MRMTRSCH

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   92  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            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  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  MTRSCH_SRMXPCTG     Percentage of XSTORE to use in
                                             WSS and available memory
                                             calculations. Defaulted or set by
                                             the SET SRM XSTORE command. Units
                                             of value is a hexadecimal factor
                                             scaled 8 bits. Examples-
                                             X'00000200'=2.00(200%),
                                             X'00000100'=1.00(100%),
                                             X'000000C0'=0.75(75%), etc.
 92  5C  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     92
MTRSCH_END             5C      0
MTRSCH_MRHDR            0      0
MTRSCH_SRMBIASD        28      2
MTRSCH_SRMBIASI        14      4
MTRSCH_SRMLDGCP        38      4
MTRSCH_SRMLDGUS        2A      2
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_SRMTSHOT        20      8
MTRSCH_SRMTSLIC        18      8
MTRSCH_SRMWSSMP        48      4
MTRSCH_SRMXPCTG        58      4




This information is
based on z/VM V4R4.0.

Last updated on 22 Jul 2003 at 15:04:23.

Copyright IBM Corporation, 1990, 2003