From: Afzal Mohammed <afzal.mohd.ma@gmail.com>
To: Zhang Long <longx.zhang@intel.com>
Cc: mingo@redhat.com, peterz@infradead.org,
linux-kernel@vger.kernel.org, "Zhang,
Yanmin" <yanmin.zhang@intel.com>
Subject: Re: [PATCH] sched: don't output cpu sched info by default
Date: Mon, 25 Apr 2016 16:19:48 +0530 [thread overview]
Message-ID: <20160425104948.GA4637@afzalpc> (raw)
In-Reply-To: <571DA569.5040701@intel.com>
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
next prev parent reply other threads:[~2016-04-25 10:50 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2016-04-25 5:04 [PATCH] sched: don't output cpu sched info by default Zhang Long
2016-04-25 10:49 ` Afzal Mohammed [this message]
2016-04-26 1:04 ` Zhang, Yanmin
2016-04-26 6:39 ` Zhang, Yanmin
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