u64 *branch_count, u64 *predicted_count,
u64 *abort_count, u64 *cycles_count);
-void callchain_param_setup(u64 sample_type);
+void callchain_param_setup(u64 sample_type, const char *arch);
bool callchain_cnode_matched(struct callchain_node *base_cnode,
struct callchain_node *pair_cnode);