From: Lee Revell <rlrevell@joe-job.com>
To: Pavel Machek <pavel@ucw.cz>
Cc: James Bruce <bruce@andrew.cmu.edu>,
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 19:53:55 -0400 [thread overview]
Message-ID: <1122854036.13000.33.camel@mindpipe> (raw)
In-Reply-To: <20050731232941.GG27580@elf.ucw.cz>
On Mon, 2005-08-01 at 01:29 +0200, Pavel Machek wrote:
> Hi!
>
> > > I'm pretty sure at least one distro will go with HZ<300 real soon now
> > > ;-).
> > >
> >
> > Any idea what their official recommendation for people running apps that
> > require the 1ms sleep resolution is? Something along the lines of "Get
> > bent"?
>
> So you busy wait for 1msec, big deal.
Which requires changing all those apps. I thought we tried not to break
userspace with minor kernel version upgrades.
> Some machines can't even keep time properly with HZ=1000.
If your workaround for broken hardware involves screwing over people
with good hardware, it might be the wrong workaround.
> Official recommendation is likely "help us
> with CONFIG_NO_IDLE_HZ" or "get over it".
IOW, "if you don't like it, get another distro, or compile your own
kernel".
Lee
next prev parent reply other threads:[~2005-07-31 23:53 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
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 [this message]
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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