You can use a profiler to perform remote profiling on the Sun Java System Web Server to discover bottlenecks in server-side performance.
To configure the JVM Profiler in the Administration interface, perform the following tasks
Access the Server Manager, and choose the Java tab.
Click JVM Profiler.
Specify the classpath, the native library path, and whether the profiler is enabled.
Add, delete or edit JVM options for the profiler, and click OK.
For more information about profilers, see the Sun Java System Web Server 6.1 SP12 Programmer’s Guide.