From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S2992980AbXDDQEs (ORCPT ); Wed, 4 Apr 2007 12:04:48 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S2992984AbXDDQEs (ORCPT ); Wed, 4 Apr 2007 12:04:48 -0400 Received: from gw.goop.org ([64.81.55.164]:57991 "EHLO mail.goop.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S2992980AbXDDQEr (ORCPT ); Wed, 4 Apr 2007 12:04:47 -0400 Message-ID: <4613CC8E.7020202@goop.org> Date: Wed, 04 Apr 2007 09:04:30 -0700 From: Jeremy Fitzhardinge User-Agent: Thunderbird 1.5.0.10 (X11/20070302) MIME-Version: 1.0 To: Andi Kleen CC: Andrew Morton , virtualization@lists.osdl.org, lkml , Ingo Molnar Subject: Re: [patch 04/17] Add pagetable accessors to pack and unpack pagetable entries References: <20070402055652.610711908@goop.org> <200704041347.42822.ak@suse.de> <4613C828.2030604@goop.org> <200704041756.35016.ak@suse.de> In-Reply-To: <200704041756.35016.ak@suse.de> Content-Type: text/plain; charset=ISO-8859-15 Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Andi Kleen wrote: > I was talking about the patched case. It seemed to be a little slower > too, but in theory it shouldn't have been, no? Oh, the .25 vs .26? That's definitely noise; on other runs I see no difference: paravirt, patched, busy machine ezr Linux 2.6.21- 1000 0.25 0.52 31.3 34.4 12.7 1.02 5.44 743. 1578 4582 ezr Linux 2.6.21- 1000 0.25 0.53 31.4 34.2 12.1 1.02 5.27 736. 1594 4806 ezr Linux 2.6.21- 1000 0.25 0.52 31.5 34.4 14.3 1.02 5.49 736. 1587 4601 (I didn't use this result because I did it on a fairly busy machine, but the best-case numbers are actually somewhat better than the run on a completely quiet machine.) J