1 files changed, 1 insertions, 0 deletions

diff --git a/tools/perf/util/hist.h b/tools/perf/util/hist.h
index 7efdb1b6d8c8..c7ac78d93b0c 100644
--- a/tools/perf/util/hist.h
+++ b/tools/perf/util/hist.h
@@ -21,5 +21,6 @@ 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);
 
 #endif  /* __PERF_HIST_H */