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Merge branch 'claude/frame-timing-harness' into claude/offscreen-rendering

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Chuck
2026-09-24 17:37:07 -04:00
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CHANGELOG.md
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@@ -239,6 +239,15 @@ floor on the release that ships them):
`api_extractors`). No known plugin imports it. A plugin that does must use
`src.common` or its own copy of the code.
- `src.common.frame_timing` -- times every frame the display presents, whoever
drew it, and writes cumulative counters to `/dev/shm`. Two tools read it:
`scripts/frame_soak.py` judges a running service (late frames, freezes,
where the time goes), and `scripts/render_bench.py` judges the hardware and
render path alone on a synthetic strip. Both fail a run above 0.1% late
frames, and both call a loop that never waited for the panel NOT LOCKED. A
stall watchdog logs the stack of whatever holds a scroll up for 250 ms or
more. See `docs/SCROLL_PERFORMANCE.md`, "Soaking a rig".
## 3.5.0
New modules a plugin may import via `src.*` (floor on 3.5.0):