Displaying real storage memory statistics

Use the MODIFY AXR,IAXDMEM command to display real storage memory statistics. The IAR049I message displays the following information:
  • Memory utilization statistics in the 1M LFAREA

    The 1M LFAREA is defined by the LFAREA parameter in the IEASYSxx member of parmlib. For details, see the LFAREA information in z/OS MVS Initialization and Tuning Reference.

  • Memory utilization statistics in the 2G LFAREA

    The 2G LFAREA is defined by the LFAREA parameter in the IEASYSxx member of parmlib. For details, see the LFAREA information in z/OS MVS Initialization and Tuning Reference.

  • Memory utilization statistics in the PLAREA

    The PLAREA is defined by the system and contains a pool of pageable 1M frames that can be used to satisfy pageable 1M page requests.

  • General memory utilization statistics

Syntax

The syntax to invoke the IAXDMEM exec is: 

 
F AXR,IAXDMEM

Parameters

The parameters are:

IAXDMEM
The name of the REXX exec that displays the real storage utilization statistics.

The IAXDMEM exec takes no arguments.