34 	if (CHECK(skel, "bpf_iter_test_kern3__open_and_load",  in test_btf_id_or_null()
48 	if (CHECK(IS_ERR(link), "attach_iter", "attach_iter failed\n"))  in do_dummy_read()
52 	if (CHECK(iter_fd < 0, "create_iter", "create_iter failed\n"))  in do_dummy_read()
55 	/* not check contents, but ensure read() ends without error */  in do_dummy_read()
58 	CHECK(len < 0, "read", "read failed: %s\n", strerror(errno));  in do_dummy_read()
71 	if (CHECK(!skel, "bpf_iter_ipv6_route__open_and_load",  in test_ipv6_route()
85 	if (CHECK(!skel, "bpf_iter_netlink__open_and_load",  in test_netlink()
99 	if (CHECK(!skel, "bpf_iter_bpf_map__open_and_load",  in test_bpf_map()
113 	if (CHECK(!skel, "bpf_iter_task__open_and_load",  in test_task()
127 	if (CHECK(!skel, "bpf_iter_task_stack__open_and_load",  in test_task_stack()
148 	if (CHECK(!skel, "bpf_iter_task_file__open_and_load",  in test_task_file()
154 	if (CHECK(pthread_create(&thread_id, NULL, &do_nothing, NULL),  in test_task_file()
160 	if (CHECK(pthread_join(thread_id, &ret) || ret != NULL,  in test_task_file()
164 	CHECK(skel->bss->count != 0, "check_count",  in test_task_file()
185 	if (CHECK(IS_ERR(link), "attach_iter", "attach_iter failed\n"))  in do_btf_read()
189 	if (CHECK(iter_fd < 0, "create_iter", "create_iter failed\n"))  in do_btf_read()
207 	if (CHECK(len < 0, "read", "read failed: %s\n", strerror(errno)))  in do_btf_read()
210 	CHECK(strstr(taskbuf, "(struct task_struct)") == NULL,  in do_btf_read()
211 	      "check for btf representation of task_struct in iter data",  in do_btf_read()
227 	if (CHECK(!skel, "bpf_iter_task_btf__open_and_load",  in test_task_btf()
237 	if (CHECK(bss->tasks == 0, "check if iterated over tasks",  in test_task_btf()
241 	CHECK(bss->seq_err != 0, "check for unexpected err",  in test_task_btf()
253 	if (CHECK(!skel, "bpf_iter_tcp4__open_and_load",  in test_tcp4()
267 	if (CHECK(!skel, "bpf_iter_tcp6__open_and_load",  in test_tcp6()
281 	if (CHECK(!skel, "bpf_iter_udp4__open_and_load",  in test_udp4()
295 	if (CHECK(!skel, "bpf_iter_udp6__open_and_load",  in test_udp6()
315 		if (CHECK(start >= 16, "read", "read len %d\n", len))  in do_read_with_fd()
319 	if (CHECK(len < 0, "read", "read failed: %s\n", strerror(errno)))  in do_read_with_fd()
323 	if (CHECK(err, "read", "incorrect read result: buf %s, expected %s\n",  in do_read_with_fd()
337 	if (CHECK(!skel, "bpf_iter_test_kern1__open_and_load",  in test_anon_iter()
342 	if (CHECK(err, "bpf_iter_test_kern1__attach",  in test_anon_iter()
349 	if (CHECK(iter_fd < 0, "create_iter", "create_iter failed\n"))  in test_anon_iter()
364 	if (CHECK(iter_fd < 0, "open", "open %s failed: %s\n",  in do_read()
382 	if (CHECK(!skel1, "bpf_iter_test_kern1__open_and_load",  in test_file_iter()
387 	if (CHECK(IS_ERR(link), "attach_iter", "attach_iter failed\n"))  in test_file_iter()
394 	if (CHECK(err, "pin_iter", "pin_iter to %s failed: %d\n", path, err))  in test_file_iter()
406 	if (CHECK(!skel2, "bpf_iter_test_kern2__open_and_load",  in test_file_iter()
411 	if (CHECK(err, "update_prog", "update_prog failed\n"))  in test_file_iter()
437 	if (CHECK(!skel, "bpf_iter_test_kern4__open",  in test_overflow()
447 	if (CHECK(map1_fd < 0, "bpf_create_map",  in test_overflow()
451 	if (CHECK(map2_fd < 0, "bpf_create_map",  in test_overflow()
474 	if (CHECK(bpf_iter_test_kern4__load(skel),  in test_overflow()
481 	if (CHECK(err, "get_map_info", "get map info failed: %s\n",  in test_overflow()
487 	if (CHECK(err, "get_map_info", "get map info failed: %s\n",  in test_overflow()
493 	if (CHECK(IS_ERR(link), "attach_iter", "attach_iter failed\n"))  in test_overflow()
497 	if (CHECK(iter_fd < 0, "create_iter", "create_iter failed\n"))  in test_overflow()
510 		CHECK(len != -1 || errno != E2BIG, "read",  in test_overflow()
518 		if (CHECK(len < 0, "read", "read failed: %s\n",  in test_overflow()
528 		if (CHECK(len < 0, "read", "read failed: %s\n",  in test_overflow()
533 	if (CHECK(total_read_len != expected_read_len, "read",  in test_overflow()
538 	if (CHECK(skel->bss->map1_accessed != 1, "map1_accessed",  in test_overflow()
542 	if (CHECK(skel->bss->map2_accessed != 2, "map2_accessed",  in test_overflow()
546 	CHECK(skel->bss->map2_seqnum1 != skel->bss->map2_seqnum2,  in test_overflow()
