From: "J.A. Magallon" <jamagallon@able.es>
To: Thunder from the hill <thunder@ngforever.de>
Cc: Andrew Morton <akpm@zip.com.au>,
"Grover, Andrew" <andrew.grover@intel.com>,
Linux <linux-kernel@vger.kernel.org>
Subject: Re: HZ, preferably as small as possible
Date: Thu, 11 Jul 2002 01:50:20 +0200 [thread overview]
Message-ID: <20020710235020.GA2113@werewolf.able.es> (raw)
In-Reply-To: <Pine.LNX.4.44.0207101559460.5067-100000@hawkeye.luckynet.adm>; from thunder@ngforever.de on Thu, Jul 11, 2002 at 00:01:08 +0200
On 2002.07.11 Thunder from the hill wrote:
>Hi,
>
>On Wed, 10 Jul 2002, Andrew Morton wrote:
>> That makes a ton of sense.
>>
>> > But on the other hand, increasing HZ has perf/latency benefits, yes? Have
>> > these been quantified?
>>
>> Not that I'm aware of. And I'd regard any such claims with some
>> scepticism.
>>
>> > I'd either like to see a HZ that has balanced
>> > power/performance, or could we perhaps detect we are on a system that cares
>> > about power (aka a laptop) and tweak its value at runtime?
>
>Want a config option? Either int or bool (CONFIG_LOW_HZ). It's not too
>much effort.
>
How about a <boot> option ? linux hz=[low,high]
It is runtime, but just one time.
--
J.A. Magallon \ Software is like sex: It's better when it's free
mailto:jamagallon@able.es \ -- Linus Torvalds, FSF T-shirt
Linux werewolf 2.4.19-rc1-jam2, Mandrake Linux 8.3 (Cooker) for i586
gcc (GCC) 3.1.1 (Mandrake Linux 8.3 3.1.1-0.7mdk)
next prev parent reply other threads:[~2002-07-10 23:47 UTC|newest]
Thread overview: 78+ messages / expand[flat|nested] mbox.gz Atom feed top
2002-07-10 19:59 HZ, preferably as small as possible Grover, Andrew
2002-07-10 21:09 ` george anzinger
2002-07-11 6:03 ` Hannu Savolainen
2002-07-11 7:15 ` george anzinger
2002-07-12 0:36 ` Stevie O
2002-07-12 0:50 ` Thunder from the hill
2002-07-12 0:55 ` Robert Love
2002-07-12 0:58 ` Thunder from the hill
2002-07-12 1:24 ` Alan Cox
2002-07-12 1:37 ` Mark Hahn
2002-07-12 1:09 ` george anzinger
2002-07-12 1:26 ` Roland Dreier
2002-07-12 17:30 ` george anzinger
2002-07-12 1:35 ` Stevie O
2002-07-12 3:01 ` Bernd Eckenfels
2002-07-11 12:54 ` Thunder from the hill
2002-07-11 15:59 ` Martin Dalecki
2002-07-10 21:28 ` Andrew Morton
2002-07-10 21:35 ` Benjamin LaHaise
2002-07-10 21:38 ` Andrew Morton
2002-07-10 21:42 ` Benjamin LaHaise
2002-07-11 2:14 ` CaT
2002-07-11 17:01 ` Martin Dalecki
2002-07-10 22:01 ` Thunder from the hill
2002-07-10 22:09 ` Cort Dougan
2002-07-11 13:36 ` Whoa... (was: Re: HZ, preferably as small as possible) Mark Mielke
2002-07-11 21:08 ` Daniel Phillips
2002-07-10 22:41 ` HZ, preferably as small as possible Thunder from the hill
2002-07-10 22:47 ` Thunder from the hill
2002-07-10 22:49 ` Eli Carter
2002-07-10 23:05 ` Thunder from the hill
2002-07-10 23:08 ` Dave Mielke
2002-07-10 23:13 ` Thunder from the hill
2002-07-10 23:50 ` J.A. Magallon [this message]
2002-07-11 0:28 ` Lincoln Dale
2002-07-11 11:35 ` Kasper Dupont
2002-07-11 12:30 ` Alan Cox
2002-07-11 13:37 ` Kasper Dupont
2002-07-11 15:46 ` Alan Cox
2002-07-11 18:51 ` george anzinger
2002-07-15 5:06 ` Linus Torvalds
2002-07-15 16:26 ` Robert Love
2002-07-15 18:56 ` Linus Torvalds
2002-07-15 19:52 ` mbs
2002-07-15 20:01 ` yodaiken
2002-07-16 11:41 ` Vojtech Pavlik
2002-07-17 19:33 ` Daniel Phillips
2002-07-17 20:31 ` Richard B. Johnson
2002-07-17 20:40 ` Daniel Phillips
2002-07-17 21:02 ` Richard B. Johnson
2002-07-17 21:02 ` Linus Torvalds
2002-07-17 21:16 ` Daniel Phillips
2002-07-18 12:57 ` Richard B. Johnson
2002-07-18 13:25 ` Daniel Phillips
2002-07-18 10:10 ` Kai Henningsen
2002-07-17 20:55 ` Linus Torvalds
-- strict thread matches above, loose matches on Subject: below --
2002-07-11 2:46 Grover, Andrew
2002-07-11 3:01 ` Jeff Garzik
2002-07-11 11:45 ` Alan Cox
2002-07-11 17:08 ` Martin Dalecki
2002-07-11 19:21 ` Albert D. Cahalan
2002-07-16 9:17 ` Kai Henningsen
2002-07-11 20:34 ` Bill Davidsen
2002-07-12 12:01 ` Martin Dalecki
2002-07-15 5:15 ` Linus Torvalds
2002-07-15 6:56 ` Albert D. Cahalan
2002-07-15 8:24 ` Russell King
2002-07-15 15:48 ` David Mosberger
2002-07-15 18:20 ` Albert D. Cahalan
2002-07-15 18:30 ` David Mosberger
2002-07-15 16:07 ` Albert D. Cahalan
2002-07-15 17:06 ` Russell King
2002-07-15 18:43 ` Albert D. Cahalan
2002-07-15 18:53 ` Russell King
2002-07-15 18:50 ` Linus Torvalds
2002-07-15 20:15 ` Albert D. Cahalan
2002-07-15 8:58 ` Dave Mielke
2002-07-11 7:09 ` george anzinger
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