Look into your JVM with VisualVM

If you want some more information about your JVM, for example your integrated WLS. There is a very easy tool to use, it’s called VisualVM. You can download it from visualvm.java.net. Extract the .zip file and run the \bin\visualvm.exe.

Once the application is started, on the left you can pick a running java container, for example under Local your WebLogic. If you want, you can add remote hosts as well:

Selecting one opens an overview:

Now if you click the monitor tab, you can get more info about CPU, memory, classes and threads. Below an example of a memory graph: