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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. |
MRMTRSCH
PrologControl Block Contents
Cross Reference
MRMTRSCH Prolog
DSECT NAME - MTRSCH
FUNCTION - Map a Monitor record.
LOCATED BY -
Through the Monitor Control Area
REFERENCED CONTROL BLOCKS -
MRRECHDR Monitor Record Header
NAME - MRMTRSCH
DESCRIPTIVE NAME - Monitor Sample Configuration Record
Domain 1 - Monitor Domain
Record 16 - Scheduler Settings
DESCRIPTION - Provides current settings of scheduler tuning
commands such as SET SRM DSPLICE.
MRMTRSCH Control Block Contents
Offsets Dec Hex Type Len Name (Dim) Description 0 0 Structure 128+ MTRSCH Start of monitor record 0 0 Character 0 MTRSCH_MRHDR Record header. See MRRECHDR for details. 0 0 Character 20 MRHDR 0 0 Unsigned 2 MRHDRLEN 2 2 Unsigned 2 MRHDRZER 4 4 Unsigned 1 MRHDRDM 5 5 Unsigned 1 * 6 6 Unsigned 2 MRHDRRC 8 8 Character 8 MRHDRTOD 16 10 Character 4 * 20 14 Character 0 MRHDR_END 20 14 Unsigned 4 MTRSCH_SRMBIASI Interactive bias intensity. Set or defaulted by the SET SRM IAB command. 24 18 Character 8 MTRSCH_SRMTSLIC Minor time slice size. Set or defaulted by the SET SRM DSPSLICE command. 32 20 Character 8 MTRSCH_SRMTSHOT The minor time slice used for 'hotshot' users. 40 28 Unsigned 2 MTRSCH_SRMBIASD Interactive bias duration. Set or defaulted by the SET SRM IAB command. 42 2A Unsigned 2 MTRSCH_SRMLDGUS Number of page reads a user must do in a minor time slice to be classified as a 'loading user'. 44 2C Unsigned 4 MTRSCH_SRMP1LDG Percentage of 'Load Capacity' which can be taken by Q1, Q2, and Q3 users. Set or defaulted by the SET SRM LDUBUF command. 48 30 Unsigned 4 MTRSCH_SRMP2LDG Percentage of 'Load Capacity' which can be taken by Q2, and Q3 users. Set or defaulted by the SET SRM LDUBUF command. 52 34 Unsigned 4 MTRSCH_SRMP3LDG Percentage of 'Load Capacity' which can be taken by Q3 user. Set or defaulted by the SET SRM LDUBUF command. 56 38 Unsigned 4 MTRSCH_SRMLDGCP Loading user capacity of the system 60 3C Unsigned 4 MTRSCH_SRMP1WSS Percentage of available memory which is assignable to E1, E2 and E3 users. Set or defaulted by the SET SRM STORBUF command. 64 40 Unsigned 4 MTRSCH_SRMP2WSS Percentage of available memory which is assignable to E2 and E3 users. Set or defaulted by the SET SRM STORBUF command. 68 44 Unsigned 4 MTRSCH_SRMP3WSS Percentage of available memory which is assignable to E3 users. Set or defaulted by the SET SRM STORBUF command. 72 48 Unsigned 4 MTRSCH_SRMWSSMP Maximum MAXWSS percentage. Set or defaulted by the SET SRM MAXWSS command. 76 4C Unsigned 4 MTRSCH_SRML1DSP Number of openings in the dispatch list made available to users in the short-running (E1) transactions. Set or defaulted by the SET SRM DSPBUF command. 80 50 Unsigned 4 MTRSCH_SRML2DSP Number of openings in the dispatch list made available to users in the medium-running (E2) transactions. This value is a subset of MTRSCH_SRML1DSP. Set or defaulted by the SET SRM DSPBUF command. 84 54 Unsigned 4 MTRSCH_SRML3DSP Number of openings in the dispatch list made available to users in the long-running (E3) transactions. This value is a subset of MTRSCH_SRML1DSP. Set or defaulted by the SET SRM DSPBUF command. 88 58 Unsigned 4 * Reserved for IBM use. - was MTRSCH_SRMXPCTG 92 5C Bitstring 1 MTRSCH_SRMFLAGS Flags from the SRMBK 1... .... MTRSCH_SRMAWAIT Active wait is in use .1.. .... MTRSCH_SRMLMCNS Guest CPU u sage is being limited using the consumption method. ..1. .... * ...1 .... * .... 