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 V5R4.0.

Last updated on 20 Mar 2013 at 14:40:41.

Copyright IBM Corporation, 1990, 2013