From: Jim Crilly <jim@why.dont.jablowme.net>
To: Pavel Machek <pavel@ucw.cz>
Cc: James Bruce <bruce@andrew.cmu.edu>,
Lee Revell <rlrevell@joe-job.com>,
Marc Ballarin <Ballarin.Marc@gmx.de>,
linux-kernel@vger.kernel.org
Subject: Re: Power consumption HZ100, HZ250, HZ1000: new numbers
Date: Sun, 31 Jul 2005 23:49:41 -0400 [thread overview]
Message-ID: <20050801034940.GC24130@mail> (raw)
In-Reply-To: <20050731223616.GB27580@elf.ucw.cz>
On 08/01/05 12:36:16AM +0200, Pavel Machek wrote:
> > If the kernel defaults are irrelevant, then it would make more sense to
> > leave the default HZ as 1000 and not to enable the cpufreq and ACPI in
> > order to keep with the principle of least surprise for people who do use
> > kernel.org kernels.
>
> Well, I'd say you want ACPI enabled. New machine do not even boot
> without that. Default config should be usefull; set ACPI off, and
> you'll not be able to even power machine down.
And there are older machines that won't boot with it enabled. The machine
I'm typing this on has a really shitty ACPI implementation, I don't remember
the details because it's been so long but I know that I have to disable ACPI
for it to work right.
I'm not saying defconfig should never be changed, but changing what can and
will cause noticeable breakage should be avoided if possible. And in this
case it doesn't seem to me that the benefits of changing HZ in the middle
of a "stable" series outweigh the added latency.
> Pavel
Jim.
next prev parent reply other threads:[~2005-08-01 3:50 UTC|newest]
Thread overview: 82+ messages / expand[flat|nested] mbox.gz Atom feed top
2005-07-29 22:49 Power consumption HZ100, HZ250, HZ1000: new numbers Marc Ballarin
2005-07-29 23:15 ` Lee Revell
2005-07-30 10:06 ` Marc Ballarin
2005-07-30 18:05 ` Lee Revell
2005-07-30 18:18 ` Zwane Mwaikambo
2005-07-30 18:14 ` Lee Revell
2005-07-30 18:35 ` Lee Revell
2005-08-01 20:00 ` Lee Revell
2005-07-30 19:51 ` Pavel Machek
2005-07-30 20:04 ` Lee Revell
2005-07-30 20:10 ` Pavel Machek
2005-07-31 20:21 ` James Bruce
2005-07-31 21:10 ` Pavel Machek
2005-07-31 21:41 ` Lee Revell
2005-07-31 21:57 ` James Bruce
2005-07-31 22:32 ` Pavel Machek
2005-07-31 23:20 ` Bernd Eckenfels
2005-08-01 1:59 ` Kyle Moffett
2005-08-02 9:08 ` Tomasz Torcz
2005-07-31 21:54 ` Lee Revell
2005-07-31 22:02 ` Lee Revell
2005-07-31 22:18 ` James Bruce
2005-07-31 22:07 ` Jim Crilly
2005-07-31 22:36 ` Pavel Machek
2005-07-31 22:39 ` Lee Revell
2005-08-01 3:49 ` Jim Crilly [this message]
2005-08-01 7:26 ` Pavel Machek
2005-08-01 18:16 ` Jim Crilly
2005-08-10 18:49 ` Bill Davidsen
2005-07-31 22:12 ` James Bruce
2005-07-31 22:47 ` Pavel Machek
2005-07-31 23:23 ` Lee Revell
2005-07-31 23:29 ` Pavel Machek
2005-07-31 23:53 ` Lee Revell
2005-08-01 7:28 ` Pavel Machek
2005-08-10 19:00 ` Bill Davidsen
2005-08-01 6:19 ` Stefan Seyfried
2005-08-01 16:07 ` Jan Knutar
2005-08-01 18:45 ` Lee Revell
2005-08-02 9:13 ` Tomasz Torcz
2005-08-02 14:58 ` Lee Revell
2005-08-01 7:44 ` David Weinehall
2005-08-01 16:18 ` James Bruce
2005-08-01 19:27 ` Lee Revell
2005-08-01 20:42 ` Theodore Ts'o
2005-08-02 4:50 ` James Bruce
2005-08-02 13:10 ` Stephen Clark
2005-08-02 14:02 ` Lee Revell
2005-08-02 14:12 ` Jens Axboe
2005-08-02 17:06 ` Folkert van Heusden
2005-08-02 17:45 ` linux-os (Dick Johnson)
2005-08-02 17:55 ` Lee Revell
2005-08-02 14:15 ` Con Kolivas
2005-08-02 14:20 ` Lars Marowsky-Bree
2005-08-02 14:22 ` Lee Revell
2005-08-02 15:18 ` Joel Jaeggli
2005-08-03 8:53 ` Oliver Neukum
2005-08-02 14:43 ` Jeff Garzik
2005-08-02 14:52 ` Lee Revell
2005-08-02 19:26 ` Lars Marowsky-Bree
2005-08-02 15:42 ` James Bruce
2005-08-02 15:58 ` Lee Revell
2005-08-02 17:02 ` Prakash Punnoor
2005-08-02 16:08 ` Ondrej Zary
2005-08-05 6:39 ` James Bruce
2005-08-11 19:22 ` Ondrej Zary
2005-08-03 9:19 ` Hans Kristian Rosbach
2005-08-03 13:57 ` Dmitry Torokhov
2005-08-04 12:52 ` Hans Kristian Rosbach
2005-08-02 6:45 ` Tony Lindgren
2005-08-02 11:23 ` Pavel Machek
2005-08-02 14:08 ` Lee Revell
2005-08-02 14:31 ` Roman Zippel
2005-08-02 11:25 ` Pavel Machek
2005-08-02 14:07 ` Lee Revell
2005-08-03 17:13 ` Stephen Ray
2005-08-03 19:12 ` Lee Revell
2005-07-30 20:08 ` Lee Revell
2005-07-30 10:06 ` Pavel Machek
2005-08-10 19:08 ` Bill Davidsen
-- strict thread matches above, loose matches on Subject: below --
2005-08-03 15:20 ambx1
2005-08-03 16:47 ` James Bruce
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