Installation
VisualVM is not bundle with OpenJDK 11, but can be easily downloaded, unzipped and ran.
https://visualvm.github.io/download.html
$ wget https://github.com/visualvm/visualvm.src/releases/download/1.4.4/visualvm_144.zip
$ unzip visualvm_144.zip
$ visualvm_144/bin/visualvm
Feature
https://visualvm.github.io/features.html
