perf tools: Export perf_event_attr__set_max_precise_ip()

It'll be used in following patch.
Signed-off-by: Jiri Olsa <jolsa@kernel.org>
Cc: David Ahern <dsahern@gmail.com>
Cc: Don Zickus <dzickus@redhat.com>
Cc: Kan Liang <kan.liang@intel.com>
Cc: Namhyung Kim <namhyung@kernel.org>
Cc: Peter Zijlstra <a.p.zijlstra@chello.nl>
Link: http://lkml.kernel.org/r/1444068369-20978-5-git-send-email-jolsa@kernel.orgSigned-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>

tools/perf/util/evlist.c

@@ -205,7 +205,7 @@ void perf_evlist__set_leader(struct perf_evlist *evlist)
 	}
 }
 
-static void perf_event_attr__set_max_precise_ip(struct perf_event_attr *attr)
+void perf_event_attr__set_max_precise_ip(struct perf_event_attr *attr)
 {
 	attr->precise_ip = 3;
 

tools/perf/util/evlist.h

@@ -290,4 +290,6 @@ void perf_evlist__to_front(struct perf_evlist *evlist,
 
 void perf_evlist__set_tracking_event(struct perf_evlist *evlist,
 				     struct perf_evsel *tracking_evsel);
+
+void perf_event_attr__set_max_precise_ip(struct perf_event_attr *attr);
 #endif /* __PERF_EVLIST_H */