More on monitoring Java on z/OS

The IBM JVM, as implemented on z/OS is multi-threaded environment.  What this means is that in a JVM there may be multiple work items executing simultaneously.  To maintain the control and integrity of resources the JVM will use structures, such as locks, to control serialization and maintain integrity.  OMEGAMON for JVM will provide information on locks and lock usage inside the JVM.

The following is an example of the lock display within OMEGAMON: