Monitor Usage Statistics

  The monitor usage statistics view shows statically calculated statistics for monitor usage. Monitor usage statistics can only be calculated if monitor events have been recorded.

To calculate a statistics, click  Calculate statistics in the tool bar or select View->Calculate Statistics from JProfiler's main menu. If a statistics has been calculated, the context menu also provides access to this action.

Before a statistics is calculated, the monitor usage statistics options dialog is brought up. The resulting statistics table is static and can be re-calculated be executing  Calculate statistics again. The statistics options dialog remembers your last selection.

  The package level statistics table displays five columns:
  • Monitors/Threads/Classes
    Displays the grouping criterion selected in the statistics dialog,
  • Block count
    Shows how often a block operation has been performed on the monitors grouped in this row.
  • Block duration
    Shows the cumulative duration of all block operations performed on the monitors grouped in this row.
  • Wait count
    Shows how often a waiting operation has been performed on the monitors grouped in this row.
  • Wait duration
    Shows the cumulative duration of all waiting operations performed on the monitors grouped in this row.