From: Peter Zijlstra <peterz@infradead.org>
To: Raistlin <raistlin@linux.it>
Cc: linux-kernel <linux-kernel@vger.kernel.org>,
michael trimarchi <michael@evidence.eu.com>,
Fabio Checconi <fabio@gandalf.sssup.it>,
Ingo Molnar <mingo@elte.hu>, Thomas Gleixner <tglx@linutronix.de>,
Dhaval Giani <dhaval.giani@gmail.com>,
Johan Eker <johan.eker@ericsson.com>,
"p.faure" <p.faure@akatech.ch>,
Chris Friesen <cfriesen@nortel.com>,
Steven Rostedt <rostedt@goodmis.org>,
Henrik Austad <henrik@austad.us>,
Frederic Weisbecker <fweisbec@gmail.com>,
Darren Hart <darren@dvhart.com>,
Sven-Thorsten Dietrich <sven@thebigcorporation.com>,
Bjoern Brandenburg <bbb@cs.unc.edu>,
Tommaso Cucinotta <tommaso.cucinotta@sssup.it>,
"giuseppe.lipari" <giuseppe.lipari@sssup.it>,
Juri Lelli <juri.lelli@gmail.com>
Subject: Re: [RFC 10/12][PATCH] SCHED_DEADLINE: group bandwidth management code
Date: Mon, 28 Dec 2009 15:51:12 +0100 [thread overview]
Message-ID: <1262011872.7135.119.camel@laptop> (raw)
In-Reply-To: <1255708004.6228.466.camel@Palantir>
On Fri, 2009-10-16 at 17:46 +0200, Raistlin wrote:
> CPU Container Groups support for SCHED_DEADLINE is introduced by this commit.
>
> CGroups, if configured, have a SCHED_DEADLINE bandwidth, and it is enforced
> that the sum of the bandwidths of entities (tasks and groups) belonging to
> a group stays below its own bandwidth.
No real comment on the code here, but since we have a deadline bandwidth
reservation, should we not also couple to the existing rt (fifo)
bandwidth reservation?
We can't after all guarantee the FIFO time if there's deadline
reservations around for more.
next prev parent reply other threads:[~2009-12-28 14:52 UTC|newest]
Thread overview: 45+ messages / expand[flat|nested] mbox.gz Atom feed top
2009-10-16 15:35 [RFC 0/12][PATCH] SCHED_DEADLINE (new version of SCHED_EDF) Raistlin
2009-10-16 15:38 ` [RFC 1/12][PATCH] Extended scheduling parameters structure added Raistlin
2009-12-29 12:15 ` Peter Zijlstra
2010-01-13 10:36 ` Raistlin
2009-10-16 15:40 ` [RFC 0/12][PATCH] SCHED_DEADLINE: core of the scheduling class Raistlin
2009-12-29 12:25 ` Peter Zijlstra
2010-01-13 10:40 ` Dario Faggioli
2009-12-29 12:27 ` Peter Zijlstra
2010-01-13 10:42 ` Raistlin
2009-12-29 14:30 ` Peter Zijlstra
2009-12-29 14:37 ` Peter Zijlstra
2009-12-29 14:40 ` Peter Zijlstra
2010-01-13 16:32 ` Dario Faggioli
2010-01-13 16:47 ` Peter Zijlstra
2009-12-29 14:41 ` Peter Zijlstra
2010-01-13 10:46 ` Raistlin
2009-10-16 15:41 ` [RFC 0/12][PATCH] SCHED_DEADLINE: fork and terminate task logic Raistlin
2009-12-29 15:20 ` Peter Zijlstra
2010-01-13 11:11 ` Raistlin
2010-01-13 16:15 ` Peter Zijlstra
2010-01-13 16:28 ` Dario Faggioli
2010-01-13 21:30 ` Fabio Checconi
2009-10-16 15:41 ` [RFC 0/12][PATCH] SCHED_DEADLINE: added sched_*_ex syscalls Raistlin
2009-10-16 15:42 ` [RFC 0/12][PATCH] SCHED_DEADLINE: added sched-debug support Raistlin
2009-10-16 15:43 ` [RFC 6/12][PATCH] SCHED_DEADLINE: added scheduling latency tracer Raistlin
2009-10-16 15:44 ` [RFC 7/12][PATCH] SCHED_DEADLINE: signal delivery when overrunning Raistlin
2009-12-28 14:19 ` Peter Zijlstra
2010-01-13 9:30 ` Raistlin
2009-10-16 15:44 ` [RFC 8/12][PATCH] SCHED_DEADLINE: wait next instance syscall added Raistlin
2009-12-28 14:30 ` Peter Zijlstra
2010-01-13 9:33 ` Raistlin
2009-10-16 15:45 ` [RFC 9/12][PATCH] SCHED_DEADLINE: system wide bandwidth management Raistlin
2009-11-06 11:34 ` Dhaval Giani
2009-12-28 14:44 ` Peter Zijlstra
2010-01-13 9:41 ` Raistlin
2009-10-16 15:46 ` [RFC 10/12][PATCH] SCHED_DEADLINE: group bandwidth management code Raistlin
2009-12-28 14:51 ` Peter Zijlstra [this message]
2010-01-13 9:46 ` Raistlin
2009-10-16 15:47 ` [RFC 11/12][PATCH] SCHED_DEADLINE: documentation Raistlin
2009-10-16 15:48 ` [RFC 12/12][PATCH] SCHED_DEADLINE: modified sched_*_ex API Raistlin
2009-12-28 15:09 ` Peter Zijlstra
2010-01-13 10:27 ` Raistlin
2010-01-13 16:23 ` Peter Zijlstra
2009-12-29 12:15 ` Peter Zijlstra
2010-01-13 10:33 ` Raistlin
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