The aim of this guide is to show you how to activate the JVMD on OEM Cloud Control 12C. According to  these are the main steps to install JVMD
In this little guide an Oracle Fusion Middleware 11G installation is used to demonstrate how to configure Oracle Configuration Manager 12 (OCM). During my experience as a System Administrator, I have seen with surprise that many customers do not use this system because they do not have enough time to configure it or because of the lack of information about it. However, it is important to remark that OCM gives customers the following advantages (Oracle, 2016).
Dead lock detection using JVMD
The aim of this manual is to show how useful is the Java Virtual Machine Diagnostics to find the root cause of a thread deadlock in Java.