1 files changed, 5 insertions, 0 deletions

diff --git a/tools/perf/util/hist.h b/tools/perf/util/hist.h
index 16f360cce5bf..fe366ce5db45 100644
--- a/tools/perf/util/hist.h
+++ b/tools/perf/util/hist.h
@@ -18,6 +18,11 @@ struct hist_entry *__perf_session__add_hist_entry(struct rb_root *hists,
                                                   u64 count, bool *hit);
 extern int64_t hist_entry__cmp(struct hist_entry *, struct hist_entry *);
 extern int64_t hist_entry__collapse(struct hist_entry *, struct hist_entry *);
+size_t hist_entry__fprintf(struct hist_entry *self,
+                           struct perf_session *pair_session,
+                           bool show_displacement,
+                           long displacement, FILE *fp,
+                           u64 session_total);
 void hist_entry__free(struct hist_entry *);
 
 void perf_session__output_resort(struct rb_root *hists, u64 total_samples);