Steam

Capturing and sharing Proton logs

• Right-click on the game in Steam and select Properties.
• Under Launch Options, add the following.

PROTON_LOG=1 PROTON_LOG_DIR=/home/jas/steam-proton-logs %command%

game-performance

To use CachyOS’s game-performance script to switch power profiles while a game is running, add the following to each Steam game’s Launch Options:

game-performance %command%

Combined with the Proton logging options:

PROTON_LOG=1 PROTON_LOG_DIR=/home/jas/steam-proton-logs game-performance %command%

Pre-caching shaders with Proton-CachyOS, -GE, -EM

Pre-caching of shaders is not needed on CachyOS, as Proton-CachyOS already contains all the necessary codecs.

• Go to Steam Setttings -> Downloads
• Go to the SHADER PRE-CACHING section
• Disable Shader Pre-caching
• Disable Allow background processing of Vulkan shaders