Exploring Memory Analysis Views > Exploring the Call Traces View > Opening the Call Traces View
If you took a snapshot with stack traces during a session, you can view use case and garbage collection data in the Call Traces view.
1 In the Snapshot Navigator, right-click the snapshot you want to display and select Open Instances View.
The Instances view displays the object data contained in the snapshot.
2 From the Investigate By drop-down list, choose Use Case Count or Use Case Memory or Dead Count or Dead Memory.
3 Select
in the list a class that has data in the Use Case or Dead columns and
click the Call
Traces toolbar button.
The Call Traces view opens. If the message “Empty Dataset: no matches” appears, either the JVM did not provide traces for the instances, or trace collection was not enabled when the instances were allocated.
• The Merged Traces Tree lists the call tree of the program for the call paths that allocated instances that are still live.
• The Traces Graph displays a call graph of the program for call paths that allocated instances that are still live.
The lower panel displays a list of methods that have allocated live instances during a use case. The data is displayed in the following columns: