Programming Interface Information:
The Monitor Records are intended Programming Interfaces that allow the customer to write programs to obtain services of z/VM. |
MRUSETRE
PrologControl Block Contents
Storage Layout
Cross Reference
MRUSETRE Prolog
DSECT NAME - USETRE FUNCTION - Map a Monitor record. LOCATED BY - Through the Monitor Control Area REFERENCED CONTROL BLOCKS - MRRECHDR Monitor Record Header NAME - MRUSETRE DESCRIPTIVE NAME - Monitor Event Record Domain 4 - User Domain Record 8 - User Transaction End DESCRIPTION - Provides dispatch and suspend times for a VMDBK. A separate record is generated for each VMDBK in a virtual complex that contributed to the transaction.
MRUSETRE Control Block Contents
Offsets Dec Hex Type Len Name (Dim) Description 0 0 Structure 60 USETRE Start of monitor record 0 0 Character 0 USETRE_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 Character 8 USETRE_VMDUSER User logon identification 28 1C Unsigned 2 USETRE_VMDCPUAD Processor address 30 1E Character 2 USETRE_CALTRIV 'YE' = trivial transaction. 'NO' = non-trivial translation 32 20 Character 8 USETRE_VMDDQTOD Time of day clock at the time that the VMDBK was dropped from the dispatch list 40 28 Character 8 USETRE_VMDSUSCK Time of day clock at the time the VMDBK was last marked suspended 48 30 Character 8 USETRE_VMDMTTOD Time of day clock when the last transaction started 56 38 Bitstring 1 USETRE_CALFLAG1 Flag byte 1... .... USETRE_CALBASE If on, this is the base VMDBK. VMDBASE .1.. .... * ..1. .... * ...1 .... * .... 1... * .... .1.. * .... ..1. * .... ...1 * 57 39 Unsigned 3 * Reserved for IBM use 60 3C Character 0 USETRE_END
MRUSETRE 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 USETRE 0 60 USETRE_CALBASE 38 80 USETRE_CALFLAG1 38 1 USETRE_CALTRIV 1E 2 USETRE_END 3C 0 USETRE_MRHDR 0 0 USETRE_VMDCPUAD 1C 2 USETRE_VMDDQTOD 20 8 USETRE_VMDMTTOD 30 8 USETRE_VMDSUSCK 28 8 USETRE_VMDUSER 14 8
This information is based on z/VM V4R2.0.
Last updated on 15 Oct 2001 at 08:04:23.
Copyright IBM Corporation, 1990, 2001