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Cool Hand Linux -- Thermal Extensions for Linux Handhelds

Len Brown (len.brown@intel.com)

Linux has traditionally been centered around processor performance and power consumption. Thermal management has been a secondary concern -- occasionally used for fan speed control, sometimes for processor throttling, and once in rare while for an emergency thermal shutdown.

Handheld devices change the rules. Skin temperature is the dominant metric, the processor may be a minority player in heat generation, and there are no fans.

This paper describes extensions to Linux thermal management to meet the challenges of handheld devices.

Attendees interested in Linux mobile devices and thermal management will be interested. No in-depth knowledge of either topic is necessary to understand and benefit from this presentation.