From: John Stoffel <stoffel@casc.com>
To: Tobias Ringstrom <tori@unhappy.mine.nu>
Cc: Mike Galbraith <mikeg@wen-online.de>,
Jonathan Morton <chromi@cyberspace.org>,
Shane Nay <shane@minirl.com>,
Marcelo Tosatti <marcelo@conectiva.com.br>,
"Dr S.M. Huen" <smh1008@cus.cam.ac.uk>,
Sean Hunter <sean@dev.sportingbet.com>,
Xavier Bestel <xavier.bestel@free.fr>,
lkml <linux-kernel@vger.kernel.org>, <linux-mm@kvack.org>
Subject: Re: VM Report was:Re: Break 2.4 VM in five easy steps
Date: Fri, 8 Jun 2001 11:51:15 -0400 [thread overview]
Message-ID: <15136.62579.588726.954053@gargle.gargle.HOWL> (raw)
In-Reply-To: <Pine.LNX.4.33.0106081532140.2013-100000@boris.prodako.se>
In-Reply-To: <Pine.LNX.4.33.0106081440300.389-100000@mikeg.weiden.de> <Pine.LNX.4.33.0106081532140.2013-100000@boris.prodako.se>
>>>>> "Tobias" == Tobias Ringstrom <tori@unhappy.mine.nu> writes:
Tobias> On Fri, 8 Jun 2001, Mike Galbraith wrote:
>> I gave this a shot at my favorite vm beater test (make -j30 bzImage)
>> while testing some other stuff today.
Tobias> Could you please explain what is good about this test? I
Tobias> understand that it will stress the VM, but will it do so in a
Tobias> realistic and relevant way?
I agree, this isn't really a good test case. I'd rather see what
happens when you fire up a gimp session to edit an image which is
*almost* the size of RAM, or even just 50% the size of ram. Then how
does that affect your other processes that are running at the same
time?
This testing could even be automated with the script-foo stuff to get
consistent results across runs, which is the prime requirement of any
sort of testing.
On another issue, in swap.c we have two defines for buffer_mem and
page_cache, but the first maxes out at 60%, while the cache maxes out
at 75%. Shouldn't they both be lower numbers? Or at least equally
sized?
I've set my page_cache maximum to be 60, I'll be trying to test it
over the weekend, but good weather will keep me outside doing other
stuff...
Thanks,
John
John Stoffel - Senior Unix Systems Administrator - Lucent Technologies
stoffel@lucent.com - http://www.lucent.com - 978-952-7548
next prev parent reply other threads:[~2001-06-08 15:56 UTC|newest]
Thread overview: 106+ messages / expand[flat|nested] mbox.gz Atom feed top
2001-06-05 22:19 Break 2.4 VM in five easy steps Derek Glidden
2001-06-05 23:38 ` Jeffrey W. Baker
2001-06-06 1:42 ` Russell Leighton
2001-06-06 7:14 ` Sean Hunter
2001-06-06 2:16 ` Andrew Morton
2001-06-06 3:19 ` Derek Glidden
2001-06-06 14:16 ` Disconnect
[not found] ` <3B1DEAC7.43DEFA1C@idb.hist.no>
2001-06-06 14:51 ` Derek Glidden
2001-06-06 21:34 ` Alan Cox
2001-06-09 8:07 ` Rik van Riel
2001-06-07 7:23 ` Helge Hafting
2001-06-07 16:56 ` Eric W. Biederman
2001-06-07 20:24 ` José Luis Domingo López
2001-06-06 4:03 ` Jeffrey W. Baker
2001-06-06 8:19 ` Xavier Bestel
2001-06-06 8:54 ` Sean Hunter
2001-06-06 9:57 ` Dr S.M. Huen
2001-06-06 10:06 ` DBs (ML)
2001-06-06 10:08 ` Vivek Dasmohapatra
2001-06-06 10:19 ` Lauri Tischler
