OA37803: NEW FUNCTION - RMF SUPPORT OF THE WARNING-TRACK-INTERRUPTION- FACILITY ON THE IBM ZENTERPRISE EC12 (ZEC12) SERVER (D/T2827).

Obtain the fix for this APAR.

APAR status

• Closed as new function.

Error description

• New function:
  RMF support of the Warning-Track-Interruption-Facility
  on the IBM zEnterprise EC12 (zEC12) server (D/T2827).
  

Local fix

Problem summary

• ****************************************************************
  * USERS AFFECTED:          RMF users.                          *
  ****************************************************************
  * PROBLEM DESCRIPTION: RMF support of the                      *
  *                      Warning-Track-Interruption-Facility     *
  *                      on the IBM zEnterprise EC12 (zEC12)     *
  *                      server (D/T2827). This includes new     *
  *                      measurements in SMF Record 70           *
  *                      Subtype 1 and new RMF Postprocessor     *
  *                      Overview/Exception Conditions.          *
  ****************************************************************
  * RECOMMENDATION:                                              *
  ****************************************************************
  z/OS V1.12 and V1.13 RMF is extended to report
  activity of the Warning-Track-Interruption-Facility
  on the IBM zEnterprise EC12 (zEC12)
  server (D/T2827).
  
  +-------------------------------------------------------------+
  
  FIXCAT=IBM.Device.Server.zEC12-2827/K
  
  keyword  D/T2827
  
  +--------------------------------------------------------------+
  
   SMF RECORD TYPES 70 TO 79  RMF PRODUCT SECTION
  
  The SMF record level change number SMFxxSRL at offset 51 (x33)
  changes to 99 (x63).
  
  SMF RECORD 70 SUBTYPE 1 (CPU ACTIVITY)
  
  The CPU data section is updated with information about
  the Warning-Track-Interruption-Facility as described in the
  table below.
  
   OFFSETS  NAME     LEN FORMAT DESCRIPTION
  
    ...
    80 x50  SMF70WTS  4  The number of times PR/SM issued a
                         warning-track interruption to a logical
                         processor and z/OS was able to return
                         the logical processor within the grace
                         period.
    84 x54  SMF70WTU  4  The number of times PR/SM issued a
                         warning-track interruption to a logical
                         processor and z/OS was unable to return
                         the logical processor within the grace
                         period.
    88 x58  SMF70WTI  4  Amount of time in milliseconds that a
                         logical processor was yielded to PR/SM
                         due to warning-track processing.
    ...
  
  Following new Overview/Exception conditions are supported:
  
   CONDITION               NAME      SOURCE    ALGORITHM
   ------------------------------+---------+---------+------------
   Percentage of times     WTRKCP    SMF70WTS  WTS / (WTS + WTU)
   PR/SM issued a warning-           SMF70WTU
   track-interruption to a
   general purpose processor
   and z/OS was able to
   return it to PR/SM within
   the grace period.
  
   Percentage of times     WTRKAAP   SMF70WTS  Same as WTRKCP but
   PR/SM issued a warning-           SMF70WTU  applied to zAAP
   track-interruption to a
   zAAP and z/OS was able
   to return it to PR/SM
   within the grace period.
  
   Percentage of times     WTRKIIP   SMF70WTS  Same as WTRKCP but
   PR/SM issued a warning-           SMF70WTU  applied to zIIP
   track-interruption to a
   zIIP and z/OS was able
   to return it to PR/SM
   within the grace period.
  
   Time in milliseconds    WTRKTCP   SMF70WTI  Value or
   that a general purpose                      comparison
   processor was yielded to
   PR/SM due to warning-
   track processing.
  
   Time in milliseconds    WTRKTAAP  SMF70WTI  Value or
   that a zAAP was yielded                     comparison
   to PR/SM due to warning-
   track processing.
  
   Time in milliseconds    WTRKTIIP  SMF70WTI  Value or
   that a zIIP was yielded                     comparison
   to PR/SM due to warning-
   track processing.
  

Problem conclusion

Temporary fix

Comments

APAR Information

• APAR is sysrouted FROM one or more of the following:

• APAR is sysrouted TO one or more of the following:

  UA66492 UA66493

Modules/Macros

• ERBCPSMF ERBDRHDR ERBDUCPU ERBEXCIT ERBEXCPU
  ERBFLCNV ERBGRCS0 ERBMFBSR ERBMFCLS ERBMFDCP ERBMFECP ERBMFICP
  ERBMFIZS ERBMFMFC ERBMFPSC ERBMFRCR ERBMFTMA ERBPCTBL ERBPPASS
  ERBPPCOM ERBPPCON ERBRMFPP ERBSMFI  ERBSMF70 ERB3GCPC ERB3GCTC
  ERB3GGSS ERB3GINI ERB3GISS ERB3GSMF ERB3GSMM ERB3GXCF ERB3RACC
  ERB3RCDC ERB3RCPC ERB3RENC ERB3RSYS ERB3RTBR ERB3RWFX
  

Fix information

• Fixed component name

  RMF

• Fixed component ID

  566527404

Applicable component levels

• R770 PSY UA66492

     UP12/09/12 P F209

• R780 PSY UA66493

     UP12/09/12 P F209

Fix is available

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