Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1751348AbWECSPE (ORCPT ); Wed, 3 May 2006 14:15:04 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1751350AbWECSPE (ORCPT ); Wed, 3 May 2006 14:15:04 -0400 Received: from nf-out-0910.google.com ([64.233.182.186]:61468 "EHLO nf-out-0910.google.com") by vger.kernel.org with ESMTP id S1751348AbWECSPC convert rfc822-to-8bit (ORCPT ); Wed, 3 May 2006 14:15:02 -0400 DomainKey-Signature: a=rsa-sha1; q=dns; c=nofws; s=beta; d=gmail.com; h=received:date:from:to:cc:subject:message-id:in-reply-to:references:x-mailer:mime-version:content-type:content-transfer-encoding; b=G8xTRZDa9wxbWErWfmQZHXiARNRWhl4m0sIUHZmSGg59Bh0d982Mk8gWEGeKcxMV+D+5veWaXUqqR4bcK+w0Zc6y/CJihXDWZLzTqxEA2G/oxmfZzr65IFmPuupj77t1I4CRLQfgFXwDuLk+eB1dgjEX2BK73b2BbNRiIQgDyPU= Date: Wed, 3 May 2006 20:14:13 +0200 From: Diego Calleja To: Wu Fengguang Cc: linux-kernel@vger.kernel.org, torvalds@osdl.org, akpm@osdl.org, axboe@suse.de, nickpiggin@yahoo.com.au, pbadari@us.ibm.com, arjan@infradead.org Subject: Re: [RFC] kernel facilities for cache prefetching Message-Id: <20060503201413.34955426.diegocg@gmail.com> In-Reply-To: <346638681.24899@ustc.edu.cn> References: <346556235.24875@ustc.edu.cn> <20060502144641.62df9c18.diegocg@gmail.com> <346580906.19175@ustc.edu.cn> <20060502180753.096f8777.diegocg@gmail.com> <346638681.24899@ustc.edu.cn> X-Mailer: Sylpheed version 2.2.4 (GTK+ 2.8.16; i486-pc-linux-gnu) Mime-Version: 1.0 Content-Type: text/plain; charset=ISO-8859-15 Content-Transfer-Encoding: 8BIT Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1077 Lines: 23 El Wed, 3 May 2006 14:45:03 +0800, Wu Fengguang escribi?: > Lubos Lunak also reminds me of SUSE's preload > (http://en.opensuse.org/index.php?title=SUPER_preloading_internals) > which is a user-land solution using strace to collect the info. > > And there's Andrea Arcangeli's "bootcache userspace logging" kernel > patch(http://lkml.org/lkml/2004/8/6/216). Just for completeness, windows vista will include a enhanced prefetcher called (sic) SuperFetch. The idea behind it seems to be to analyze I/O patterns and then "mirror" the most frequently used disk blocks into the USB flash drive; so if when the usb flash drive is plugged in the system will read those blocks from it as it was the hard drive the next time you run the app (http://www.windowsitpro.com/Windows/Article/ArticleID/48085/48085.html) - 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/