Viewing Memory Analysis Results

Prerequisites

A sampling analysis task has been created and the analysis is complete.

Procedure

1. In the Task/Report List area of the Java Profiler page, click the name of the analysis task under Sampling Profiling.
2. Click the Memory tab.
   The allocation of Java objects in the heap is displayed, as shown in Figure 1. For details about the parameters, see Table 1.

   

   Click a class name in the Classes area to view the memory allocation bar chart and call stack of the class. Click to view all the call stacks.

   Figure 1 Memory (all objects)
   

   Table 1 Parameters on the All Objects tab page

   Parameter	Description
   Class	Class name.
   Max. Real Time Count	Maximum number of real-time class instances.
   Max. Real Time Size	Maximum memory usage of the real-time class instances.
   Memory Allocated (MiB)	Memory allocated to the class.

3. Click the Old-Generation Objects tab.
   View the allocation of objects of the old generation in the heap, as shown in Figure 2. Table 2 describes the parameters.

   

   • You can select Stack Trace or Reference Link from the Stack Trace drop-down list on the right of the page.
   • You can enter an object name in the search box to quickly filter data.
   • You can click View Details after to view the tuning suggestions for the current task.

   Figure 2 Memory (old-generation objects)
   

   Table 2 Parameters on the Old-Generation Objects tab page

   Parameter	Description
   Time	Time when the old-generation object is allocated.
   Object	Class name.
   Thread	Thread name.
   Used Heap	Size of the used heap.
   Stack Trace	Stack trace information.
   Reference Link	Reference links.