Raspberry Pi 4 超頻

超頻

/boot/config.txt
[pi4]
over_voltage=6
arm_freq=2147

看頻率

$ cat /sys/devices/system/cpu/cpu0/cpufreq/cpuinfo_max_freq
$ cat /sys/devices/system/cpu/cpu0/cpufreq/scaling_cur_freq
$ cat /sys/devices/system/cpu/cpu0/cpufreq/cpuinfo_min_freq

看溫度

vcgencmd measure_temp