End-to-End Tracing of Ajax Applications Using DTrace

Magnifying Glass from the "Vista Icons" Collection

There are lots of options for tracing web applications. But suppose you need a holistic view, such as a combined trace of the server-side Java and client-side JavaScript in an Ajax app. You might expect your options to drop to zero. Well, they don't.

DTrace can handle it. The Mozilla DTrace Project provides DTrace probes for Firefox's JavaScript engine, and recent versions of the JVM have built-in probes. Amit's latest article shows how to put these together to trace an Ajax application. It produces a true end-to-end picture, with traces flowing across the client/server boundary.

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