查看cpufreq模式
cat /sys/devices/system/cpu/cpu*/cpufreq/scaling_governor
修改cpufreq模式
echo performance > /sys/devices/system/cpu/cpu0/cpufreq/scaling_governor
查看gpu性能级别
cat /sys/class/drm/card*/device/power_dpm_force_performance_level
修改gpu性能级别
echo high > /sys/class/drm/card0/device/power_dpm_force_performance_level