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Speed Tracer Server-side Tracing with Rack

Posted by igrigorik on July 19, 2010 — 0 comments
Google's Speed Tracer instruments the browser and the V8 VM to show you what the browser is doing: GC, reflow, etc, such that you can optimize the performance of your code. A recent feature is the ability to also bring in server-side traces! Rack-speedtracer is a middleware which allows any Rack compatible app to surface its runtime information in Speed Tracer.

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