From: Paolo Ornati <ornati@fastwebnet.it>
To: Peter Williams <pwil3058@bigpond.net.au>
Cc: Linux Kernel Mailing List <linux-kernel@vger.kernel.org>,
Chris Han <xiphux@gmail.com>, Con Kolivas <kernel@kolivas.org>,
William Lee Irwin III <wli@holomorphy.com>,
Jake Moilanen <moilanen@austin.ibm.com>
Subject: Re: [ANNOUNCE][RFC] PlugSched-6.2 for 2.6.16-rc1 and 2.6.16-rc1-mm1
Date: Thu, 26 Jan 2006 09:11:29 +0100 [thread overview]
Message-ID: <20060126091129.53de58fa@localhost> (raw)
In-Reply-To: <43D82161.6000809@bigpond.net.au>
On Thu, 26 Jan 2006 12:09:53 +1100
Peter Williams <pwil3058@bigpond.net.au> wrote:
> I know that I've said this before but I've found the problem.
> Embarrassingly, it was a basic book keeping error (recently introduced
> and equivalent to getting nr_running wrong for each CPU) in the
> gathering of the statistics that I use. :-(
>
> The attached patch (applied on top of the PlugSched patch) should fix
> things. Could you test it please?
Ok, this one make a difference:
(transcode)
PID USER PR NI VIRT RES SHR S %CPU %MEM TIME+ COMMAND
5774 paolo 34 0 116m 18m 2432 R 86.2 3.7 0:11.65 transcode
5788 paolo 32 0 51000 4472 1872 S 7.5 0.9 0:01.13 tcdecode
5797 paolo 29 0 4948 1468 372 D 3.2 0.3 0:00.30 dd
5781 paolo 33 0 19844 1092 880 S 1.0 0.2 0:00.10 tcdemux
5783 paolo 31 0 47964 2496 1956 S 0.7 0.5 0:00.08 tcdecode
5786 paolo 34 0 19840 1088 880 R 0.5 0.2 0:00.06 tcdemux
(sched_fooler)
PID USER PR NI VIRT RES SHR S %CPU %MEM TIME+ COMMAND
5804 paolo 34 0 2396 292 228 R 35.7 0.1 0:12.84 a.out
5803 paolo 34 0 2392 288 228 R 30.5 0.1 0:11.49 a.out
5805 paolo 34 0 2392 288 228 R 30.2 0.1 0:10.70 a.out
5815 paolo 29 0 4948 1468 372 D 3.7 0.3 0:00.29 dd
5458 paolo 28 0 86656 21m 15m S 0.2 4.4 0:02.18 konsole
PID USER PR NI VIRT RES SHR S %CPU %MEM TIME+ COMMAND
5804 paolo 34 0 2396 292 228 R 36.5 0.1 0:38.19 a.out
5803 paolo 34 0 2392 288 228 R 30.5 0.1 0:34.27 a.out
5805 paolo 34 0 2392 288 228 R 29.2 0.1 0:32.39 a.out
5829 paolo 34 0 4952 1472 372 R 3.2 0.3 0:00.35 dd
DD_TEST + sched_fooler: 512 MB --- ~20s instead of 16.6s
This is a clear improvement... however I wonder why DD priority
fluctuate going up even to 34 (the range is something like 29 <--->
34).
--
Paolo Ornati
Linux 2.6.16-rc1-plugsched on x86_64
next prev parent reply other threads:[~2006-01-26 8:10 UTC|newest]
Thread overview: 20+ messages / expand[flat|nested] mbox.gz Atom feed top
2006-01-19 21:45 [ANNOUNCE][RFC] PlugSched-6.2 for 2.6.16-rc1 and 2.6.16-rc1-mm1 Peter Williams
2006-01-21 6:48 ` Peter Williams
2006-01-21 10:46 ` Paolo Ornati
2006-01-21 23:06 ` Peter Williams
2006-01-22 22:47 ` Peter Williams
2006-01-23 0:49 ` Peter Williams
2006-01-23 20:21 ` Paolo Ornati
2006-01-24 0:00 ` Peter Williams
2006-01-26 1:09 ` Peter Williams
2006-01-26 8:11 ` Paolo Ornati [this message]
2006-01-26 22:34 ` Peter Williams
2006-01-28 23:44 ` Peter Williams
2006-01-31 17:44 ` Paolo Ornati
2006-01-23 20:09 ` Paolo Ornati
2006-01-23 20:25 ` Lee Revell
2006-01-23 20:52 ` Paolo Ornati
2006-01-23 20:59 ` Lee Revell
2006-01-23 21:10 ` Paolo Ornati
2006-01-23 21:11 ` Lee Revell
2006-01-23 23:32 ` Peter Williams
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=20060126091129.53de58fa@localhost \
--to=ornati@fastwebnet.it \
--cc=kernel@kolivas.org \
--cc=linux-kernel@vger.kernel.org \
--cc=moilanen@austin.ibm.com \
--cc=pwil3058@bigpond.net.au \
--cc=wli@holomorphy.com \
--cc=xiphux@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 an external index of several public inboxes,
see mirroring instructions on how to clone and mirror
all data and code used by this external index.