Merge tag 'libtraceevent-core-for-acme' of git://git.kernel.org/pub/s…

…cm/linux/kernel/git/namhyung/linux-perf into perf/core

libtraceevent/core improvements

* Remaining backport of trace-cmd's libparseevent

Signed-off-by: Namhyung Kim <namhyung@kernel.org>
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>