A fix is available
APAR status
Closed as program error.
Error description
The count of MQCTLs in SMF 116 records (WTASCTN) is incorrect for long-running tasks as the count is not cleared at each SMF interval (WTASCTET and WTASCTCT are also incorrect, as are WTASTPN, WTASSUN, WTASSQN, WTASSTN).
Local fix
Problem summary
**************************************************************** * USERS AFFECTED: All users of WebSphere MQ Version 7 * * Release 0 Modification 1 and * * Release 1 Modification 0. * **************************************************************** * PROBLEM DESCRIPTION: When class 3 accounting trace is active * * the invocation counts and times for the * * new MQ V7 API calls are incorrect in * * SMF 116 records for long running * * threads. * **************************************************************** * RECOMMENDATION: * **************************************************************** When collecting class 3 accounting in WTAS records the invocation counts and times for the new MQ API calls are not cleared after the statistics collection interval (when WTAS is copied to SMF116) for long running threads that expand over multiple statistics collection intervals. The following are the counts and times that are affected: WTASPBHW Publish high water mark elapsed time WTASPBTT Publish total elapsed time WTASTPET MQOPEN/MQPUT1 resolving to topics elapsed time WTASTPCT MQOPEN/MQPUT1 resolving to topics CPU time WTASTPN MQOPEN/MQPUT1 resolving to topics count WTASSUET MQSUB Elapsed time WTASSUCT MQSUB CPU time WTASSUN MQSUB count WTASSUSC MQSUB count of selectors WTASSUSL MQSUB max length selector WTASSQET MQSUBRQ Elapsed time WTASSQCT MQSUBRQ CPU time WTASSQN MQSUBRQ count WTASCTET MQCTL Elapsed time WTASCTCT MQCTL CPU time WTASCTN MQCTL count WTASSTET MQSTAT Elapsed time WTASSTCT MQSTAT CPU time WTASSTN MQSTAT count WTASCTSR CPU TIME UNDER SRB
Problem conclusion
CSQ7PLRT has been updated to clear the WTAS record after every statistics collection interval when data is copied to SMF 116 records. 010Y 100Y CSQ7PLRT
Temporary fix
Comments
APAR Information
APAR number
PI17215
Reported component name
WMQ Z/OS V7
Reported component ID
5655R3600
Reported release
100
Status
CLOSED PER
PE
NoPE
HIPER
NoHIPER
Special Attention
NoSpecatt / Xsystem
Submitted date
2014-05-05
Closed date
2014-05-16
Last modified date
2014-07-01
APAR is sysrouted FROM one or more of the following:
APAR is sysrouted TO one or more of the following:
UI18051 UI18052
Modules/Macros
CSQ7PLRT
Fix information
Fixed component name
WMQ Z/OS V7
Fixed component ID
5655R3600
Applicable component levels
Fix is available
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Document Information
Modified date:
01 July 2014