linux-kernel - Re: [PATCH] sched: don't output cpu sched info by default

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Message-ID: <20160425104948.GA4637@afzalpc>
Date:	Mon, 25 Apr 2016 16:19:48 +0530
From:	Afzal Mohammed <afzal.mohd.ma@...il.com>
To:	Zhang Long <longx.zhang@...el.com>
Cc:	mingo@...hat.com, peterz@...radead.org,
	linux-kernel@...r.kernel.org,
	"Zhang, Yanmin" <yanmin.zhang@...el.com>
Subject: Re: [PATCH] sched: don't output cpu sched info by default

Hi,

On Mon, Apr 25, 2016 at 01:04:41PM +0800, Zhang Long wrote:

> Android userspace debug prcoess might dump system info by sysrq.
> One info is of cpu sched. Usually, one thread has one line dump.
> Such log is huge sometimes and such dumping spends lots of time
> and make the system worse. Sometimes, watchdog resets the system
> in the end.
> 
> The patch fixes it by dumping cpu sched info only when
> sched_debug_enabled is true.

Doesn't "sched: don't dump sched debug info in SysRq-W" currently in
tip/sched/core help ?,

http://lkml.kernel.org/r/1459777322-30902-1-git-send-email-rabin.vincent@axis.com

Regards
afzal