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Photonicat 下调CPU频率 - 版本历史
2026-04-17T12:07:45Z
本wiki上该页面的版本历史
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Guangyingmao：创建页面，内容为“默认CPU有自动管理电压以及频率功能。但在极端需要的时候，可以开机省电模式通过减少CPU性能来换取降低功耗，可以通过： ==Powersave 模式== 命令行输入： <pre> #! /bin/bash cat /sys/devices/system/cpu/cpu*/cpufreq/scaling_governor for file in /sys/devices/system/cpu/cpu*/cpufreq/scaling_governor; do echo "powersave" > $file; done cat /sys/devices/system/cpu/cpu*/cpufreq/scaling_governor </pre> ==CPU 关闭…”
2023-06-06T12:33:57Z
<p>创建页面，内容为“默认CPU有自动管理电压以及频率功能。但在极端需要的时候，可以开机省电模式通过减少CPU性能来换取降低功耗，可以通过： ==Powersave 模式== 命令行输入： <pre> #! /bin/bash cat /sys/devices/system/cpu/cpu*/cpufreq/scaling_governor for file in /sys/devices/system/cpu/cpu*/cpufreq/scaling_governor; do echo "powersave" > $file; done cat /sys/devices/system/cpu/cpu*/cpufreq/scaling_governor </pre> ==CPU 关闭…”</p>
<p><b>新页面</b></p><div>默认CPU有自动管理电压以及频率功能。但在极端需要的时候，可以开机省电模式通过减少CPU性能来换取降低功耗，可以通过：<br />
<br />
==Powersave 模式==<br />
命令行输入：<br />
<pre><br />
#! /bin/bash<br />
cat /sys/devices/system/cpu/cpu*/cpufreq/scaling_governor<br />
<br />
for file in /sys/devices/system/cpu/cpu*/cpufreq/scaling_governor; do echo "powersave" > $file; done<br />
<br />
cat /sys/devices/system/cpu/cpu*/cpufreq/scaling_governor<br />
</pre><br />
<br />
==CPU 关闭部分核心==<br />
命令行输入：<br />
<pre><br />
echo 0 > /sys/devices/system/cpu/cpu1/online<br />
echo 0 > /sys/devices/system/cpu/cpu2/online<br />
echo 0 > /sys/devices/system/cpu/cpu3/online<br />
</pre></div>
Guangyingmao