376 	if (he->parent_he) {  in hists__delete_entry()
377 		root_in  = &he->parent_he->hroot_in;  in hists__delete_entry()
378 		root_out = &he->parent_he->hroot_out;  in hists__delete_entry()
1441 	struct hist_entry *parent = he->parent_he;  in hist_entry__check_and_remove_filter()
1485 				parent = parent->parent_he;  in hist_entry__check_and_remove_filter()
1522 						 struct hist_entry *parent_he,  in hierarchy_insert_entry()  argument
1557 	new->parent_he = parent_he;  in hierarchy_insert_entry()
2058 		he = he->parent_he;  in __rb_hierarchy_next()
2075 	he = he->parent_he;  in rb_hierarchy_prev()
2113 		struct hist_entry *parent = h->parent_he;  in hists__remove_entry_filter()
2129 			parent = parent->parent_he;  in hists__remove_entry_filter()
2612 			leader->parent_he = parent;  in hists__link_hierarchy()