diff --git a/tools/perf/ui/hist.c b/tools/perf/ui/hist.c
index 9cda51edfdbd..8075d4cc54a8 100644
--- a/tools/perf/ui/hist.c
+++ b/tools/perf/ui/hist.c
@@ -548,15 +548,15 @@ static bool fmt_equal(struct perf_hpp_fmt *a, struct perf_hpp_fmt *b)
 	return a->equal && a->equal(a, b);
 }
 
-void perf_hpp__setup_output_field(void)
+void perf_hpp__setup_output_field(struct perf_hpp_list *list)
 {
 	struct perf_hpp_fmt *fmt;
 
 	/* append sort keys to output field */
-	perf_hpp_list__for_each_sort_list(&perf_hpp_list, fmt) {
+	perf_hpp_list__for_each_sort_list(list, fmt) {
 		struct perf_hpp_fmt *pos;
 
-		perf_hpp_list__for_each_format(&perf_hpp_list, pos) {
+		perf_hpp_list__for_each_format(list, pos) {
 			if (fmt_equal(fmt, pos))
 				goto next;
 		}
@@ -567,15 +567,15 @@ next:
 	}
 }
 
-void perf_hpp__append_sort_keys(void)
+void perf_hpp__append_sort_keys(struct perf_hpp_list *list)
 {
 	struct perf_hpp_fmt *fmt;
 
 	/* append output fields to sort keys */
-	perf_hpp_list__for_each_format(&perf_hpp_list, fmt) {
+	perf_hpp_list__for_each_format(list, fmt) {
 		struct perf_hpp_fmt *pos;
 
-		perf_hpp_list__for_each_sort_list(&perf_hpp_list, pos) {
+		perf_hpp_list__for_each_sort_list(list, pos) {
 			if (fmt_equal(fmt, pos))
 				goto next;
 		}
@@ -586,25 +586,26 @@ next:
 	}
 }
 
+
 static void fmt_free(struct perf_hpp_fmt *fmt)
 {
 	if (fmt->free)
 		fmt->free(fmt);
 }
 
-void perf_hpp__reset_output_field(void)
+void perf_hpp__reset_output_field(struct perf_hpp_list *list)
 {
 	struct perf_hpp_fmt *fmt, *tmp;
 
 	/* reset output fields */
-	perf_hpp_list__for_each_format_safe(&perf_hpp_list, fmt, tmp) {
+	perf_hpp_list__for_each_format_safe(list, fmt, tmp) {
 		list_del_init(&fmt->list);
 		list_del_init(&fmt->sort_list);
 		fmt_free(fmt);
 	}
 
 	/* reset sort keys */
-	perf_hpp_list__for_each_sort_list_safe(&perf_hpp_list, fmt, tmp) {
+	perf_hpp_list__for_each_sort_list_safe(list, fmt, tmp) {
 		list_del_init(&fmt->list);
 		list_del_init(&fmt->sort_list);
 		fmt_free(fmt);
diff --git a/tools/perf/util/hist.h b/tools/perf/util/hist.h
index 61d35a9f928b..a39c9c1159ff 100644
--- a/tools/perf/util/hist.h
+++ b/tools/perf/util/hist.h
@@ -279,9 +279,10 @@ enum {
 void perf_hpp__init(void);
 void perf_hpp__column_unregister(struct perf_hpp_fmt *format);
 void perf_hpp__cancel_cumulate(void);
-void perf_hpp__setup_output_field(void);
-void perf_hpp__reset_output_field(void);
-void perf_hpp__append_sort_keys(void);
+void perf_hpp__setup_output_field(struct perf_hpp_list *list);
+void perf_hpp__reset_output_field(struct perf_hpp_list *list);
+void perf_hpp__append_sort_keys(struct perf_hpp_list *list);
+
 
 bool perf_hpp__is_sort_entry(struct perf_hpp_fmt *format);
 bool perf_hpp__is_dynamic_entry(struct perf_hpp_fmt *format);
diff --git a/tools/perf/util/sort.c b/tools/perf/util/sort.c
index 1e134ff56ad4..de620f7f40f4 100644
--- a/tools/perf/util/sort.c
+++ b/tools/perf/util/sort.c
@@ -2636,9 +2636,9 @@ int setup_sorting(struct perf_evlist *evlist)
 		return err;
 
 	/* copy sort keys to output fields */
-	perf_hpp__setup_output_field();
+	perf_hpp__setup_output_field(&perf_hpp_list);
 	/* and then copy output fields to sort keys */
-	perf_hpp__append_sort_keys();
+	perf_hpp__append_sort_keys(&perf_hpp_list);
 
 	return 0;
 }
@@ -2654,5 +2654,5 @@ void reset_output_field(void)
 	sort_order = NULL;
 
 	reset_dimensions();
-	perf_hpp__reset_output_field();
+	perf_hpp__reset_output_field(&perf_hpp_list);
 }