linux-kernel - Re: [PATCH 2/2] sched: add statistic for rq->max_idle_balance

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Message-ID: <CAGQ1y=4rgj8qPeKQhNTA5__VzrOQ1uCqFZrVLO3MO9MfL+6UEg@mail.gmail.com>
Date:	Mon, 20 Jan 2014 23:43:24 -0800
From:	Jason Low <jason.low2@...com>
To:	Alex Shi <alex.shi@...aro.org>
Cc:	Ingo Molnar <mingo@...hat.com>,
	Peter Zijlstra <peterz@...radead.org>,
	morten.rasmussen@....com, vincent.guittot@...aro.org,
	daniel.lezcano@...aro.org, Mike Galbraith <efault@....de>,
	wangyun@...ux.vnet.ibm.com,
	Linux Kernel Mailing List <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH 2/2] sched: add statistic for rq->max_idle_balance_cost

On Mon, Jan 20, 2014 at 9:33 PM, Alex Shi <alex.shi@...aro.org> wrote:
> It's useful to track this value in debug mode.
>
> Signed-off-by: Alex Shi <alex.shi@...aro.org>
> ---
>  kernel/sched/debug.c | 1 +
>  1 file changed, 1 insertion(+)
>
> diff --git a/kernel/sched/debug.c b/kernel/sched/debug.c
> index 1e43e70..f5c529a 100644
> --- a/kernel/sched/debug.c
> +++ b/kernel/sched/debug.c
> @@ -315,6 +315,7 @@ do {                                                                        \
>         P(sched_goidle);
>  #ifdef CONFIG_SMP
>         P64(avg_idle);
> +       p64(max_idle_balance_cost);

Hi Alex,

Does this need to be P64(max_idle_balance_cost)?
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