2 files changed, 17 insertions, 0 deletions
diff --git a/tools/perf/util/annotate.c b/tools/perf/util/annotate.c
index 7ad6400a0d4f..3bd6f9b0147f 100644
--- a/tools/perf/util/annotate.c
+++ b/tools/perf/util/annotate.c
@@ -2184,6 +2184,20 @@ bool ui__has_annotation(void)
 	return use_browser == 1 && perf_hpp_list.sym;
 }
 
+
+double annotation_line__max_percent(struct annotation_line *al, struct annotation *notes)
+{
+	double percent_max = 0.0;
+	int i;
+
+	for (i = 0; i < notes->nr_events; i++) {
+		if (al->samples[i].percent > percent_max)
+			percent_max = al->samples[i].percent;
+	}
+
+	return percent_max;
+}
+
 int symbol__annotate2(struct symbol *sym, struct map *map, struct perf_evsel *evsel,
 		      struct annotation_options *options, struct arch **parch)
 {
diff --git a/tools/perf/util/annotate.h b/tools/perf/util/annotate.h
index f93c805473f9..83484e236f33 100644
--- a/tools/perf/util/annotate.h
+++ b/tools/perf/util/annotate.h
@@ -124,6 +124,9 @@ bool disasm_line__is_valid_jump(struct disasm_line *dl, struct symbol *sym);
 void disasm_line__free(struct disasm_line *dl);
 struct annotation_line *
 annotation_line__next(struct annotation_line *pos, struct list_head *head);
+
+double annotation_line__max_percent(struct annotation_line *al, struct annotation *notes);
+
 int disasm_line__scnprintf(struct disasm_line *dl, char *bf, size_t size, bool raw);
 size_t disasm__fprintf(struct list_head *head, FILE *fp);
 void symbol__calc_percent(struct symbol *sym, struct perf_evsel *evsel);