perf tools: Move event__parse_sample to evsel.c

To avoid linking more stuff in the python binding I'm working on, future
csets will make the sample type be taken from the evsel itself, but for
that we need to first have one file per cpu and per sample_type, not a
single perf.data file.

Cc: Frederic Weisbecker <fweisbec@gmail.com>
Cc: Ingo Molnar <mingo@elte.hu>
Cc: Mike Galbraith <efault@gmx.de>
Cc: Paul Mackerras <paulus@samba.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Stephane Eranian <eranian@google.com>
Cc: Tom Zanussi <tzanussi@gmail.com>
LKML-Reference: <new-submission>
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>

tools/perf/util/session.h

@@ -155,4 +155,13 @@ size_t perf_session__fprintf_nr_events(struct perf_session *self, FILE *fp)
 {
 	return hists__fprintf_nr_events(&self->hists, fp);
 }
+
+static inline int perf_session__parse_sample(struct perf_session *session,
+					     const event_t *event,
+					     struct sample_data *sample)
+{
+	return event__parse_sample(event, session->sample_type,
+				   session->sample_id_all, sample);
+}
+
 #endif /* __PERF_SESSION_H */