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RE: [PATCH] sched: don't output cpu sched info by default

From "Zhang, Yanmin" <yanmin.zhang@intel.com>
Newsgroups linux.kernel
Subject RE: [PATCH] sched: don't output cpu sched info by default
Date 2016-04-26 03:10 +0200
Message-ID <rrZFM-7e1-13@gated-at.bofh.it> (permalink)
References <rrGMO-8iX-3@gated-at.bofh.it> <rrMpd-4ls-23@gated-at.bofh.it>
Organization linux.* mail to news gateway

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Thanks for the pointer. We didn't notice that. That patch also
fixes the issue indeed.

Yanmin

-----Original Message-----
From: Afzal Mohammed [mailto:afzal.mohd.ma@gmail.com] 
Sent: Monday, April 25, 2016 6:50 PM
To: Zhang, LongX
Cc: mingo@redhat.com; peterz@infradead.org; linux-kernel@vger.kernel.org; Zhang, Yanmin
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

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Thread

[PATCH] sched: don't output cpu sched info by default Zhang Long <longx.zhang@intel.com> - 2016-04-25 07:00 +0200
  Re: [PATCH] sched: don't output cpu sched info by default Afzal Mohammed <afzal.mohd.ma@gmail.com> - 2016-04-25 13:00 +0200
    RE: [PATCH] sched: don't output cpu sched info by default "Zhang, Yanmin" <yanmin.zhang@intel.com> - 2016-04-26 03:10 +0200
    RE: [PATCH] sched: don't output cpu sched info by default "Zhang, Yanmin" <yanmin.zhang@intel.com> - 2016-04-26 08:40 +0200

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