*J: A Tool for Dynamic Analysis of Java Programs

*J is a toolkit which serves two primary purposes:

• To facilitate the collection of dynamic execution data for Java programs
• To provide a framework for implementing analyses of this collected data quickly and easily

These two main goals are accomplished through the use of two separate tools:

• The *J profiling agent collects event trace data from a Java program running in a Java Virtual Machine (JVM) which implements the Java Virtual Machine Profiler Interface (JVMPI)
• The *J trace analyzer framework reads and analyzes the traces produced by the agent, using either a built-in analyses or custom ones.

*J is free software and is licensed under the GNU Lesser General Public License

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