Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S261807AbUAXTZ5 (ORCPT ); Sat, 24 Jan 2004 14:25:57 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S263015AbUAXTZ5 (ORCPT ); Sat, 24 Jan 2004 14:25:57 -0500 Received: from twilight.cs.hut.fi ([130.233.40.5]:55518 "EHLO twilight.cs.hut.fi") by vger.kernel.org with ESMTP id S261807AbUAXTZ4 (ORCPT ); Sat, 24 Jan 2004 14:25:56 -0500 Date: Sat, 24 Jan 2004 21:25:45 +0200 From: Ville Herva To: Arjan van de Ven Cc: Felix von Leitner , linux-kernel@vger.kernel.org Subject: Re: Request: I/O request recording Message-ID: <20040124192545.GW11115091@niksula.cs.hut.fi> Mail-Followup-To: Ville Herva , Arjan van de Ven , Felix von Leitner , linux-kernel@vger.kernel.org References: <20040124181026.GA22100@codeblau.de> <1074968776.4442.4.camel@laptop.fenrus.com> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <1074968776.4442.4.camel@laptop.fenrus.com> User-Agent: Mutt/1.4i Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 885 Lines: 24 On Sat, Jan 24, 2004 at 07:26:17PM +0100, you [Arjan van de Ven] wrote: > > I recently did something like this (and it scared me, it seems a typical > Fedora boot into gnome opens like 11.000 files ;) but via a printk in > the kernel.... > > I experimented with readahead'ing all that stuff while the initscripts > ran in the hope it would save time... but it doesn't somehow. Did you sort the sectors to be read, or just read the files into page cache in randomish order ? Or do you mean that even after all the files were read into cache, the X startup time didn't get any better (not counting the cache priming)? -- v -- v@iki.fi - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/