SYS1.MODGEN(IRACCT) 

Rob Scott
Developer
Rocket Software
275 Grove Street * Newton, MA 02466-2272 * USA
Tel: +1.617.614.2305 
Email: [email protected] 
Web: www.rocketsoftware.com

-----Original Message-----
From: IBM Mainframe Discussion List [mailto:[email protected]] On Behalf Of 
Bob Woodside
Sent: 18 May 2009 13:44
To: [email protected]
Subject: SRM CPU Mgmt Table layout?

        Can anyone tell me where the SRM CPU Management Control Table
(CCT) layout is documented?

        In my copy of "MVS Data Areas", I hit a dead end at the RMCT, which 
contains the RMCTCCT field pointing to the CCT. I can't find a layout for the 
CCT itself.

        I want to include, in a class I'm teaching, a sample Rexx exec that 
fetches the CCVUTILP field from this control block and displays the current CPU 
utilization, to illustrate the use of the Rexx STORAGE function to chase 
through MVS control blocks.

        I've used this technique in a variety of languages, and I don't even 
remember where I first found the recipe for it. The sequence is

        CVT::CVTOPCTP    ==>>  RMCT
        RMCT::RMCTCCT  ==>>  CCT
        CCT + offset x'66'  =  CCVUTILP

        I don't really want to include examples that I can't document properly. 
Some folks don't really like being told "Well, that's just part of the Great 
Oral Tradition (TM)".

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