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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. |
MRSTOASI
PrologControl Block Contents
Storage Layout
Cross Reference
MRSTOASI Prolog
DSECT NAME - STOASI
FUNCTION - Map a Monitor record.
LOCATED BY -
Through the Monitor Control Area
REFERENCED CONTROL BLOCKS -
MRRECHDR Monitor Record Header
NAME - MRSTOASI
DESCRIPTIVE NAME - Monitor Sample Record
Domain 3 - Storage Domain
Record 14 - Address Space Information Record
DESCRIPTION - Information concerning a shared address space usage.
MRSTOASI Control Block Contents
Offsets
Dec Hex Type Len Name (Dim) Description
0 0 Structure 116 STOASI Start of monitor record
0 0 Character 0 STOASI_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 Character 8 STOASI_ASCUSRID Owning userid, padded on the
right with blanks.
28 1C Character 24 STOASI_ASCNAME Address space name, padded on
the right with blanks.
52 34 Bitstring 1 STOASI_CALSTATE Address space current attribute.
1... .... STOASI_ASCSHARE At least one configuration other
than the owner has permission to
access this address space.
.1.. .... STOASI_ASCPUBLC Any user may attach this address
space to their guest use access
list for read only access.
..1. .... *
...1 .... *
.... 1... *
.... .1.. *
.... ..1. *
.... ...1 *
53 35 Character 3 * Reserved for IBM use.
56 38 Unsigned 4 STOASI_ASCCTSPI Number of users permitted to use
this address space. If this field
is all X'FF's, this address space
has beem made public.
60 3C Unsigned 4 STOASI_ASCCTPRS Cardinal count of resident
frames for this address space.
64 40 Unsigned 4 STOASI_ASCCSPST Cumulative count of pages stolen
from this address space while
shared.
68 44 Unsigned 4 STOASI_ASCCSPGR Cumulative count of pages read
from DASD to main storage for for
this address space while shared.
72 48 Unsigned 4 STOASI_ASCCSPGW Cumulative count of pages
written from main storage to DASD
for this address space while
shared.
76 4C Unsigned 4 STOASI_ASCCSXRD Cumulative count of pages read
from expanded storage to main
storage for this address space
while shared.
80 50 Unsigned 4 STOASI_ASCCSXWT Cumulative count of pages
written from main storage to
expanded storage for this address
space while shared.
84 54 Unsigned 4 STOASI_ASCCSMIG Cumulative count of pages
migrated by CP from expanded
storage to DASD for this address
space while shared.
88 58 Unsigned 4 STOASI_ASCCTPLK Cardinal count of pages locked
by this address space.
92 5C Unsigned 4 STOASI_ASCCTPGS Cardinal count of non-preferred
paging slots for this address
space.
96 60 Unsigned 4 STOASI_ASCCTXBK Cardinal count of XSTORE blocks
for this address space.
100 64 Unsigned 4 STOASI_ASCSSIZE Size of address space, in bytes.
This field is kept for
compatability reasons, but may not
be accurate for 64-bit systems
where larger address spaces are
valid. The preferred field is
STOASI_ASCDEFSZ.
104 68 Character 8 STOASI_ASCDEFSZ Defined address space size in
addressable bytes, minus one. The
minus one notation is used so that
a total size of 16 Exabytes may be
represented without ambiguity (as
x'FFFFFFFF_FFFFFFFF').
104 68 Character 4 STOASI_CALDEFHI high four bytes
108 6C Character 4 STOASI_CALDEFLO low four bytes
112 70 Unsigned 4 STOASI_ASCMVB2G Number of times page translation
moved a page in this address space
from a frame with an address >=
2GB to one < 2GB.
116 74 Character 0 STOASI_END
MRSTOASI 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
STOASI 0 116
STOASI_ASCCSMIG 54 4
STOASI_ASCCSPGR 44 4
STOASI_ASCCSPGW 48 4
STOASI_ASCCSPST 40 4
STOASI_ASCCSXRD 4C 4
STOASI_ASCCSXWT 50 4
STOASI_ASCCTPGS 5C 4
STOASI_ASCCTPLK 58 4
STOASI_ASCCTPRS 3C 4
STOASI_ASCCTSPI 38 4
STOASI_ASCCTXBK 60 4
STOASI_ASCDEFSZ 68 8
STOASI_ASCMVB2G 70 4
STOASI_ASCNAME 1C 24
STOASI_ASCPUBLC 34 40
STOASI_ASCSHARE 34 80
STOASI_ASCSSIZE 64 4
STOASI_ASCUSRID 14 8
STOASI_CALDEFHI 68 4
STOASI_CALDEFLO 6C 4
STOASI_CALSTATE 34 1
STOASI_END 74 0
STOASI_MRHDR 0 0
This information is
based on z/VM V4R3.0.
Last updated on 1 May 2002 at 16:20:33.
Copyright IBM Corporation, 1990, 2002