Number CP DSECT Monitor Dntu of Variable Variable Code Item Bytes Name Name 00,01 Device activity data for all Tape and
DASD devices
Number of device blocks recorded 2 MN600NUM For each device -
Device address RDEVADDR
RCUADDR
2 RCHADDR MN600ADD Type codes 2 RDEVTYFC MN600TY Volume serial number
1
6 RDEVSER MN600SER Device accumulated 110 count 4 RDEVIOCT MN600CNT Note:
The monitor code ° record is collected when the MONITOR START TAPE com-
mand is entered. Thereafter, all DASTAP records are collected with a monitor
code of 1.
Number CP DSECT
Monitor Data of Variable Variable Cede Item Bytes Name Name 02 No. samples for interval IPL proc 2 MNCHSAMI MN602SAM No. samples for interval non-IPL proc 2 MNCHSAM2 MN602SA2 Device address 2 RDEVADD MN602ADD No. times control unit busy ·2 MNCUBSY MN602CUB No. times device busy IPL proc 2 MNDVBSY MN602DVB 110 tasks queued on control unit 2 RCUQCNT MN602CUQ 110 tasks queued on device 1 RDEVQCNT MN602DVQ No. times device busy non-IPL proc 1 MDVBSY2 MN602DV2 03 Channel busy counts IPL proc 32 MCHDATI MN603CBI 110 tasks queued on channel IPL proc 32 RCHQCNT MN603CQI
Channel busy counts non-IPL proc 32 MCHDAT2 MN603CB2 I/O tasks queued on channel non-IPL 32 RCHQCNT MN603CQ2 proc
Appendix B. VM/SP Monitor Tape Format and Content 555

Class Seven -SEEKS
Monitor
Code 00 Data
item
DASD I/O 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
unit
Number of queued I/O tasks on channel
Current seek direction
Processor address
Note:
Current seek direction value is X'OO' seeking to lower cylinder address
X'Ol' seeking to higher cylinder address
556 VM/SP System Programmer's Guide
Number
of
Bytes
8
2
2
2
1
1
1
1
2
CP DSECT
Variable Variable
Name Name VMUSER MN700UID
RDEVADDR RCUADDR RCHADDR MN700ADD IOBCYL MN700CYL
RDEVCYL MN700CCY
RDEVQCNT MN700QDV RCUQCNT MN700QCU RCHQCNT MN700QCH
RDEVFLAG MN700DIR RCHPROC MN700PRO