bpf/prog_tests/user_ringbuf.c

33 	int i, err = 0;
42 			err = -errno;
56 			err = read;
67 	return err;
73 	int err;
79 	err = bpf_map__set_max_entries(skel->maps.user_ringbuf, c_ringbuf_size);
80 	if (!ASSERT_OK(err, "set_max_entries"))
83 	err = bpf_map__set_max_entries(skel->maps.kernel_ringbuf, c_ringbuf_size);
84 	if (!ASSERT_OK(err, "set_max_entries"))
87 	err = user_ringbuf_success__load(skel);
88 	if (!ASSERT_OK(err, "skel_load"))
100 	int err, rb_fd;
116 	err = -errno;
117 	ASSERT_ERR(err, "wr_prod_pos_err");
125 	err = -errno;
126 	ASSERT_ERR(err, "wr_prod_pos_err");
134 	err = -errno;
135 	ASSERT_ERR(err, "exec_data_err");
149 	int err = -ENOMEM, rb_fd;
153 		return err;
177 	err = user_ringbuf_success__attach(skel);
178 	if (!ASSERT_OK(err, "skel_attach"))
192 	return err;
202 					       __u32 size, __u64 producer_pos, int err)
229 	ASSERT_EQ(skel->bss->err, err, "err_after_bad_sample");
239 	int err;
242 	err = load_skel_create_user_ringbuf(&skel, &ringbuf);
243 	if (!ASSERT_OK(err, "misaligned_skel"))
255 	int err;
258 	err = load_skel_create_user_ringbuf(&skel, &ringbuf);
259 	if (!ASSERT_OK(err, "wrong_offset_skel"))
271 	int err;
274 	err = load_skel_create_user_ringbuf(&skel, &ringbuf);
275 	if (!ASSERT_OK(err, "huge_sample_skel"))
287 	int err;
289 	err = load_skel_create_user_ringbuf(&skel, &ringbuf);
290 	if (!ASSERT_OK(err, "ringbuf_basic_skel"))
295 	err = write_samples(ringbuf, 2);
296 	if (!ASSERT_OK(err, "write_samples"))
310 	int err;
313 	err = load_skel_create_user_ringbuf(&skel, &ringbuf);
314 	if (!ASSERT_OK(err, "ringbuf_full_sample_skel"))
336 	int err;
338 	err = load_skel_create_user_ringbuf(&skel, &ringbuf);
339 	if (!ASSERT_OK(err, "ringbuf_align_autoadjust_skel"))
359 	int err;
361 	err = load_skel_create_user_ringbuf(&skel, &ringbuf);
362 	if (err)
365 	err = write_samples(ringbuf, c_max_entries * 5);
366 	ASSERT_ERR(err, "write_samples");
377 	int err, num_discarded = 0;
380 	err = load_skel_create_user_ringbuf(&skel, &ringbuf);
381 	if (err)
424 	int err;
427 	err = load_skel_create_user_ringbuf(&skel, &ringbuf);
428 	if (err)
436 		err = write_samples(ringbuf, curr_samples);
437 		if (err != 0) {
441 			ASSERT_OK(err, "write_samples");
529 	ASSERT_OK(skel->bss->err, "consume_kern_ringbuf_err");
537 	int err, i;
540 	err = load_skel_create_ringbufs(&skel, &kern_ringbuf, handle_kernel_msg, &user_ringbuf);
541 	if (!ASSERT_OK(err, "create_ringbufs"))
549 		err = send_test_message(user_ringbuf, op, operand_64, operand_32);
550 		if (err) {
552 			ASSERT_OK(err, "send_test_message");
577 			ASSERT_EQ(skel->bss->err, 0, "bpf_prog_err");
609 	int err, num_written = 0;
612 	err = load_skel_create_user_ringbuf(&skel, &ringbuf);
613 	if (err)
641 	err = spawn_kick_thread_for_poll();
642 	if (!ASSERT_EQ(err, 0, "deferred_kick_thread\n"))
656 	ASSERT_EQ(skel->bss->err, 0, "err_post_poll");