From mboxrd@z Thu Jan 1 00:00:00 1970 From: Juergen Gross Subject: Re: CAP and performance problem Date: Fri, 07 Jun 2013 06:45:49 +0200 Message-ID: <51B1657D.10807@ts.fujitsu.com> References: <519B3832.30608@di.unipmn.it> <1370451024.18519.190.camel@Solace> <1370452319.18519.197.camel@Solace> <51AF6FBD.9090007@di.unipmn.it> <1370507870.18519.224.camel@Solace> <51B04F0E.5040506@di.unipmn.it> <51B066CC.4060900@ts.fujitsu.com> <51B067F1.1010008@eu.citrix.com> <51B08606.9090105@di.unipmn.it> <51B08883.50003@ts.fujitsu.com> <51B094D1.9010806@di.unipmn.it> <1370527977.18519.275.camel@Solace> Mime-Version: 1.0 Content-Type: text/plain; charset="us-ascii"; Format="flowed" Content-Transfer-Encoding: 7bit Return-path: In-Reply-To: <1370527977.18519.275.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: George Dunlap , Massimo Canonico , xen-devel@lists.xen.org List-Id: xen-devel@lists.xenproject.org On 06.06.2013 16:12, Dario Faggioli wrote: > On gio, 2013-06-06 at 15:55 +0200, Massimo Canonico wrote: >> On 06/06/2013 03:02 PM, Juergen Gross wrote: >>> Could you try: >>> >>> xl vcpu-list; sleep 10; xl vcpu-list >>> >>> when the test is running and post the output? >>> >>> >>> Juergen >>> >> here we go: >> >> [root@csitest ~]# xl vcpu-list; sleep 10; xl vcpu-list >> Name ID VCPU CPU State Time(s) CPU >> Affinity >> Domain-0 0 0 0 --- 23.0 0 >> Domain-0 0 1 0 --- 10.5 0 >> Domain-0 0 2 0 --- 8.5 0 >> Domain-0 0 3 0 r-- 6.8 0 >> rubis-web 1 0 2 r-- 2968.5 2 >> Name ID VCPU CPU State Time(s) CPU >> Affinity >> Domain-0 0 0 0 --- 23.0 0 >> Domain-0 0 1 0 r-- 10.6 0 >> Domain-0 0 2 0 --- 8.5 0 >> Domain-0 0 3 0 --- 6.8 0 >> rubis-web 1 0 2 r-- 2973.5 2 >> > So, rubis-web's vcpu ran for 5 secs, which sounds right. I see why > Jurgen asked you to do that, but not how he plans to squeeze anything > more than that from these numbers... Waiting for him to enlighten us > again! ;-P Just for the records: I only wanted to be sure the problem isn't in the xen scheduler. And this seems to be proved by the numbers. Juergen -- Juergen Gross Principal Developer Operating Systems PBG 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