1 files changed, 25 insertions, 2 deletions
diff --git a/tools/perf/util/evsel.h b/tools/perf/util/evsel.h
index f1b325665aa..a52e9a5bb2d 100644
--- a/tools/perf/util/evsel.h
+++ b/tools/perf/util/evsel.h
@@ -5,12 +5,12 @@
 #include <stdbool.h>
 #include <stddef.h>
 #include <linux/perf_event.h>
-#include "types.h"
+#include <linux/types.h>
 #include "xyarray.h"
 #include "cgroup.h"
 #include "hist.h"
 #include "symbol.h"
- 
+
 struct perf_counts_values {
 	union {
 		struct {
@@ -91,6 +91,11 @@ struct perf_evsel {
 	char			*group_name;
 };
 
+union u64_swap {
+	u64 val64;
+	u32 val32[2];
+};
+
 #define hists_to_evsel(h) container_of(h, struct perf_evsel, hists)
 
 struct cpu_map;
@@ -315,6 +320,24 @@ static inline bool perf_evsel__is_group_event(struct perf_evsel *evsel)
 	return perf_evsel__is_group_leader(evsel) && evsel->nr_members > 1;
 }
 
+/**
+ * perf_evsel__is_function_event - Return whether given evsel is a function
+ * trace event
+ *
+ * @evsel - evsel selector to be tested
+ *
+ * Return %true if event is function trace event
+ */
+static inline bool perf_evsel__is_function_event(struct perf_evsel *evsel)
+{
+#define FUNCTION_EVENT "ftrace:function"
+
+	return evsel->name &&
+	       !strncmp(FUNCTION_EVENT, evsel->name, sizeof(FUNCTION_EVENT));
+
+#undef FUNCTION_EVENT
+}
+
 struct perf_attr_details {
 	bool freq;
 	bool verbose;