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When running TOP on our VPS the idle CPU usage number doesn't change. Is this a property of a VPS?

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As far as I know Idle CPU usage doesn't really count. It's resources aren't being spent, it's just as it says, idle. :-) I'm talking out from a linux perspective. Please correct me if I'm wrong.

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That is not the case with my virtual machines in OpenVZ. Do you know if this is OpenVZ, XEN, or something else?

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Not sure - where can I look to find this out? –  Susan Aug 8 '09 at 7:50

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