SRB:
Acronym for Service Request Block. In the MVS operating system, one
way in which an application program can request that work be
performed by MVS is to create an SRB--a formatted control block
defining the work request in conformance with the MVS API--and to
pass the address of the SRB to MVS with a request to perform the work
specified in the SRB. See also API, TCB.
In Joblog, IEF374I/IEF032I message has CPU and SRB times. Here CPU time indicates the time spend
on program logic. SRB time indicates the times spend on I/O.
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