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RE: [Xen-devel] theoretical network rx performance of Windows with PV drivers


  • To: "Keir Fraser" <keir.fraser@xxxxxxxxxxxxx>, <xen-devel@xxxxxxxxxxxxxxxxxxx>
  • From: "James Harper" <james.harper@xxxxxxxxxxxxxxxx>
  • Date: Wed, 19 Nov 2008 22:33:02 +1100
  • Cc:
  • Delivery-date: Wed, 19 Nov 2008 03:33:26 -0800
  • List-id: Xen developer discussion <xen-devel.lists.xensource.com>
  • Thread-index: AclJdZaq6OGodxhGRNi3MA0h9mpWyQABil1rAC+QG1A=
  • Thread-topic: [Xen-devel] theoretical network rx performance of Windows with PV drivers

> 
> I don't think evtchn->IRQ latency is particularly large. But also I
don't
> know what else might be causing your erratic behaviour.
> 

I think I figured out what the problem was. I had dom0 with 1 vcpu, and
my testing DomU with 2 vcpu's, all on a machine which only had 2 core's.
I changed my DomU to 1 vcpu's and now it behaves itself. Is this the
expected behaviour?

Thanks

James

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