Displaying the address space storage map (STGMAP)

To show information about the layout of the current address space, invoke the Storage Map display by either:
  • Issuing the STGMAP command from within the interactive reanalysis report.
  • Selecting Services > Storage Map from the action-bar.

There are two variations of the display: Summary and Details.

Initially the Summary display is shown. The Summary display includes the main storage areas of the address space, as well as information about user region sizes and remaining free space.

You can select the Details display from the point-and-shoot field at the top of the Storage Map display. The Details display provides a further breakdown of the main storage areas and the sizes of each area.

When you show the Storage Map from the Dump Storage display, both the Summary display and the Details display indicate the current address.

Storage area names are shown as point-and-shoot fields in both the Summary display and the Details display. Place the cursor on a storage area name and press Enter to select the storage area and display its dump storage. For details, see Displaying data areas.

Figure 1. Sample Storage Map Summary display
   File  View  Services  Help
 ───────────────────────────────────────────────────────────────────────────────
 Storage Map                                                     Line 1 Col 1 80 
 Command ===> ───────────────────────────────────────────────── Scroll ===> CSR   
 Summary Details - JOBNAME: S0C7A     SYSTEM ABEND: 0C7             FAE1      202
                                                                                
 ┌ ───────────────────────────┐ < 100000000_00000000
 │ High Private              │                                                  
 │───────────────────────────│ <---- 20000_00000000                              
 │ Shared Area               │                                                  
 │───────────────────────────│ <------ 200_00000000                              
 │ High Common               │                                                  
 │───────────────────────────│ <------ 1EF_80000000                              
 │ Low Private               │                                                  
 │───────────────────────────│ <-------- 1_00000000                              
 │ Reserved                  │                                                  
 │===========================│ <---------- 80000000 "The Bar"                    
 │ Extended Private          │ <---------- 18B00F7E Current Address              
 │ (Free 31-Bit User Region  │                                                  
 │ = 1006.70 MB)             │                                                  
 │───────────────────────────│ <---------- 18B00000                              
 │ Extended Common           │                                                  
 │===========================│ <---------- 01000000 "The Line"                   
 │ Common                    │                                                  
 │───────────────────────────│ <---------- 00900000                              
 │ Private                   │                                                  
 │ (Free 24-Bit User Region  │                                                  
 │ = 436.00 KB)              │                                                  
 │───────────────────────────│ <---------- 00002000                              
 │ Common                    │                                                  
 └───────────────────────────┘ <---------- 00000000                              
                                                                                
                                                                                
 USER REGION SIZES                                                              
                                                                                
 Requested                                                                      
                                                                                
 REGIONX(400K,1G)                                                               
                                                                                
 Actual                                                                         
                                                                                
 64-Bit. . . . . . . . . . . : X'FFFFFFFF00000000' (16.00 EB)                   
 31-Bit. . . . . . . . . . . : X'40000000' (1.00 GB)                            
 24-Bit. . . . . . . . . . . : X'00074000' (464.00 KB)                          
                                                                                
 *** Bottom of data.