linux-kernel - Re: [PATCH v2 00/13] sched: Clean-ups and asymmetric cpu capacity support

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Message-ID: <20160711083353.GE12540@e105550-lin.cambridge.arm.com>
Date:	Mon, 11 Jul 2016 09:33:54 +0100
From:	Morten Rasmussen <morten.rasmussen@....com>
To:	peterz@...radead.org, vincent.guittot@...aro.org
Cc:	dietmar.eggemann@....com, yuyang.du@...el.com, mgalbraith@...e.de,
	mingo@...hat.com, linux-kernel@...r.kernel.org
Subject: Re: [PATCH v2 00/13] sched: Clean-ups and asymmetric cpu capacity
 support

On Wed, Jun 22, 2016 at 06:03:11PM +0100, Morten Rasmussen wrote:
> Hi,
> 
> The scheduler is currently not doing much to help performance on systems with
> asymmetric compute capacities (read ARM big.LITTLE). This series improves the
> situation with a few tweaks mainly to the task wake-up path that considers
> compute capacity at wake-up and not just whether a cpu is idle for these
> systems. This gives us consistent, and potentially higher, throughput in
> partially utilized scenarios. SMP behaviour and performance should be
> unaffected.

Peter, Vincent: Any chance you have time for another look?

Thanks,
Morten