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Programming Interface Information:
The Monitor Records are intended Programming Interfaces that allow the customer to write programs to obtain services of z/VM. |
MRIODSZI
PrologControl Block Contents
Cross Reference
MRIODSZI Prolog
DSECT NAME - IODSZI
FUNCTION - Map a Monitor record.
LOCATED BY -
Through the Monitor Control Area
REFERENCED CONTROL BLOCKS -
MRRECHDR Monitor Record Header
NAME - MRIODSZI
DESCRIPTIVE NAME - Monitor Sample Record
Domain 6 - I/O Domain
Record 24 - SCSI Device Activity
DESCRIPTION - Describes I/O activities of an emulated SCSI device.
A separate record is generated for each online device
enabled for monitoring.
NOTES:
MRIODSZI Control Block Contents
Offsets
Dec Hex Type Len Name (Dim) Description
0 0 Structure 316 IODSZI
0 0 Character 0 IODSZI_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 2 IODSZI_RDEVDEV Device number
22 16 Unsigned 2 * Reserved and available for
IBM use.
24 18 Character 36 IODSZI_DKSTAT
24 18 Bitstring 1 IODSZI_DSKSTAT Disk status - X'80' = busy
and X'40 = not busy
25 19 Bitstring 1 * Reserved for future IBM use
26 1A Unsigned 2 * Reserved for future IBM use
28 1C Unsigned 4 IODSZI_DSKTIME Amount of time disk is active
32 20 Unsigned 4 IODSZI_DSKXRATE Kbytes/sec transfer rate
36 24 Unsigned 4 IODSZI_DSKBLKSZ Number of bytes in a block
40 28 Unsigned 4 IODSZI_DSKXFERS Number of transfers to/from
disk
44 2C Unsigned 4 IODSZI_DSKBLKSR Number of blocks read from
disk
48 30 Unsigned 4 IODSZI_DSKBLKSW Number of blocks written to
disk
52 34 Unsigned 4 IODSZI_DSKSEEKO Number of seek operations for
disk
56 38 Unsigned 4 IODSZI_DSKQDEPTH Queue depth
60 3C Character 32 IODSZI_PTH1INFO
60 3C Unsigned 2 IODSZI_PTH1ID Pathid number - this number
correlates with the slot in
MTRDEV_EDEVPTHS and
IODVON_EDEVPTHS which contain
the triplet info
62 3E Bitstring 1 IODSZI_PTH1STAT Path status - X'80' = busy
and X'40' = not busy
63 3F Bitstring 1 * Reserved for future IBM use
64 40 Unsigned 4 IODSZI_PTH1TIME Amount of time path is active
68 44 Unsigned 4 IODSZI_PTH1XRATE Kbytes/sec transfer rate
72 48 Unsigned 4 IODSZI_PTH1XFERS Number of transfers to/from
disk
76 4C Unsigned 4 IODSZI_PTH1BLKSR Number of blocks read from
disk
80 50 Unsigned 4 IODSZI_PTH1BLKSW Number of blocks written to
disk
84 54 Unsigned 4 IODSZI_PTH1SEEKO Number of seek operations for
disk
88 58 Unsigned 4 IODSZI_PTH1QDEPTH Queue depth
92 5C Character 32 IODSZI_PTH2INFO
92 5C Unsigned 2 IODSZI_PTH2ID Pathid number - this number
