dietpi-config only has CPU Governor "performance" and "powersave"

Troubleshooting
8

the output of given command is as

root@DietPi:~# for i in /sys/devices/system/cpu/intel_pstate/*; do echo "$i: $(<$i)"; done
/sys/devices/system/cpu/intel_pstate/max_perf_pct: 100
/sys/devices/system/cpu/intel_pstate/min_perf_pct: 55
/sys/devices/system/cpu/intel_pstate/no_turbo: 0
/sys/devices/system/cpu/intel_pstate/num_pstates: 14
/sys/devices/system/cpu/intel_pstate/status: active
/sys/devices/system/cpu/intel_pstate/turbo_pct: 36
root@DietPi:~#