1.关闭睿频 echo 1 > /sys/devices/system/cpu/intel_pstate/no_turbo 2.限制CPU最大频率到50% echo "50" | sudo tee /sys/devices/system/cpu/intel_pstate/max_perf_pct 3.开启睿频 echo 0 > /sys/devices/system/cpu/intel_pstate/no_turbo 两个办法都可以，方法2更灵活，全程可以通过下面的命令实时查看： watch -n 0 "cat /proc/cpuinfo | grep -i mhz"