correlates with the slot in
MTRDEV_EDEVPTHS and
IODVON_EDEVPTHS which contain
the triplet info
94 5E Bitstring 1 IODSZI_PTH2STAT Path status - X'80' = busy
and X'40' = not busy
95 5F Bitstring 1 * Reserved for future IBM use
96 60 Unsigned 4 IODSZI_PTH2TIME Amount of time path is active
100 64 Unsigned 4 IODSZI_PTH2XRATE Kbytes/sec transfer rate
104 68 Unsigned 4 IODSZI_PTH2XFERS Number of transfers to/from
disk
108 6C Unsigned 4 IODSZI_PTH2BLKSR Number of blocks read from
disk
112 70 Unsigned 4 IODSZI_PTH2BLKSW Number of blocks written to
disk
116 74 Unsigned 4 IODSZI_PTH2SEEKO Number of seek operations for
disk
120 78 Unsigned 4 IODSZI_PTH2QDEPTH Queue depth
124 7C Character 32 IODSZI_PTH3INFO
124 7C Unsigned 2 IODSZI_PTH3ID Pathid number - this number
correlates with the slot in
MTRDEV_EDEVPTHS and
IODVON_EDEVPTHS which contain
the triplet info
126 7E Bitstring 1 IODSZI_PTH3STAT Path status - X'80' = busy
and X'40' = not busy
127 7F Bitstring 1 * Reserved for future IBM use
128 80 Unsigned 4 IODSZI_PTH3TIME Amount of time path is active
132 84 Unsigned 4 IODSZI_PTH3XRATE Kbytes/sec transfer rate
136 88 Unsigned 4 IODSZI_PTH3XFERS Number of transfers to/from
disk
140 8C Unsigned 4 IODSZI_PTH3BLKSR Number of blocks read from
disk
144 90 Unsigned 4 IODSZI_PTH3BLKSW Number of blocks written to
disk
148 94 Unsigned 4 IODSZI_PTH3SEEKO Number of seek operations for
disk
152 98 Unsigned 4 IODSZI_PTH3QDEPTH Queue depth
156 9C Character 32 IODSZI_PTH4INFO
156 9C Unsigned 2 IODSZI_PTH4ID Pathid number - this number
correlates with the slot in
MTRDEV_EDEVPTHS and
IODVON_EDEVPTHS which contain
the triplet info
158 9E Bitstring 1 IODSZI_PTH4STAT Path status - X'80' = busy
and X'40' = not busy
159 9F Bitstring 1 * Reserved for future IBM use
160 A0 Unsigned 4 IODSZI_PTH4TIME Amount of time path is active
164 A4 Unsigned 4 IODSZI_PTH4XRATE Kbytes/sec transfer rate
168 A8 Unsigned 4 IODSZI_PTH4XFERS Number of transfers to/from
disk
172 AC Unsigned 4 IODSZI_PTH4BLKSR Number of blocks read from
disk
176 B0 Unsigned 4 IODSZI_PTH4BLKSW Number of blocks written to
disk
180 B4 Unsigned 4 IODSZI_PTH4SEEKO Number of seek operations for
disk
184 B8 Unsigned 4 IODSZI_PTH4QDEPTH Queue depth
188 BC Character 32 IODSZI_PTH5INFO
188 BC Unsigned 2 IODSZI_PTH5ID Pathid number - this number
correlates with the slot in
MTRDEV_EDEVPTHS and
IODVON_EDEVPTHS which contain
the triplet info
190 BE Bitstring 1 IODSZI_PTH5STAT Path status - X'80' = busy
and X'40' = not busy
191 BF Bitstring 1 * Reserved for future IBM use