2001-06-06 10:22 ` Sean Hunter
2001-06-06 10:48 ` Alexander Viro
2001-06-06 16:58 ` dean gaudet
2001-06-06 17:10 ` Remi Turk
2001-06-06 22:44 ` Kai Henningsen
2001-06-09 7:17 ` Rik van Riel
2001-06-06 16:47 ` dean gaudet
2001-06-06 17:17 ` Kurt Roeckx
2001-06-06 18:35 ` Dr S.M. Huen
2001-06-06 18:40 ` Mark Salisbury
2001-06-07 0:20 ` Mike A. Harris
2001-06-09 8:16 ` Rik van Riel
2001-06-09 8:57 ` Mike A. Harris
2001-06-07 21:31 ` Shane Nay
2001-06-07 20:00 ` Marcelo Tosatti
2001-06-07 21:55 ` Shane Nay
2001-06-07 20:29 ` Marcelo Tosatti
2001-06-07 23:29 ` VM Report was:Re: " Shane Nay
2001-06-08 1:18 ` Jonathan Morton
2001-06-08 12:50 ` Mike Galbraith
2001-06-08 14:19 ` Tobias Ringstrom
2001-06-08 16:51 ` Mike Galbraith
2001-06-08 19:09 ` Tobias Ringstrom
2001-06-09 4:36 ` Mike Galbraith
2001-06-08 15:51 ` John Stoffel [this message]
2001-06-08 17:01 ` Mike Galbraith
2001-06-09 3:34 ` Rik van Riel
2001-06-08 17:43 ` John Stoffel
2001-06-08 17:35 ` Marcelo Tosatti
2001-06-09 5:07 ` Mike Galbraith
2001-06-08 18:30 ` Mike Galbraith
2001-06-09 12:31 ` Zlatko Calusic
2001-06-08 20:58 ` John Stoffel
2001-06-08 20:04 ` Marcelo Tosatti
2001-06-08 23:44 ` Jonathan Morton
2001-06-09 2:36 ` Andrew Morton
2001-06-09 6:33 ` Mark Hahn
2001-06-09 3:43 ` Mike Galbraith
2001-06-09 4:05 ` Jonathan Morton
2001-06-09 5:09 ` Mike Galbraith
2001-06-06 10:04 ` Jonathan Morton
2001-06-06 11:16 ` Daniel Phillips
2001-06-06 13:58 ` Gerhard Mack
2001-06-08 4:56 ` C. Martins
2001-06-06 15:28 ` Richard Gooch
2001-06-06 15:42 ` Christian Bornträger
2001-06-06 15:57 ` Requirement: swap = RAM x 2.5 ?? Jeff Garzik
2001-06-06 18:42 ` Eric W. Biederman
2001-06-07 1:29 ` Jan Harkes
2001-06-06 16:12 ` Richard Gooch
2001-06-06 16:15 ` Jeff Garzik
2001-06-06 16:19 ` Richard Gooch
2001-06-06 16:53 ` Mike Galbraith
2001-06-06 17:05 ` Greg Hennessy
2001-06-06 17:14 ` Break 2.4 VM in five easy steps Ben Greear
2001-06-06 19:11 ` android
2001-06-07 0:27 ` Mike A. Harris
2001-06-06 9:16 ` Xavier Bestel
2001-06-06 9:25 ` Sean Hunter
2001-06-06 12:07 ` Jonathan Morton
2001-06-06 14:41 ` Derek Glidden
2001-06-06 20:29 ` José Luis Domingo López
2001-06-06 13:32 ` Eric W. Biederman
2001-06-06 14:41 ` Marc Heckmann
2001-06-06 14:51 ` Hugh Dickins
2001-06-06 7:47 ` Jonathan Morton
2001-06-06 13:08 ` Eric W. Biederman
2001-06-06 16:48 ` Jeffrey W. Baker
[not found] ` <m2lmn61ceb.fsf@sympatico.ca>
2001-06-06 14:37 ` Derek Glidden
2001-06-07 0:34 ` Mike A. Harris
2001-06-07 3:13 ` Miles Lane
2001-06-07 15:49 ` Derek Glidden
2001-06-07 19:06 ` Miles Lane
2001-06-09 5:57 ` Mike A. Harris
2001-06-06 18:59 ` Mike Galbraith
2001-06-06 19:39 ` Derek Glidden
2001-06-06 20:47 ` Linus Torvalds
2001-06-07 7:42 ` Eric W. Biederman
2001-06-07 8:11 ` Linus Torvalds
2001-06-07 8:54 ` Eric W. Biederman
2001-06-06 21:39 ` android
2001-06-06 22:08 ` Jonathan Morton
2001-06-06 22:27 ` android
2001-06-06 22:33 ` Antoine
2001-06-06 22:38 ` Robert Love
2001-06-06 22:40 ` Jonathan Morton
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