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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. |
MRSYTSCP
PrologControl Block Contents
Cross Reference
MRSYTSCP Prolog
DSECT NAME - SYTSCP
FUNCTION - Map a Monitor record.
LOCATED By -
Through the Monitor Control Area
REFERENCED CONTROL BLOCKS -
MRRECHDR Monitor Record Header
NAME - MRSYTSCP
DESCRIPTIVE NAME - Monitor Sample Record
Domain 0 - System Domain
Record 13 - Scheduler Activity (Per Processor)
DESCRIPTION - Describes scheduler activities in a processor. A
separate record is generated for each online processor
in the system.
NOTES:
- This record should be used in conjunction with record MRSYTSCG
(Domain 0, Record 10) for a complete description of scheduler
activities in the system.
MRSYTSCP Control Block Contents
Offsets
Dec Hex Type Len Name (Dim) Description
0 0 Structure 56 SYTSCP start of monitor record
0 0 Character 0 SYTSCP_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 2 SYTSCP_PFXCPUAD Processor address
22 16 Unsigned 2 SYTSCP_PLSEQKAD Number of times a QUICKDISP
user was added to the
dispatch list
24 18 Unsigned 2 SYTSCP_PLSEFRC1 Number of times a user was
'forced into' Q1 due to being
behind schedule, even when it
would not fit
26 1A Unsigned 2 SYTSCP_PLSEFRC2 Number of times a user was
'forced into' Q2 due to being
behind schedule, even when it
would not fit
28 1C Unsigned 2 SYTSCP_PLSEFRC3 Number of times a user was
'forced into' Q3 due to being
behind schedule, even when it
would not fit
30 1E Unsigned 2 * Reserved for IBM use
32 20 Unsigned 4 SYTSCP_PLSDSPCN Count of the number of
times the dispatcher opened
an interrupt window while
looping in an attempt to get
a share of the scheduler lock
36 24 Unsigned 1 SYTSCP_PFXCPUTY CPU Type. Valid values:
X'00' - General Purpose (CP)
X'02' - zSeries Application
Assist (zAAP) X'03' -
Integrated Facility for Linux
(IFL) X'04' - Internal
Coupling Facility (ICF) X'05'
- zSeries Integrated
Information (zIIP)
37 25 Character 3 * Reserved for IBM use
40 28 Unsigned 4 SYTSCP_PLSCPD44 Count of Diagnose x'44's
issued by CP
44 2C Unsigned 4 SYTSCP_PLSDSP9C Count of Diagnose x'9C's
issued by HCPDSP
48 30 Unsigned 4 SYTSCP_PLSSYN9C Count of Diagnose x'9C's
issued by HCPSYN
52 34 Unsigned 4 SYTSCP_PLSHVR9C Count of Diagnose x'9C's
issued by HCPHVR
56 38 Character 0 SYTSCP_END
MRSYTSCP 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
SYTSCP 0 56
SYTSCP_END 38 0
SYTSCP_MRHDR 0 0
SYTSCP_PFXCPUAD 14 2
SYTSCP_PFXCPUTY 24 1
SYTSCP_PLSCPD44 28 4
SYTSCP_PLSDSPCN 20 4
SYTSCP_PLSDSP9C 2C 4
SYTSCP_PLSEFRC1 18 2
SYTSCP_PLSEFRC2 1A 2
SYTSCP_PLSEFRC3 1C 2
SYTSCP_PLSEQKAD 16 2
SYTSCP_PLSHVR9C 34 4
SYTSCP_PLSSYN9C 30 4
This information is
based on z/VM V6R2.0.
Last updated on 23 Nov 2011 at 15:33:04.
Copyright IBM Corporation, 1990, 2011