A utility to diagnostics JVM processes using the Dynamic Attach mechanism.
It is a Rust implementation of the HotSpotVirtualMachine and OpenJ9VirtualMachine from the tools.jar of the JDK. However, No installed JDK required, works with just JRE.
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jattacher jps—— List all Java processes along with comprehensive process information, going beyond the default JPS output provided by OpenJ9 and HotSpot. -
jattacher jps --json—— Output data in JSON format. -
jattacher jps --dashboard—— Display Java process information in real time.