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Micro-stutter check list for SteamOS 3.3
Liam Dawe 3 Aug
Okay guys, there's a probable issue with SteamOS 3.3 that's causing micro-stutter in a number of games. If you want to test set to 40Hz and see what happens, easier in 3D games as you can spin the camera to see it easily in the frame timings.

Doesn't seem to happen in Risk of Rain 2.

Confirmed in Sunset Overdrive, Deep Rock Galactic.

Video example:

Last edited by Liam Dawe on 3 August 2022 at 5:08 pm UTC
This topic has an answer marked - jump to answer.
Spl-it 3 Aug
Games I tested at 40Hz that show this stutter:
- Ion Fury (native)
- Elder Scrolls Online
- Duke 3D the cursed Randy version ;)
- Deep Rock Galactic
- Left4Dead 2 (native)
- Teenage Mutant Ninja Turtles: Shredder's Revenge (native)
- World of Warcraft (ran great before updating, now stutters occasionally)

Games that stutter only every now and then but are smooth usually:
- Monster Hunter World

Games not showing the stutter:
- Alice Madness Returns
- Battlefield Bad Company 2
- Valheim (native Vulkan)

(stutter as in, dropping to 38fps from 40)

** using Manual GPU Clock Control "fixes" the stutter in listed games **

I'll update as testing continues

Stable branch

Last edited by Spl-it on 3 August 2022 at 10:56 am UTC
Damn, was this reported during the beta? I'm guessing those on beta saw this?
bastiHST 3 Aug
Quoting: BlackBloodRumDamn, was this reported during the beta? I'm guessing those on beta saw this?

Yes, i reported it over a month ago.

I noticed it in Trackmania 2020 (Ubisoft Connect / nonsteam)
I play with 60fps (16,6ms) and noticed frame drops to 33,3ms every couple seconds. Setting a static clock fixed the issue.
But valve doesn't seem to care. If just 2-5 people reporting this (many will not even notice this i can imagine) But it bothers me so much, I see every damn dropped frame.
bastiHST 3 Aug
I should also clarify..
When I set the GPU clock to my Trackmania profile, it doesn't save when I start the game again (probably because I start the launcher first? idk).

So I would have to manually set the clock everytime I start the game. It's doable of course, but really unnecessary.
Liam Dawe 3 Aug
Valve confirmed to me they are looking into it.
what was causing the stutter i wonder?
dpanter 6 Aug
Quoting: Galaxyfistwhat was causing the stutter i wonder?
Gamescope bug.
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