PI99108: SMF 117 RECORDS MAY EVENTUALLY REPORT CPUTIME (IMFLTPCP)AS 0

APAR status

• Closed as program error.

Error description

• IIB calculates a CPUtime delta value for each time interval
  based on the
  difference between the CPUtime value returned by the clock()
  function
  call at the start and the end of the time interval.
  
  The C++ clock() function defines its time measurement as a type
  that has
  a maximum value of 4294967295. If a message flow thread runs
  long enough
  and consumes a large amount of CPUtime over an extended period,
  then the
  max value will be reached. When this occurs, the start and end
  of the
  time interval are the same max value, resulting in a delta
  CPUtime value
  of 0.
  

Local fix

• Without the fix, the only way to reset the CPUtime count is to
  restart the process.
  

Problem summary

• ****************************************************************
  USERS AFFECTED:
  All users of IBM Integration Bus on z/OS collecting statistics
  and accounting data.
  
  
  Platforms affected:
  z/OS
  
  ****************************************************************
  PROBLEM DESCRIPTION:
  IIB calculates a CPUtime delta value for each time interval
  based on the difference between the CPUtime value returned by
  the clock() function call at the start and the end of the time
  interval.
  
  The C++ clock() function defines its time measurement as a type
  that has a maximum value of 4294967295. If a message flow thread
  runs long enough and consumes a large amount of CPUtime over an
  extended period,  then the max value will be reached. When this
  occurs, the start and end of the time interval are the same max
  value, resulting in a delta CPUtime value of 0. As a result, the
  SMF 117 IMFLTPCP field will be reported as 0.
  

Problem conclusion

• The product has been modified so that the SMF 117 IMFLTPCP field
  does not zero out.
  
  ---------------------------------------------------------------
  The fix is targeted for delivery in the following PTFs:
  
  Version    Maintenance Level
  v10.0      10.0.0.15
  v11.0      11.0.0.4
  
  The latest available maintenance can be obtained from:
  http://www-01.ibm.com/support/docview.wss?rs=849&uid=swg27006041
  
  If the maintenance level is not yet available,information on
  its planned availability can be found on:
  http://www-1.ibm.com/support/docview.wss?rs=849&uid=swg27006308
  ---------------------------------------------------------------
  

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:

Fix information

• Fixed component name

  IIB Z/OS

• Fixed component ID

  5655AB100

Applicable component levels