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LLM Usage Metrics

copilot Source

Default location

Section titled “Default location”
  • ~/.copilot/otel/*.jsonl
  • $COPILOT_OTEL_FILE_EXPORTER_PATH when it points at a readable exporter file

Override

Section titled “Override”
Terminal window
llm-usage daily --copilot-dir /path/to/.copilot/otel
# or
llm-usage daily --source-dir copilot=/path/to/.copilot/otel

Parsing notes

Section titled “Parsing notes”

The adapter reads GitHub Copilot CLI OTEL JSONL records, strips cache-read tokens from reported input tokens, and de-duplicates lower-priority inference/agent records that repeat a higher-priority chat span.