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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. |
MRSTOSHR
PrologControl Block Contents
Cross Reference
MRSTOSHR Prolog
DSECT NAME - STOSHR
FUNCTION - Map a Monitor record.
LOCATED BY -
Through the Monitor Control Area
REFERENCED CONTROL BLOCKS -
MRRECHDR Monitor Record Header
NAME - MRSTOSHR
DESCRIPTIVE NAME - Monitor Sample Record
Domain 3 - Storage Domain
Record 3 - Shared Storage Management
(per NSS or DCSS)
DESCRIPTION - Describes shared storage use for Named Saved
Systems (NSSs), Discontiguous Saved Segments,
(DCSSs), and Segment Spaces (SSPs). A
separate record is generated for each active
saved system/segment.
MRSTOSHR Control Block Contents
Offsets
Dec Hex Type Len Name (Dim) Description
0 0 Structure 100 STOSHR Start of monitor record
0 0 Character 0 STOSHR_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 STOSHR_SNTNAME Shared system or segment name
28 1C Signed 2 STOSHR_SDFIDNUM Spool file ID number
30 1E Signed 2 * Reserved for IBM use
32 20 Unsigned 4 STOSHR_SDFCLTIM Time of data file creation
36 24 Unsigned 2 STOSHR_SNTUSRSH Cardinal count of users that are
accessing this saved
System/Segment in shared mode.
38 26 Unsigned 2 STOSHR_SNTUSREX Cardinal count of users that
that are accessing this saved
System/Segment in exclusive mode.
40 28 Unsigned 4 STOSHR_ASCCTPRS Cardinal count of resident pages
for this saved System/Segment.
44 2C Unsigned 4 STOSHR_SNTSTRCT Number of pages saved in the
saved System/Segment.
48 30 Unsigned 4 STOSHR_SNTNDTCT Number of storage pages defined
with a 'no data saved' page
descriptor code.
52 34 Unsigned 4 STOSHR_ASCCSPST Count of frames stolen from this
saved System/Segment. This counter
will be reset to zero when the
saved System/Segment is no longer
in use (released by its last user.
56 38 Unsigned 4 STOSHR_ASCPTRSH Count of page translations of
shared pages for this saved
System/Segment. This counter will
be reset to zero when the saved
System/Segment is no longer in use
(released by its last user.
60 3C Character 8 * Reserved for IBM use
68 44 Unsigned 4 STOSHR_ASCCSPGR Count of pages read from DASD to
main storage for this saved
System/Segment. This counter will
be reset to zero when the saved
System/Segment is no longer in use
(released by its last user.
72 48 Unsigned 4 STOSHR_ASCCSPGW Count of pages written from main
storage to DASD for this saved
System/Segment. This counter will
be reset to zero when the saved
System/Segment is no longer in use
(released by its last user.
76 4C Unsigned 4 STOSHR_ASCCSXRD Count of pages read from
expanded storage to main storage
for this saved System/Segment.
This counter will be reset to zero
when the saved System/Segment is
no longer in use (released by its
last user.
80 50 Unsigned 4 STOSHR_ASCCSXWT Count of pages written from main
storage to expanded storage for
this saved System/Segment. This
counter will be reset to zero when
the saved System/Segment is no
longer in use (released by its
last user.
84 54 Unsigned 4 STOSHR_ASCCSMIG Count of pages migrated by CP
from expanded storage to DASD for
this saved System/Segment. This
counter will be reset to zero when
the saved System/Segment is no
longer in use (released by its
last user.
88 58 Unsigned 4 STOSHR_ASCCTPLK Cardinal count of frames locked
for this saved System/Segment.
92 5C Unsigned 4 STOSHR_ASCCTPGS Cardinal count of non-preferred
paging slots for this saved
System/Segment.
96 60 Unsigned 4 STOSHR_ASCCTXBK Count of xstore blocks in this
saved System/Segment.
100 64 Character 0 STOSHR_END
MRSTOSHR 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
STOSHR 0 100
STOSHR_ASCCSMIG 54 4
STOSHR_ASCCSPGR 44 4
STOSHR_ASCCSPGW 48 4
STOSHR_ASCCSPST 34 4
STOSHR_ASCCSXRD 4C 4
STOSHR_ASCCSXWT 50 4
STOSHR_ASCCTPGS 5C 4
STOSHR_ASCCTPLK 58 4
STOSHR_ASCCTPRS 28 4
STOSHR_ASCCTXBK 60 4
STOSHR_ASCPTRSH 38 4
STOSHR_END 64 0
STOSHR_MRHDR 0 0
STOSHR_SDFCLTIM 20 4
STOSHR_SDFIDNUM 1C 2
STOSHR_SNTNAME 14 8
STOSHR_SNTNDTCT 30 4
STOSHR_SNTSTRCT 2C 4
STOSHR_SNTUSREX 26 2
STOSHR_SNTUSRSH 24 2
This information is
based on z/VM V4R4.0.
Last updated on 22 Jul 2003 at 15:04:23.
Copyright IBM Corporation, 1990, 2003