Monitor Usage Statistics

## Monitor Usage Statistics |

| The monitor usage statistics view shows statically calculated statistics for monitor usage. Note that this view is unavailable if monitor contention views are disabled. 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.