Book Image

Oracle JRockit: The Definitive Guide

Book Image

Oracle JRockit: The Definitive Guide

Overview of this book

Oracle JRockit is one of the industry’s highest performing Java Virtual Machines. Java developers are always on the lookout for better ways to analyze application behavior and gain performance. As we all know, this is not as easy as it looks. Welcome to JRockit: The Definitive Guide.This book helps you gain in-depth knowledge of Java from the JVM’s point of view. We will explain how to write code that works well with the JVM to gain performance and scalability. Starting with the inner workings of the JRockit JVM and finishing with a thorough walkthrough of the tools in the JRockit Mission Control suite, this book is for anyone who wants to know more about how the JVM executes your Java application and how to profile for better performance.
Table of Contents (23 chapters)
Oracle JRockit
Credits
Foreword
About the Authors
Acknowledgement
About the Reviewers
Preface
12
Using the JRockit Management APIs
Bibliography
Glossary
AST
CAS
HIR
IR
JFR
JMX
JRA
JSR
LIR
MD5
MIR
PDE
RCP
SWT
TLA
Index

Using the console


Starting a JRockit Management Console is quite easy—simply select the JVM to connect to from the JVM Browser and either click on the Management Console button from the toolbar, or click on Start Console from the context menu.

There is a trick available for starting the console—connections can be dragged and dropped into the editor area. The default action for dragging a connection to the editor area is to open up the Console on the connection. Recollect from Chapter 6, JRockit Mission Control, that connections are either remote or local—the difference being that the local connections are automatically discovered JVMs running on the local machine. This particular trick does not work with local connections, as they cannot be used as sources in drag-and-drop operations.

For more information on the different types of connections and how to establish remote connections, see the previous chapter.

General

The tabs in the Management Console are grouped into different tab groups, the...