MRSTOREM

MRSTOREM Prolog

 DSECT NAME - STOREM
 FUNCTION - Map a Monitor record.
 LOCATED By -
        Through the Monitor Control Area
 REFERENCED CONTROL BLOCKS -
        MRRECHDR    Monitor Record Header
 NAME - MRSTOREM
 DESCRIPTIVE NAME - Monitor Event Record
                    Domain 3 - Storage Domain
                    Record 23 - Central Storage Remove
 DESCRIPTION - Generated whenever central storage is removed
               from the real memory configuration
 NOTES:

MRSTOREM Control Block Contents

Offsets
Dec  Hex  Type        Len  Name (Dim)             Description
 
   0   0  Structure   148  STOREM                 Start of monitor record
   0   0  Character     0  STOREM_MRHDR           Record header - see
                                                  MRRECHDR for details
   0   0  Character    20  MRHDR
   0   0  Unsigned      2  MRHDRLEN
   2   2  Unsigned      2  MRHDRZER
   4   4  Unsigned      1  MRHDRDM
   5   5  Unsigned      1  *
   6   6  Unsigned      2  MRHDRRC
   8   8  Character     8  MRHDRTOD
  16  10  Character     4  *
  20  14  Character     0  MRHDR_END
  20  14  Bitstring     1  STOREM_DSRFLAG0        Flag byte identifying
                                                  charactistics of the SET
                                                  STORAGE operation.
          1... ....        *
          .1.. ....        *
          ..1. ....        *
          ...1 ....        *
          .... 1...        *
          .... .1..        STOREM_DSRF0MAXF       MAXPAGEFULL operand
                                                  specified.
          .... ..1.        STOREM_DSRF0FORC       FORCE operand specified.
                                                  Valid only if the reconfig is
                                                  a remove operation.
          .... ...1        *
  21  15  Unsigned      1  STOREM_CALHALTFLAG     Halt byte sourced
                                                  from DSRcode0:
                                                  3 - Halted by system
                                                  4 - Halted by user
                                                  5 - Internal failure
  22  16  Character     1  STOREM_DSRWARNPC       MAXPAGEFULL percent used
                                                  for a storage removal
                                                  operation. This value was
                                                  requested using the
                                                  MAXPAGEFULL operand on the
                                                  SET STORAGE command, or
                                                  defaulted to the
                                                  paging-warning percent
                                                  established by the PAGING
                                                  WARNING system config
                                                  statement or a previous SET
                                                  PAGING WARNING command.
  23  17  Character     8  STOREM_DSRUSERID       Userid who issued the SET
                                                  STORAGE command to initiate
                                                  the reconfiguration.
  31  1F  Character     8  STOREM_DSRHALTID       Userid who issued the SET
                                                  STORAGE HALT command
                                                  terminating the
                                                  reconfiguration.
  39  27  Character     1  STOREM_DSRHALTPC       The anticipated paging-full
                                                  percent calculated by the
                                                  system causing the system to
                                                  halt the storage removal
                                                  operation prior to
                                                  completion.
  40  28  Character     8  STOREM_CALRECONFREQ    Amount of reconfigurable
                                                  storage to remove in bytes
  48  30  Character     8  STOREM_CALRECONFREM    Amount of reconfig storage
                                                  removed
  56  38  Character     8  STOREM_SYSRECNF        Total amount of reconfig
                                                  storage after the
                                                  reconfiguration completed.
  64  40  Unsigned      8  STOREM_CALWALLTOD      Cumulative amount of
                                                  wall-clock time CP spent
                                                  communicating with the
                                                  machine to deconfigure
                                                  partition storage for this
                                                  storage removal operation.
  72  48  Unsigned      4  STOREM_RSAPZONESACTIVEB2G Resulting number
                                                  of available list zones in
                                                  storage < 2G.
  76  4C  Unsigned      4  STOREM_RSAPZONESACTIVEA2G Resulting number
                                                  of available list zones in
                                                  storage < 2G.
  80  50  Unsigned      4  STOREM_RSARZONESACTIVEA2G Resulting number
                                                  of available reconfigurable
                                                  list zones in storage > 2G.
  84  54  Character     8  STOREM_DSRAVAILZONESVAC Number of available
                                                  list zones vacated
  92  5C  Unsigned      8  STOREM_DSRPAGESMOVED   Number of pages whose
                                                  content was moved out of a
                                                  vacating zone.
 100  64  Unsigned      8  STOREM_DSRPGSKPSER     Number of times pages were
                                                  skipped when vacating storage
                                                  because the necessary
                                                  serialization could not be
                                                  obtained.
 108  6C  Unsigned      8  STOREM_DSRPGSKPPIN     Number of times pages were
                                                  skipped because they were
                                                  pinned in storage.
 116  74  Unsigned      8  STOREM_DSRPGSKPFRM     Number of times pages were
                                                  skipped because there were no
                                                  frames available to move the
                                                  page content.
 124  7C  Unsigned      8  STOREM_DSRTOTVCFBKS    Number of Vacator Frame
                                                  Blocks (VCFBKs) obtained
                                                  during the storage removal
                                                  operation.
 132  84  Unsigned      8  STOREM_CALSXSTOTAL     Total amount of SXS
                                                  storage.
 140  8C  Character     8  STOREM_SYSPERMA        Total amount of PERM storage
                                                  after reconfiguration.
 148  94  Character     0  STOREM_END

MRSTOREM Cross Reference

                      Hex           Hex
Name                  Offset Length Value
 
MRHDR                      0     20
MRHDR_END                 14      0
MRHDRDM                    4      1
MRHDRLEN                   0      2
MRHDRRC                    6      2
MRHDRTOD                   8      8
MRHDRZER                   2      2
STOREM                     0    148
STOREM_CALHALTFLAG        15      1
STOREM_CALRECONFREM       30      8
STOREM_CALRECONFREQ       28      8
STOREM_CALSXSTOTAL        84      8
STOREM_CALWALLTOD         40      8
STOREM_DSRAVAILZONESVAC   54      8
STOREM_DSRFLAG0           14      1
STOREM_DSRF0FORC          14           02
STOREM_DSRF0MAXF          14           04
STOREM_DSRHALTID          1F      8
STOREM_DSRHALTPC          27      1
STOREM_DSRPAGESMOVED      5C      8
STOREM_DSRPGSKPFRM        74      8
STOREM_DSRPGSKPPIN        6C      8
STOREM_DSRPGSKPSER        64      8
STOREM_DSRTOTVCFBKS       7C      8
STOREM_DSRUSERID          17      8
STOREM_DSRWARNPC          16      1
STOREM_END                94      0
STOREM_MRHDR               0      0
STOREM_RSAPZONESACTIVEA2G 4C      4
STOREM_RSAPZONESACTIVEB2G 48      4
STOREM_RSARZONESACTIVEA2G 50      4
STOREM_SYSPERMA           8C      8
STOREM_SYSRECNF           38      8

This information is
based on z/VM V7R3.0.

Last updated on 09 September 2022 at 15:01:05.

Copyright IBM Corporation, 1990, 2022