From mboxrd@z Thu Jan 1 00:00:00 1970 From: Christoph Egger Subject: Re: [PATCH 04/18] Nested Virtualization: p2m cleanup Date: Fri, 23 Apr 2010 17:41:22 +0200 Message-ID: <201004231741.23174.Christoph.Egger@amd.com> References: <201004151429.36196.Christoph.Egger@amd.com> <201004201120.27066.Christoph.Egger@amd.com> <20100420092918.GM31304@whitby.uk.xensource.com> Mime-Version: 1.0 Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: 7bit Return-path: In-Reply-To: <20100420092918.GM31304@whitby.uk.xensource.com> Content-Disposition: inline List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Sender: xen-devel-bounces@lists.xensource.com Errors-To: xen-devel-bounces@lists.xensource.com To: Tim Deegan Cc: "xen-devel@lists.xensource.com" List-Id: xen-devel@lists.xenproject.org On Tuesday 20 April 2010 11:29:18 Tim Deegan wrote: > At 10:20 +0100 on 20 Apr (1271758826), Christoph Egger wrote: > > On Tuesday 20 April 2010 11:12:32 Tim Deegan wrote: > > > At 08:41 +0100 on 20 Apr (1271752877), Christoph Egger wrote: > > > > On Friday 16 April 2010 12:45:35 Tim Deegan wrote: > > > > > Nacked pending performance eval. > > > > > > > > > > BTW, if perf turns out not be a problem, I welcome this with open > > > > > arms; always nice to see a patch that removes a lot of code. > > > > > > > > kernbench performance numbers on 64bit xen: > > > > > > Looking good. :) > > > > Yes. > > > > > What was the guest? > > > > SLES10SP3 > > 64bit, HVM? > > > > And what about 32bit Xen? > > > > I provide the numbers when I have them. The kernbench performance number on 32bit xen: w/o patch: Average Half load -j 3 Run (std deviation): Elapsed Time 499.244 (1.22218) User Time 618.294 (0.839184) System Time 932.474 (2.1815) Percent CPU 310 (0) Context Switches 71327.2 (624.386) Sleeps 42207.4 (236.626) Average Optimal load -j 16 Run (std deviation): Elapsed Time 438.332 (1.02721) User Time 636.393 (19.0873) System Time 963.355 (32.6052) Percent CPU 342.8 (34.5761) Context Switches 200392 (136051) Sleeps 47424.1 (5501.64) with patch: Average Half load -j 3 Run (std deviation): Elapsed Time 1047.51 (3.25506) User Time 895.362 (1.32624) System Time 2488.95 (10.9768) Percent CPU 322.6 (0.547723) Context Switches 91687.2 (970.45) Sleeps 42411.2 (199.601) Average Optimal load -j 16 Run (std deviation): Elapsed Time 1008.92 (2.60045) User Time 939.244 (46.2882) System Time 2688.56 (210.631) Percent CPU 352.9 (31.9424) Context Switches 306264 (226339) Sleeps 47920.2 (5814.98) The guest was SLES10SP3 32bit. Christoph -- ---to satisfy European Law for business letters: Advanced Micro Devices GmbH Karl-Hammerschmidt-Str. 34, 85609 Dornach b. Muenchen Geschaeftsfuehrer: Andrew Bowd, Thomas M. McCoy, Giuliano Meroni Sitz: Dornach, Gemeinde Aschheim, Landkreis Muenchen Registergericht Muenchen, HRB Nr. 43632