GCViewer is a little tool that visualizes verbose GC output generated by Sun / Oracle, IBM, HP and BEA Java Virtual Machines. It is free software released under GNU LGPL. You can start GCViewer (gui) by simply double-clicking on gcviewer-1.3x.jar or running java -jar gcviewer-1.3x.jar (it needs a java 1.8 vm to run). For a cmdline based report summary just type the following to generate a report (

