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[Xen-users] Re: xentop CPU Usage

  • To: xen-users@xxxxxxxxxxxxxxxxxxx
  • From: Kyrios <kyrios@xxxxxxxxx>
  • Date: Wed, 5 Sep 2007 13:53:21 +0200
  • Delivery-date: Wed, 05 Sep 2007 08:39:31 -0700
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  • List-id: Xen user discussion <xen-users.lists.xensource.com>

Hi again list,

does anyone know something about this topic?

We have 4 hosts with 8 CPU Cores each. We have some performance problems and don't know if it is a CPU Utilization problem. For example one of the hosts has (accumulated) 300% CPU usage in Xentop (xm top). Does this mean it's 3 times to much or does it mean it uses 300% of 800% available?


On 7/15/07, Kyrios <kyrios@xxxxxxxxx> wrote:
Hi list,

when xentop says cpu Usage für domU ist 20% what does that exactly mean on a multi cpu machine. Does it mean that one of the CPUs is used by 20% or does it mean the domU uses 20% off all available CPU time?


... black holes are where god divided by zero.

... black holes are where god divided by zero.
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