Re: [linux-pm] [RFC PATCH] thermal: Add support to report coolingstatistics achieved by cooling devices

From: Pavel Machek
Date: Mon Feb 06 2012 - 11:56:59 EST


> 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.

(cesky, pictures)
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