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What:		/sys/bus/coresight/devices/<memory_map>.etm/enable_source
Date:		April 2015
KernelVersion:  4.01
Contact:        Mathieu Poirier <mathieu.poirier@linaro.org>
Description:	(RW) Enable/disable tracing on this specific trace entiry.
		Enabling a source implies the source has been configured
		properly and a sink has been identidifed for it.  The path
		of coresight components linking the source to the sink is
		configured and managed automatically by the coresight framework.

What:		/sys/bus/coresight/devices/<memory_map>.etm/cpu
Date:		April 2015
KernelVersion:	4.01
Contact:	Mathieu Poirier <mathieu.poirier@linaro.org>
Description:	(R) The CPU this tracing entity is associated with.