tracing-framework by Google

Rich Tracing Choose what methods to trace and add custom data to each event. Track asynchronous flows and actions. Slick Visualization Smoothly dig through millions of events in an awesome UI. See patterns and understand your code like never before.

[stakaya]

リッチクライアントでトラッキングできるフレームワーク。

[cms-kekato]

面白そうなツールが出た。