YourKit Java Profiler is a CPU and memory profiler that makes it easy to solve wide range of CPU- and memory-related performance problems. It features automatic leak detection, powerful tools for the analysis of memory distribution, an object heap browser, comprehensive memory tests as part of your JUnit testing process, extremely low profiling overhead, transparent deobfuscation support, and integration with Eclipse, JBuilder, IntelliJ IDEA, NetBeans, and JDeveloper IDEs.

Changes

A problem which occurred when classes defined with a call to ClassLoader.defineClass() with name=null were not instrumented was fixed.

URL: Java Profiler - .NET Profiler - The profilers for Java and .NET professionals