1 files changed, 18 insertions, 11 deletions

diff --git a/tools/perf/util/header.h b/tools/perf/util/header.h
index a0761bc7863c..2ea9dfb1236a 100644
--- a/tools/perf/util/header.h
+++ b/tools/perf/util/header.h
@@ -1,10 +1,12 @@
-#ifndef _PERF_HEADER_H
-#define _PERF_HEADER_H
+#ifndef __PERF_HEADER_H
+#define __PERF_HEADER_H
 
 #include "../../../include/linux/perf_event.h"
 #include <sys/types.h>
 #include "types.h"
 
+#include <linux/bitmap.h>
+
 struct perf_header_attr {
         struct perf_event_attr attr;
         int ids, size;
@@ -12,15 +14,20 @@ struct perf_header_attr {
         off_t id_offset;
 };
 
+#define HEADER_TRACE_INFO                       1
+
+#define HEADER_FEAT_BITS                        256
+
 struct perf_header {
-        int frozen;
-        int attrs, size;
+        int                     frozen;
+        int                     attrs, size;
         struct perf_header_attr **attr;
-        s64 attr_offset;
-        u64 data_offset;
-        u64 data_size;
-        u64 event_offset;
-        u64 event_size;
+        s64                     attr_offset;
+        u64                     data_offset;
+        u64                     data_size;
+        u64                     event_offset;
+        u64                     event_size;
+        DECLARE_BITMAP(adds_features, HEADER_FEAT_BITS);
 };
 
 struct perf_header *perf_header__read(int fd);
@@ -40,8 +47,8 @@ void perf_header_attr__add_id(struct perf_header_attr *self, u64 id);
 u64 perf_header__sample_type(struct perf_header *header);
 struct perf_event_attr *
 perf_header__find_attr(u64 id, struct perf_header *header);
-
+void perf_header__feat_trace_info(struct perf_header *header);
 
 struct perf_header *perf_header__new(void);
 
-#endif /* _PERF_HEADER_H */
+#endif /* __PERF_HEADER_H */