samples/bpf/tracex2_user.c

45 	struct hist_key key = {}, next_key;
54 	while (bpf_map_get_next_key(fd, &key, &next_key) == 0) {
55 		if (memcmp(&next_key, task, SIZE)) {
56 			key = next_key;
59 		bpf_map_lookup_elem(fd, &next_key, values);
63 		ind = next_key.index;
69 		key = next_key;
84 	struct hist_key key = {}, next_key;
89 	while (bpf_map_get_next_key(fd, &key, &next_key) == 0) {
93 			if (memcmp(&tasks[i], &next_key, SIZE) == 0)
96 			memcpy(&tasks[task_cnt++], &next_key, SIZE);
97 		key = next_key;
118 	long key, next_key, value;
170 		while (bpf_map_get_next_key(map_fd[0], &key, &next_key) == 0) {
171 			bpf_map_lookup_elem(map_fd[0], &next_key, &value);
172 			printf("location 0x%lx count %ld\n", next_key, value);
173 			key = next_key;