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Memory space was occupied to execute a Program

 
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noorkh

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Joined: 06 Mar 2006
Posts: 76
Location: Chennai

PostPosted: Fri Oct 06, 2006 3:08 pm    Post subject: Memory space was occupied to execute a Program
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Hi,

I need to verify how much memory space was occupied or used to execute a particular program.

Is there any way to find out?

Cheers,
Noor
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MFRASHEED

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Joined: 14 Jun 2005
Posts: 186
Location: USA

PostPosted: Sat Oct 07, 2006 1:43 am    Post subject: Re: Query regarding memory usage
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I think these gives you program region usage, corrections welcome.

For a batch job, after job completes look in MESSAGES log

Code:

IEF374I STEP/STP0200 /STOP  2006279.0511 CPU    4MIN 50.11SEC SRB    0MIN 02.50SEC VIRT   412K SYS   500K EXT    3988K SYS   10188K



The first two numbers (VIRT 412K SYS 500K) are subtotals of your below the line region. The
second two numbers (EXT 3988K SYS 10188K) are subtotals of your above the line region. Add them
together to get the total below and above the line region.
and here is decription of related fields

Code:

REAL/VIRT xxxxK  SYS xxxxK                                                     
    REAL/VIRT xxxxK indicates the maximum kilobytes of storage (high-water     
    mark) that a step used from the user region of the private area. SYS       
    xxxxK indicates the maximum kilobytes of storage (high-water mark)         
    that the address space used from the following areas: LSQA, SWA, and       
    high private area.  The word REAL appears if ADDRSPC=REAL was               
    specified; otherwise, VIRT appears.                                         
                                                                               
EXT xxxxK  SYS xxxxK                                                           
    EXT xxxxK indicates the maximum kilobytes of storage (high-water mark)     
    that a step used from the user region of the extended private area.         
    SYS xxxxK indicates the maximum kilobytes of storage (high-water mark)     
    that the address space used from the following areas: extended LSQA,       
    extended SWA, and extended high private area.                               
                                                                               
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