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RE: [Xen-users] Performance issues


  • To: Stephan Austermühle <au@xxxxxxx>, <xen-users@xxxxxxxxxxxxxxxxxxx>
  • From: "Zhao, Yunfeng" <yunfeng.zhao@xxxxxxxxx>
  • Date: Wed, 12 Apr 2006 15:02:21 +0800
  • Delivery-date: Wed, 12 Apr 2006 00:05:24 -0700
  • List-id: Xen user discussion <xen-users.lists.xensource.com>
  • Thread-index: AcZd/JXu3G46Je0UTxWhl2ToB9AHxAAAJkfQ
  • Thread-topic: [Xen-users] Performance issues

>-----Original Message-----
>From: xen-users-bounces@xxxxxxxxxxxxxxxxxxx
>[mailto:xen-users-bounces@xxxxxxxxxxxxxxxxxxx] On Behalf Of Stephan
>Austermühle
>Sent: 2006年4月12日 14:44
>To: xen-users@xxxxxxxxxxxxxxxxxxx
>Subject: RE: [Xen-users] Performance issues
>
>Hi Yunfeng!
>
>> How many lps are in your machine?
>
>What do you mean with 'lps'?
Logical CPUs :)
To make sure the test config is fair to both native and xenu.
You should make sure the native and xenu are using the same number of LPs.
For example:
If native linux has 4 LPs, you should enable "vcpus=4" in the config file.

Another factor may impact the performance testing is the service processes.
It would be better to disable most unnecessary services in xenu, domain0 and 
native linux.

Thanks
Yunfeng

>Stephan
>
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