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

#### MRSYTXSP

Prolog
Control Block Contents
Storage Layout
Cross Reference

#### MRSYTXSP Prolog

####

####

     DSECT NAME - SYTXSP
     FUNCTION - Map a Monitor record.
     LOCATED BY -
            Through the Monitor Control Area
     REFERENCED CONTROL BLOCKS -
            MRRECHDR    Monitor Record Header
     NAME - MRSYTXSP
     DESCRIPTIVE NAME - Monitor Sample Record
                        Domain 0 - System Domain
                        Record 5 - Expanded Storage Data (per processor)
     DESCRIPTION - Assesses use and benefits derived from expanded
                   storage. A separate record is generated for each
                   online processor. This information should be used
                   with record MRSYTXSG (Domain 0, Record 14) for a
                   complete picture of expanded storage use.

    MRSYTXSP Control Block Contents

    Offsets
    Dec Hex  Type       Len  Name (Dim)          Description

      0   0  Structure   52  SYTXSP              Start of monitor record
      0   0  Character    0  SYTXSP_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     2  SYTXSP_PFXCPUAD     Processor address
     22  16  Unsigned     2  *                   Reserved for IBM use
     24  18  Unsigned     4  SYTXSP_PFXPGIN      Number of fastpath PAGINs for
                                                 this CP. Does not include those in
                                                 SYTXSP_PLSPGIN.
     28  1C  Unsigned     4  SYTXSP_PLSPGIN      Number of PGINs that could not
                                                 be handled by the page fault
                                                 fastpath for this CP
     32  20  Unsigned     4  SYTXSP_PLSPGOUT     Number of CP PGOUTs (to move
                                                 contents of real storage frame to
                                                 the expanded storage so that the
                                                 frame may be added to the
                                                 available list)
     36  24  Unsigned     4  SYTXSP_PLSPGXRD     Number of page table
                                                 translations that resulted in a
                                                 page read from expanded storage.
     40  28  Unsigned     4  SYTXSP_PLSPGXWT     Number of page tables paged to
                                                 expanded storage
     44  2C  Unsigned     4  SYTXSP_PLSPGMRX     Number of page table
                                                 translations that resulted in a
                                                 page read from expanded storage
                                                 during expanded storage migration.
     48  30  Unsigned     4  SYTXSP_PLSPGMRD     Number of page table
                                                 translations that resulted in a
                                                 page read from auxiliary storage
                                                 (DASD) during expanded storage
                                                 migration.
     52  34  Character    0  SYTXSP_END

    MRSYTXSP 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
    SYTXSP                  0     52
    SYTXSP_END             34      0
    SYTXSP_MRHDR            0      0
    SYTXSP_PFXCPUAD        14      2
    SYTXSP_PFXPGIN         18      4
    SYTXSP_PLSPGIN         1C      4
    SYTXSP_PLSPGMRD        30      4
    SYTXSP_PLSPGMRX        2C      4
    SYTXSP_PLSPGOUT        20      4
    SYTXSP_PLSPGXRD        24      4
    SYTXSP_PLSPGXWT        28      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