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Trace

Domain: trace

Time-travel debugging domain that records CDP events into SQLite for SQL-based querying and heap snapshot comparison.

Profiles

  • full

Typical scenarios

  • Record browser events
  • Query trace data with SQL
  • Diff heap snapshots

Common combinations

  • trace + debugger + browser

Full tool list (9)

ToolDescription
trace_recordingStart or stop trace recording into a SQLite database.
start_trace_recordingStart recording debugger traces into a SQLite database for time-travel.
stop_trace_recordingStop trace recording and return the final session summary.
query_trace_sqlExecute a read-only SQL query against a trace database.
seek_to_timestampReconstruct trace state at a specific timestamp.
trace_get_network_flowGet a recorded request-scoped network flow from a trace.
diff_heap_snapshotsCompare two heap snapshots from a trace.
export_traceExport a trace database to Chrome Trace Event JSON.
summarize_traceGenerate a compact summary of a trace database.

Released under AGPL-3.0-only