COUBK Back to Index page
 
Prolog 
Control Block Contents 
   COUBK DSECT
Storage Layout 
Cross Reference (Contains links to field and bit definitions)
Programming Interface Information:
This information is NOT intended to be
used as Programming Interfaces of z/VM.


  COUBK Prolog Top of page
  
 NAME       : HCPCOUBK
 DESCRIPTION: CPU-Counter-Set Controls
 DSECT      : COUBK
 FUNCTION   : Mapping of the CPU-Counter-Set Controls which is used
              to Activate and Deactivate CPU-Measurement Facility
              counter sets.
 LOCATED BY : This control block is not allocated, but overlays existing
              storage (such as SAVEWRK).
 CREATED BY : This control block is not allocated, so it does not get
              created.
 DELETED BY : This control block is not allocated, so it does not get
              deleted.
 REFERENCES : none
 SERIALIZED : N/A
 RELOCATION CONSIDERATIONS : None
 COMPATIBILITY AND MIGRATION CONCERNS : The format of this control block is defined in "The
              Set-Program-Parameter and CPU-Measurement Facilities"
              book and should not be modified.
 
 
  COUBK Control Block Content Top of page
  




 COUBK DSECT
Top of page


Hex   Dec Type/Val   Lng Label (dup)    Comments
---- ---- --------- ---- -------------- --------
0000    0 Structure      COUBK          CPU-Counter-Set Controls
0000    0 Signed       4 *              Reserved for IBM use
0004    4 Bitstring    2 COUENAC        Enable Controls (see QCIAC in
                                        HCPQCIBK COPY for definition of
                                        bits)
0006    6 Bitstring    2 COUACTC        Activation Controls (see QCIAC in
                                        HCPQCIBK COPY for definition of
                                        bits)
          00000001       COUSIZE        (*-COUBK+7)/8 size in double
                                        words
          00000008       COUBSIZE       COUSIZE*8 size in bytes
 
 
  COUBK Storage Layout Top of page
  
          
*** COUBK - CPU-Counter-Set Controls
*
*     +---------------------------+-------------+-------------+
*   0 |///////////////////////////|  COUENAC    |  COUACTC    |
*     +---------------------------+-------------+-------------+
*   8
*
*** COUBK - CPU-Counter-Set Controls
 
 
  COUBK Cross Reference Top of page
  
 
Symbol         Dspl Value
-------------- ---- -----
COUACTC        0006
COUBSIZE       0006 00000008
COUENAC        0004
COUSIZE        0006 00000001
 
This information is based on z/VM 6.3.0 Last updated on 22 May 2013 at 13:54:05 EDT.
Copyright IBM Corporation, 1990, 2013