78e74f6ceb
Rework the client READMEs to be accurate and inviting to first-time
visitors, and fill in the gaps where crates and tools had none.
- Rewrite clients/{apple,android,decky} READMEs (features-first, trim
dense internal narrative; drop the stale "one session at a time" /
"renegotiation not implemented" section from the Apple README).
- Add READMEs for clients/{linux,windows,probe}, which had none.
- Add crate READMEs for punktfunk-host, punktfunk-core, pf-driver-proto.
- Add brief READMEs for tools/{loss-harness,latency-probe}.
- Fix packaging/README duplicate "Option B" heading (bootc -> Option C).
- Fix docs-site/README stale docs/ -> design/ reference.
- De-stale packaging/windows/drivers/pf-dualsense README (drop "M0 spike"
/ external-checkout framing; reflect in-tree workspace + shipped +
installer-bundled + multi-pad), keeping the driver-authoring lore.
Co-Authored-By: Claude Opus 4.8 <noreply@anthropic.com>
16 lines
726 B
Markdown
16 lines
726 B
Markdown
# latency-probe
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A **glass-to-glass latency** measurement tool (design/implementation-plan §10): it renders a
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timestamp/QR on the host, reads it back off the client's capture (or a photodiode, for true photons),
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and tracks p50/p99 — so latency regressions are quantifiable rather than felt.
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> **Status: scaffold.** The measurement harness is stubbed out and not yet wired to a live pipeline.
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> For latency numbers today, use the per-frame **capture→…→reassembled** percentiles the
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> [`probe`](../../clients/probe/README.md) client reports over a real `punktfunk/1` session.
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```sh
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cargo run -p latency-probe # from the repo root
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```
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Companion to [`loss-harness`](../loss-harness/README.md) (FEC loss sweep).
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