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修复 MangoHud 在 Intel CPU 上功率始终为 0.0 W

https://www.reddit.com/r/linux_gaming/comments/13g4qpz/comment/jlxda0x

运行如下指令修改权限即可

sh
sudo chmod o+r /sys/class/powercap/intel-rapl\:0/energy_uj

为免更新后权限恢复, 可在 /etc/systemd/system 中添加如下 .service System Unit 配置文件, 并 enable

conf
[Service]
Type=oneshot
RemainAfterExit=true
# NOTE: root permission is required
User=root
Group=root
ExecStart=chmod o+r /sys/class/powercap/intel-rapl:0/energy_uj

[Install]
WantedBy=multi-user.target

enable 配置文件

sh
systemctl enable --now <your-named>.service