Exploring Memory Analysis Views > Exploring the Query Instances View > Understanding the Query Instances View
The instances in this view are grouped by similar reference and referrer types. You can calculate the cumulative and keep alive sizes for a row (or a group of instances) by right-clicking it and selecting Calculate Cumulative/Keep Alive Sizes.
If there is a large number of instances, you can use a query to narrow the set of instances you are investigating. Alternatively, you could just select a row and move on, if you can tell which set of instances is more interesting.
As in the Instances view, you can click the back
and forward
toolbar buttons to move backward
and forward through operations you have already performed, or you can
click the down arrow beside either button and go directly to any of
the other operations that you have performed.
To narrow a set of instances using a query:
1 Select an instance in the Query Instances view.
2 Click
the Query toolbar button.
The Query Instances dialog opens.
3 Build a query using the options provided, then click Add to display them in the text field.
Choose Type a Query and type your query in the Query field.
4 When you have built or typed your query, you can save it by giving it a name and clicking Save.
5 Click Submit to execute the query.
All the instance that do not meet the parameters of the query are removed from the list.
To see the referrers or references for an instance:
• Hover over the # Referrers or # References column for an instance.
A popup displays information about the referrers or references for this instance.