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xen-users
Re: [Xen-devel] CPU Utilization.
Preethi M wrote:
I have a basic question. I would like to know the best way to find out
the CPU utilization in Xen. For example if i have a setup with Dom 0
and Dom 1 and some partitions are exported to Dom 1. When i perform
IOs in Domain 1, since the actual disk device is under the control of
Domain 0, the backend driver will be responsible for the actual IO
operation completion. So it's obvious some amount of CPU will be
utilized in Domain 0. In this scenario, i would like to know what is
the best way to identify the consolidated CPU utilization both in
Domain 0 and Domian 1. Is there any tool available which does this?
Pree,
If you check back in the xen-devel archives, you'll find around late
August I sent out a package called xenmon, which provides fairly
fine-grained reporting of various metrics, including cpu utilization for
each domain, and cumulative data over 1 second and 10 seconds. This tool
can show some of what you are interested in. I am planning another
release of xenmon "real soon now" that incorporates some improvements
and bug fixes.
Rob Gardner
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