Starting the tool

  1. Create a directory
  2. Uncompress the package
  3. Run jpa executable. jpa.exe for example
    If you get Java heap exhaustion due to large trace, please use -vmargs -Xmx option to increase Java Heap.
    For example, jpa -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, jpa -vm c:\java5\bin\java.exe

    The following is the screenshot of the tool

    Initial screen

  4. Select menus, File -> Open or open button

    File open

  5. Select performance log and thread dumps

    Open trace

  6. Analysis is completed. Click on vertical red line where thread dump is generated.
    Thread View displays thread list with CPU usage. Click on a thread to see details in StackTrace View.

    Analysis View

  7. Select Help menu to get more information

    Help