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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. |
MRMTRMEM
PrologControl Block Contents
Cross Reference
MRMTRMEM Prolog
DSECT NAME - MTRMEM
FUNCTION - Map a Monitor record.
LOCATED BY -
Through the Monitor Control Area
REFERENCED CONTROL BLOCKS -
MRRECHDR Monitor Record Header
NAME - MRMTRMEM
DESCRIPTIVE NAME - Monitor Sample Configuration Record
Domain 1 - Monitor Domain
Record 7 - Memory Configuration Data
DESCRIPTION - Defines the real memory configuration of the
processor complex and the operating system.
MRMTRMEM Control Block Contents
Offsets
Dec Hex Type Len Name (Dim) Description
0 0 Structure 160 MTRMEM Start of monitor record
0 0 Character 0 MTRMEM_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 4 MTRMEM_RSASTORE Cardinal count of actual real
storage size, in bytes,
calculated during system
initialization. This field is
kept for compatability and may
not be accurate for z/Arch
systems. The preferred field is
MTRMEM_RSAGSTOR.
24 18 Unsigned 4 MTRMEM_SYSTORS Storage size of the real
machine (sysgenned storage) in
bytes. This field is kept for
compatability and may not be
accurate for z/Arch systems.
The preferred field is
MTRMEM_SYSGTORS.
28 1C Unsigned 4 * Reserved for IBM use.
Previous field is no longer
meaningful. (MTRMEM_SYSVRSZ)
32 20 Unsigned 4 * Reserved for IBM use.
Previous field is no longer
meaningful. (MTRMEM_SYSVRFRE)
36 24 Unsigned 4 MTRMEM_SYSTRAC Cardinal count of frames that
are used for CP trace pages for
the master processor. Count
applies to both alternate and
secondary processors.
40 28 Address 4 MTRMEM_HCPMM1 Address of the Marker module
to mark the start of the
resident executable modules
44 2C Address 4 MTRMEM_HCPMM4 Address of the Marker module
to mark the boundary between
resident and pageable modules.
But since we have no more
Pageable modules, this
effectively marks the end of
the executable nucleus.
However, HCPMM3 officially
provides the "end of nucleus"
marker and should continue to
be used for that purpose.
48 30 Unsigned 4 MTRMEM_RSAPGABL Cardinal count of <2G
pageable frames in the system.
This includes those that had
been made non-pageable (see
MTRMEM_RSANONPG). The size of
the dynamic area (DPA) or the
count of useable frames may be
calculated by subtracting
RSANONPG from RSAPGABL. See
MTRMEM_RSALGFRM for the >2G
field for the count of useable
frames. NOTE: There is no
separate count for pageable
frames (RSAPAGBL) and frames
made non-pageable (RSANONPG)
>2G.
52 34 Unsigned 4 MTRMEM_RSANONPG Cardinal count of <2G
pageable frames in the system
that have been made
non-pageable. This includes
pages locked for I/O, CP LOCK
command, virtual system lock
functions, etc. See
MTRMEM_RSAPGABL and
MTRMEM_RSALGFRM.
56 38 Unsigned 4 MTRMEM_RSAOFFLN Cardinal count of off-line
frames <2G. See MTRMEM_RSAGOFFL
for the >2G value.
60 3C Unsigned 4 * Reserved for IBM use.
Previous field is no longer
meaningful. (MTRMEM_RSARIOSZ)
64 40 Unsigned 2 MTRMEM_SYSTRCPC Percentage of master
processor trace table size to
be used for alternate
processors. Percentage applies
to secondary processors as
well.
66 42 Bitstring 1 MTRMEM_FLG1 Flag byte
1... .... MTRMEM_RSAAASTA Anti-aliasing status bit.
.1.. .... *
..1. .... *
...1 .... *
.... 1... *
.... .1.. *
.... ..1. *
.... ...1 *
67 43 Character 1 * Reserved for IBM use.
