A Wattman-like GTK3+ GUI
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WattmanGTK fix: plot minimum value Nov 12, 2018
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This is a Python3 program which uses a simple GTK gui to view, monitor and in the future overclock a Radeon GPU on Linux. Main screen

What can it do?

  • View memory and GPU P-states including voltages.
  • Ability to monitor signals from GPU sensors by means of plotting
  • Write a bash file with overclock settings
  • Multi GPU support in top dropdown list

What can't it do?

  • Directly apply values from GUI (this will be a future addition)
  • Fan control (this will be a future addition)
  • Monitor mulitple GPU's


  • Linux kernel 4.8+ (Ubuntu 16.10 or newer)
  • Python3
  • Python3-matplotlib
  • Python3-gi
  • Python3-setuptools
  • Python3-cairo
  • A Radeon card which uses the AMDGPU kernel driver
  • The overdrive kernel parameter must be set.

Usage/ installation

Clone the repository and open a terminal in this folder. For installation (including all dependencies) run

    sudo python3 setup.py install

After installation, the wattmanGTK command is available from any terminal. Alternatively, the tool can also be launched from the command line without installation. This would require you to install the dependencies beforehand. After installing the dependencies, the tool is available by running

    python3 run.py

in a terminal where you cloned the repository. When you want to apply the settings given in the GUI click apply, and instructions will be given on how to apply the overclock. This is at your own risk!

Contributing & Donations

Contributions can be made in terms of:

  • Hardware debugging, please let me know if your configuration runs or not (mine is run with 4.19 and an RX480)
  • Feature additions, some TODO's are given in the files
  • Packaging of the software
  • Feedback on the code
  • Donations can be made on http://paypal.me/pools/c/89hdUKrx2Z
  • Other contributions are also possible, please let me know


How do I know my card has the overdrive bit enabled

Just try to run WattmanGTK. It will tell you if your card does not support overdrive. Even if this is not the case you can set a kernel parameter to force overdrive to be enabled (may not work on all cards). For more information on how to set the parameter check the Arch Wiki

For GRUB based systems (like ubuntu): edit the /etc/default/grub file and edit the line:


And change it to:

    GRUB_CMDLINE_LINUX_DEFAULT="quiet splash amdgpu.ppfeaturemask=<the suggested value by WattmanGTK>"

Then grub needs to be updated, for ubuntu this is done by running

    sudo update-grub

For distro agnostic updating this can be done by running

on BIOS systems: # grub2-mkconfig -o /etc/grub2.cfg

on UEFI systems: # grub2-mkconfig -o /etc/grub2-efi.cfg

Then reboot the machine. Once rebooted you can check the current featuremask by

   printf "0x%08x\n" $(cat /sys/module/amdgpu/parameters/ppfeaturemask)

Setting the kernel parameter causes artifacts and glitching

It could be that setting the kernelparameter can enable features that should not be enabled which could be the cause.

The program does not work for me

Please open an issue here. Furthermore, refer to this thread on reddit for additional help: link

The program can not find a certain senor path and fails

Please refer to: https://github.com/BoukeHaarsma23/WattmanGTK/issues/1