this post was submitted on 08 Oct 2023
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Linux Gaming

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hyprfreeze - Pause a game process (or any other process) in Hyprland (github.com)
submitted 2 years ago by Zerodya@lemm.ee to c/linux_gaming@lemmy.world
7 comments fedilink hide all child comments
 

Hey all! If you do any gaming on Hyprland, you might be interested in hyprfreeze.

It's a very simple bash script I made to "freeze" a game process (or any other process) in Hyprland, which you may find useful to:

  • Pause games during unpausable cutscenes
  • Save system resources (CPU and GPU are free, the process is saved in RAM)

Should just work^^TM in most scenarios but my testings can only go so far and any feedback would be very appreciated.

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[–] refurbishedrefurbisher@lemmy.sdf.org 5 points 2 years ago (1 children)

Does this mean I can pause online games?

/s

/us I'm assuming this is like pressing Ctrl+Z in a Terminal window, and then fg to unpause.

[–] Zerodya@lemm.ee 6 points 2 years ago

Haha, yes! Ctrl+Z sends a TSPT signal to a terminal process, while this script sends a STOP signal to every process in a game's process tree. Both get resumed with a SIGCONT so they're kinda similar.

[–] stepanzak@iusearchlinux.fyi 2 points 2 years ago (1 children)

That's cool! Do you know about any similar solution for KDE Plasma/Kwin by any chance? Also, would it be theoretically possible to save the process to some kind of swapfile on disk so it doesn't take up space in RAM?

[–] Zerodya@lemm.ee 4 points 2 years ago* (last edited 2 years ago)

There is Nyrna, but it doesn't work on Wayland.

Afaik saving to swap isn't possible as it's something managed by the kernel, although you can try tweaking cgroups. Nyrna also mentions that this isn't currently possible.

[–] blotz@lemmy.world 2 points 2 years ago

Pretty simple and elegant solution. Nice job!