Class Five - INSTSIM Monitor Code 00 Data
Item Start of PRIVOP simulation Userid
1 The privileged instruction Virtual storage address of PRIVOP Total user CP simulation time at start
of simulation
Class Six - DASTAP Monitor Code
Data
Item 00,01 Device activity data for all Tape and DASI devices
Number CP of Variable Bytes Name
8
4
4
8 VfHJSER VMINST VMPSW CPU timer
Number CP of Variable Bytes Name
Number of device blocks recorded 2
For each device -
Device address type codes Volume serial number
t
Device accumulated I/O count
2
2
6
4 RDEVADDR+ RCUADDR+ RCHADDR RDEVTYPC RDEVSER RDEVIOCT DSECT Variable Name MN500UID t.1N500INS t.1N500VAD MN5000VH DSECT Variable Name MN600NUM MN600ADD MN600TY MN600SER MN600CNT Note: The monitor code 0 record is collected when the MCNITOR START TAFE coiiand is entered. Thereafter, all DASTAP records are collected with a
.onitor code of 1. 02 number of high frequency samples
in interval 2 MONCHPTR MN602SAM Device Address 2 Derived by CP MN602CHB Times channel busy during
interval 2 MN602CHB Times control unit busy
dur ing interval 2 MNCUBSY MN602CUB Times device busy during
interval 2 MNCUBST+2 MN602DVB Number of I/O tasks queued
on channel 2 RCHQCNT MN602CHQ Number of I/O tasks queued
on control unit 2 RCUQCNT MN602CUQ Number of I/O tasks queued
on device 1 RDEVQCNT MN602DVQ 364 IBM VM/370 System programmer's Guide

Class Seven - SEEKS Monitor Code 00 Data
Item DASD IIO request record Userid
1 Device address Seek cylinder address Current arm position
Number of queued I/O tasks on device
Number of queued I/O tasks on control
Number of queued I/O tasks on channel Current seek direction
unit !gte: Current seek direction value is X'OO' seeking to lover cylinder address X'01' seeking to higher cylinder address
Number
of
Bytes
8
2
2
2
1
1
1
1 CP Variable tlame VMUSER RDEVADDR+ RCUADDR+ RCHADDR IOBCYL RDEVCYL RDEVQCNT RCUQCNT RCHQCNT RDEVFLAG Class Eight - SYSPROF additional data for system profile class
Monitor Code 02 Data
Item
Additional data
times
Number of 4-byte
at add device which follow
queue, drop queue
block counts
For each device ••• count of I/O's After device counts ... Current numLer of users logged on
Total system page reads
Total system page writes Current number of pageable pages
Total system idle time
Total system page wait time
Total system I/O wait time
Total system froblem time
Number CP of Variable Bytes Name
2
4 RDEVIOCT 4 DMKSYSNM 4 PGREAD
4 PGWRITE 4 DMKDSPNP 8 IDLEWAIT 8 PAGEWAIT 8 IONTWAIT 8 PROBTIME DSECT Variable MN700UID MN7001DD MN700CCY MN700QDV MN700QCU Oil I MN700DIR DSECT Variable Name MN802NUft MN802N1U MN802PGR MN802PGW MN802NPP MN802WID MN802WPG MN802WIO MN802PRB Appendix C: VM Monitor Tape Format and Content 365