Re: [PATCH 2/3] vmscan: make mapped executable pages the first class citizen
- From: Wu Fengguang <fengguang.wu@xxxxxxxxx>
- Date: Mon, 8 Jun 2009 20:46:43 +0800
On Mon, Jun 08, 2009 at 08:14:53PM +0800, Nai Xia wrote:
On Wed, May 20, 2009 at 11:38 PM, Wu Fengguang<fengguang.wu@xxxxxxxxx> wrote:
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"
You can easily do this in KDE 3.5 with dcop(Desktop Communications Protocol)\
$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
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