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

#### MRSYTSXG

Prolog
Control Block Contents
Cross Reference

#### MRSYTSXG Prolog

####

####

     DSECT NAME - SYTSXG
     FUNCTION - Map a Monitor record.
     LOCATED BY -
            Through the Monitor Control Area
     REFERENCED CONTROL BLOCKS -
            MRRECHDR    Monitor Record Header
     NAME - MRSYTSXG
     DESCRIPTIVE NAME - Monitor Sample Record
                        Domain 0  - System Domain
                        Record 21 - System Execution Space (Global)
     DESCRIPTION - Utilization of System Execution Space storage on a
                   global basis.

    MRSYTSXG Control Block Contents

    Offsets
    Dec Hex  Type       Len  Name (Dim)             Description

      0   0  Structure   84  SYTSXG                 Start of monitor record
      0   0  Character    0  SYTSXG_MRHDR           Record header. See MRRECHDR
                                                    for details.
      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  Unsigned     4  SYTSXG_SXSSIZE         System Execution Space size
                                                    in pages.
     24  18  Unsigned     4  SYTSXG_RSASXAVL        Count of available System
                                                    Execution Space pages.
     28  1C  Unsigned     4  SYTSXG_RSASXBKA        Count of System Execution
                                                    Space pages backed above 2G.
     32  20  Unsigned     4  SYTSXG_RSASXBKB        Count of System Execution
                                                    Space pages backed below 2G.
     36  24  Unsigned     4  SYTSXG_RSASXUSD        Count of System Execution
                                                    Space pages in use as CP pages
                                                    or aliases including no-owned
                                                    aliases and System Execution
                                                    Space pages assigned to tasks
                                                    deferred on frames in the real
                                                    storage manager.
     40  28  Unsigned     4  SYTSXG_RSASXUCP        Count of System Execution
                                                    Space pages in use as CP pages.
                                                    This includes free storage,
                                                    HCPGETST PAGES=, and pages
                                                    permanently allocated at
                                                    initialization.
     44  2C  Unsigned     4  SYTSXG_RSASXUID        Count of all ID-mapped System
                                                    Execution Space pages (host
                                                    logical = host real), primarily
                                                    CP nucleus and Prefix pages.
     48  30  Unsigned     4  SYTSXG_RSASXUFS        Count of System Execution
                                                    Space pages with backing frames
                                                    below 2G.
     52  34  Unsigned     4  SYTSXG_RSASXUFG        Count of System Execution
                                                    Space pages with backing frames
                                                    above 2G.
     56  38  Unsigned     4  SYTSXG_RSASXALI        Count of System Execution
                                                    alias pages associated with
                                                    "pageable FRMTEs" and may be
                                                    stealable if not last
                                                    translated or locked. Also
                                                    includes count of no-owned
                                                    SXSTEs.
     60  3C  Unsigned     4  SYTSXG_RSASXNOP        Count of no-owned System
                                                    Execution Space alias pages.
     64  40  Unsigned     4  SYTSXG_RSASXCLA        Count of locked System
                                                    Execution Space alias pages.
     68  44  Unsigned     4  SYTSXG_RSASXQCT        Number of pages on the System
                                                    Execution Space unbacked
                                                    available queue.
     72  48  Unsigned     4  SYTSXG_RSASXACT        Number of pages on the System
                                                    Execution Space backed-above-2G
                                                    available queue.
     76  4C  Unsigned     4  SYTSXG_RSASXBCT        Number of pages on the System
                                                    Execution Space backed-below-2G
                                                    available queue.
     80  50  Unsigned     4  SYTSXG_RSARSVSY        Count of total reserved
                                                    pages.
     84  54  Character    0  SYTSXG_END

    MRSYTSXG 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
    SYTSXG                     0     84
    SYTSXG_END                54      0
    SYTSXG_MRHDR               0      0
    SYTSXG_RSARSVSY           50      4
    SYTSXG_RSASXACT           48      4
    SYTSXG_RSASXALI           38      4
    SYTSXG_RSASXAVL           18      4
    SYTSXG_RSASXBCT           4C      4
    SYTSXG_RSASXBKA           1C      4
    SYTSXG_RSASXBKB           20      4
    SYTSXG_RSASXCLA           40      4
    SYTSXG_RSASXNOP           3C      4
    SYTSXG_RSASXQCT           44      4
    SYTSXG_RSASXUCP           28      4
    SYTSXG_RSASXUFG           34      4
    SYTSXG_RSASXUFS           30      4
    SYTSXG_RSASXUID           2C      4
    SYTSXG_RSASXUSD           24      4
    SYTSXG_SXSSIZE            14      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