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

#### MRSYTRSP

Prolog
Control Block Contents
Cross Reference

#### MRSYTRSP Prolog

####

####

     DSECT NAME - SYTRSP
     FUNCTION - Map a Monitor record.
     LOCATED BY -
            Through the Monitor Control Area
     REFERENCED CONTROL BLOCKS -
            MRRECHDR    Monitor Record Header
     NAME - MRSYTRSP
     DESCRIPTIVE NAME - Monitor Sample Record
                        Domain 0 - System Record
                        Record 4 - Real Storage Data (Per Processor)
     DESCRIPTION - Real storage exception conditions. Provides
                   an indication of memory contention and load.
                   A separate record is generated per online
                   processor.

    MRSYTRSP Control Block Contents

    Offsets
    Dec Hex  Type       Len  Name (Dim)             Description

      0   0  Structure   60  SYTRSP                 Start of monitor record
      0   0  Character    0  SYTRSP_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  Unsigned     2  SYTRSP_PFXCPUAD        Processor address
     22  16  Unsigned     2  *                      Reserved for IBM use
     24  18  Unsigned     4  SYTRSP_PLSSTLFR        Count of frames taken to
                                                    satisfy the free storage extend
                                                    condition.
     28  1C  Unsigned     4  SYTRSP_PLSPRQDF        Count of tasks deferred while
                                                    waiting for a page.
     32  20  Unsigned     4  SYTRSP_PLSSHRRD        Total number of page reads
                                                    and PAGINs for shared pages
     36  24  Unsigned     4  SYTRSP_PLSALEMP        Number of times the <2G
                                                    available list became empty.
                                                    See SYTRSP_PLSALEMG for the >2G
                                                    value.
     40  28  Unsigned     4  SYTRSP_PLSNOCMP        Number of times the demand
                                                    scan ran and was unable to
                                                    obtain enough frames.
     44  2C  Unsigned     4  SYTRSP_PLSMVB2G        Number of page translations
                                                    that resulted in the page being
                                                    moved from a frame >= 2GB to
                                                    one < 2GB.
     48  30  Unsigned     4  SYTRSP_PLSALEMG        Number of times the >2G
                                                    available list became empty.
                                                    See SYTRSP_PLSALEMP for the <2G
                                                    value.
     52  34  Unsigned     4  SYTRSP_PLSGCLEM        Number of times replenishment
                                                    of the Local Cleared Available
                                                    List on this processor saw the
                                                    Global Cleared Available List
                                                    empty.
     56  38  Unsigned     4  SYTRSP_PLSMVABV        Number of times a page with
                                                    an address <2G was moved to a
                                                    frame with an address >=2G.
     60  3C  Character    0  SYTRSP_END

    MRSYTRSP 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
    SYTRSP                     0     60
    SYTRSP_END                3C      0
    SYTRSP_MRHDR               0      0
    SYTRSP_PFXCPUAD           14      2
    SYTRSP_PLSALEMG           30      4
    SYTRSP_PLSALEMP           24      4
    SYTRSP_PLSGCLEM           34      4
    SYTRSP_PLSMVABV           38      4
    SYTRSP_PLSMVB2G           2C      4
    SYTRSP_PLSNOCMP           28      4
    SYTRSP_PLSPRQDF           1C      4
    SYTRSP_PLSSHRRD           20      4
    SYTRSP_PLSSTLFR           18      4

    This information is
    based on z/VM V5R2.0.

    Last updated on 11 Dec 2005 at 18:48:12.

    Copyright IBM Corporation, 1990, 2005