222 	int err, res, kfd, efd;  in test_debug_fs_uprobe()  local
227 	kfd = open(buf, O_WRONLY | O_APPEND, 0);  in test_debug_fs_uprobe()
228 	CHECK_PERROR_RET(kfd < 0);  in test_debug_fs_uprobe()
237 	CHECK_PERROR_RET(write(kfd, buf, strlen(buf)) < 0);  in test_debug_fs_uprobe()
239 	close(kfd);  in test_debug_fs_uprobe()
240 	kfd = -1;  in test_debug_fs_uprobe()
256 	kfd = sys_perf_event_open(&attr, -1, 0, -1, PERF_FLAG_FD_CLOEXEC);  in test_debug_fs_uprobe()
257 	CHECK_PERROR_RET(kfd < 0);  in test_debug_fs_uprobe()
258 	CHECK_PERROR_RET(ioctl(kfd, PERF_EVENT_IOC_SET_BPF, prog_fd[0]) < 0);  in test_debug_fs_uprobe()
259 	CHECK_PERROR_RET(ioctl(kfd, PERF_EVENT_IOC_ENABLE, 0) < 0);  in test_debug_fs_uprobe()
262 	err = bpf_task_fd_query(getpid(), kfd, 0, buf, &len,  in test_debug_fs_uprobe()
286 	close(kfd);  in test_debug_fs_uprobe()