Programming Interface Information:
The Monitor Records are intended Programming Interfaces that
allow the customer to write programs to obtain services of z/VM.

MRSTOSHD

Prolog
Control Block Contents
Storage Layout
Cross Reference

MRSTOSHD Prolog

 DSECT NAME - STOSHD
 FUNCTION - This is an event record that is created whenever
            a NSS, DCSS, or SSP (Segment SPace) is deleted from
            storage (released by the last user).
 LOCATED BY -
        Through the Monitor Control Area
 REFERENCED CONTROL BLOCKS -
        MRRECHDR    Monitor Record Header
 NAME - MRSTOSHD
 DESCRIPTIVE NAME - Monitor Event Record
                    Domain 3  - Storage Domain
                    Record 16 - NSS/DCSS/SSP removed from storage
 DESCRIPTION - Generated when a Named Saved System (NSS),
               Discontiguous Saved Segment (DCSS), or Segment
               SPace (SSP) is removed from storage (released by
               the last user).


MRSTOSHD Control Block Contents

Offsets
Dec Hex  Type       Len  Name (Dim)          Description
 
  0   0  Structure  100  STOSHD              Start of monitor record
  0   0  Character    0  STOSHD_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  Character    8  STOSHD_SDFFN        Saved System/Segment filename.
 28  1C  Character    8  STOSHD_SDFFT        Saved System/Segment filetype.
 36  24  Unsigned     4  STOSHD_SDFCLTIM     Time of data file creation.
 40  28  Signed       2  STOSHD_SDFIDNUM     Spool file identification number
                                             of this System/Segment.
 42  2A  Character    1  STOSHD_SDFCLASS     Spool file class of this
                                             System/Segment.
 43  2B  Character    1  *                   Reserved for IBM use
 44  2C  Unsigned     4  STOSHD_ASCCTPRS     Cardinal count of resident pages
                                             for this saved System/Segment.
 48  30  Unsigned     4  STOSHD_SNTSTRCT     Number of pages saved in the
                                             saved System/Segment.
 52  34  Unsigned     4  STOSHD_SNTNDTCT     Number of storage pages defined
                                             with a 'no data saved' page
                                             descriptor code.
 56  38  Unsigned     4  STOSHD_ASCCSPST     Cumulative count of frames
                                             stolen from this saved
                                             System/Segment.
 60  3C  Unsigned     4  STOSHD_ASCPTRSH     Cumulative count of page
                                             translations of shaved pages for
                                             this System/Segment.
 64  40  Character    8  *                   Reserved for IBM use
 72  48  Unsigned     4  STOSHD_ASCCSPGR     Cumulative count of pages read
                                             from DASD to main storage for this
                                             saved System/Segment.
 76  4C  Unsigned     4  STOSHD_ASCCSPGW     Cumulative count of pages
                                             written from main storage to DASD
                                             for this saved System/Segment.
 80  50  Unsigned     4  STOSHD_ASCCSXRD     Cumulative count of pages read
                                             from expanded to main storage for
                                             this saved System/Segment.
 84  54  Unsigned     4  STOSHD_ASCCSXWT     Cumulative count of pages
                                             written from main to expanded
                                             storage for this saved
                                             System/Segment.
 88  58  Unsigned     4  STOSHD_ASCCSMIG     Cumulative count of pages
                                             migrated by CP from expanded
                                             storage to DASD for this saved
                                             System/Segment.
 92  5C  Unsigned     4  STOSHD_ASCCTPLK     Cardinal count of frames locked
                                             by this saved System/Segment.
 96  60  Unsigned     4  STOSHD_ASCCTPGS     Cardinal count of non- preferred
                                             paging slots for this saved
                                             System/Segment.
100  64  Character    0  STOSHD_END          

MRSTOSHD 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
STOSHD                  0    100
STOSHD_ASCCSMIG        58      4
STOSHD_ASCCSPGR        48      4
STOSHD_ASCCSPGW        4C      4
STOSHD_ASCCSPST        38      4
STOSHD_ASCCSXRD        50      4
STOSHD_ASCCSXWT        54      4
STOSHD_ASCCTPGS        60      4
STOSHD_ASCCTPLK        5C      4
STOSHD_ASCCTPRS        2C      4
STOSHD_ASCPTRSH        3C      4
STOSHD_END             64      0
STOSHD_MRHDR            0      0
STOSHD_SDFCLASS        2A      1
STOSHD_SDFCLTIM        24      4
STOSHD_SDFFN           14      8
STOSHD_SDFFT           1C      8
STOSHD_SDFIDNUM        28      2
STOSHD_SNTNDTCT        34      4
STOSHD_SNTSTRCT        30      4

This information is based on z/VM V4R3.0.
Last updated on 1 May 2002 at 16:20:33.
Copyright IBM Corporation, 1990, 2002