Heap Walker - Time View

The heap walker time view conforms to the basic layout of all heap walker views. Also see the help on key concepts for the entire heap walker.

The time view shows a time-resolved histogram of object allocations. The bin size depends on the zoom level.

This view can only be used if the "Record object allocation times" feature is activated on the "Memory Profiling" tab of the profiling settings dialog. Allocation times are only available for recorded objects. The number of unrecorded objects is displayed above the graph.

When you move the mouse across the time view, the time at the position of the mouse cursor will be shown in JProfiler's status bar.

Please see the help on graphs with a time axis for help on common properties of graph views.

You can select multiple time intervals by

clicking and dragging with the mouse on the graph in the horizontal direction.
choosing the select up to here action from the context menu.
choosing the select from here action from the context menu.
choosing the select between bookmarks action from the tool bar right above the view or the context menu. A dialog will be shown that allows you to select a range of bookmarks. All objects allocated between the first selected and the last selected bookmark are selected in the view.

You can clear your selections by clicking on the

clear selections button at the top of the view or by selecting the corresponding action from the context menu.

To add a selection step from this view you can select one or more time intervals and click the [Use selected] button above the graph.

A new object set will be created that contains only the instances of the selected objects. After your selection, the view helper dialog will assist you in choosing the appropriate view for the new object set.