1... * .... .1.. * .... ..1. * .... ...1 * 93 5D Bitstring 1 MTRSCH_CALFLAG Miscellaneous flags 1... .... MTRSCH_PFXVVMXA When ON, system is running second level. .1.. .... MTRSCH_SYSGPRFD This flag is not applicable when MTRSCH_PFXVVMXA is ON. When MTRSCH_PFXVVMXA is OFF and MTRSCH_SYSGPRFD is ON, global performance data (GPD) is enabled for this partition. ..1. .... * ...1 .... * .... 1... * .... .1.. * .... ..1. MTRSCH_SYSISVRT Current polarization mode. ON = vertical OFF = horizontal .... ...1 * 94 5E Unsigned 1 MTRSCH_PUCMAX Highest CPU type code supported by z/VM. This value defines upper boundary of a dimension of arrays: MTRSCH_SRXCPPAD, MTRSCH_SRXEXUSE. 95 5F Unsigned 1 MTRSCH_CALWDA Code indicating which distribution algorithm is currently being used. 1 - MTRSCH_RESHUFFLE 2 - MTRSCH_REBALANCE 96 60 Unsigned 2 MTRSCH_OFFCPPAD Offset within this record to MTRSCH_SRXCPPAD array. 98 62 Unsigned 2 MTRSCH_OFFEXUSE Offset within this record to MTRSCH_SRXEXUSE array. 100 64 Bitstring 1 MTRSCH_SRMDSPFL Dispatcher control settings flags 1... .... MTRSCH_SRMTSAFF Thread soft affinity is on .1.. .... MTRSCH_SRMPRLCL Local preemption is on ..1. .... MTRSCH_SRMTSAFS Thread soft affinity requested but suppressed ...1 .... * .... 1... * .... .1.. * .... ..1. * .... ...1 * 101 65 Unsigned 1 MTRSCH_SRMTSEPC TSEarly Percent (hex) 102 66 Unsigned 2 * Reserved for IBM use 104 68 Unsigned 4 MTRSCH_CALCHIPB Within-chip busy steal threshold in microseconds 108 6C Unsigned 4 MTRSCH_CALCHIPD Within-chip delay steal threshold in microseconds 112 70 Unsigned 4 MTRSCH_CALNODEB Within-node busy steal threshold in microseconds 116 74 Unsigned 4 MTRSCH_CALNODED Within-node delay steal threshold in microseconds 120 78 Unsigned 4 MTRSCH_CALSYSB Within-system busy steal threshold in microseconds 124 7C Unsigned 4 MTRSCH_CALSYSD Within-system delay steal threshold in microseconds 128 80 Character 0 * Additional fields may be inserted before here. Use offsets to locate any fields after this point. 0 0 Unsigned 4 MTRSCH_SRXCPPAD(0:PUCMAX) Set SRM CPUPAD settings, indexed by CPU type: 0 -- for type CP 1 -- not used 2 -- for type zAAP 3 -- for type IFL 4 -- for type ICF 5 -- for type zIIP A scaled number where X'00010000' represents one CPU's worth of capacity. MTRSCH_OFFCPPAD should be used to locate this field. 0 0 Unsigned 1 MTRSCH_SRXEXUSE(0:PUCMAX) Set SRM EXCESSUSE settings, indexed by CPU type. See MTRSCH_SRXCPPAD description for possible type list. MTRSCH_OFFEXUSE should be used to locate this field. 16 - indicates the system should be aggressive in using unentitled CPU capacity. 8 - indicates the system should be moderately aggressive in using unentitled CPU capacity. 1 - indicates the system should not be aggressive in using unentitled CPU capacity. * * Character 0 MTRSCH_END
MRMTRSCH 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 MTRSCH 0 128+ MTRSCH_CALCHIPB 68 4 MTRSCH_CALCHIPD 6C 4 MTRSCH_CALFLAG 5D 1 MTRSCH_CALNODEB 70 4 MTRSCH_CALNODED 74 4 MTRSCH_CALSYSB 78 4 MTRSCH_CALSYSD 7C 4 MTRSCH_CALWDA 5F 1 MTRSCH_END * * MTRSCH_MRHDR 0 0 MTRSCH_OFFCPPAD 60 2 MTRSCH_OFFEXUSE 62 2 MTRSCH_PFXVVMXA 5D 80 MTRSCH_PUCMAX 5E 1 MTRSCH_SRMAWAIT 5C 80 MTRSCH_SRMBIASD 28 2 MTRSCH_SRMBIASI 14 4 MTRSCH_SRMDSPFL 64 1 MTRSCH_SRMFLAGS 5C 1 MTRSCH_SRMLDGCP 38 4 MTRSCH_SRMLDGUS 2A 2 MTRSCH_SRMLMCNS 5C 40 MTRSCH_SRML1DSP 4C 4 MTRSCH_SRML2DSP 50 4 MTRSCH_SRML3DSP 54 4 MTRSCH_SRMP1LDG 2C 4 MTRSCH_SRMP1WSS 3C 4 MTRSCH_SRMP2LDG 30 4 MTRSCH_SRMP2WSS 40 4 MTRSCH_SRMP3LDG 34 4 MTRSCH_SRMP3WSS 44 4 MTRSCH_SRMPRLCL 64 40 MTRSCH_SRMTSAFF 64 80 MTRSCH_SRMTSAFS 64 20 MTRSCH_SRMTSEPC 65 1 MTRSCH_SRMTSHOT 20 8 MTRSCH_SRMTSLIC 18 8 MTRSCH_SRMWSSMP 48 4 MTRSCH_SRXCPPAD 0 4 MTRSCH_SRXEXUSE 0 1 MTRSCH_SYSGPRFD 5D 40 MTRSCH_SYSISVRT 5D 02
This information is based on z/VM V7R1.0.
Last updated on 11 Sept 2018 at 16:00:09.
Copyright IBM Corporation, 1990, 2018