From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S266622AbUHSQWf (ORCPT ); Thu, 19 Aug 2004 12:22:35 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S266657AbUHSQWf (ORCPT ); Thu, 19 Aug 2004 12:22:35 -0400 Received: from holomorphy.com ([207.189.100.168]:28353 "EHLO holomorphy.com") by vger.kernel.org with ESMTP id S266622AbUHSQWd (ORCPT ); Thu, 19 Aug 2004 12:22:33 -0400 Date: Thu, 19 Aug 2004 09:22:31 -0700 From: William Lee Irwin III To: Jesse Barnes Cc: linux-kernel@vger.kernel.org Subject: Re: kernbench on 512p Message-ID: <20040819162231.GS11200@holomorphy.com> Mail-Followup-To: William Lee Irwin III , Jesse Barnes , linux-kernel@vger.kernel.org References: <200408191216.33667.jbarnes@engr.sgi.com> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <200408191216.33667.jbarnes@engr.sgi.com> User-Agent: Mutt/1.5.6+20040722i Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org On Thu, Aug 19, 2004 at 12:16:33PM -0400, Jesse Barnes wrote: > Here's the kernel profile. It would be nice if the patch to show which lock > is contended got included. I think it was discussed awhile back, but I don't > have one against the newly merged profiling code. > [root@ascender root]# readprofile -m System.map | sort -nr | head -30 > 208218076 total 30.1677 > 90036167 ia64_pal_call_static 468938.3698 > 88140492 default_idle 229532.5312 > 10312592 ia64_save_scratch_fpregs 161134.2500 > 10306777 ia64_load_scratch_fpregs 161043.3906 > 8723555 ia64_spinlock_contention 90870.3646 > 121385 rcu_check_quiescent_state 316.1068 > 40464 file_move 180.6429 > 32374 file_kill 144.5268 > 25316 atomic_dec_and_lock 98.8906 > 24814 clear_page 155.0875 > 17709 file_ra_state_init 110.6813 > 17603 clear_page_tables 13.4169 file_move()? file_kill()? I smell files_lock. -- wli