From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S266481AbUHYXom (ORCPT ); Wed, 25 Aug 2004 19:44:42 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S266525AbUHYXol (ORCPT ); Wed, 25 Aug 2004 19:44:41 -0400 Received: from parcelfarce.linux.theplanet.co.uk ([195.92.249.252]:23444 "EHLO www.linux.org.uk") by vger.kernel.org with ESMTP id S266481AbUHYXnq (ORCPT ); Wed, 25 Aug 2004 19:43:46 -0400 Date: Thu, 26 Aug 2004 00:43:45 +0100 From: viro@parcelfarce.linux.theplanet.co.uk To: Paulo Marques Cc: Matt Mackall , linux-kernel@vger.kernel.org, bcasavan@sgi.com Subject: Re: [PATCH] kallsyms data size reduction / lookup speedup Message-ID: <20040825234345.GN21964@parcelfarce.linux.theplanet.co.uk> References: <1093406686.412c0fde79d4f@webmail.grupopie.com> <20040825173941.GJ5414@waste.org> <412CDE9D.3090609@grupopie.com> <20040825185854.GP31237@waste.org> <412CE3ED.5000803@grupopie.com> <20040825192922.GH21964@parcelfarce.linux.theplanet.co.uk> <412D236E.3030401@grupopie.com> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <412D236E.3030401@grupopie.com> User-Agent: Mutt/1.4.1i Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org On Thu, Aug 26, 2004 at 12:40:30AM +0100, Paulo Marques wrote: > That is why I kept a big *If* in that sentence. I'm quite new to all > this, and I'm still reading a lot of source code. > > If the culprit is in fact seq_file, and seq_file can be improved in a > way that works for everyone (not only kallsyms), then I also agree > that is is the way to go. But hunting this down might prove that the > problem is somewhere else. It is just too soon to draw conclusions. readprofile(1) ought to narrow it down with that kind of timing difference...