1 files changed, 15 insertions, 0 deletions
diff --git a/tools/perf/util/sort.h b/tools/perf/util/sort.h
index 5786f323b597..337aeefa2451 100644
--- a/tools/perf/util/sort.h
+++ b/tools/perf/util/sort.h
@@ -52,6 +52,19 @@ struct he_stat {
 	u32			nr_events;
 };
 
+struct hist_entry_diff {
+	bool	computed;
+
+	/* PERF_HPP__DISPL */
+	int	displacement;
+
+	/* PERF_HPP__DELTA */
+	double	period_ratio_delta;
+
+	/* PERF_HPP__RATIO */
+	double	period_ratio;
+};
+
 /**
  * struct hist_entry - histogram entry
  *
@@ -67,6 +80,8 @@ struct hist_entry {
 	u64			ip;
 	s32			cpu;
 
+	struct hist_entry_diff	diff;
+
 	/* XXX These two should move to some tree widget lib */
 	u16			row_offset;
 	u16			nr_rows;