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From: Con Kolivas <kernel@kolivas.org>
To: Pavel Machek <pavel@ucw.cz>
Cc: linux kernel mailing list <linux-kernel@vger.kernel.org>,
	Andrew Morton <akpm@osdl.org>, Ingo Molnar <mingo@elte.hu>,
	Peter Williams <pwil3058@bigpond.net.au>,
	William Lee Irwin III <wli@holomorphy.com>,
	Alexander Nyberg <alexn@dsv.su.se>,
	Nick Piggin <nickpiggin@yahoo.com.au>
Subject: Re: [PATCH][plugsched 0/28] Pluggable cpu scheduler framework
Date: Mon, 01 Nov 2004 10:37:41 +1100	[thread overview]
Message-ID: <41857745.6020808@kolivas.org> (raw)
In-Reply-To: <20041031233313.GB6909@elf.ucw.cz>

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Pavel Machek wrote:
> Hi!
> 
> 
>>This code was designed to touch the least number of files, be completely
>>arch-independant, and allow extra schedulers to be coded in by only
>>touching Kconfig, scheduler.c and scheduler.h. It should incur no
>>overhead when run and will allow you to compile in only the scheduler(s)
>>you desire. This allows, for example, embedded hardware to have a tiny
>>new scheduler that takes up minimal code space.
> 
> 
> You are changing 
> 
> some_functions()
> 
> into
> 
> something->function()
> 
> no? I do not think that is 0 overhead...

Indeed, and I am performing microbenchmarks to see what measurable 
overhead there is and so far any difference is lost in noise.

Cheers,
Con

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  reply	other threads:[~2004-10-31 23:38 UTC|newest]

Thread overview: 11+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2004-10-30 14:32 [PATCH][plugsched 0/28] Pluggable cpu scheduler framework Con Kolivas
2004-10-31 23:33 ` Pavel Machek
2004-10-31 23:37   ` Con Kolivas [this message]
2004-11-01  1:42   ` William Lee Irwin III
2004-11-01 11:41   ` Ingo Molnar
2004-11-01 13:08     ` Kasper Sandberg
2004-11-01 13:32     ` Con Kolivas
2004-11-01 14:23       ` Nick Piggin
2004-11-01 17:54     ` Jesse Barnes
2004-11-02 21:28     ` Matthias Urlichs
2004-11-02 22:30       ` Peter Chubb

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