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java-tracer

Java agent for method call tracing (Java 11+).

ideas

Script argument (JSR223) that

  1. Filters classes/methods
  2. Maps runtime match
  3. Executes action

Maybe bundle Groovy JSR223 with agent?

Provide a CLI to write out Groovy script template.

Log agent filter, map, action with different levels for debugging script.

Glossary

  • Filter

    • Define types and methods to trace.

  • Map

    • Define which part of the match to yield.

  • Action

    • Define what to do with Trace Execution Data.
    • Examples:
      • log to slf4j, out/err, or file

  • Trace Execution Data

    • Data for a runtime trace that results from the Map.