Programming Interface Information:
The Monitor Records are intended Programming Interfaces that
allow the customer to write programs to obtain services of z/VM
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MRSYTCUG
Prolog
Control Block Contents
Storage Layout
Cross Reference
MRSYTCUG Prolog
DSECT NAME - SYTCUG
FUNCTION - Map a Monitor record.
LOCATED BY -
Through the Monitor Control Area
REFERENCED CONTROL BLOCKS -
MRRECHDR Monitor Record Header
NAME - MRSYTCUG
DESCRIPTIVE NAME - Monitor Sample Record
Domain 0 - System Domain
Record 15 - Logical CPU Utilization Data (Global)
DESCRIPTION - Global description of logical CPU utilization in
a LPAR environment. This record contains only data
of global nature and exists only when the system is
running under control of the PR/SM feature. For
descriptions of individual logical partitions and
their logical CPUs, see the MRSYTCUP (Domain 0,
Record 16) record.
MRSYTCUG Control Block Contents
Offsets
Dec Hex Type Len Name (Dim) Description
0 0 Structure 28 SYTCUG Start of monitor record
0 0 Character 0 SYTCUG_MRHDR Record header
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 1 SYTCUG_LCUTNPAR Number of defined logical
partitions. Each logical partition
is described in a separate record,
MRSYTCUP (Domain 0, Record 16).
21 15 Bitstring 1 SYTCUG_LCUTFLAG Flag byte
1... .... SYTCUG_LCUTPHYS LPAR management time facility is
available on this system. Physical
CPU utilization data is provided
in MRSYTCUM (Domain 0, Record 17)
.1.. .... *
..1. .... *
...1 .... *
.... 1... *
.... .1.. *
.... ..1. *
.... ...1 *
22 16 Character 2 * Reserved for IBM use
24 18 Unsigned 2 SYTCUG_LCUTSLCE Global time slice, in
milliseconds, if defined by
operator. Otherwise, zero.
26 1A Unsigned 2 SYTCUG_LCUTPCCT Number of CPUs in the physical
system, or in the physical
partition if the system is running
in physically partitioned mode.
28 1C Character 0 SYTCUG_END
MRSYTCUG 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
SYTCUG 0 28
SYTCUG_END 1C 0
SYTCUG_LCUTFLAG 15 1
SYTCUG_LCUTNPAR 14 1
SYTCUG_LCUTPCCT 1A 2
SYTCUG_LCUTPHYS 15 80
SYTCUG_LCUTSLCE 18 2
SYTCUG_MRHDR 0 0
This information is
based on z/VM V4R2.0.
Last updated on 15 Oct 2001 at 08:04:23.
Copyright IBM Corporation, 1990, 2001
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