From: "Jan Schönherr" <schnhrr@cs.tu-berlin.de>
To: Peter Zijlstra <peterz@infradead.org>
Cc: Ingo Molnar <mingo@elte.hu>, linux-kernel@vger.kernel.org
Subject: Re: [PATCH 5/6] sched: Use leaf_cfs_rqs in load_balance_fair()
Date: Thu, 14 Jul 2011 18:46:55 +0200 [thread overview]
Message-ID: <4E1F1D7F.50904@cs.tu-berlin.de> (raw)
In-Reply-To: <1310589866.2586.31.camel@twins>
Am 13.07.2011 22:44, schrieb Peter Zijlstra:
> On Wed, 2011-07-13 at 20:13 +0200, Jan H. Schönherr wrote:
>> Since commit 3d4b47b4 ("sched: Implement on-demand (active) cfs_rq list")
>> the leaf_cfs_rqs provide an advantage over the task_group list.
>>
>> Make use of it in load_balance_fair(), so that we do not unnecessarily
>> iterate over empty cfs_rqs where we cannot pull anything from.
>
> I just send a similar patch today:
>
> https://lkml.org/lkml/2011/7/13/94
Yes. I've seen that too late.
Sorry for the noise.
Regards
Jan
next prev parent reply other threads:[~2011-07-14 16:47 UTC|newest]
Thread overview: 23+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <1310580816-10861-1-git-send-email-schnhrr@cs.tu-berlin.de>
2011-07-13 18:13 ` [PATCH 6/6] sched: Do not attempt to destroy uninitialized rt_bandwidth Jan H. Schönherr
2011-07-21 18:30 ` [tip:sched/core] " tip-bot for Bianca Lutz
[not found] ` <1310580816-10861-6-git-send-email-schnhrr@cs.tu-berlin.de>
2011-07-13 20:44 ` [PATCH 5/6] sched: Use leaf_cfs_rqs in load_balance_fair() Peter Zijlstra
2011-07-14 16:46 ` Jan Schönherr [this message]
[not found] ` <1310580816-10861-4-git-send-email-schnhrr@cs.tu-berlin.de>
2011-07-13 20:47 ` [PATCH 3/6] sched: Avoid redundant initialization of runqueues Peter Zijlstra
[not found] ` <1310661163-16606-1-git-send-email-schnhrr@cs.tu-berlin.de>
2011-07-15 10:14 ` [PATCH] sched: Separate group-scheduling code more clearly Peter Zijlstra
[not found] ` <1310580816-10861-2-git-send-email-schnhrr@cs.tu-berlin.de>
2011-07-13 20:51 ` [PATCH 1/6] sched: Fix (harmless) typo 'CONFG_FAIR_GROUP_SCHED' Peter Zijlstra
2011-07-13 22:07 ` Jiri Kosina
2011-07-13 22:12 ` Peter Zijlstra
2011-07-13 22:25 ` Jiri Kosina
2011-07-13 22:37 ` Peter Zijlstra
2011-07-13 22:48 ` Jiri Kosina
2011-07-14 16:45 ` Jan Schönherr
2011-07-13 22:35 ` Jesper Juhl
2011-07-13 22:44 ` Peter Zijlstra
2011-07-13 23:03 ` Jesper Juhl
2011-07-13 23:18 ` Peter Zijlstra
2011-07-13 23:43 ` Jesper Juhl
2011-07-14 8:53 ` Alan Cox
2011-07-14 12:50 ` Peter Zijlstra
2011-07-14 13:23 ` Alan Cox
2011-07-21 18:29 ` [tip:sched/core] " tip-bot for Jan Schoenherr
2011-07-13 20:58 ` [PATCH 0/6] Small scheduling cleanups Peter Zijlstra
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