You can refer how to set the cpu freq from command line:
How to overclock the ROCK Pi 4B to 2Ghz:
Is it possible to overclock the Rock Pi 4? - #39 by stuartiannaylor
You can refer how to set the cpu freq from command line:
How to overclock the ROCK Pi 4B to 2Ghz:
Is it possible to overclock the Rock Pi 4? - #39 by stuartiannaylor