Programming Interface Information:
The Monitor Records are intended Programming Interfaces that allow the customer to write programs to obtain services of z/VM. |
MRIODTOF
PrologControl 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 V6R3.0.
Last updated on 22 Jul 2013 at 15:07:38.
Copyright IBM Corporation, 1990, 2013