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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. |
MRSTOSXG
PrologControl Block Contents
Cross Reference
MRSTOSXG Prolog
DSECT NAME - STOSXG
FUNCTION - Map a Monitor record.
LOCATED BY -
Through the Monitor Control Area
REFERENCED CONTROL BLOCKS -
MRRECHDR Monitor Record Header
NAME - MRSTOSXG
DESCRIPTIVE NAME - Monitor Sample Record
Domain 3 - Storage Domain
Record 19 - System Execution Space (Global)
DESCRIPTION - Utilization of System Execution Space storage on a
global basis.
MRSTOSXG Control Block Contents
Offsets
Dec Hex Type Len Name (Dim) Description
0 0 Structure 88 STOSXG Start of monitor record
0 0 Character 0 STOSXG_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 STOSXG_RSASXUOT Count of pages of other CP
type pages: (SYTSXG_RSASXUCP -
(SYTSXG_RSASXUID +
SYTSXG_RSASXUFS +
SYTSXG_RSASXUFG)).
24 18 Unsigned 4 STOSXG_RSASXCTG Count of System Execution
Space pages in use as part of a
contiguous page request from
HCPGETST with PAGES>1. This
count does not include the
pages that were pre-allocated
as a part of initialization.
28 1C Unsigned 4 STOSXG_RSASXCPL Count of locked System
Execution Space alias pages
locked by the CP LOCK command.
32 20 Unsigned 4 STOSXG_RSASXPCT Number of pages on the System
Execution Space potentially-
stealable queue.
36 24 Unsigned 4 STOSXG_RSASXDCT Number of System Execution
Space page requests that are
currently deferred.
40 28 Unsigned 4 STOSXG_RSASXDCA Number of System Execution
Space create alias requests
that are currently deferred.
44 2C Unsigned 4 STOSXG_RSASXDPA Number of System Execution
Space page requests with
backing=any that are currently
deferred for a page.
48 30 Unsigned 4 STOSXG_RSASXDPB Number of System Execution
Space page requests with
backing=below 2G that are
currently deferred for a page.
52 34 Unsigned 4 STOSXG_RSASXDFA Number of System Execution
Space page requests that are
currently deferred for any
frame.
56 38 Unsigned 4 STOSXG_RSASXDFB Number of System Execution
Space page requests that are
currently deferred for a frame
below 2G.
60 3C Unsigned 4 STOSXG_RSASXRDA Count of times an attempt was
made to redrive tasks waiting
for an available page.
64 40 Unsigned 4 STOSXG_RSASXRDC Count of individual task
redrives for tasks waiting for
an available page.
68 44 Unsigned 4 STOSXG_RSASXAMX Maximum number of pages on
the backed above 2G queue.
72 48 Unsigned 4 STOSXG_RSASXBMX Maximum number of pages on
the backed below 2G queue.
76 4C Unsigned 4 STOSXG_RSASXQMN Threshold that triggers
replenishment of the available
unbacked SXS page queue.
80 50 Unsigned 4 STOSXG_RSASXQRA Number of aliases that are
stolen during a single
replenishment of the available
unbacked SXS page queue.
84 54 Unsigned 4 STOSXG_RSASXRPM Smallest number of pages on
the available, unbacked SXS
page queue at the completion of
replenishments.
88 58 Character 0 STOSXG_END
MRSTOSXG 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
STOSXG 0 88
STOSXG_END 58 0
STOSXG_MRHDR 0 0
STOSXG_RSASXAMX 44 4
STOSXG_RSASXBMX 48 4
STOSXG_RSASXCPL 1C 4
STOSXG_RSASXCTG 18 4
STOSXG_RSASXDCA 28 4
STOSXG_RSASXDCT 24 4
STOSXG_RSASXDFA 34 4
STOSXG_RSASXDFB 38 4
STOSXG_RSASXDPA 2C 4
STOSXG_RSASXDPB 30 4
STOSXG_RSASXPCT 20 4
STOSXG_RSASXQMN 4C 4
STOSXG_RSASXQRA 50 4
STOSXG_RSASXRDA 3C 4
STOSXG_RSASXRDC 40 4
STOSXG_RSASXRPM 54 4
STOSXG_RSASXUOT 14 4
This information is
based on z/VM V6R1.0.
Last updated on 8 Oct 2009 at 21:08:13.
Copyright IBM Corporation, 1990, 2009