읽기 전용 파일 시스템에서 "systemd-tmpfiles-setup.service" 속도가 느림

헤드리스 임베디드 컴퓨터(읽기 전용파일 시스템), 이 속도가 상당히 느리고 다른 서비스가 일찍 시작되지 않는 것으로 나타났습니다 systemd-tmpfiles-setup.service(확인했습니다 systemctl list-dependencies myservice.service).

읽기 전용 파일 시스템에서 속도를 높이는 방법은 무엇입니까?

journalctl -u systemd-tmpfiles-setup.service또한 거의 4초가 걸리는 것으로 확인되었습니다.

-- Logs begin at Sat 2021-12-11 01:55:43 GMT, end at Sat 2021-12-11 01:58:03 GMT. --
Dec 11 01:55:**43** foo systemd[1]: Starting Create Volatile Files and Directories...
Dec 11 01:55:**47** foo systemd-tmpfiles[149]: **rm_rf(/tmp): Read-only file system**
Dec 11 01:55:47 foo systemd-tmpfiles[149]: symlink(/etc/machine-id, /var/lib/dbus/machine-id) failed: Read-only file system
Dec 11 01:55:47 foo systemd-tmpfiles[149]: symlink(../proc/self/mounts, /etc/mtab) failed: Read-only file system
Dec 11 01:55:47 foo systemd-tmpfiles[149]: Failed to open directory 'coredump': No such file or directory
Dec 11 01:55:47 foo systemd-tmpfiles[149]: Failed to open directory 'private': No such file or directory
Dec 11 01:55:47 foo systemd-tmpfiles[149]: Failed to open directory 'private': No such file or directory
Dec 11 01:55:47 foo systemd-tmpfiles[149]: Failed to open directory 'private': No such file or directory
Dec 11 01:55:47 foo systemd-tmpfiles[149]: Failed to open directory '.X11-unix': No such file or directory
Dec 11 01:55:47 foo systemd-tmpfiles[149]: Failed to open directory '.ICE-unix': No such file or directory
Dec 11 01:55:47 foo systemd-tmpfiles[149]: Failed to open directory '.XIM-unix': No such file or directory
Dec 11 01:55:47 foo systemd-tmpfiles[149]: Failed to open directory '.font-unix': No such file or directory
Dec 11 01:55:47 foo systemd-tmpfiles[149]: Failed to open directory '.Test-unix': No such file or directory
Dec 11 01:55:47 foo systemd[1]: Started Create Volatile Files and Directories.

결과는 다음과 같습니다 systemd-analyze plot.