From: Ingo Molnar <mingo@elte.hu>
To: Jens Axboe <axboe@suse.de>
Cc: "Linus Torvalds" <torvalds@osdl.org>,
"Grant Coady" <grant_lkml@dodo.com.au>,
"Ondrej Zary" <linux@rainbow-software.org>,
"André Tomt" <andre@tomt.net>, "Al Boldi" <a1426z@gawab.com>,
"'Bartlomiej Zolnierkiewicz'" <bzolnier@gmail.com>,
linux-ide@vger.kernel.org, linux-kernel@vger.kernel.org
Subject: Re: [git patches] IDE update
Date: Fri, 8 Jul 2005 12:20:56 +0200 [thread overview]
Message-ID: <20050708102056.GA7172@elte.hu> (raw)
In-Reply-To: <20050708084817.GB7050@suse.de>
* Jens Axboe <axboe@suse.de> wrote:
> But! I used hdparm -t solely, 2.6 was always ~5% faster than 2.4. But
> using -Tt slowed down the hd speed by about 30%. So it looks like some
> scheduler interaction, perhaps the memory timing loops gets it marked
> as batch or something?
to check whether that could be the case, could you try:
nice -n -20 hdparm -t /dev/hdc
does that produce different results?
Ingo
next prev parent reply other threads:[~2005-07-08 10:21 UTC|newest]
Thread overview: 79+ messages / expand[flat|nested] mbox.gz Atom feed top
2005-07-03 16:52 [git patches] IDE update Bartlomiej Zolnierkiewicz
2005-07-04 12:01 ` Al Boldi
2005-07-04 12:01 ` Al Boldi
2005-07-04 12:30 ` Bartlomiej Zolnierkiewicz
2005-07-04 15:30 ` Al Boldi
2005-07-04 15:30 ` Al Boldi
2005-07-04 15:41 ` Bartlomiej Zolnierkiewicz
2005-07-04 17:06 ` Al Boldi
2005-07-04 17:06 ` Al Boldi
2005-07-04 17:38 ` Ondrej Zary
2005-07-04 19:51 ` Bartlomiej Zolnierkiewicz
2005-07-04 20:32 ` Al Boldi
2005-07-04 20:32 ` Al Boldi
2005-07-04 20:47 ` Bartlomiej Zolnierkiewicz
2005-07-04 23:25 ` André Tomt
2005-07-05 3:43 ` IOWAIT block layer problem Al Boldi
2005-07-05 3:43 ` Al Boldi
2005-07-05 10:01 ` [git patches] IDE update Ondrej Zary
2005-07-05 10:14 ` Jens Axboe
2005-07-05 10:19 ` Ondrej Zary
2005-07-05 10:42 ` Jens Axboe
2005-07-05 12:35 ` Ondrej Zary
2005-07-05 12:51 ` Jens Axboe
2005-07-05 13:02 ` Ondrej Zary
2005-07-05 13:11 ` Jens Axboe
2005-07-05 15:51 ` Ondrej Zary
2005-07-05 14:21 ` Jens Axboe
2005-07-05 15:00 ` Ondrej Zary
2005-07-05 19:18 ` Jens Axboe
2005-07-05 19:25 ` Jens Axboe
2005-07-05 21:36 ` Ondrej Zary
2005-07-05 17:27 ` Linus Torvalds
2005-07-05 19:14 ` Jens Axboe
2005-07-05 21:39 ` Ondrej Zary
2005-07-11 14:21 ` Alan Cox
2005-07-06 0:35 ` Grant Coady
2005-07-06 0:51 ` Linus Torvalds
2005-07-06 3:26 ` Al Boldi
2005-07-06 4:56 ` Grant Coady
2005-07-06 5:22 ` Linus Torvalds
2005-07-08 8:48 ` Jens Axboe
2005-07-08 9:24 ` Jens Axboe
2005-07-08 9:34 ` Andrew Morton
2005-07-08 9:53 ` Jens Axboe
2005-07-08 22:25 ` Steven Pratt
2005-07-09 5:40 ` Jens Axboe
2005-07-09 21:39 ` Al Boldi
2005-07-08 10:20 ` Ingo Molnar [this message]
2005-07-08 11:45 ` Jens Axboe
2005-07-07 22:32 ` Mark Lord
2005-07-08 0:06 ` Grant Coady
2005-07-08 11:37 ` Erik Slagter
2005-07-06 20:56 ` Bill Davidsen
2005-07-07 13:47 ` Ondrej Zary
2005-07-07 13:48 ` Bartlomiej Zolnierkiewicz
2005-07-07 19:34 ` Bill Davidsen
2005-07-05 2:47 ` Jeff Garzik
-- strict thread matches above, loose matches on Subject: below --
2005-08-18 21:37 [git patches] ide update Bartlomiej Zolnierkiewicz
2005-08-18 22:15 ` Linus Torvalds
2005-08-18 22:19 ` Nish Aravamudan
2005-08-19 0:44 ` Mark Lord
2005-08-18 23:08 ` Alan Cox
2005-08-19 9:02 ` Bartlomiej Zolnierkiewicz
2005-08-19 18:06 ` Alan Cox
2005-08-19 23:51 ` Bartlomiej Zolnierkiewicz
2005-08-19 23:52 ` Bartlomiej Zolnierkiewicz
2005-11-10 1:00 Bartlomiej Zolnierkiewicz
2005-11-18 23:21 Bartlomiej Zolnierkiewicz
2005-11-19 23:46 Bartlomiej Zolnierkiewicz
2005-12-15 2:03 Bartlomiej Zolnierkiewicz
2007-05-09 22:46 [git patches] IDE update Bartlomiej Zolnierkiewicz
2007-05-09 22:46 ` Jeff Garzik
2007-05-09 23:20 ` David Miller
2007-05-09 23:23 ` Bartlomiej Zolnierkiewicz
2007-05-09 23:18 ` Jeff Garzik
2007-05-09 22:47 ` Jeff Garzik
2007-05-09 22:59 ` Andrew Morton
2007-05-09 23:15 ` Jeff Garzik
2007-07-09 21:46 Bartlomiej Zolnierkiewicz
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