JVMPERF

The Java Flight Recorder (JFR) is a very low overhead profiling and diagnostics tool. It was inherited from the JRockit JVM, and originally was offered as part of the HotSpot JVM. It is designed to be "black box" data recorder of the the run-time, which can be used in production environments, making it an attractive tool for profiling code since it has low overhead on the JVM... Newer versions of JMC are developed as part of the OpenJDK Mission Control project... Java performance workshop that leverages open-source tooling to discover how your JVM is performing.