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Merge pull request #3881 from pipecat-ai/mb/startup-observer

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Add StartupTimingObserver
This commit is contained in:
Mark Backman
2026-03-02 16:07:28 -05:00
committed by GitHub
parent a88eae7849 dbdb54ce0f
commit b1e55fd6c2
20 changed files with 796 additions and 7 deletions
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- Added `ClientConnectedFrame`, a new `SystemFrame` pushed by all transports (Daily, LiveKit, FastAPI WebSocket, WebSocket Server, SmallWebRTC, HeyGen, Tavus) when a client connects. Enables observers to track transport readiness timing.

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Added `BotConnectedFrame` for SFU transports and `on_transport_timing_report` event to `StartupTimingObserver` with bot and client connection timing.

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- Added `StartupTimingObserver` for measuring how long each processor's `start()` method takes during pipeline startup. Also measures transport readiness — the time from `StartFrame` to first client connection — via the `on_transport_readiness_measured` event. Useful for diagnosing cold start slowness and identifying initialization bottlenecks.