linux-kernel - Re: [PATCH 05/12] time: Add debugging checks to warn if we see delays

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Message-ID: <1425720156.24292.289.camel@x220>
Date:	Sat, 07 Mar 2015 10:22:36 +0100
From:	Paul Bolle <pebolle@...cali.nl>
To:	John Stultz <john.stultz@...aro.org>
Cc:	lkml <linux-kernel@...r.kernel.org>,
	Dave Jones <davej@...emonkey.org.uk>,
	Linus Torvalds <torvalds@...ux-foundation.org>,
	Thomas Gleixner <tglx@...utronix.de>,
	Richard Cochran <richardcochran@...il.com>,
	Prarit Bhargava <prarit@...hat.com>,
	Stephen Boyd <sboyd@...eaurora.org>,
	Ingo Molnar <mingo@...nel.org>,
	Peter Zijlstra <peterz@...radead.org>
Subject: Re: [PATCH 05/12] time: Add debugging checks to warn if we see
 delays

On Fri, 2015-03-06 at 18:49 -0800, John Stultz wrote:
> +config DEBUG_TIMEKEEPING
> +	bool "Enable extra timekeeping sanity checking"
> +	help
> +	  This option will enable additional timekeeping sanity checks
> +	  which may be helpful when diagnoising issues where timekeeping

diagnoise, verb:
	to diagnose a problem by generating a large amount of data
	see also: printk debugging

> +	  problems are suspected.
> +
> +	  This may include checks in the timekeeping hotpaths, so this
> +	  option may have a performance impact to some workloads.
> +
> +	  If unsure, say N.
> +



Paul Bolle

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