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-rw-r--r--tools/perf/util/callchain.h11
1 files changed, 9 insertions, 2 deletions
diff --git a/tools/perf/util/callchain.h b/tools/perf/util/callchain.h
index e9bd5e882f3..dfa56008d9a 100644
--- a/tools/perf/util/callchain.h
+++ b/tools/perf/util/callchain.h
@@ -6,15 +6,21 @@
#include <linux/rbtree.h>
#include "symbol.h"
+enum chain_mode {
+ FLAT,
+ GRAPH
+};
struct callchain_node {
struct callchain_node *parent;
struct list_head brothers;
struct list_head children;
struct list_head val;
- struct rb_node rb_node;
+ struct rb_node rb_node; /* to sort nodes in an rbtree */
+ struct rb_root rb_root; /* sorted tree of children */
unsigned int val_nr;
u64 hit;
+ u64 cumul_hit; /* hit + hits of children */
};
struct callchain_list {
@@ -32,5 +38,6 @@ static inline void callchain_init(struct callchain_node *node)
void append_chain(struct callchain_node *root, struct ip_callchain *chain,
struct symbol **syms);
-void sort_chain_to_rbtree(struct rb_root *rb_root, struct callchain_node *node);
+void sort_chain_flat(struct rb_root *rb_root, struct callchain_node *node);
+void sort_chain_graph(struct rb_root *rb_root, struct callchain_node *node);
#endif