192 C0 Unsigned 4 IODSZI_PTH5TIME Amount of time path is active
196 C4 Unsigned 4 IODSZI_PTH5XRATE Kbytes/sec transfer rate
200 C8 Unsigned 4 IODSZI_PTH5XFERS Number of transfers to/from
disk
204 CC Unsigned 4 IODSZI_PTH5BLKSR Number of blocks read from
disk
208 D0 Unsigned 4 IODSZI_PTH5BLKSW Number of blocks written to
disk
212 D4 Unsigned 4 IODSZI_PTH5SEEKO Number of seek operations for
disk
216 D8 Unsigned 4 IODSZI_PTH5QDEPTH Queue depth
220 DC Character 32 IODSZI_PTH6INFO
220 DC Unsigned 2 IODSZI_PTH6ID Pathid number - this number
correlates with the slot in
MTRDEV_EDEVPTHS and
IODVON_EDEVPTHS which contain
the triplet info
222 DE Bitstring 1 IODSZI_PTH6STAT Path status - X'80' = busy
and X'40' = not busy
223 DF Bitstring 1 * Reserved for future IBM use
224 E0 Unsigned 4 IODSZI_PTH6TIME Amount of time path is active
228 E4 Unsigned 4 IODSZI_PTH6XRATE Kbytes/sec transfer rate
232 E8 Unsigned 4 IODSZI_PTH6XFERS Number of transfers to/from
disk
236 EC Unsigned 4 IODSZI_PTH6BLKSR Number of blocks read from
disk
240 F0 Unsigned 4 IODSZI_PTH6BLKSW Number of blocks written to
disk
244 F4 Unsigned 4 IODSZI_PTH6SEEKO Number of seek operations for
disk
248 F8 Unsigned 4 IODSZI_PTH6QDEPTH Queue depth
252 FC Character 32 IODSZI_PTH7INFO
252 FC Unsigned 2 IODSZI_PTH7ID Pathid number - this number
correlates with the slot in
MTRDEV_EDEVPTHS and
IODVON_EDEVPTHS which contain
the triplet info
254 FE Bitstring 1 IODSZI_PTH7STAT Path status - X'80' = busy
and X'40' = not busy
255 FF Bitstring 1 * Reserved for future IBM use
256 100 Unsigned 4 IODSZI_PTH7TIME Amount of time path is active
260 104 Unsigned 4 IODSZI_PTH7XRATE Kbytes/sec transfer rate
264 108 Unsigned 4 IODSZI_PTH7XFERS Number of transfers to/from
disk
268 10C Unsigned 4 IODSZI_PTH7BLKSR Number of blocks read from
disk
272 110 Unsigned 4 IODSZI_PTH7BLKSW Number of blocks written to
disk
276 114 Unsigned 4 IODSZI_PTH7SEEKO Number of seek operations for
disk
280 118 Unsigned 4 IODSZI_PTH7QDEPTH Queue depth
284 11C Character 32 IODSZI_PTH8INFO
284 11C Unsigned 2 IODSZI_PTH8ID Pathid number - this number
correlates with the slot in
MTRDEV_EDEVPTHS and
IODVON_EDEVPTHS which contain
the triplet info
286 11E Bitstring 1 IODSZI_PTH8STAT Path status - X'80' = busy
and X'40' = not busy
287 11F Bitstring 1 * Reserved for future IBM use
288 120 Unsigned 4 IODSZI_PTH8TIME Amount of time path is active
292 124 Unsigned 4 IODSZI_PTH8XRATE Kbytes/sec transfer rate
296 128 Unsigned 4 IODSZI_PTH8XFERS Number of transfers to/from
