From mboxrd@z Thu Jan 1 00:00:00 1970 Date: Thu, 25 Jul 2002 06:15:52 +0100 From: John Levon Subject: Re: page_add/remove_rmap costs Message-ID: <20020725051552.GA48429@compsoc.man.ac.uk> References: <3D3E4A30.8A108B45@zip.com.au> <20020725045040.GD2907@holomorphy.com> <3D3F893D.4074CDE5@zip.com.au> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <3D3F893D.4074CDE5@zip.com.au> Sender: owner-linux-mm@kvack.org Return-Path: To: Andrew Morton Cc: William Lee Irwin III , "linux-mm@kvack.org" List-ID: On Wed, Jul 24, 2002 at 10:14:37PM -0700, Andrew Morton wrote: > > c0135667 1095488 16.8865 .text.lock.page_alloc /boot/vmlinux-2.5.28-3 > > zone->lock? I wrote a patch some time ago to remove all this guesswork on lock call sites : http://marc.theaimsgroup.com/?l=linux-kernel&m=101586797421268&w=2 It seemed to work quite well with my limited testing on my 2-way ... (pity it macrofies stuff) > > c0112a84 213189 3.28622 load_balance /boot/vmlinux-2.5.28-3 > > I thought you'd disabled this? Maybe wli used "op_session", and this was from a previous run. oprofile < 0.3 had a bug where the vmlinux samples file wasn't moved. regards john -- "Hungarian notation is the tactical nuclear weapon of source code obfuscation techniques." - Roedy Green -- To unsubscribe, send a message with 'unsubscribe linux-mm' in the body to majordomo@kvack.org. For more info on Linux MM, see: http://www.linux-mm.org/