Performance/Telemetry: Difference between revisions

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== about:memory stats  ==
== about:memory stats  ==
 
The following stats are periodically polled from about:memory:
*Memory:heap-used/js/gc-heap (KB)  
*Memory:heap-used/js/gc-heap (KB)  
*Memory:heap-used/layout/all (KB)  
*Memory:heap-used/layout/all (KB)  

Revision as of 16:52, 23 May 2011

Telemetry allows developers to receive aggregate data of browser health in the field (docs).

The following statistics are currently gathered:


about:memory stats

The following stats are periodically polled from about:memory:

  • Memory:heap-used/js/gc-heap (KB)
  • Memory:heap-used/layout/all (KB)
  • Memory:mapped/heap/used (KB)

Latency stats:

  • nsCycleCollector::Collect (ms) - Time spent on cycle collection

Telemetry self-diagnostics:

  • telemetry.ping (ms) - Delay between submitting telemetry ping data and getting a response from server.
  • telemetry.success (No, Yes) - Whether the past telemetry pings succeeded 1:No 2:Yes.