Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1756063AbZFHPCw (ORCPT ); Mon, 8 Jun 2009 11:02:52 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1754285AbZFHPCp (ORCPT ); Mon, 8 Jun 2009 11:02:45 -0400 Received: from qw-out-2122.google.com ([74.125.92.25]:53897 "EHLO qw-out-2122.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753801AbZFHPCo convert rfc822-to-8bit (ORCPT ); Mon, 8 Jun 2009 11:02:44 -0400 DomainKey-Signature: a=rsa-sha1; c=nofws; d=gmail.com; s=gamma; h=mime-version:in-reply-to:references:date:message-id:subject:from:to :cc:content-type:content-transfer-encoding; b=o6+zQ1z9cfo/NROvhg6pUPKifkrbz+Oi6IFcVxISXSLu51x/+buVS7flCY2gVnrZo1 tQWcA3wuHjTX1sdrS1lmdXVEyd2UWv98OUC8L6XXdWll+peEyv66kEF33IAIOCwLNWkO jvy6mHTRk8XFaULk/54kynMCGH1FSVGMAnyOI= MIME-Version: 1.0 In-Reply-To: <20090608124643.GA8079@localhost> References: <20090519133422.4ECC.A69D9226@jp.fujitsu.com> <20090519062503.GA9580@localhost> <87pre4nhqf.fsf@basil.nowhere.org> <20090520143258.GA5706@localhost> <20090520144731.GB4753@basil.nowhere.org> <20090520145607.GA6281@localhost> <20090520153851.GA6572@localhost> <20090608124643.GA8079@localhost> Date: Mon, 8 Jun 2009 23:02:46 +0800 Message-ID: Subject: Re: [PATCH 2/3] vmscan: make mapped executable pages the first class citizen From: Nai Xia To: Wu Fengguang Cc: "gnome-list@gnome.org" , Andi Kleen , KOSAKI Motohiro , Christoph Lameter , Andrew Morton , LKML , Elladan , Nick Piggin , Johannes Weiner , Peter Zijlstra , Rik van Riel , "tytso@mit.edu" , "linux-mm@kvack.org" , "minchan.kim@gmail.com" , "xorg@lists.freedesktop.org" Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: 8BIT Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 2897 Lines: 73 On Mon, Jun 8, 2009 at 8:46 PM, Wu Fengguang wrote: > On Mon, Jun 08, 2009 at 08:14:53PM +0800, Nai Xia wrote: >> On Wed, May 20, 2009 at 11:38 PM, Wu Fengguang wrote: >> > Hi list, >> > >> > On Wed, May 20, 2009 at 10:56:07PM +0800, Wu Fengguang wrote: >> >> On Wed, May 20, 2009 at 10:47:31PM +0800, Andi Kleen wrote: >> >> > > > One scenario that might be useful to test is what happens when some >> >> > > > very large processes, all mapped and executable exceed memory and >> >> > > >> >> > > Good idea. Too bad I may have to install some bloated desktop in order >> >> > > to test this out ;) I guess the pgmajfault+pswpin numbers can serve as >> >> > > negative scores in that case? >> >> > >> >> > I would just generate a large C program with a script and compile >> >> > and run that. The program can be very dumb (e.g. only run >> >> > a gigantic loop), it just needs to be large. >> >> > >> >> > Just don't compile it with optimization, that can be quite slow. >> >> > >> >> > And use multiple functions, otherwise gcc might exceed your memory. >> >> >> >> >> >> Hehe, an arbitrary C program may not be persuasive..but I do have some >> >> bloated binaries at hand :-) >> >> >> >> -rwsr-sr-x 1 root wfg ? 36M 2009-04-22 17:21 Xorg >> >> lrwxrwxrwx 1 wfg ?wfg ? ? 4 2009-04-22 17:21 X -> Xorg >> >> -rwxr-xr-x 1 wfg ?wfg ? 39M 2009-04-22 17:21 Xvfb >> >> -rwxr-xr-x 1 wfg ?wfg ? 35M 2009-04-22 17:21 Xnest >> > >> > I would like to create a lot of windows in gnome, and to switch >> > between them. Any ideas on scripting/automating the "switch window" >> > actions? >> >> You can easily do this in KDE 3.5 with dcop(Desktop Communications Protocol)\ >> >> e.g. >> >> $dcop kchmviewer-17502 KCHMMainWindow raise >> >> will raise the window of my kchmviewer. > > Thank you, it's a good tip :) > > The alternative I found is wmctrl: > > Description: control an EWMH/NetWM compatible X Window Manager > ?Wmctrl is a command line tool to interact with an > ?EWMH/NetWM compatible X Window Manager (examples include > ?Enlightenment, icewm, kwin, metacity, and sawfish). > ?. > ?Wmctrl provides command line access to almost all the features > ?defined in the EWMH specification. For example it can maximize > ?windows, make them sticky, set them to be always on top. It can > ?switch and resize desktops and perform many other useful > ?operations. Cool, thanks for the information. :) BTW, may be you should make sure that 90% of the overhead when doing crazy window switches is NOT caused by a dumb graphics driver (e.g. the widely hated ATI official driver!). hehe > > Thanks, > Fengguang > -- 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/