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

#### MRIODTOF

Prolog
Control Block Contents
Cross Reference

#### MRIODTOF Prolog

####

####

     DSECT NAME - IODTOF
     FUNCTION - Map a Monitor record.
     LOCATED BY -
            Through the Monitor Control Area
     REFERENCED CONTROL BLOCKS -
            MRRECHDR    Monitor Record Header
     NAME - MRIODTOF
     DESCRIPTIVE NAME - Monitor Event Record
                        Domain  6 - I/O Domain
                        Record 19 - Set Throttle Off
     DESCRIPTION - Indicates that a device has been removed from the
                   throttle set.

    MRIODTOF Control Block Contents

    Offsets
    Dec Hex  Type       Len  Name (Dim)             Description

      0   0  Structure   40  IODTOF                 Start of monitor record
      0   0  Character    0  IODTOF_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  IODTOF_RDEVSID         Host subchannel I.D. number
                                                    defined at initialization
     24  18  Unsigned     2  IODTOF_RDEVDEV         Device number
     26  1A  Unsigned     2  *                      Reserved and available for
                                                    IBM use.
     28  1C  Unsigned     4  IODTOF_THRDLYS         Cumulative count of I/O
                                                    requests that were delayed.
     32  20  Character    8  IODTOF_THRIORTE        I/O rate expressed as the TOD
                                                    clock increment between I/O
                                                    operations.
     40  28  Character    0  IODTOF_END

    MRIODTOF Cross Reference

                          Hex           Hex
    Name                 Offset Length Value

    IODTOF                     0     40
    IODTOF_END                28      0
    IODTOF_MRHDR               0      0
    IODTOF_RDEVDEV            18      2
    IODTOF_RDEVSID            14      4
    IODTOF_THRDLYS            1C      4
    IODTOF_THRIORTE           20      8
    MRHDR                      0     20
    MRHDR_END                 14      0
    MRHDRDM                    4      1
    MRHDRLEN                   0      2
    MRHDRRC                    6      2
    MRHDRTOD                   8      8
    MRHDRZER                   2      2

    This information is
    based on z/VM V6R1.0.

    Last updated on 20 Mar 2013 at 14:45:13.

    Copyright IBM Corporation, 1990, 2013