linux-kernel - Re: [RFC PATCH 4/4] sched/nohz_full: give correct cpu load for nohz

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Message-ID: <52949B2D.3090208@linaro.org>
Date:	Tue, 26 Nov 2013 20:59:25 +0800
From:	Alex Shi <alex.shi@...aro.org>
To:	mingo@...hat.com, peterz@...radead.org, morten.rasmussen@....com,
	vincent.guittot@...aro.org, daniel.lezcano@...aro.org,
	fweisbec@...il.com, linux@....linux.org.uk, tony.luck@...el.com,
	fenghua.yu@...el.com, tglx@...utronix.de,
	akpm@...ux-foundation.org, arjan@...ux.intel.com, pjt@...gle.com,
	fengguang.wu@...el.com
CC:	james.hogan@...tec.com, alex.shi@...aro.org, jason.low2@...com,
	gregkh@...uxfoundation.org, hanjun.guo@...aro.org,
	linux-kernel@...r.kernel.org
Subject: Re: [RFC PATCH 4/4] sched/nohz_full: give correct cpu load for nohz_full
 cpu

On 11/22/2013 02:37 PM, Alex Shi wrote:
> When a nohz_full cpu in tickless mode, it may update cpu_load in
> following chain:
> __tick_nohz_full_check
>     tick_nohz_restart_sched_tick
>         update_cpu_load_nohz
> then it will be set a incorrect cpu_load: 0.
> This patch try to fix it and give it the correct cpu_load value.

Frederic,

Would you like to give some comments on this patch?


-- 
Thanks
    Alex
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