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qiaoqiao1235 #22
也可以直接在终端修改(以下为修改性能模式例子)
也可以写到启动脚本里面,这样刷固件也不会丢失。
echo performance >> /sys/devices/system/cpu/cpufreq/policy0/scaling_governor
echo performance >> /sys/devices/system/cpu/cpufreq/policy1/scaling_governor
echo performance >> /sys/devices/system/cpu/cpufreq/policy2/scaling_governor
echo performance >> /sys/devices/system/cpu/cpufreq/policy3/scaling_governor
echo 2700000 > /sys/devices/system/cpu/cpufreq/policy0/scaling_min_freq
echo 2700000 > /sys/devices/system/cpu/cpufreq/policy1/scaling_min_freq
echo 2700000 > /sys/devices/system/cpu/cpufreq/policy2/scaling_min_freq
echo 2700000 > /sys/devices/system/cpu/cpufreq/policy3/scaling_min_freq
分享一些常用命令:
查询当前频率:
cat /proc/cpuinfo |grep MHz|uniq
查看核心数
cd /sys/devices/system/cpu/
ll
查看当前运行 CPU 模式(这里是 CPU0 为例)
cat /sys/devices/system/cpu/cpu0/cpufreq/scaling_governor