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
Storage Layout
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 V4R3.0.

    Last updated on 1 May 2002 at 16:20:33.

    Copyright IBM Corporation, 1990, 2002