Steven Rostedt (Red Hat) 6adc13f8c0 tracing: Add TRACE_EVENT_FN example
If a function should be called before a tracepoint is enabled
and/or after it is disabled, the TRACE_EVENT_FN() serves this
purpose. But it is not well documented. Having it as a sample would
help developers to know how to use it.

Signed-off-by: Steven Rostedt <rostedt@goodmis.org>
2015-02-09 18:05:39 -05:00
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