https://bugs.kde.org/show_bug.cgi?id=488843

--- Comment #30 from Marcus <jjmarco75+...@gmail.com> ---
Increasing the 1ms extra is the same deal; it helps but I need to make it very
high.
so it doesn't seem to be related to dropped frames.
> - total of 42978 frames
> - dropped 105 frames (0.24%)
>     - 87 because of too late commits (0.2%)
>     - 12 because of late rendering start (0.028%)
>     - 6 because of render times (0.014%)
But my issue isn't stuttering due to dropped frames per se; it's that the frame
rate drops to 30fps for long periods of time, like a starved double-buffered
vsync, unless I (apparently) add myself a frame of latency or turn off
triple-buffering altogether, and only at 60Hz. and somehow this doesn't show in
the perf stats.

if there's no obvious solution to this I can just disable tb indefinitely, but
it's still a weird issue.

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