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The wakeup tracer has three types of function tracers. Normal function tracer, function graph entry, and function graph return. Each of these use a complex dance to prevent recursion and whether to trace the data or not (depending on the wake_task variable). This patch moves the duplicate code into a single routine, to prevent future mistakes with modifying duplicate complex code. Cc: Jiri Olsa <jolsa@redhat.com> Signed-off-by: Steven Rostedt <rostedt@goodmis.org>