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

Values of primitive type arrays are now shown in "Memory | Quick Info (Ctrl+Q)". The new option "Show thread name and status only" has been added to the "Threads and Deadlocks" view. CPU sampling is now available for IBM Java. Several major stability and performance improvements have been added.

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