linux-kernel - Re: [PATCH v1] sched: steer waking task to empty cfs

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Message-ID: <1335286696.28150.206.camel@twins>
Date:	Tue, 24 Apr 2012 18:58:16 +0200
From:	Peter Zijlstra <peterz@...radead.org>
To:	Srivatsa Vaddagiri <vatsa@...ux.vnet.ibm.com>
Cc:	Ingo Molnar <mingo@...e.hu>, Mike Galbraith <efault@....de>,
	Suresh Siddha <suresh.b.siddha@...el.com>,
	Paul Turner <pjt@...gle.com>, linux-kernel@...r.kernel.org
Subject: Re: [PATCH v1] sched: steer waking task to empty cfs_rq for better
 latencies

On Tue, 2012-04-24 at 22:26 +0530, Srivatsa Vaddagiri wrote:
> Steer a waking task towards a cpu where its cgroup has zero tasks (in
> order to provide it better sleeper credits and hence reduce its wakeup
> latency). 

That's just vile.. pjt could you post your global vruntime stuff so
vatsa can have a go at that?
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