linux-kernel - Re: [PATCHv2 5/5] cpuidle: coupled: add trace events

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Message-ID: <4F8288C8.50507@ti.com>
Date:	Mon, 09 Apr 2012 12:29:20 +0530
From:	Santosh Shilimkar <santosh.shilimkar@...com>
To:	Colin Cross <ccross@...roid.com>
CC:	linux-kernel@...r.kernel.org, linux-arm-kernel@...ts.infradead.org,
	linux-pm@...ts.linux-foundation.org, Kevin Hilman <khilman@...com>,
	Len Brown <len.brown@...el.com>,
	Trinabh Gupta <g.trinabh@...il.com>,
	Arjan van de Ven <arjan@...ux.intel.com>,
	Deepthi Dharwar <deepthi@...ux.vnet.ibm.com>,
	Greg Kroah-Hartman <gregkh@...e.de>,
	Kay Sievers <kay.sievers@...y.org>,
	Daniel Lezcano <daniel.lezcano@...aro.org>,
	Amit Kucheria <amit.kucheria@...aro.org>,
	Lorenzo Pieralisi <lorenzo.pieralisi@....com>
Subject: Re: [PATCHv2 5/5] cpuidle: coupled: add trace events

On Wednesday 14 March 2012 11:59 PM, Colin Cross wrote:
> Adds trace events to allow debugging of coupled cpuidle.
> Can be used to verify cpuidle performance, including time spent
> spinning and time spent in safe states.  Not intended for merging.
> 
> Signed-off-by: Colin Cross <ccross@...roid.com>
> ---
I found the trace events quite useful for debug and also to monitor
the cpuidle performance.

I guess we should add these trace events to the core code unless
and until there is a strong reason not to do so.

Regards
Santosh
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