Also I am geting error in nova-compute.log :
2014-10-31 16:04:51.013 2251 ERROR nova.compute.monitors.virt.cpu_monitor [-] Not all properties needed are implemented in the compute driver:
2014-10-31 16:04:51.013 2251 TRACE nova.compute.monitors.virt.cpu_monitor Traceback (most recent call last):
2014-10-31 16:04:51.013 2251 TRACE nova.compute.monitors.virt.cpu_monitor File "/usr/lib/python2.7/dist-packages/nova/compute/monitors/virt/cpu_monitor.py", line 105, in _update_data
2014-10-31 16:04:51.013 2251 TRACE nova.compute.monitors.virt.cpu_monitor stats = self.driver.get_host_cpu_stats()
2014-10-31 16:04:51.013 2251 TRACE nova.compute.monitors.virt.cpu_monitor File "/usr/lib/python2.7/dist-packages/nova/virt/driver.py", line 1003, in get_host_cpu_stats
2014-10-31 16:04:51.013 2251 TRACE nova.compute.monitors.virt.cpu_monitor raise NotImplementedError()
2014-10-31 16:04:51.013 2251 TRACE nova.compute.monitors.virt.cpu_monitor NotImplementedError
2014-10-31 16:04:51.013 2251 TRACE nova.compute.monitors.virt.cpu_monitor
2014-10-31 16:04:51.014 2251 WARNING nova.compute.resource_tracker [-] Cannot get the metrics from <module 'nova.compute.monitors' from '/usr/lib/python2.7/dist-packages/nova/compute/monitors/__init__.pyc'>.