From: Ingo Molnar <mingo@elte.hu>
To: Tobias Gerschner <tobias.gerschner@gmail.com>
Cc: Miguel Figueiredo <elmig@debianpt.org>,
linux kernel mailing list <linux-kernel@vger.kernel.org>,
ck@vds.kolivas.org
Subject: Re: call for more SD versus CFS comparisons (was: Re: [ck] Mainline plans)
Date: Tue, 12 Jun 2007 10:36:20 +0200 [thread overview]
Message-ID: <20070612083620.GA10557@elte.hu> (raw)
In-Reply-To: <ea7e82ce0706120039n675a361emc214b2ecca964b75@mail.gmail.com>
* Tobias Gerschner <tobias.gerschner@gmail.com> wrote:
> I did run massive_intr.c for 60 secs with increasing nproc (
> 10,20,30,40,50,60) waiting for effects.
>
> Below a small table of the results
>
> 2.6.21.1-cfs-v16
>
> nproc , usability result
>
> 10 , serious frame drops , Firefox hardly recognizes clicked links,
> but still usable
> 20 - 30, usability loss ( somehow under cfs firefox never finished
> user requests like displaying web pages or opening new pages , no
> feedback anymore, sudden changes on the desktop )
ouch! The expected load-testing result under CFS should be something
like this:
http://bhhdoa.org.au/pipermail/ck/2007-June/007817.html
could you send me the output of /proc/sched_debug? (while say a
"massive_intr 20" is running?)
Roughly what hardware do you have? (could you send me your lspci -v
output and dmesg output?)
Ingo
next prev parent reply other threads:[~2007-06-12 8:36 UTC|newest]
Thread overview: 15+ messages / expand[flat|nested] mbox.gz Atom feed top
2007-06-12 0:30 call for more SD versus CFS comparisons (was: Re: [ck] Mainline plans) Miguel Figueiredo
2007-06-12 7:39 ` Tobias Gerschner
2007-06-12 8:36 ` Ingo Molnar [this message]
2007-06-12 8:51 ` Tobias Gerschner
2007-06-12 8:55 ` Ingo Molnar
2007-06-12 8:57 ` Ingo Molnar
2007-06-12 10:33 ` Con Kolivas
2007-06-12 10:40 ` Ingo Molnar
2007-06-12 14:04 ` Ingo Molnar
2007-06-12 16:52 ` Martin Steigerwald
2007-06-15 21:19 ` Miguel Figueiredo
2007-06-13 1:36 ` Fortier,Vincent [Montreal]
2007-06-13 1:54 ` Fortier,Vincent [Montreal]
2007-06-14 7:56 ` call for more SD versus CFS comparisons (was: " Jarek Poplawski
-- strict thread matches above, loose matches on Subject: below --
2007-06-14 10:10 call for more SD versus CFS comparisons (was: Re: [ck] " Tobias Gerschner
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=20070612083620.GA10557@elte.hu \
--to=mingo@elte.hu \
--cc=ck@vds.kolivas.org \
--cc=elmig@debianpt.org \
--cc=linux-kernel@vger.kernel.org \
--cc=tobias.gerschner@gmail.com \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox