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

#### MRSYTASG

Prolog
Control Block Contents
Cross Reference

#### MRSYTASG Prolog

####

####

     DSECT NAME - SYTASG
     FUNCTION - Map a Monitor record.
     LOCATED BY -
              Through the Monitor Control Area
     REFERENCED CONTROL BLOCKS -
            MRRECHDR    Monitor Record Header
     NAME - MRSYTASG
     DESCRIPTIVE NAME - Monitor Sample Record
                        Domain 0 - System Domain
                        Record 6 - Auxiliary Storage (Global)
     DESCRIPTION - Allocation and use of storage between CP and users.

    MRSYTASG Control Block Contents

    Offsets
    Dec Hex  Type       Len  Name (Dim)             Description

      0   0  Structure   84  SYTASG
      0   0  Character    0  SYTASG_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  SYTASG_CAL90FUL        Number of times available
                                                    paging slots were 90 percent
                                                    full. SAL90FUL in paging data
                                                    area of HCPPGD
     24  18  Unsigned     4  SYTASG_CAL91FUL        Number of times available
                                                    spooling slots were 90 percent
                                                    full. SAL90FUL in spooling data
                                                    area of HCPPGD
     28  1C  Unsigned     4  SYTASG_CALSLTA1        Total number of slots which
                                                    have been allocated for paging.
                                                    SALSLTAV in paging data area of
                                                    HCPPGD.
     32  20  Unsigned     4  SYTASG_CALSLTI1        Total number of slots which
                                                    are currently being used by
                                                    paging. SALSLTIU in paging data
                                                    area of HCPPDG.
     36  24  Unsigned     4  *                      Reserved for IBM use
     40  28  Unsigned     4  *                      Reserved for IBM use
     44  2C  Unsigned     4  SYTASG_CALSLTA2        Total number of slots which
                                                    have been allocated for
                                                    spooling. SALSLTAV in spooling
                                                    data area of HCPPGD.
     48  30  Unsigned     4  SYTASG_CALSLTI2        Total number of slots which
                                                    are currently being used by
                                                    spooling. SALSLTIU in spooling
                                                    data area of HCPPGD.
     52  34  Unsigned     4  SYTASG_SYSSFCRT        Cumulative number of files
                                                    which have been created. This
                                                    includes both spool files and
                                                    system data files, but not
                                                    those files which have already
                                                    been purged.
     56  38  Unsigned     4  SYTASG_SYSSFPUR        Number of files which have
                                                    been purged. This includes both
                                                    spool and system data files,
                                                    but not the system data files
                                                    in the pending purge state.
     60  3C  Unsigned     4  SYTASG_CALTOTM1        Sum of modified Device Load
                                                    (MLOAD) on system paging
                                                    exposures. MLOAD is the product
                                                    of the number of pages in the
                                                    outstanding I/O requests on the
                                                    device multiplied by the
                                                    service time of the device.
                                                    From SALTOTML in paging area of
                                                    HCPPGD.
     64  40  Unsigned     4  SYTASG_CALAVGM1        Average system MLOAD
                                                    (Modified Device Load). From
                                                    SALAVGML in paging area of
                                                    HCPPGD
     68  44  Unsigned     4  SYTASG_CALTOTM2        Sum of modified Device Load
                                                    (MLOAD) on system spooling
                                                    exposures. MLOAD is the product
                                                    of the number of pages in the
                                                    outstanding I/O requests on the
                                                    device multiplied by the
                                                    service time of the device.
                                                    From SALTOTML in spooling area
                                                    of HCPPGD.
     72  48  Unsigned     4  SYTASG_CALAVGM2        Average system MLOAD
                                                    (Modified Device Load). From
                                                    SALAVGML spooling area of
                                                    HCPPGD
     76  4C  Unsigned     4  SYTASG_CALDMPAV        Total number of dump slots
                                                    available on special dump-only
                                                    volumes
     80  50  Unsigned     4  SYTASG_CALDMPIU        Total number of dump slots in
                                                    use on special dump-only
                                                    volumes
     84  54  Character    0  SYTASG_END

    MRSYTASG 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
    SYTASG                     0     84
    SYTASG_CALAVGM1           40      4
    SYTASG_CALAVGM2           48      4
    SYTASG_CALDMPAV           4C      4
    SYTASG_CALDMPIU           50      4
    SYTASG_CALSLTA1           1C      4
    SYTASG_CALSLTA2           2C      4
    SYTASG_CALSLTI1           20      4
    SYTASG_CALSLTI2           30      4
    SYTASG_CALTOTM1           3C      4
    SYTASG_CALTOTM2           44      4
    SYTASG_CAL90FUL           14      4
    SYTASG_CAL91FUL           18      4
    SYTASG_END                54      0
    SYTASG_MRHDR               0      0
    SYTASG_SYSSFCRT           34      4
    SYTASG_SYSSFPUR           38      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