From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail203.messagelabs.com (mail203.messagelabs.com [216.82.254.243]) by kanga.kvack.org (Postfix) with SMTP id 7862A6B004D for ; Mon, 8 Jun 2009 09:43:16 -0400 (EDT) Received: by qyk29 with SMTP id 29so4797522qyk.12 for ; Mon, 08 Jun 2009 08:02:46 -0700 (PDT) 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 Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: quoted-printable Sender: owner-linux-mm@kvack.org 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" List-ID: 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 w= rote: >> > 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 a= nd >> >> > > >> >> > > 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 ser= ve 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 som= e >> >> bloated binaries at hand :-) >> >> >> >> -rwsr-sr-x 1 root wfg =A0 36M 2009-04-22 17:21 Xorg >> >> lrwxrwxrwx 1 wfg =A0wfg =A0 =A0 4 2009-04-22 17:21 X -> Xorg >> >> -rwxr-xr-x 1 wfg =A0wfg =A0 39M 2009-04-22 17:21 Xvfb >> >> -rwxr-xr-x 1 wfg =A0wfg =A0 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 Proto= col)\ >> >> 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 > =A0Wmctrl is a command line tool to interact with an > =A0EWMH/NetWM compatible X Window Manager (examples include > =A0Enlightenment, icewm, kwin, metacity, and sawfish). > =A0. > =A0Wmctrl provides command line access to almost all the features > =A0defined in the EWMH specification. For example it can maximize > =A0windows, make them sticky, set them to be always on top. It can > =A0switch and resize desktops and perform many other useful > =A0operations. 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, send a message with 'unsubscribe linux-mm' in the body to majordomo@kvack.org. For more info on Linux MM, see: http://www.linux-mm.org/ . Don't email: email@kvack.org