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Tracing

The SDK includes built-in support for Chromium tracing, allowing you to capture detailed performance traces for debugging and optimization.

Basic usage

#include <livekit/livekit.h>

// Start tracing to a file
livekit::startTracing("trace.json");

// ... run your application ...

// Stop tracing and flush to file
livekit::stopTracing();

Filtering by category

You can optionally filter which categories to trace:

// Trace only specific categories (supports wildcards)
livekit::startTracing("trace.json", {"livekit.*", "webrtc.*"});

Viewing traces

Open the generated trace file in one of these viewers:

  • Chrome: navigate to chrome://tracing and click "Load" to open the trace file.
  • Perfetto: open ui.perfetto.dev and drag-drop your trace file.