From: Nick Piggin <nickpiggin@yahoo.com.au>
To: Ingo Molnar <mingo@elte.hu>
Cc: Con Kolivas <kernel@kolivas.org>, Andrew Morton <akpm@osdl.org>,
linux-kernel@vger.kernel.org
Subject: Re: 2.6.8-rc2-mm2
Date: Wed, 04 Aug 2004 20:46:51 +1000 [thread overview]
Message-ID: <4110BE9B.3040701@yahoo.com.au> (raw)
In-Reply-To: <20040804103143.GA13072@elte.hu>
Ingo Molnar wrote:
> * Nick Piggin <nickpiggin@yahoo.com.au> wrote:
>
>
>>Also, basic interactivity in X is bad with the interactive sysctl set
>>to 0 (is X supposed to be at nice 0?), however fairness is bad when
>>interactive is 1. I'm not sure if this is an acceptable tradeoff - are
>>you planning to fix it?
>
>
> it also has clear interactivity problems when just running lots of CPU
> hogs even with the default interactive=1 compute=0 setting.
>
>
>>Increasing priority (negative nice) doesn't have much impact. -20 CPU
>>hog only gets about double the CPU of a 0 priority CPU hog and only
>>about 120% the CPU time of a nice -10 hog.
>
>
> this is a property of the base scheduler as well.
>
*blush*. Well I shouldn't have singled out the staircase scheduler
with this then.
I think I would prefer your nonlinear ratios better though.
next prev parent reply other threads:[~2004-08-04 10:51 UTC|newest]
Thread overview: 55+ messages / expand[flat|nested] mbox.gz Atom feed top
2004-08-02 8:55 2.6.8-rc2-mm2 Andrew Morton
2004-08-02 9:23 ` 2.6.8-rc2-mm2 Espen Fjellvær Olsen
2004-08-02 12:10 ` 2.6.8-rc2-mm2 Rik van Riel
2004-08-05 10:56 ` 2.6.8-rc2-mm2 Hideo AOKI
2004-08-05 12:55 ` 2.6.8-rc2-mm2 Hideo AOKI
2004-08-02 13:07 ` 2.6.8-rc2-mm2 Con Kolivas
2004-08-03 6:43 ` 2.6.8-rc2-mm2 Nick Piggin
2004-08-03 7:35 ` 2.6.8-rc2-mm2 Con Kolivas
2004-08-03 7:43 ` 2.6.8-rc2-mm2 Nick Piggin
2004-08-03 7:45 ` 2.6.8-rc2-mm2 Con Kolivas
2004-08-04 8:35 ` 2.6.8-rc2-mm2 Nick Piggin
2004-08-04 10:12 ` 2.6.8-rc2-mm2 Con Kolivas
2004-08-04 10:33 ` 2.6.8-rc2-mm2 Nick Piggin
2004-08-04 11:42 ` 2.6.8-rc2-mm2 bert hubert
2004-08-05 1:21 ` 2.6.8-rc2-mm2 Nick Piggin
2004-08-04 10:31 ` 2.6.8-rc2-mm2 Ingo Molnar
2004-08-04 10:46 ` Nick Piggin [this message]
2004-08-04 10:47 ` 2.6.8-rc2-mm2 Con Kolivas
2004-08-04 12:45 ` 2.6.8-rc2-mm2 Ingo Molnar
2004-08-05 2:53 ` 2.6.8-rc2-mm2 Con Kolivas
2004-08-05 8:34 ` 2.6.8-rc2-mm2 Helge Hafting
2004-08-05 9:34 ` 2.6.8-rc2-mm2 Con Kolivas
2004-08-05 10:47 ` 2.6.8-rc2-mm2 Ingo Molnar
2004-08-02 13:52 ` 2.6.8-rc2-mm2 William Lee Irwin III
2004-08-02 16:12 ` 2.6.8-rc2-mm2 William Lee Irwin III
2004-08-02 14:28 ` 2.6.8-rc2-mm2 William Lee Irwin III
2004-08-02 15:31 ` 2.6.8-rc2-mm2 Mark Watts
2004-08-02 15:33 ` 2.6.8-rc2-mm2 Jesper Juhl
2004-08-02 15:38 ` 2.6.8-rc2-mm2 Dominik Karall
2004-08-02 16:02 ` 2.6.8-rc2-mm2 Mark Watts
2004-08-03 6:55 ` 2.6.8-rc2-mm2 Clemens Schwaighofer
2004-08-02 15:57 ` 2.6.8-rc2-mm2 Martin Zwickel
2004-08-02 17:59 ` 2.6.8-rc2-mm2 (compile stats) John Cherry
2004-08-02 18:15 ` 2.6.8-rc2-mm2 Peter Osterlund
2004-08-02 22:16 ` [patch] 2.6.8-rc2-mm2: compile error with SWAP=n Adrian Bunk
2004-08-03 8:27 ` 2.6.8-rc2-mm2 Mark Watts
2004-08-03 13:05 ` 2.6.8-rc2-mm2 R. J. Wysocki
2004-08-03 13:13 ` 2.6.8-rc2-mm2 Con Kolivas
2004-08-03 19:44 ` 2.6.8-rc2-mm2 Adrian Bunk
2004-08-04 16:32 ` 2.6.8-rc2-mm2 Dominik Karall
2004-08-05 4:38 ` [sparc32] [1/13] turbosparc flush warnings William Lee Irwin III
2004-08-05 4:39 ` [sparc32] [2/13] sparc32 init_idle() William Lee Irwin III
2004-08-05 4:41 ` [sparc32] [3/13] sun4d cpu_present_map is a cpumask_t William Lee Irwin III
2004-08-05 4:44 ` [sparc32] [4/13] smp_processor_id() BITFIXUP fixes William Lee Irwin III
2004-08-05 4:46 ` [sparc32] [5/13] reinstate smp_reschedule_irq() William Lee Irwin III
2004-08-05 4:47 ` [sparc32] [6/13] remove references to start_secondary() William Lee Irwin III
2004-08-05 4:48 ` [sparc32] [7/13] remove references to num_context_patch2 William Lee Irwin III
2004-08-05 4:49 ` [sparc32] [8/13] define cache_decay_ticks William Lee Irwin III
2004-08-05 4:54 ` [sparc32] [9/13] remove unused variable in dvma.c William Lee Irwin III
2004-08-05 4:55 ` [sparc32] [10/13] sun4 does not support SMP William Lee Irwin III
2004-08-05 4:56 ` [sparc32] [11/13] make CONFIG_SMP depend on CONFIG_BROKEN William Lee Irwin III
2004-08-05 5:01 ` [sparc32] [12/13] gcc-3.3 macro parenthesization fix for memcpy.S William Lee Irwin III
2004-08-05 5:31 ` [sparc32] [13/13] ignore undefined symbols with 3 or more leading underscores William Lee Irwin III
2004-08-05 7:28 ` [sparc32] [12/13] gcc-3.3 macro parenthesization fix for memcpy.S Jakub Jelinek
2004-08-05 7:38 ` William Lee Irwin III
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