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[Xen-users] virt-manager vs xentop


To identify the suitable virtualization technology for a project, we were evaluating XEN against openVZ in terms of CPU usage for a networking application. The networking application indulges heavily in data transfer between the virtual nodes/containers/OS's inside a high end machine. While measuring the CPU usage of XEN, we see that the CPU usage indicated by the virt-manager tool and xentop are way different. In a four core machine, virt-manager indicates a cpu usage of 40% where as xentop 130%.

The domU's are configured with a virtual cpu value 1.
Xen version used was 3.4.2.


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