Performance/Telemetry
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Telemetry allows developers to receive aggregate data of browser health in the field (docs).
The following statistics are currently gathered:
about:memory stats
- Memory:heap-used/js/gc-heap (KB)
- Memory:heap-used/layout/all (KB)
- Memory:mapped/heap/used (KB)
Latency stats:
- nsCycleCollector::Collect (ms)
Telemetry self-diagnostics:
- telemetry.ping (ms)
- telemetry.success (No, Yes)