Re: [PATCH 2/3] vmscan: make mapped executable pages the first class citizen

[Nai Xia <nai xia gmail com>]

On Wed, May 20, 2009 at 11:38 PM, Wu Fengguang<fengguang wu intel com> 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.

>
> Thanks,
> Fengguang
>
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