Enabling the Java virtual machine profiler data

Use the Java virtual machine profiler to enable the collection of information.

About this task

Use the Java Virtual Machine Profiler Interface (JVMPI) to collect data about garbage collection and thread states from the Java Virtual Machine (JVM) that runs the application server. When JVMPI is enabled, selected statistics can be enabled to collect specific data using the PMI custom option.

To enable JVMPI data reporting for each individual application server:

Procedure

  1. Open the administrative console.
  2. Click Servers > Application Servers in the administrative console navigation tree.
  3. Click the application server for the JVM profiler that needs enabling.
  4. Click Java and Process Management under Server Infrastructure.
  5. Click Process Definition.
  6. Click Java virtual machine under Additional properties.
  7. Type -XrunpmiJvmpiProfiler in the Generic JVM arguments field.
  8. Click Apply or OK.
  9. Click Save.
  10. Click Servers > Application Servers in the administrative console navigation tree.
  11. Click the application server for the JVM profiler that needs enabling.
  12. Click the Configuration tab. When in the Configuration tab, settings apply when the server is restarted. When in the Runtime Tab, settings apply immediately. Performance Monitoring Infrastructure (PMI) can be enabled only in the Configuration tab.
  13. Click Performance Monitoring Infrastructure under Performance.
  14. Select the Enable Performance Monitoring Infrastructure (PMI) check box.
  15. Click Custom and select JVM Runtime on the left-side tree.
  16. Click a JVM profiler group under JVM Runtime and enable or disable the statistic on the right-side table. Go back to the main PMI configuration page, by clicking PMI.
  17. Click Apply or OK.
  18. Click Save.
  19. Start the application server, or restart the application server if it is currently running.
  20. Refresh the Tivoli Performance Viewer if you are using it. The changes you make will not take effect until you restart the application server.



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Last updated: Aug 29, 2010 5:25:00 PM CDT
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