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Re: [Xen-devel] Re: Poor performance on HVM (kernbench)

  • To: "Gianluca Guida" <gianluca.guida@xxxxxxxxxxxxx>
  • From: "Todd Deshane" <deshantm@xxxxxxxxx>
  • Date: Thu, 11 Sep 2008 15:54:58 -0400
  • Cc: Muli Ben-Yehuda <MULI@xxxxxxxxxx>, George Dunlap <dunlapg@xxxxxxxxx>, xen-devel mailing list <xen-devel@xxxxxxxxxxxxxxxxxxx>, Anthony Liguori <aliguori@xxxxxxxxxx>
  • Delivery-date: Thu, 11 Sep 2008 12:55:20 -0700
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  • List-id: Xen developer discussion <xen-devel.lists.xensource.com>
> I am running the test with shadow3 disabled now.
> I'll report the results when they come out.

So with shadow3 disabled, the kernbench time is much
more reasonable. Better than 3.2.1 even.

xen-unstable HVM guest

Average Optimal load -j 4 Run (std deviation):
Elapsed Time 737.144 (5.19414)
User Time 498.508 (2.52895)
System Time 235.056 (2.71348)
Percent CPU 99 (0)
Context Switches 133127 (823.517)
Sleeps 36295.4 (124.088)

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