Programming Interface Information: The Monitor Records are intended Programming Interfaces that allow the customer to write programs to obtain services of z/VM.

#### MRSTOSHD

Prolog
Control Block Contents
Cross Reference

#### MRSTOSHD Prolog

####

####

     DSECT NAME - STOSHD
     FUNCTION - This is an event record that is created whenever
                a NSS, DCSS, or SSP (Segment SPace) is deleted from
                storage (released by the last user).
     LOCATED BY -
            Through the Monitor Control Area
     REFERENCED CONTROL BLOCKS -
            MRRECHDR    Monitor Record Header
     NAME - MRSTOSHD
     DESCRIPTIVE NAME - Monitor Event Record
                        Domain 3  - Storage Domain
                        Record 16 - NSS/DCSS/SSP removed from storage
     DESCRIPTION - Generated when a Named Saved System (NSS),
                   Discontiguous Saved Segment (DCSS), or Segment
                   SPace (SSP) is removed from storage (released by
                   the last user).

    MRSTOSHD Control Block Contents

    Offsets
    Dec Hex  Type       Len  Name (Dim)             Description

      0   0  Structure  112  STOSHD                 Start of monitor record
      0   0  Character    0  STOSHD_MRHDR           record header
      0   0  Character   20  MRHDR
      0   0  Unsigned     2  MRHDRLEN               record length in bytes
      2   2  Unsigned     2  MRHDRZER               field of zeros
      4   4  Unsigned     1  MRHDRDM                domain identifier
      5   5  Unsigned     1  *
      6   6  Unsigned     2  MRHDRRC                record identifier
      8   8  Character    8  MRHDRTOD               Time at which this record was
                                                    built. In time-of-day (TOD)
                                                    clock format. See IBM System
                                                    370 XA Principle of Operation
                                                    for explanation of format.
     16  10  Character    4  *
     20  14  Character    0  MRHDR_END              End of header
     20  14  Character    8  STOSHD_SDFFN           Saved System/Segment
                                                    filename.
     28  1C  Character    8  STOSHD_SDFFT           Saved System/Segment
                                                    filetype.
     36  24  Unsigned     4  STOSHD_SDFCLTIM        Time of data file creation.
     40  28  Signed       2  STOSHD_SDFIDNUM        Spool file identification
                                                    number of this System/Segment.
     42  2A  Character    1  STOSHD_SDFCLASS        Spool file class of this
                                                    System/Segment.
     43  2B  Character    1  *                      Reserved for IBM use
     44  2C  Unsigned     4  STOSHD_ASCCTPRS        Cardinal count of resident
                                                    pages <2G for this saved
                                                    System/Segment. See
                                                    STOSHD_ASCCTPRG for the >2G
                                                    value.
     48  30  Unsigned     4  STOSHD_SNTSTRCT        Number of pages saved in the
                                                    saved System/Segment.
     52  34  Unsigned     4  STOSHD_SNTNDTCT        Number of storage pages
                                                    defined with a 'no data saved'
                                                    page descriptor code.
     56  38  Unsigned     4  STOSHD_ASCCSPST        Cumulative count of frames
                                                    stolen from this saved
                                                    System/Segment.
     60  3C  Unsigned     4  STOSHD_ASCPTRSH        Cumulative count of page
                                                    translations of shaved pages
                                                    for this System/Segment.
     64  40  Character    8  *                      Reserved for IBM use
     72  48  Unsigned     4  STOSHD_ASCCSPGR        Cumulative count of pages
                                                    read from DASD to main storage
                                                    for this saved System/Segment.
     76  4C  Unsigned     4  STOSHD_ASCCSPGW        Cumulative count of pages
                                                    written from main storage to
                                                    DASD for this saved
                                                    System/Segment.
     80  50  Unsigned     4  STOSHD_ASCCSXRD        Cumulative count of pages
                                                    read from expanded to main
                                                    storage for this saved
                                                    System/Segment.
     84  54  Unsigned     4  STOSHD_ASCCSXWT        Cumulative count of pages
                                                    written from main to expanded
                                                    storage for this saved
                                                    System/Segment.
     88  58  Unsigned     4  STOSHD_ASCCSMIG        Cumulative count of pages
                                                    migrated by CP from expanded
                                                    storage to DASD for this saved
                                                    System/Segment.
     92  5C  Unsigned     4  *                      Reserved for IBM use.
                                                    Previous field is no longer
                                                    available. (STOSHD_ASCCTPLK)
     96  60  Unsigned     4  STOSHD_ASCCTPGS        Cardinal count of non-
                                                    preferred paging slots for this
                                                    saved System/Segment.
    100  64  Unsigned     4  STOSHD_ASCCTPRG        Cardinal count of resident
                                                    pages >2G for this saved
                                                    System/Segment. See
                                                    STOSHD_ASCCTPRS for the <2G
                                                    value.
    104  68  Unsigned     4  STOSHD_ASCHLLC         Count of pages locked in Host
                                                    Logical storage for this saved
                                                    System/Segment.
    108  6C  Unsigned     4  STOSHD_ASCHLRC         Host logical resident count.
    112  70  Character    0  STOSHD_END

    MRSTOSHD 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
    STOSHD                     0    112
    STOSHD_ASCCSMIG           58      4
    STOSHD_ASCCSPGR           48      4
    STOSHD_ASCCSPGW           4C      4
    STOSHD_ASCCSPST           38      4
    STOSHD_ASCCSXRD           50      4
    STOSHD_ASCCSXWT           54      4
    STOSHD_ASCCTPGS           60      4
    STOSHD_ASCCTPRG           64      4
    STOSHD_ASCCTPRS           2C      4
    STOSHD_ASCHLLC            68      4
    STOSHD_ASCHLRC            6C      4
    STOSHD_ASCPTRSH           3C      4
    STOSHD_END                70      0
    STOSHD_MRHDR               0      0
    STOSHD_SDFCLASS           2A      1
    STOSHD_SDFCLTIM           24      4
    STOSHD_SDFFN              14      8
    STOSHD_SDFFT              1C      8
    STOSHD_SDFIDNUM           28      2
    STOSHD_SNTNDTCT           34      4
    STOSHD_SNTSTRCT           30      4

    This information is
    based on z/VM V6R1.0.

    Last updated on 8 Oct 2009 at 21:08:13.

    Copyright IBM Corporation, 1990, 2009