ValveSoftware
[PERF] Frame drops disappear when running advanced frame timing graph
Describe the bug I'm getting a lot of dropped frames, visible in both the performance graph and through sporadic choppy video in the headset. When opening the Advanced Frame Timing option, the issue disappears after a few seconds. It immediately resurfaces after closing that window.
To Reproduce It's probably something related to my setup, so difficult to say.
Expected behavior No frame drops to begin with, but most notably no improvement in performance from running the Advanced Frame Timing tool.
System Information:
- Distribution: Debian Bullseye
- SteamVR version: 1.19.7, but problem is also present in 1.14
- Steam client version: Oct 6th 2021, 18:51:29
- Opted into Steam client beta?: No
- Graphics driver version: NVidia repo driver 460.91.03
- Gist for SteamVR System Information: https://gist.github.com/NotherGithubAccount/2e6879c924fd4860cc9f5e40f52a6fe3
Performance Data (optional, but very helpful):
- CPU: i7 8700
- GPU: 2080 Super
Additional context The only explanation I can come up with is that the frame timing monitor does more than just monitor, but also changes some operational parameter. I'm wondering what that may be and if there are other possibilities to fix the issue.
