1 files changed, 7 insertions, 3 deletions

diff --git a/tools/perf/util/callchain.h b/tools/perf/util/callchain.h
index ad4626de4c2b..1cba1f5504e7 100644
--- a/tools/perf/util/callchain.h
+++ b/tools/perf/util/callchain.h
@@ -4,6 +4,7 @@
 #include "../perf.h"
 #include <linux/list.h>
 #include <linux/rbtree.h>
+#include "event.h"
 #include "util.h"
 #include "symbol.h"
 
@@ -33,13 +34,14 @@ typedef void (*sort_chain_func_t)(struct rb_root *, struct callchain_node *,
 
 struct callchain_param {
         enum chain_mode         mode;
+        u32                     print_limit;
         double                  min_percent;
         sort_chain_func_t       sort;
 };
 
 struct callchain_list {
         u64                     ip;
-        struct symbol           *sym;
+        struct map_symbol       ms;
         struct list_head        list;
 };
 
@@ -56,6 +58,8 @@ static inline u64 cumul_hits(struct callchain_node *node)
 }
 
 int register_callchain_param(struct callchain_param *param);
-void append_chain(struct callchain_node *root, struct ip_callchain *chain,
-                  struct symbol **syms);
+int append_chain(struct callchain_node *root, struct ip_callchain *chain,
+                 struct map_symbol *syms);
+
+bool ip_callchain__valid(struct ip_callchain *chain, event_t *event);
 #endif  /* __PERF_CALLCHAIN_H */