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Date:	Thu, 10 Jul 2014 15:16:46 +0200
From:	Peter Zijlstra <>
To:	Vincent Guittot <>
Subject: Re: [PATCH v3 09/12] Revert "sched: Put rq's sched_avg under

On Mon, Jun 30, 2014 at 06:05:40PM +0200, Vincent Guittot wrote:
> This reverts commit f5f9739d7a0ccbdcf913a0b3604b134129d14f7e.
> We are going to use runnable_avg_sum and runnable_avg_period in order to get
> the utilization of the CPU. This statistic includes all tasks that run the CPU
> and not only CFS tasks.

But this rq->avg is not the one that is migration aware, right? So why
use this?

We already compensate cpu_capacity for !fair tasks, so I don't see why
we can't use the migration aware one (and kill this one as Yuyang keeps
proposing) and compensate with the capacity factor.
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