Free and dynamic safe tracing system for the Java platform
Version: 1.0BTrace is a free, safe, and dynamic tracing tool for the Java platform. BTrace can be used to dynamically trace a running Java program (similar to DTrace for OpenSolaris applications and OS).
Operating System: Mac OS X
BTrace dynamically instruments the classes of the target application to inject tracing code ("bytecode tracing"). Tracing code is expressed in Java programming language. There is also integration with DTrace for the OpenSolaris platform.
NOTE: BTrace is released and licensed under the terms of the GNU Public License v.2 w/Classpath Exception.