From mboxrd@z Thu Jan 1 00:00:00 1970 From: Ian Campbell Subject: Re: [xen-4.4-testing test] 25979: regressions - FAIL Date: Thu, 1 May 2014 09:26:33 +0100 Message-ID: <1398932793.5166.24.camel@kazak.uk.xensource.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> Mime-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Return-path: Received: from mail6.bemta4.messagelabs.com ([85.158.143.247]) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1WfmKD-0005Qp-Vs for xen-devel@lists.xenproject.org; Thu, 01 May 2014 08:26:38 +0000 In-Reply-To: <21345.4724.771223.556928@mariner.uk.xensource.com> List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Sender: xen-devel-bounces@lists.xen.org Errors-To: xen-devel-bounces@lists.xen.org To: Ian Jackson Cc: xen-devel , Jan Beulich List-Id: xen-devel@lists.xenproject.org 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? Ian.