1 files changed, 2 insertions, 2 deletions

diff --git a/tools/perf/util/session.h b/tools/perf/util/session.h
index a8f3a49ca43a..4e8a21c5304c 100644
--- a/tools/perf/util/session.h
+++ b/tools/perf/util/session.h
@@ -19,6 +19,7 @@ struct perf_session {
         struct rb_root          threads;
         struct thread           *last_match;
         struct rb_root          hists;
+        u64                     sample_type;
         int                     fd;
         int                     cwdlen;
         char                    *cwd;
@@ -39,8 +40,7 @@ struct perf_event_ops {
         event_op        process_read_event;
         event_op        process_throttle_event;
         event_op        process_unthrottle_event;
-        int             (*sample_type_check)(u64 sample_type,
-                                             struct perf_session *session);
+        int             (*sample_type_check)(struct perf_session *session);
         unsigned long   total_unknown;
         bool            full_paths;
 };