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Date:	Fri, 18 Jul 2014 09:27:52 +0800
From:	Yuyang Du <>
To:	Dietmar Eggemann <>
Cc:	Vincent Guittot <>,
	Peter Zijlstra <>,
	Ingo Molnar <>,
	linux-kernel <>,
	Russell King - ARM Linux <>,
	LAK <>,
	Preeti U Murthy <>,
	Morten Rasmussen <>,
	Mike Galbraith <>,
	Nicolas Pitre <>,
	"" <>,
	Daniel Lezcano <>
Subject: Re: [PATCH v3 09/12] Revert "sched: Put rq's sched_avg under

On Mon, Jul 14, 2014 at 06:54:11PM +0100, Dietmar Eggemann wrote:
> __update_entity_runnable_avg() has an additional parameter 'running' so
> that it can be called for
> a) sched_entities in update_entity_load_avg():
>   __update_entity_runnable_avg(..., se->on_rq, cfs_rq->curr == se))
> b) rq's in update_rq_runnable_avg():
>   __update_entity_runnable_avg(..., runnable, runnable);
> I can see how it gives us two different signals for a sched_entity but
> for a rq?
For rq, 

__update_entity_runnable_avg(..., runnable, runnable > 0)

Then, first one would be effectively CPU ConCurrency (fair and !fair) and
second one would be CPU (has task) running (or about CPU utilization for
fair and !fair), :)

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