Starting the tool
- Create a directory
- Uncompress the package
- Run jpal executable. jpal.exe for example
If you get Java heap exhaustion due to large trace, please use -vmargs -Xmx option to increase Java Heap.
For example, jpal -vmargs -Xmx1024m will allocate 1 GB of Java heap to the tool environment
The tool requires Java Runtime Environment 5.0 or higher. If your default Java Runtime Environment is not 5.0, please use -vm option to allow the tool to find Java Runtime Environment.
For example, jpal -vm c:\java5\bin\java.exe
- The following is the screenshot of the tool
- Select menus, File -> Open or open button
- Select performance log and thread dumps
- Wait while logs and dumps are analyzed
- Analysis is completed. Click on vertical red line where thread dump is generated.
- Thread View displays thread list with CPU usage.
- Thread View also displays process identifier, thread id,user id and command line (if thread name is not available).
- Click on a thread to display thread details and Thread Stack Trace.
- Select Help menu to get more information