosts.
Here is example.
$ python memory_stats.pyPython version is required at least Python 2.7 and libvirt Python bindings.