1 files changed, 15 insertions, 6 deletions

diff --git a/tools/perf/util/callchain.h b/tools/perf/util/callchain.h
index f3e4776e7430..7812122bea1d 100644
--- a/tools/perf/util/callchain.h
+++ b/tools/perf/util/callchain.h
@@ -7,8 +7,9 @@
 #include "symbol.h"
 
 enum chain_mode {
-        FLAT,
-        GRAPH
+        CHAIN_FLAT,
+        CHAIN_GRAPH_ABS,
+        CHAIN_GRAPH_REL
 };
 
 struct callchain_node {
@@ -23,6 +24,17 @@ struct callchain_node {
         u64                     cumul_hit; /* hit + hits of children */
 };
 
+struct callchain_param;
+
+typedef void (*sort_chain_func_t)(struct rb_root *, struct callchain_node *,
+                                 u64, struct callchain_param *);
+
+struct callchain_param {
+        enum chain_mode         mode;
+        double                  min_percent;
+        sort_chain_func_t       sort;
+};
+
 struct callchain_list {
         u64                     ip;
         struct symbol           *sym;
@@ -36,10 +48,7 @@ static inline void callchain_init(struct callchain_node *node)
         INIT_LIST_HEAD(&node->val);
 }
 
+int register_callchain_param(struct callchain_param *param);
 void append_chain(struct callchain_node *root, struct ip_callchain *chain,
                   struct symbol **syms);
-void sort_chain_flat(struct rb_root *rb_root, struct callchain_node *node,
-                     u64 min_hit);
-void sort_chain_graph(struct rb_root *rb_root, struct callchain_node *node,
-                      u64 min_hit);
 #endif