greybus: tracing: define connection traces

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Define a new gb_connection trace point event class, used to trace
events associated with the connection abstraction.  Define four basic
trace events for this--creation, drop of last reference, and when
adding or dropping any other reference.  There are certainly
more events that we might want to add, but aim is to just get the
basic framework in place.

Signed-off-by: Alex Elder <elder@linaro.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@google.com>

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Alex Elder 2016-06-03 15:55:37 -05:00 • committed by Greg Kroah-Hartman

parent 4f9c5c0bbb

commit 79c8c64942

2 changed files with 96 additions and 0 deletions

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21

drivers/staging/greybus/connection.c

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75

drivers/staging/greybus/greybus_trace.h

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