调整查看CPU频率

cat /sys/devices/system/cpu/cpu*/cpufreq/scaling_cur_freq

echo userspace > /sys/devices/system/cpu/cpu0/cpufreq/scaling_governor

echo userspace > /sys/devices/system/cpu/cpu2/cpufreq/scaling_governor
echo userspace > /sys/devices/system/cpu/cpu3/cpufreq/scaling_governor

echo 1500000 > /sys/devices/system/cpu/cpu0/cpufreq/scaling_setspeed
echo 2000000 > /sys/devices/system/cpu/cpu2/cpufreq/scaling_setspeed
echo 2000000 > /sys/devices/system/cpu/cpu3/cpufreq/scaling_setspeed

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