Welcome to the 1.3 release of HPjtune. Use the navigation bar at the left to locate help on a particular topic.
HPjtune is a performance analysis tool, written in pure Java, that helps you analyze and improve Java Garbage Collector performance on HotSpot VM.
To use HPjtune, you need to first create a data collection file, which you obtain by running your application with a specified option. You then analyze the data collection file in HPjtune. See Collecting Java Virtual Machine Data for more information.