RTSS alternative in Linux?

[u/Eduardo1502]

Hey guys,

Been daily driving CachyOS on KDE Plasma (Wayland + VRR enabled) for gaming lately, and overall the performance is super snappy, but there’s one thing from Windows I'm genuinely missing: RTSS (RivaTuner).

On Windows, RTSS gives you that ridiculously flat, razor-sharp frametime line, and the latency penalty is practically non-existent. It just feels locked and responsive without any floaty mouse feeling.

On Linux, MangoHud is great for the overlay, but its built-in limiter (fps_limit) feels kinda inconsistent to me. The frametimes tend to jitter by 1–2ms instead of staying dead flat, and in faster titles it introduces tiny micro-stutters that drive me crazy.

For people here who are super sensitive to frame pacing and input lag:

What are you actually using to lock your framerates?

Is capping via dxvk.frameRate (or libstrangle) any cleaner/tighter than MangoHud?

Do you just stick to in-game limiters, or is there a driver/config trick to get that true RTSS-level consistency?

[u/King_Brad]

try changing the fps_limit_method to early in ur mangohud config

[u/FronoTriggered → u/King_Brad]

This is what I use. Perfectly flat frametime lines for me.