From: Peter Zijlstra <a.p.zijlstra@chello.nl>
To: Roman Zippel <zippel@linux-m68k.org>
Cc: Ingo Molnar <mingo@elte.hu>,
linux-kernel@vger.kernel.org, Mike Galbraith <efault@gmx.de>
Subject: Re: [announce] CFS-devel, performance improvements
Date: Fri, 14 Sep 2007 14:17:15 +0200 [thread overview]
Message-ID: <1189772235.21778.287.camel@twins> (raw)
In-Reply-To: <Pine.LNX.4.64.0709141352430.1817@scrub.home>
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On Fri, 2007-09-14 at 14:04 +0200, Roman Zippel wrote:
> AFAICT the compensation part is already done by the scaling part, without
> the load part it largely mirrors what __update_stats_wait_end() does, i.e.
> it gets the same time as other tasks, which have been on the rq.
All it tried to do was approximate the situation where the task never
left the rq. I'm not saying it makes sense or is the right thing to do,
just what the thought behind that particular bit was.
There is a reason it was turned off by default:
- SCHED_FEAT_SLEEPER_AVG *0 |
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next prev parent reply other threads:[~2007-09-14 12:17 UTC|newest]
Thread overview: 49+ messages / expand[flat|nested] mbox.gz Atom feed top
2007-09-11 20:04 [announce] CFS-devel, performance improvements Ingo Molnar
2007-09-12 0:42 ` Roman Zippel
2007-09-13 7:52 ` Ingo Molnar
2007-09-13 12:35 ` Roman Zippel
2007-09-13 14:28 ` Ingo Molnar
2007-09-13 16:50 ` Roman Zippel
2007-09-13 17:06 ` Peter Zijlstra
2007-09-13 17:09 ` Peter Zijlstra
2007-09-14 12:04 ` Roman Zippel
2007-09-14 12:17 ` Peter Zijlstra [this message]
2007-09-13 18:28 ` Kyle Moffett
2007-09-13 19:08 ` Peter Zijlstra
2007-09-14 15:26 ` Arjan van de Ven
2007-09-14 14:50 ` Roman Zippel
2007-09-14 15:56 ` Arjan van de Ven
2007-09-14 15:13 ` Roman Zippel
2007-09-13 19:01 ` Sam Ravnborg
2007-09-14 12:26 ` Roman Zippel
2007-09-12 1:16 ` Rob Hussey
2007-09-13 8:42 ` Rob Hussey
2007-09-13 9:06 ` Ingo Molnar
2007-09-13 9:24 ` Rob Hussey
2007-09-13 9:31 ` Ingo Molnar
2007-09-13 9:36 ` Rob Hussey
2007-09-13 9:43 ` Rob Hussey
2007-09-13 10:17 ` Rob Hussey
2007-09-13 11:48 ` Ingo Molnar
2007-09-14 1:47 ` Rob Hussey
2007-09-14 2:26 ` Rob Hussey
2007-09-14 6:59 ` Kyle Moffett
2007-09-12 6:20 ` Mike Galbraith
2007-09-12 22:17 ` Roman Zippel
2007-09-13 7:17 ` debian developer
2007-09-13 7:34 ` debian developer
2007-09-13 9:19 ` Ingo Molnar
2007-09-13 11:35 ` Peter Zijlstra
2007-09-13 12:14 ` Roman Zippel
2007-09-13 12:44 ` Peter Zijlstra
2007-09-14 11:16 ` Peter Zijlstra
2007-09-13 12:47 ` Ingo Molnar
2007-09-14 11:46 ` Roman Zippel
2007-09-13 23:08 ` Willy Tarreau
2007-09-14 13:10 ` Roman Zippel
2007-09-14 17:54 ` Willy Tarreau
-- strict thread matches above, loose matches on Subject: below --
2007-09-13 22:51 dimm
2007-09-14 8:13 ` Ingo Molnar
2007-09-14 8:13 ` Ingo Molnar
2007-09-13 23:25 dimm
2007-09-14 8:17 ` Ingo Molnar
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