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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. |
MRSYTASG
PrologControl Block Contents
Storage Layout
Cross Reference
MRSYTASG Prolog
DSECT NAME - SYTASG
FUNCTION - Map a Monitor record.
LOCATED BY -
Through the Monitor Control Area
REFERENCED CONTROL BLOCKS -
MRRECHDR Monitor Record Header
NAME - MRSYTASG
DESCRIPTIVE NAME - Monitor Sample Record
Domain 0 - System Domain
Record 6 - Auxiliary Storage (Global)
DESCRIPTION - Allocation and use of storage between CP and users.
MRSYTASG Control Block Contents
Offsets
Dec Hex Type Len Name (Dim) Description
0 0 Structure 84 SYTASG
0 0 Character 0 SYTASG_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 SYTASG_CAL90FUL Number of times available paging
slots were 90 percent full.
SAL90FUL in paging data area of
HCPPGD
24 18 Unsigned 4 SYTASG_CAL91FUL Number of times available
spooling slots were 90 percent
full. SAL90FUL in spooling data
area of HCPPGD
28 1C Unsigned 4 SYTASG_CALSLTA1 Total number of slots which have
been allocated for paging.
SALSLTAV in paging data area of
HCPPGD.
32 20 Unsigned 4 SYTASG_CALSLTI1 Total number of slots which are
currently being used by paging.
SALSLTIU in paging data area of
HCPPDG.
36 24 Unsigned 4 * Reserved for IBM use
40 28 Unsigned 4 * Reserved for IBM use
44 2C Unsigned 4 SYTASG_CALSLTA2 Total number of slots which have
been allocated for spooling.
SALSLTAV in spooling data area of
HCPPGD.
48 30 Unsigned 4 SYTASG_CALSLTI2 Total number of slots which are
currently being used by spooling.
SALSLTIU in spooling data area of
HCPPGD.
52 34 Unsigned 4 SYTASG_SYSSFCRT Cumulative number of files which
have been created. This includes
both spool files and system data
files, but not those files which
have already been purged.
56 38 Unsigned 4 SYTASG_SYSSFPUR Number of files which have been
purged. This includes both spool
and system data files, but not the
system data files in the pending
purge state.
60 3C Unsigned 4 SYTASG_CALTOTM1 Sum of modified Device Load
(MLOAD) on system paging
exposures. MLOAD is the product of
the number of pages in the
outstanding I/O requests on the
device multiplied by the service
time of the device. From SALTOTML
in paging area of HCPPGD.
64 40 Unsigned 4 SYTASG_CALAVGM1 Average system MLOAD (Modified
Device Load). From SALAVGML in
paging area of HCPPGD
68 44 Unsigned 4 SYTASG_CALTOTM2 Sum of modified Device Load
(MLOAD) on system spooling
exposures. MLOAD is the product of
the number of pages in the
outstanding I/O requests on the
device multiplied by the service
time of the device. From SALTOTML
in spooling area of HCPPGD.
72 48 Unsigned 4 SYTASG_CALAVGM2 Average system MLOAD (Modified
Device Load). From SALAVGML
spooling area of HCPPGD
76 4C Unsigned 4 SYTASG_CALDMPAV Total number of dump slots
available on special dump-only
volumes
80 50 Unsigned 4 SYTASG_CALDMPIU Total number of dump slots in
use on special dump-only volumes
84 54 Character 0 SYTASG_END
MRSYTASG 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
SYTASG 0 84
SYTASG_CALAVGM1 40 4
SYTASG_CALAVGM2 48 4
SYTASG_CALDMPAV 4C 4
SYTASG_CALDMPIU 50 4
SYTASG_CALSLTA1 1C 4
SYTASG_CALSLTA2 2C 4
SYTASG_CALSLTI1 20 4
SYTASG_CALSLTI2 30 4
SYTASG_CALTOTM1 3C 4
SYTASG_CALTOTM2 44 4
SYTASG_CAL90FUL 14 4
SYTASG_CAL91FUL 18 4
SYTASG_END 54 0
SYTASG_MRHDR 0 0
SYTASG_SYSSFCRT 34 4
SYTASG_SYSSFPUR 38 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