append_chain_children  971 tools/perf/util/callchain.c 	if (append_chain_children(root, cursor, period) < 0)
append_chain_children  986 tools/perf/util/callchain.c 	if (append_chain_children(&root->node, cursor, period) < 0)
append_chain_children 1017 tools/perf/util/callchain.c 		if (append_chain_children(dst, cursor, src->hit) < 0)