From: Wu Fengguang <fengguang.wu@intel.com>
To: Andi Kleen <andi@firstfloor.org>
Cc: KOSAKI Motohiro <kosaki.motohiro@jp.fujitsu.com>,
Christoph Lameter <cl@linux-foundation.org>,
Andrew Morton <akpm@linux-foundation.org>,
LKML <linux-kernel@vger.kernel.org>, Elladan <elladan@eskimo.com>,
Nick Piggin <npiggin@suse.de>,
Johannes Weiner <hannes@cmpxchg.org>,
Peter Zijlstra <peterz@infradead.org>,
Rik van Riel <riel@redhat.com>, "tytso@mit.edu" <tytso@mit.edu>,
"linux-mm@kvack.org" <linux-mm@kvack.org>,
"minchan.kim@gmail.com" <minchan.kim@gmail.com>
Subject: Re: [PATCH 2/3] vmscan: make mapped executable pages the first class citizen
Date: Wed, 20 May 2009 22:56:08 +0800 [thread overview]
Message-ID: <20090520145607.GA6281@localhost> (raw)
In-Reply-To: <20090520144731.GB4753@basil.nowhere.org>
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
next prev parent reply other threads:[~2009-05-20 14:57 UTC|newest]
Thread overview: 69+ messages / expand[flat|nested] mbox.gz Atom feed top
2009-05-16 9:00 [PATCH 0/3] make mapped executable pages the first class citizen Wu Fengguang
2009-05-16 9:00 ` [PATCH 1/3] vmscan: report vm_flags in page_referenced() Wu Fengguang
2009-05-16 13:17 ` Johannes Weiner
2009-05-16 13:37 ` Rik van Riel
2009-05-17 0:35 ` Minchan Kim
2009-05-17 1:36 ` Minchan Kim
2009-05-17 1:58 ` Wu Fengguang
2009-05-16 9:00 ` [PATCH 2/3] vmscan: make mapped executable pages the first class citizen Wu Fengguang
2009-05-16 9:28 ` Wu Fengguang
2009-05-16 13:20 ` Johannes Weiner
2009-05-17 0:38 ` Minchan Kim
2009-05-18 14:46 ` Christoph Lameter
2009-05-19 3:27 ` Wu Fengguang
2009-05-19 4:41 ` KOSAKI Motohiro
2009-05-19 4:44 ` KOSAKI Motohiro
2009-05-19 4:48 ` Wu Fengguang
2009-05-19 5:09 ` Wu Fengguang
2009-05-19 6:27 ` Wu Fengguang
2009-05-19 6:25 ` Wu Fengguang
2009-05-20 11:20 ` Andi Kleen
2009-05-20 14:32 ` Wu Fengguang
2009-05-20 14:47 ` Andi Kleen
2009-05-20 14:56 ` Wu Fengguang [this message]
2009-05-20 15:38 ` Wu Fengguang
2009-06-08 12:14 ` Nai Xia
2009-06-08 12:46 ` Wu Fengguang
2009-06-08 15:02 ` Nai Xia
2009-06-08 7:39 ` Wu Fengguang
2009-06-08 7:51 ` KOSAKI Motohiro
2009-06-08 7:56 ` Wu Fengguang
2009-06-08 17:18 ` Nai Xia
2009-06-09 6:44 ` Wu Fengguang
2009-05-19 7:15 ` Wu Fengguang
2009-05-19 7:20 ` KOSAKI Motohiro
2009-05-19 7:49 ` Wu Fengguang
2009-05-19 8:06 ` KOSAKI Motohiro
2009-05-19 8:53 ` Wu Fengguang
2009-05-19 12:28 ` KOSAKI Motohiro
2009-05-20 1:44 ` Wu Fengguang
2009-05-20 1:59 ` KOSAKI Motohiro
2009-05-20 2:31 ` Wu Fengguang
2009-05-20 2:58 ` KOSAKI Motohiro
2009-05-19 13:24 ` Rik van Riel
2009-05-19 15:55 ` KOSAKI Motohiro
2009-05-19 6:39 ` Pekka Enberg
2009-05-19 6:56 ` KOSAKI Motohiro
2009-05-19 7:44 ` Peter Zijlstra
2009-05-19 8:05 ` Pekka Enberg
2009-05-19 8:12 ` Wu Fengguang
2009-05-19 8:14 ` Pekka Enberg
2009-05-19 13:14 ` Rik van Riel
2009-05-16 9:00 ` [PATCH 3/3] vmscan: merge duplicate code in shrink_active_list() Wu Fengguang
2009-05-16 13:39 ` Johannes Weiner
2009-05-16 13:47 ` Wu Fengguang
2009-05-16 14:35 ` Rik van Riel
2009-05-17 1:24 ` Minchan Kim
2009-05-16 14:56 ` [PATCH 0/3] make mapped executable pages the first class citizen Peter Zijlstra
2009-06-17 21:11 ` Jesse Barnes
2009-06-17 21:37 ` Jesse Barnes
2009-06-18 1:25 ` Wu Fengguang
2009-06-18 16:33 ` Jesse Barnes
2009-06-19 9:00 ` Wu, Fengguang
2009-06-19 9:04 ` Peter Zijlstra
2009-06-19 9:32 ` Wu Fengguang
2009-06-19 16:43 ` Jesse Barnes
2009-07-04 1:27 ` Roger WANG
2009-07-06 17:38 ` Jesse Barnes
-- strict thread matches above, loose matches on Subject: below --
2009-05-17 2:23 Wu Fengguang
2009-05-17 2:23 ` [PATCH 2/3] vmscan: " Wu Fengguang
2009-05-19 8:59 ` Wu Fengguang
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