linux-kernel - Re: [PATCH 05/16] sched: SCHED_DEADLINE policy implementation.

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Message-ID: <4F964DC1.2020703@gmail.com>
Date:	Tue, 24 Apr 2012 08:52:49 +0200
From:	Juri Lelli <juri.lelli@...il.com>
To:	Dario Faggioli <raistlin@...ux.it>
CC:	Tommaso Cucinotta <tommaso.cucinotta@...up.it>,
	Peter Zijlstra <peterz@...radead.org>, tglx@...utronix.de,
	mingo@...hat.com, rostedt@...dmis.org, cfriesen@...tel.com,
	oleg@...hat.com, fweisbec@...il.com, darren@...art.com,
	johan.eker@...csson.com, p.faure@...tech.ch,
	linux-kernel@...r.kernel.org, claudio@...dence.eu.com,
	michael@...rulasolutions.com, fchecconi@...il.com,
	nicola.manica@...i.unitn.it, luca.abeni@...tn.it,
	dhaval.giani@...il.com, hgu1972@...il.com,
	paulmck@...ux.vnet.ibm.com, insop.song@...csson.com,
	liming.wang@...driver.com
Subject: Re: [PATCH 05/16] sched: SCHED_DEADLINE policy implementation.

On 04/24/2012 08:29 AM, Dario Faggioli wrote:
> On Tue, 2012-04-24 at 00:25 +0100, Tommaso Cucinotta wrote:
>>> The idea is that ->clock_task gives the time as observed by schedulable
>>> tasks and excludes other muck.
>>
>> so clock_task might be better to compute the consumed budget at task
>> deschedule, but for setting deadlines one period ahead in the future
>> guess the regular wall-time rq->clock is the one to be used?
>>
> Yep, that was the idea, unless my recollection has completely gone
> flaky! :-P
>
> Perhaps adding a comment saying right this thing above, as Peter
> suggested?
>

Sure! TODO for the next release :-).

Thanks,

- Juri
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