|
Programming Interface Information:
The Monitor Records are intended Programming Interfaces that allow the customer to write programs to obtain services of z/VM. |
MRSYTRSP
PrologControl Block Contents
Cross Reference
MRSYTRSP Prolog
DSECT NAME - SYTRSP
FUNCTION - Map a Monitor record.
LOCATED BY -
Through the Monitor Control Area
REFERENCED CONTROL BLOCKS -
MRRECHDR Monitor Record Header
NAME - MRSYTRSP
DESCRIPTIVE NAME - Monitor Sample Record
Domain 0 - System Record
Record 4 - Real Storage Data (Per Processor)
DESCRIPTION - Real storage exception conditions. Provides
an indication of memory contention and load.
A separate record is generated per online
processor.
MRSYTRSP Control Block Contents
Offsets
Dec Hex Type Len Name (Dim) Description
0 0 Structure 60 SYTRSP Start of monitor record
0 0 Character 0 SYTRSP_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 Unsigned 2 SYTRSP_PFXCPUAD Processor address
22 16 Unsigned 2 * Reserved for IBM use
24 18 Unsigned 4 SYTRSP_PLSSTLFR Count of frames taken to
satisfy the free storage extend
condition.
28 1C Unsigned 4 SYTRSP_PLSPRQDF Count of tasks deferred while
waiting for a page.
32 20 Unsigned 4 SYTRSP_PLSSHRRD Total number of page reads
and PAGINs for shared pages
36 24 Unsigned 4 SYTRSP_PLSALEMP Number of times the <2G
available list became empty.
See SYTRSP_PLSALEMG for the >2G
value.
40 28 Unsigned 4 SYTRSP_PLSNOCMP Number of times the demand
scan ran and was unable to
obtain enough frames.
44 2C Unsigned 4 SYTRSP_PLSMVB2G Number of page translations
that resulted in the page being
moved from a frame >= 2GB to
one < 2GB.
48 30 Unsigned 4 SYTRSP_PLSALEMG Number of times the >2G
available list became empty.
See SYTRSP_PLSALEMP for the <2G
value.
52 34 Unsigned 4 SYTRSP_PLSGCLEM Number of times replenishment
of the Local Cleared Available
List on this processor saw the
Global Cleared Available List
empty.
56 38 Unsigned 4 SYTRSP_PLSMVABV Number of times a page with
an address <2G was moved to a
frame with an address >=2G.
60 3C Character 0 SYTRSP_END
MRSYTRSP 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
SYTRSP 0 60
SYTRSP_END 3C 0
SYTRSP_MRHDR 0 0
SYTRSP_PFXCPUAD 14 2
SYTRSP_PLSALEMG 30 4
SYTRSP_PLSALEMP 24 4
SYTRSP_PLSGCLEM 34 4
SYTRSP_PLSMVABV 38 4
SYTRSP_PLSMVB2G 2C 4
SYTRSP_PLSNOCMP 28 4
SYTRSP_PLSPRQDF 1C 4
SYTRSP_PLSSHRRD 20 4
SYTRSP_PLSSTLFR 18 4
This information is
based on z/VM V5R2.0.
Last updated on 11 Dec 2005 at 18:48:12.
Copyright IBM Corporation, 1990, 2005