How to monitor CPU and GPU frequency and utilization?

CPU Frequency: cat /sys/devices/system/cpu/cpu*/cpufreq/scaling_cur_freq

GPU Frequency:

  • Kernel 4.9 and 5.15:
    cat /sys/class/mpgpu/cur_freq

  • mainline linux:
    cat /sys/bus/platform/devices/ffe40000.gpu/devfreq/ffe40000.gpu/cur_freq

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