Merge branch 'perf/parse-events-4' of git://github.com/fweisbec/tracing into perf/core

Conflicts:
	tools/perf/Makefile

This tree from Frederic unifies the perf and trace-cmd trace event format
parsing code into a single library.

Powertop and other tools will also be able to make use of it.

Signed-off-by: Ingo Molnar <mingo@kernel.org>