Java profiling tools

This page is for documentation of tools we find useful for profiling Java applications in terms of memory usage, method calls, speed performance, etc.

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Open-source profiling tools

Using Yourkit

Profiling uP Quickstart

1) Install YourKit Java Profiler

2) Update tomcatstart target in build.xml to include:


<target name="tomcatstart">
  <echo message="Starting Tomcat 5.0.28"/>
  <java fork="true"
        dir="${basedir}"
        classname="org.apache.catalina.startup.Bootstrap">
    <jvmarg value="-Xrunyjpagent"/>
...

3) Start uP Quickstart...in the console you should see something like:


[java] [YourKit Java Profiler 3.1.1 #449] Listening on port 10000...

4) Start YourKit and connect to port 10000

Profiling uP Source running under Tomcat

1) Install YourKit Java Profiler

2) Add "-Xrunyjpagent" to JAVA_OPTS in either startup.sh or startup.bat

3) Start uPortal in the console you should see something like:


[java] [YourKit Java Profiler 3.1.1 #449] Listening on port 10000...

4) Start YourKit and connect to port 10000

For more information see Profiling Memory and CPU usage with YourKit.