From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S262194AbUEKHrC (ORCPT ); Tue, 11 May 2004 03:47:02 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S262190AbUEKHrC (ORCPT ); Tue, 11 May 2004 03:47:02 -0400 Received: from fw.osdl.org ([65.172.181.6]:5063 "EHLO mail.osdl.org") by vger.kernel.org with ESMTP id S261704AbUEKHrA (ORCPT ); Tue, 11 May 2004 03:47:00 -0400 Date: Tue, 11 May 2004 00:45:51 -0700 From: Andrew Morton To: Geoff Gustafson Cc: linux-kernel@vger.kernel.org Subject: Re: [RFC] [PATCH] Performance of del_timer_sync Message-Id: <20040511004551.7c7af44d.akpm@osdl.org> In-Reply-To: <409FFF3B.3090506@linux.intel.com> References: <409FFF3B.3090506@linux.intel.com> X-Mailer: Sylpheed version 0.9.7 (GTK+ 1.2.10; i386-redhat-linux-gnu) Mime-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Geoff Gustafson wrote: > > I started this patch based on profiling an enterprise database application > on a 32p IA64 NUMA machine, where del_timer_sync was one of the top few > functions taking CPU time in the kernel. Do you know where it's being called from?