68 44 Address 4 MTRMEM_HCPMM0 Address of the Marker module
to mark the start of resident
MP modules.
72 48 Address 4 MTRMEM_HCPSYS Address of the HCPSYS module
which is the start of the
resident CP nucleus.
76 4C Unsigned 4 MTRMEM_CALSCMAX When MTRSYS_CALFLG2 <> x'80'
(format-0 measurement blocks),
this is the total number of
SCMBKs contained in the
contiguous storage set aside
for the SCMBK area. When When
MTRSYS_CALFLG2 = x'80'
(format-1 measurement blocks),
this is the total number of
SCGBKs allocated.
80 50 Unsigned 4 MTRMEM_SYSSCMEX Number of extra pages
requested for the SCMBK area in
the system config file.
84 54 Character 8 MTRMEM_SYSGTORS The sysgen specified storage
size minus 1 byte. This
includes storage above 2GB. The
minus one notation is used so
that a total size of 16
Exabytes may be represented
without ambiguity (as
x'FFFFFFFF_FFFFFFFF').
92 5C Character 8 MTRMEM_RSAGSTOR The actual real storage size
minuz 1 byte. This is
calculated at system
initialization and includes
storage above 2GB. The minus
one notation is used so that a
total size of 16 Exabytes may
be represented without
ambiguity (as
x'FFFFFFFF_FFFFFFFF').
100 64 Character 8 MTRMEM_RSAGOFFL Cardinal count of off-line
frames >2G. See MTRMEM_RSAOFFLN
for the <2G value.
108 6C Character 8 MTRMEM_RSALGFRM Cardinal count of >2G useable
frames. See MTRMEM_RSAPGABL and
MTRMEM_RSANONPG for the <2G
value.
116 74 Unsigned 4 MTRMEM_SXSSIZE System Execution Space size
in pages.
120 78 Character 8 MTRMEM_PFXSTLEN Length of the System
Execution Space page management
table.
128 80 Character 8 MTRMEM_PFXFTLEN Length of the frame table.
136 88 Character 8 MTRMEM_RSAFNOTI Count of the not initialized
FRMTEs >=2G.
144 90 Character 8 MTRMEM_SYSGSTBY The standby real storage size
in bytes
152 98 Character 8 MTRMEM_SYSGSTRS The reserved real storage
size in bytes
160 A0 Character 0 MTRMEM_END
MRMTRMEM 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
MTRMEM 0 160
MTRMEM_CALSCMAX 4C 4
MTRMEM_END A0 0
MTRMEM_FLG1 42 1
MTRMEM_HCPMM0 44 4
MTRMEM_HCPMM1 28 4
MTRMEM_HCPMM4 2C 4
MTRMEM_HCPSYS 48 4
MTRMEM_MRHDR 0 0
MTRMEM_PFXFTLEN 80 8
MTRMEM_PFXSTLEN 78 8
MTRMEM_RSAAASTA 42 80
MTRMEM_RSAFNOTI 88 8
MTRMEM_RSAGOFFL 64 8
MTRMEM_RSAGSTOR 5C 8
MTRMEM_RSALGFRM 6C 8
MTRMEM_RSANONPG 34 4
MTRMEM_RSAOFFLN 38 4
MTRMEM_RSAPGABL 30 4
MTRMEM_RSASTORE 14 4
MTRMEM_SXSSIZE 74 4
MTRMEM_SYSGSTBY 90 8
MTRMEM_SYSGSTRS 98 8
MTRMEM_SYSGTORS 54 8
MTRMEM_SYSSCMEX 50 4
MTRMEM_SYSTORS 18 4
MTRMEM_SYSTRAC 24 4
MTRMEM_SYSTRCPC 40 2
This information is
based on z/VM V6R1.0.
Last updated on 8 Oct 2009 at 21:08:13.
Copyright IBM Corporation, 1990, 2009