MRSYTSCP

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
   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      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 in formal spinlock
                                                  spin routines HCPSYN
                                                  and HCPSXL.           @VR
  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 V6R4.0.

Last updated on 22 Aug 2017 at 21:24:11.

Copyright IBM Corporation, 1990, 2017