SDRREC Back to Index page
 
Prolog 
Control Block Contents 
   SDRREC 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.


  SDRREC Prolog Top of page
 
 NAME       : SDRREC
 DESCRIPTION: STATISTICAL DATA RECORDING BLOCK
 DSECT      : SDRREC
 FUNCTION   : SDRREC CONTAINS COUNTERS TO RECORD TEMPORARY
              ERRORS ON A GIVEN I/O DEVICE.
 LOCATED BY : RDEVSDR FIELD OF HCPRDEV.
 CREATED BY : HCPIOE
 DELETED BY : HCPIOE
 RELOCATION CONSIDERATIONS : None
 
 
  SDRREC Control Block Content Top of page
 

 SDRREC DSECT Top of page
Hex Dec Type/Val Lng Label (dup) Comments ---- ---- --------- ---- -------------- -------- 0000 0 Structure SDRREC STATISTICAL DATA RECORDING BLOCK 0000 0 Signed 4 SDRRDEV ADDRESS OF ASSOCIATED RDEVBLOK 0004 4 Bitstring 1 SDRFLAGS SDRREC FLAGS 1... .... SDRSHRT X'80' SDRSHRT SHORT OBR TO BE WRITTEN .1.. .... SDRRECD X'40' SDRRECD TO BE RECORDED ON CNTR OVERFLOW ..1. .... SDRMAX X'20' SDRMAX MAX NUMBER OF SDR CNTRS HANDLED 0005 5 Bitstring 1 SDRPRMCT PARAMETER LIST COUNTER 0006 6 Bitstring 1 SDRFLCT FULL BYTE COUNTER 0007 7 Bitstring 1 SDROVFWK STATISTICAL UPDATE WORK BYTE 0008 8 Bitstring 1 SDRLNGTH LENGTH (BYTES) OF SDR COUNTERS 0009 9 Bitstring 3 SDRCUAD PRIMARY ADDRESS OF DEVICE USED 000C 12 Bitstring 1 SDRCTRS (10) SDR ERROR COUNTERS 0016 22 Bitstring 1 SDRCTRS1 (10) ADDITIONAL SDR ERROR CNTR FOR DEVICES WHICH USE MORE THAN 10. 0000000C SDRBLEN SDRCTRS-SDRREC HEADER SIZE IN BYTES 00000004 SDRSIZE (*-SDRREC+7)/8 SDRREC SIZE IN DW'S
 
 
  SDRREC Storage Layout Top of page
 
          
*** SDRREC - STATISTICAL DATA RECORDING BLOCK
*
*     +---------------------------+------+------+------+------+
*   0 |         SDRRDEV           |:FLAGS|:PRMCT|:FLCT |:OVFWK|
*     +------+--------------------+------+------+------+------+
*   8 |:LNGTH|      SDRCUAD       |         SDRCTRS           |
*     +------+--------------------+             +-------------+
*  10 |                                         |  SDRCTRS1   |
*     +-----------------------------------------+             |
*     |                                                       |
*     +-------------------------------------------------------+
*  20
*
*** SDRREC - STATISTICAL DATA RECORDING BLOCK
 
 
  SDRREC Cross Reference Top of page
 
 
Symbol         Dspl Value
-------------- ---- -----
SDRBLEN        0016 0000000C
SDRCTRS        000C
SDRCTRS1       0016
SDRCUAD        0009
SDRFLAGS       0004
SDRFLCT        0006
SDRLNGTH       0008
SDRMAX         0004 20
SDROVFWK       0007
SDRPRMCT       0005
SDRRDEV        0000
SDRRECD        0004 40
SDRSHRT        0004 80
SDRSIZE        0016 00000004
 
This information is based on z/VM 7.2.0 Last updated on 24 Jun 2020 at 09:32:22 EDT.
Copyright IBM Corporation, 1990, 2020