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-rw-r--r--tools/perf/util/hist.h2
1 files changed, 2 insertions, 0 deletions
diff --git a/tools/perf/util/hist.h b/tools/perf/util/hist.h
index 7e4d4c262213..a7ea28a1d502 100644
--- a/tools/perf/util/hist.h
+++ b/tools/perf/util/hist.h
@@ -205,4 +205,6 @@ int perf_evlist__gtk_browse_hists(struct perf_evlist *evlist __maybe_unused,
unsigned int hists__sort_list_width(struct hists *self);
+double perf_diff__compute_delta(struct hist_entry *he);
+double perf_diff__compute_ratio(struct hist_entry *he);
#endif /* __PERF_HIST_H */