581 	if (CHECK(!skel, "bpf_iter_bpf_hash_map__open",  in test_bpf_hash_map()
588 	if (CHECK(!skel, "bpf_iter_bpf_hash_map__load",  in test_bpf_hash_map()
598 	if (CHECK(!IS_ERR(link), "attach_iter",  in test_bpf_hash_map()
604 	if (CHECK(!IS_ERR(link), "attach_iter",  in test_bpf_hash_map()
621 		if (CHECK(err, "map_update", "map_update failed\n"))  in test_bpf_hash_map()
627 	if (CHECK(IS_ERR(link), "attach_iter", "attach_iter failed\n"))  in test_bpf_hash_map()
631 	if (CHECK(iter_fd < 0, "create_iter", "create_iter failed\n"))  in test_bpf_hash_map()
637 	if (CHECK(len < 0, "read", "read failed: %s\n", strerror(errno)))  in test_bpf_hash_map()
641 	if (CHECK(skel->bss->key_sum_a != expected_key_a,  in test_bpf_hash_map()
645 	if (CHECK(skel->bss->key_sum_b != expected_key_b,  in test_bpf_hash_map()
649 	if (CHECK(skel->bss->val_sum != expected_val,  in test_bpf_hash_map()
682 	if (CHECK(!skel, "bpf_iter_bpf_percpu_hash_map__open",  in test_bpf_percpu_hash_map()
689 	if (CHECK(!skel, "bpf_iter_bpf_percpu_hash_map__load",  in test_bpf_percpu_hash_map()
709 		if (CHECK(err, "map_update", "map_update failed\n"))  in test_bpf_percpu_hash_map()
718 	if (CHECK(IS_ERR(link), "attach_iter", "attach_iter failed\n"))  in test_bpf_percpu_hash_map()
722 	if (CHECK(iter_fd < 0, "create_iter", "create_iter failed\n"))  in test_bpf_percpu_hash_map()
728 	if (CHECK(len < 0, "read", "read failed: %s\n", strerror(errno)))  in test_bpf_percpu_hash_map()
732 	if (CHECK(skel->bss->key_sum_a != expected_key_a,  in test_bpf_percpu_hash_map()
736 	if (CHECK(skel->bss->key_sum_b != expected_key_b,  in test_bpf_percpu_hash_map()
740 	if (CHECK(skel->bss->val_sum != expected_val,  in test_bpf_percpu_hash_map()
766 	if (CHECK(!skel, "bpf_iter_bpf_array_map__open_and_load",  in test_bpf_array_map()
780 		if (CHECK(err, "map_update", "map_update failed\n"))  in test_bpf_array_map()
789 	if (CHECK(IS_ERR(link), "attach_iter", "attach_iter failed\n"))  in test_bpf_array_map()
793 	if (CHECK(iter_fd < 0, "create_iter", "create_iter failed\n"))  in test_bpf_array_map()
800 	if (CHECK(len < 0, "read", "read failed: %s\n", strerror(errno)))  in test_bpf_array_map()
806 	if (CHECK(res_first_key != 0 || res_first_val != first_val,  in test_bpf_array_map()
813 	if (CHECK(skel->bss->key_sum != expected_key,  in test_bpf_array_map()
817 	if (CHECK(skel->bss->val_sum != expected_val,  in test_bpf_array_map()
824 		if (CHECK(err, "map_lookup", "map_lookup failed\n"))  in test_bpf_array_map()
826 		if (CHECK(i != val, "invalid_val",  in test_bpf_array_map()
854 	if (CHECK(!skel, "bpf_iter_bpf_percpu_array_map__open",  in test_bpf_percpu_array_map()
861 	if (CHECK(!skel, "bpf_iter_bpf_percpu_array_map__load",  in test_bpf_percpu_array_map()
876 		if (CHECK(err, "map_update", "map_update failed\n"))  in test_bpf_percpu_array_map()
885 	if (CHECK(IS_ERR(link), "attach_iter", "attach_iter failed\n"))  in test_bpf_percpu_array_map()
889 	if (CHECK(iter_fd < 0, "create_iter", "create_iter failed\n"))  in test_bpf_percpu_array_map()
895 	if (CHECK(len < 0, "read", "read failed: %s\n", strerror(errno)))  in test_bpf_percpu_array_map()
899 	if (CHECK(skel->bss->key_sum != expected_key,  in test_bpf_percpu_array_map()
903 	if (CHECK(skel->bss->val_sum != expected_val,  in test_bpf_percpu_array_map()
928 	if (CHECK(!skel, "bpf_iter_bpf_sk_storage_map__open_and_load",  in test_bpf_sk_storage_map()
936 		if (CHECK(sock_fd[i] < 0, "socket", "errno: %d\n", errno))  in test_bpf_sk_storage_map()
944 		if (CHECK(err, "map_update", "map_update failed\n"))  in test_bpf_sk_storage_map()
953 	if (CHECK(IS_ERR(link), "attach_iter", "attach_iter failed\n"))  in test_bpf_sk_storage_map()
957 	if (CHECK(iter_fd < 0, "create_iter", "create_iter failed\n"))  in test_bpf_sk_storage_map()
963 	if (CHECK(len < 0, "read", "read failed: %s\n", strerror(errno)))  in test_bpf_sk_storage_map()
967 	if (CHECK(skel->bss->ipv6_sk_count != num_sockets,  in test_bpf_sk_storage_map()
972 	if (CHECK(skel->bss->val_sum != expected_val,  in test_bpf_sk_storage_map()
997 	if (CHECK(!skel, "bpf_iter_test_kern5__open_and_load",  in test_rdonly_buf_out_of_bound()
1006 	if (CHECK(!IS_ERR(link), "attach_iter", "unexpected success\n"))  in test_rdonly_buf_out_of_bound()
1017 	if (CHECK(skel, "bpf_iter_test_kern6__open_and_load",  in test_buf_neg_offset()