Mike:
The SRB time is accumulated by SRBs (Service Request Blocks) and the
code running under them. SRBs are scheduled for several different system
functions, usually for asynchronous activity associated with the job. A
major SRB usage is the processing of I/O interrupts. When one occurs, an
SRB is dispatched to process and POST the interrupt completion back to
the potentially WAITing task (TCB). You might think of SRB time as
system time on behalf of the job.
Mike Myers
Mentor Services Corporation
Michael Poil wrote:
I am trying to get back up to speed on z/OS after being away from things
for a while.
I understand about TCB cpu time, but what gets charged as SRB time?
Normally it is low compared to TCB.
TIA
Mike
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Mike Poil
Java z/OS Level 3 Service
IBM United Kingdom Limited, Hursley Park, Winchester SO21 2JN
Internal: 246824 External: +44 (0)1962 816824
Java debugging: http://www.ibm.com/developerworks/java/jdk/diagnosis/
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