方式一
$ sudo chmod 0777 /sys/devices/system/cpu/cpu0/cpufreq/* $ 500000 > /sys/devices/system/cpu/cpu0/cpufreq/scaling_min_freq $ 805000 > /sys/devices/system/cpu/cpu0/cpufreq/scaling_max_freq
方式二
$ kernel-config load lv $ kernel-config limits 250 805 $ cat /sys/devices/system/cpu/cpu0/cpufreq/scaling_min_freq $ cat /sys/devices/system/cpu/cpu0/cpufreq/scaling_max_freq $ kernel-config save oc $ kernel-config default oc
方式三