From mboxrd@z Thu Jan 1 00:00:00 1970 From: "Jan Beulich" Subject: Re: [xen-4.4-testing test] 25979: regressions - FAIL Date: Fri, 02 May 2014 10:38:05 +0100 Message-ID: <5363839D020000780000E60F@mail.emea.novell.com> References: <535A646C020000780000C461@nat28.tlf.novell.com> <1398426383.18537.432.camel@kazak.uk.xensource.com> <535A6EDF020000780000C4DB@nat28.tlf.novell.com> <21345.4724.771223.556928@mariner.uk.xensource.com> <1398932793.5166.24.camel@kazak.uk.xensource.com> Mime-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Return-path: Received: from mail6.bemta3.messagelabs.com ([195.245.230.39]) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1Wg9ux-0003F0-RE for xen-devel@lists.xenproject.org; Fri, 02 May 2014 09:38:07 +0000 In-Reply-To: <1398932793.5166.24.camel@kazak.uk.xensource.com> Content-Disposition: inline List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Sender: xen-devel-bounces@lists.xen.org Errors-To: xen-devel-bounces@lists.xen.org To: Aravind Gopalakrishnan , suravee.suthikulpanit@amd.com, Boris Ostrovsky Cc: xen-devel , Ian Jackson , Ian Campbell List-Id: xen-devel@lists.xenproject.org >>> On 01.05.14 at 10:26, wrote: > On Wed, 2014-04-30 at 16:10 +0100, Ian Jackson wrote: >> Jan Beulich writes ("Re: [Xen-devel] [xen-4.4-testing test] 25979: > regressions - FAIL"): >> > On 25.04.14 at 13:46, wrote: >> > > How long did the fourth boot take in 25794 I wonder? >> > >> > 6247s (ran on lace-bug) >> >> See my other email. I think this is host-specific. lace-bug is an >> AMD machine. >> >> I think perhaps this is a performance problem with SVM. > > I don't think this is a new thing. I've heard speculation that this may > have been the case since the page-sharing p2m locking changes way back > in 4.2. > > I've lost track of who at AMD I should be CCing with this mail -- Jan, I > guess you know? SVM maintainers - can one of you please take looking into this as an action item? Thanks, Jan