1 files changed, 6 insertions, 0 deletions

diff --git a/tools/perf/util/callchain.h b/tools/perf/util/callchain.h
index 1a79df9f739..9b4ff16cac9 100644
--- a/tools/perf/util/callchain.h
+++ b/tools/perf/util/callchain.h
@@ -14,6 +14,11 @@ enum chain_mode {
         CHAIN_GRAPH_REL
 };
 
+enum chain_order {
+        ORDER_CALLER,
+        ORDER_CALLEE
+};
+
 struct callchain_node {
         struct callchain_node   *parent;
         struct list_head        siblings;
@@ -41,6 +46,7 @@ struct callchain_param {
         u32                     print_limit;
         double                  min_percent;
         sort_chain_func_t       sort;
+        enum chain_order        order;
 };
 
 struct callchain_list {