POWBK Back to Index page
 
Prolog 
Control Block Contents 
   POWBK DSECT
   POWPIBE 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.


  POWBK Prolog Top of page
  
 NAME       : HCPPOWBK
 DESCRIPTION: Collect power consumption information
 DSECT      : POWBK
 FUNCTION   : Accumulate power consumption information
 LOCATED BY : SYSPOWBK pointer
 CREATED BY : HCPPOWIN called by HCPIIO @ initialization
 DELETED BY : Never
 SERIALIZED : Processor local or POWLOCK
 RELOCATION CONSIDERATIONS : None
 
 
  POWBK Control Block Content Top of page
  




 POWBK DSECT
Top of page


Hex   Dec Type/Val   Lng Label (dup)    Comments
---- ---- --------- ---- -------------- --------
0000    0 Structure      POWBK          Collect power consumption information
0000    0 Bitstring  104 POWPROGA       Programming area
0000    0 Dbl-Word     8 POWLOCK (3)    POWBK Lockword
0018   24 Signed       8 POWCOUNT       Count of power samples
0020   32 Signed       8 POWTOD         TOD at time of last reading
0028   40 Bitstring    1 POWFLAGS       Flags, defined in HCPPOWBX
0029   41 Bitstring    1 POWCODE        Return reason from HCPPOW
002A   42 Bitstring    2 POWIBM1        Defined in HCPPOWBX
002C   44 Bitstring    4 POWIBM2        Defined in HCPPOWBX
0030   48 Signed       8 POWCPU         Accumulated CPU mW
0038   56 Signed       8 POWSTO         Accumulated memory mW
0040   64 Signed       8 POWIO          Accumulated I/O mW
0048   72 Signed       8 POWTOTCPC      Accumulated total CPC mW
0050   80 Signed       8 POWUNASGN      Accumulated unassigned mW
0058   88 Signed       8 POWINFRA       Accumulated infrastructure mW
0060   96 Bitstring    8 POWIBM3        Defined in HCPPOWBX
0068  104 Bitstring   40 POWIBM4 (0)    Defined in HCPPOWBX
0068  104 Bitstring   16 *
0078  120 Bitstring    8 POWIBM6
0080  128 Bitstring   16 *
0090  144 Bitstring    1 POW4END (0)    End of the section




 POWPIBE DSECT
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Hex   Dec Type/Val   Lng Label (dup)    Comments
---- ---- --------- ---- -------------- --------
0000    0 Structure      POWPIBE        Collect power consumption information
0000    0 Bitstring   72 POWIBM5 (0)
0000    0 Bitstring    8 *
0008    8 Bitstring    8 POWIBM7
0010   16 Bitstring   56 *
0048   72 Bitstring    1 POW5END (0)    End of the section
 
 
  POWBK Storage Layout Top of page
  
          
*** POWBK - Collect power consumption information
*
*     +-------------------------------------------------------+
*   0 |                                                       |
*     =                       POWPROGA                        =
*     |                                                       |
*     +-------------------------------------------------------+
*  68
*
*** POWBK - Collect power consumption information
          
*** Overlay for POWPROGA in POWBK
*
*     +-------------------------------------------------------+
*   0 |                                                       |
*     =                       POWLOCK                         =
*     |                                                       |
*     +-------------------------------------------------------+
*  18 |                       POWCOUNT                        |
*     +-------------------------------------------------------+
*  20 |                        POWTOD                         |
*     +------+------+-------------+---------------------------+
*  28 |:FLAGS|:CODE |  POWIBM1    |         POWIBM2           |
*     +------+------+-------------+---------------------------+
*  30 |                        POWCPU                         |
*     +-------------------------------------------------------+
*  38 |                        POWSTO                         |
*     +-------------------------------------------------------+
*  40 |                        POWIO                          |
*     +-------------------------------------------------------+
*  48 |                      POWTOTCPC                        |
*     +-------------------------------------------------------+
*  50 |                      POWUNASGN                        |
*     +-------------------------------------------------------+
*  58 |                       POWINFRA                        |
*     +-------------------------------------------------------+
*  60 |                       POWIBM3                         |
*     +-------------------------------------------------------+
*  68 |///////////////////////////////////////////////////////|
*     |///////////////////////////////////////////////////////|
*     +-------------------------------------------------------+
*  78 |                       POWIBM6                         |
*     +-------------------------------------------------------+
*  80 |///////////////////////////////////////////////////////|
*     |///////////////////////////////////////////////////////|
*     +-------------------------------------------------------+
*
*** Overlay for POWPROGA in POWBK
          
*** POWPIBE - Collect power consumption information
*
*     +-------------------------------------------------------+
*   0 |///////////////////////////////////////////////////////|
*     +-------------------------------------------------------+
*   8 |                       POWIBM7                         |
*     +-------------------------------------------------------+
*  10 |///////////////////////////////////////////////////////|
*     =///////////////////////////////////////////////////////=
*     |///////////////////////////////////////////////////////|
*     +-------------------------------------------------------+
*
*** POWPIBE - Collect power consumption information
 
 
  POWBK Cross Reference Top of page
  
 
Symbol         Dspl Value
-------------- ---- -----
POWCODE        0029
POWCOUNT       0018
POWCPU         0030
POWFLAGS       0028
POWIBM1        002A
POWIBM2        002C
POWIBM3        0060
POWIBM4        0068
POWIBM5        0000
POWIBM6        0078
POWIBM7        0008
POWINFRA       0058
POWIO          0040
POWLOCK        0000
POWPROGA       0000
POWSTO         0038
POWTOD         0020
POWTOTCPC      0048
POWUNASGN      0050
POW4END        0090
POW5END        0048
 
This information is based on z/VM 7.5.0 Last updated on 22 Jun 2026 at 11:14:53 EDT.
Copyright IBM Corporation, 1990, 2026