1 files changed, 3 insertions, 2 deletions

diff --git a/tools/perf/util/hist.h b/tools/perf/util/hist.h
index c7ac78d93b0c..e5f99b24048b 100644
--- a/tools/perf/util/hist.h
+++ b/tools/perf/util/hist.h
@@ -21,6 +21,7 @@ void hist_entry__free(struct hist_entry *);
 
 void perf_session__output_resort(struct perf_session *self, u64 total_samples);
 void perf_session__collapse_resort(struct perf_session *self);
-size_t perf_session__fprintf_hists(struct perf_session *self, FILE *fp);
-
+size_t perf_session__fprintf_hists(struct perf_session *self,
+                                   struct perf_session *pair,
+                                   bool show_displacement, FILE *fp);
 #endif  /* __PERF_HIST_H */