ocerman/zenpower：Linux 内核驱动程序，用于读取 AMD Zen 系列 C

项目介绍

ocerman/zenpower 是一个托管在 GitHub 上的开源项目，主要使用 C 编写，采用 GNU General Public License v2.0 许可证，目前获得 492 个 Star、63 次 Fork。

仓库全名: ocerman/zenpower

README 摘要

Zenpower Zenpower is Linux kernel driver for reading temperature, voltage(SVI2), current(SVI2) and power(SVI2) for AMD Zen family CPUs. Make sure that your Linux kernel have support for your CPUs as Zenpower is using kernel function amdsmnread to read values from SMN. A fallback method (which may or may not work!) will be used when it is detected that kernel function amdsmnread lacks support for your CPU. For AMD…

完整内容见 GitHub 原始 README 或本页。

常见问题

zenpower 用什么语言开发？

主要使用 C 编写，采用 GNU General Public License v2.0 许可证，目前有 492 个 Star。

zenpower 可以免费商用吗？

仓库标注的许可证为 GNU General Public License v2.0，商用前请先阅读仓库 LICENSE 文件确认授权范围。

如何获取 zenpower 的源码？

可以直接克隆仓库：git clone https://github.com/ocerman/zenpower.git，默认分支为 master；安装与运行步骤见仓库 README。

zenpower 最近还在维护吗？

仓库最近一次更新为 2022年8月3日，当前有 23 个未关闭 Issue；Star 数为 492，可作为社区活跃度的参考。

关于

GitHub 原始描述（英文）

Zenpower is Linux kernel driver for reading temperature, voltage(SVI2), current(SVI2) and power(SVI2) for AMD Zen family CPUs.

amd amd-cpu amd-driver linux linux-drivers linux-kernel ryzen sensor-monitor

GNU General Public License v2.0
492 Stars
63 Forks
18 Watching

描述取自 GitHub 官方 API，保持仓库作者书写的原文。

简要分析

热度分

636

价值分

314

活跃状态

活跃

GitHub

语言占比

Makefile

贡献者

ocerman

nickbuerger

jiblime

Zenpower

Zenpower is Linux kernel driver for reading temperature, voltage(SVI2), current(SVI2) and power(SVI2) for AMD Zen family CPUs.

Make sure that your Linux kernel have support for your CPUs as Zenpower is using kernel function amd_smn_read to read values from SMN. A fallback method (which may or may not work!) will be used when it is detected that kernel function amd_smn_read lacks support for your CPU. For AMD family 17h Model 70h (Ryzen 3000) CPUs you need kernel version 5.3.4 or newer or kernel with this patch: https://patchwork.kernel.org/patch/11043277/

Installation

You can install this module via dkms.

Installation commands for Ubuntu

sudo apt install dkms git build-essential linux-headers-$(uname -r)
cd ~
git clone https://github.com/ocerman/zenpower.git
cd zenpower
sudo make dkms-install

Module activation

Because zenpower is using same PCI device as k10temp, you have to disable k10temp first.

Check if k10temp is active. lsmod | grep k10temp
Unload k10temp sudo modprobe -r k10temp
(optional*) blacklist k10temp: sudo bash -c 'sudo echo -e "\n# replaced with zenpower\nblacklist k10temp" >> /etc/modprobe.d/blacklist.conf'
Activate zenpower sudo modprobe zenpower

*If k10temp is not blacklisted, you may have to manually unload k10temp after each restart.

Sensors monitoring

You can use this app: zenmonitor, or your favourie sensors monitoring software

Update instructions

Unload zenpower sudo modprobe -r zenpower
Goto zenpower directory cd ~/zenpower
Uninstall old version sudo make dkms-uninstall
Update code from git git pull
Install new version sudo make dkms-install
Activate zenpower sudo modprobe zenpower

Help needed

It would be very helpful for me for further development of Zenpower if you can share debug data from zenpower. Read more

Notes

Some users reported that a restart is needed after module installation
If you are having trouble compiling zenpower under Ubuntu 18.04 (or older) with new upstream kernel, see #23
The meaning of raw current values from SVI2 telemetry are not standardised so the current/power readings may not be accurate on all systems (depends on the board model).

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