From mboxrd@z Thu Jan 1 00:00:00 1970 From: Juergen Gross Subject: Re: [PATCH 1 of 3 v5/leftover] libxl: enable automatic placement of guests on NUMA nodes Date: Fri, 20 Jul 2012 11:56:52 +0200 Message-ID: <50092B64.9010504@ts.fujitsu.com> References: <5fa66c8b9093399e5bc3.1342458792@Solace> <5007FBCE.6000201@amd.com> <1342707771.19530.235.camel@Solace> <1342772429.19530.247.camel@Solace> <5009161C.2060005@amd.com> <500918E8.3000708@ts.fujitsu.com> <1342777923.19530.277.camel@Solace> Mime-Version: 1.0 Content-Type: text/plain; charset="us-ascii"; Format="flowed" Content-Transfer-Encoding: 7bit Return-path: In-Reply-To: <1342777923.19530.277.camel@Solace> List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Sender: xen-devel-bounces@lists.xen.org Errors-To: xen-devel-bounces@lists.xen.org To: Dario Faggioli Cc: Andre Przywara , Ian Campbell , Stefano Stabellini , George Dunlap , Andrew Cooper , Ian Jackson , xen-devel List-Id: xen-devel@lists.xenproject.org Am 20.07.2012 11:52, schrieb Dario Faggioli: > On Fri, 2012-07-20 at 10:38 +0200, Juergen Gross wrote: >>> Right, that was my thinking on the ride to work also ;-) >>> What about this: 1P and 2P guests really use their vCPUs, but for bigger >>> guests we assume only a fractional usage? >> >> Hmm. I wouldn't be sure about this. I would guess there is a reason a guest has >> more than 1 vcpu. Normally this is because the guest needs more power. >> > Hehe, I agree with both! :-P > > Maybe it's better to avoid this kind of mangling for now, and just > consider all the vcpus. > > When we'll be tracking the actual load better, we'll see if it could be > worthwhile to do something along that line either. > > What do you think? Yep. Juergen -- Juergen Gross Principal Developer Operating Systems PDG ES&S SWE OS6 Telephone: +49 (0) 89 3222 2967 Fujitsu Technology Solutions e-mail: juergen.gross@ts.fujitsu.com Domagkstr. 28 Internet: ts.fujitsu.com D-80807 Muenchen Company details: ts.fujitsu.com/imprint.html