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Message-ID: <20120206165658.GA28687@atrey.karlin.mff.cuni.cz>
Date: Mon, 6 Feb 2012 17:56:58 +0100
From: Pavel Machek <pavel@....cz>
To: Amit Daniel Kachhap <amit.kachhap@...aro.org>
Cc: linux-pm@...ts.linux-foundation.org, linaro-dev@...ts.linaro.org,
patches@...aro.org, linux-kernel@...r.kernel.org,
linux-acpi@...r.kernel.org, rob.lee@...aro.org,
Greg KH <greg@...ah.com>
Subject: Re: [linux-pm] [RFC PATCH] thermal: Add support to report cooling
statistics achieved by cooling devices
Hi!
> Add a sysfs node code to report effective cooling of all cooling devices
> attached to each trip points of a thermal zone. The cooling data reported
> will be absolute if the higher temperature trip points are arranged first
> otherwise the cooling stats is the cumulative effect of the earlier
> invoked cooling handlers.
>
> The basic assumption is that cooling devices will bring down the temperature
> in a symmetric manner and those statistics can be stored back and used for
> further tuning of the system.
/sys fs should be one-value-per-file, talk to gregkh.
--
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