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From: Peter Zijlstra <peterz@infradead.org>
To: Juri Lelli <juri.lelli@gmail.com>
Cc: tglx@linutronix.de, mingo@redhat.com, rostedt@goodmis.org,
	oleg@redhat.com, fweisbec@gmail.com, darren@dvhart.com,
	johan.eker@ericsson.com, p.faure@akatech.ch,
	linux-kernel@vger.kernel.org, claudio@evidence.eu.com,
	michael@amarulasolutions.com, fchecconi@gmail.com,
	tommaso.cucinotta@sssup.it, nicola.manica@disi.unitn.it,
	luca.abeni@unitn.it, dhaval.giani@gmail.com, hgu1972@gmail.com,
	paulmck@linux.vnet.ibm.com, raistlin@linux.it,
	insop.song@ericsson.com, liming.wang@windriver.com,
	jkacur@redhat.com, harald.gustafsson@ericsson.com
Subject: Re: [PATCH 13/15] sched: add bandwidth management for sched_dl.
Date: Fri, 25 May 2012 12:38:12 +0200	[thread overview]
Message-ID: <1337942292.9783.178.camel@laptop> (raw)
In-Reply-To: <1337809375-24295-14-git-send-email-juri.lelli@gmail.com>

On Wed, 2012-05-23 at 23:42 +0200, Juri Lelli wrote:
> +/*
> + * Coupling of -dl and -rt bandwidth.
> + *
> + * Here we check, while setting the system wide bandwidth available
> + * for -dl tasks and groups, if the new values are consistent with
> + * the system settings for the bandwidth available to -rt entities.
> + *
> + * IOW, we want to enforce that
> + *
> + *   rt_bandwidth + dl_bandwidth <= 100%
> + *
> + * is always true.
> + */ 

I was thinking we could do it the other way around, have have
dl_bandwidth included in rt_bandwidth.




  reply	other threads:[~2012-05-25 10:38 UTC|newest]

Thread overview: 26+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2012-05-23 21:42 [RFC][PATCH 00/15] sched: SCHED_DEADLINE v5 Juri Lelli
2012-05-23 21:42 ` [PATCH 01/15] math128: Introduce various 128bit primitives Juri Lelli
2012-05-23 21:42 ` [PATCH 02/15] math128, x86_64: Implement {mul,add}_u128 in 64bit asm Juri Lelli
2012-05-23 21:42 ` [PATCH 03/15] sched: add sched_class->task_dead Juri Lelli
2012-05-23 21:42 ` [PATCH 04/15] sched: add extended scheduling interface Juri Lelli
2012-05-23 21:42 ` [PATCH 05/15] sched: SCHED_DEADLINE structures & implementation Juri Lelli
2012-05-23 21:42 ` [PATCH 06/15] sched: SCHED_DEADLINE SMP-related data structures & logic Juri Lelli
2012-05-23 21:42 ` [PATCH 07/15] sched: SCHED_DEADLINE avg_update accounting Juri Lelli
2012-05-23 21:42 ` [PATCH 08/15] sched: add period support for -deadline tasks Juri Lelli
2012-05-23 21:42 ` [PATCH 09/15] sched: add schedstats " Juri Lelli
2012-05-23 21:42 ` [PATCH 10/15] sched: add latency tracing " Juri Lelli
2012-05-23 21:42 ` [PATCH 11/15] rtmutex: turn the plist into an rb-tree Juri Lelli
2012-05-23 21:42 ` [PATCH 12/15] sched: drafted deadline inheritance logic Juri Lelli
2012-05-23 21:42 ` [PATCH 13/15] sched: add bandwidth management for sched_dl Juri Lelli
2012-05-25 10:38   ` Peter Zijlstra [this message]
2012-05-26 11:07     ` Juri Lelli
2012-05-29  9:58       ` Peter Zijlstra
2012-05-29 12:18         ` Juri Lelli
2012-05-29 12:31           ` Peter Zijlstra
2012-05-30 15:34             ` Juri Lelli
2012-05-23 21:42 ` [PATCH 14/15] sched: speed up -dl pushes with a push-heap Juri Lelli
2012-05-23 21:42 ` [PATCH 15/15] sched: add sched_dl documentation Juri Lelli
2012-05-25 10:42 ` [RFC][PATCH 00/15] sched: SCHED_DEADLINE v5 Peter Zijlstra
2012-05-25 11:04   ` Thomas Gleixner
2012-05-28  9:06   ` Juri Lelli
2012-05-29 10:07     ` Peter Zijlstra

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