disk
300 12C Unsigned 4 IODSZI_PTH8BLKSR Number of blocks read from
disk
304 130 Unsigned 4 IODSZI_PTH8BLKSW Number of blocks written to
disk
308 134 Unsigned 4 IODSZI_PTH8SEEKO Number of seek operations for
disk
312 138 Unsigned 4 IODSZI_PTH8QDEPTH Queue depth
316 13C Character 0 IODSZI_END
MRIODSZI Cross Reference
Hex Hex
Name Offset Length Value
IODSZI 0 316
IODSZI_DKSTAT 18 36
IODSZI_DSKBLKSR 2C 4
IODSZI_DSKBLKSW 30 4
IODSZI_DSKBLKSZ 24 4
IODSZI_DSKQDEPTH 38 4
IODSZI_DSKSEEKO 34 4
IODSZI_DSKSTAT 18 1
IODSZI_DSKTIME 1C 4
IODSZI_DSKXFERS 28 4
IODSZI_DSKXRATE 20 4
IODSZI_END 13C 0
IODSZI_MRHDR 0 0
IODSZI_PTH1BLKSR 4C 4
IODSZI_PTH1BLKSW 50 4
IODSZI_PTH1ID 3C 2
IODSZI_PTH1INFO 3C 32
IODSZI_PTH1QDEPTH 58 4
IODSZI_PTH1SEEKO 54 4
IODSZI_PTH1STAT 3E 1
IODSZI_PTH1TIME 40 4
IODSZI_PTH1XFERS 48 4
IODSZI_PTH1XRATE 44 4
IODSZI_PTH2BLKSR 6C 4
IODSZI_PTH2BLKSW 70 4
IODSZI_PTH2ID 5C 2
IODSZI_PTH2INFO 5C 32
IODSZI_PTH2QDEPTH 78 4
IODSZI_PTH2SEEKO 74 4
IODSZI_PTH2STAT 5E 1
IODSZI_PTH2TIME 60 4
IODSZI_PTH2XFERS 68 4
IODSZI_PTH2XRATE 64 4
IODSZI_PTH3BLKSR 8C 4
IODSZI_PTH3BLKSW 90 4
IODSZI_PTH3ID 7C 2
IODSZI_PTH3INFO 7C 32
IODSZI_PTH3QDEPTH 98 4
IODSZI_PTH3SEEKO 94 4
IODSZI_PTH3STAT 7E 1
IODSZI_PTH3TIME 80 4
IODSZI_PTH3XFERS 88 4
IODSZI_PTH3XRATE 84 4
IODSZI_PTH4BLKSR AC 4
IODSZI_PTH4BLKSW B0 4
IODSZI_PTH4ID 9C 2
IODSZI_PTH4INFO 9C 32
IODSZI_PTH4QDEPTH B8 4
IODSZI_PTH4SEEKO B4 4
IODSZI_PTH4STAT 9E 1
IODSZI_PTH4TIME A0 4
IODSZI_PTH4XFERS A8 4
IODSZI_PTH4XRATE A4 4
IODSZI_PTH5BLKSR CC 4
IODSZI_PTH5BLKSW D0 4
IODSZI_PTH5ID BC 2
IODSZI_PTH5INFO BC 32
IODSZI_PTH5QDEPTH D8 4
IODSZI_PTH5SEEKO D4 4
IODSZI_PTH5STAT BE 1
IODSZI_PTH5TIME C0 4
IODSZI_PTH5XFERS C8 4
IODSZI_PTH5XRATE C4 4
IODSZI_PTH6BLKSR EC 4
IODSZI_PTH6BLKSW F0 4
IODSZI_PTH6ID DC 2
IODSZI_PTH6INFO DC 32
IODSZI_PTH6QDEPTH F8 4
IODSZI_PTH6SEEKO F4 4
IODSZI_PTH6STAT DE 1
IODSZI_PTH6TIME E0 4
IODSZI_PTH6XFERS E8 4
IODSZI_PTH6XRATE E4 4
IODSZI_PTH7BLKSR 10C 4
IODSZI_PTH7BLKSW 110 4
IODSZI_PTH7ID FC 2
IODSZI_PTH7INFO FC 32
IODSZI_PTH7QDEPTH 118 4
IODSZI_PTH7SEEKO 114 4
IODSZI_PTH7STAT FE 1
IODSZI_PTH7TIME 100 4
IODSZI_PTH7XFERS 108 4
IODSZI_PTH7XRATE 104 4
IODSZI_PTH8BLKSR 12C 4
IODSZI_PTH8BLKSW 130 4
IODSZI_PTH8ID 11C 2
IODSZI_PTH8INFO 11C 32
IODSZI_PTH8QDEPTH 138 4
IODSZI_PTH8SEEKO 134 4
IODSZI_PTH8STAT 11E 1
IODSZI_PTH8TIME 120 4
IODSZI_PTH8XFERS 128 4
IODSZI_PTH8XRATE 124 4
IODSZI_RDEVDEV 14 2
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 V5R3.0.
Last updated on 12 Jun 2007 at 12:35:23.
Copyright IBM Corporation, 1990, 2007