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Status Under development
Workspace Natural for z/OS
Categories Natural (NAT)
Created by Alexander Schuster
Created on Apr 20, 2023

Userexit to write SMF records without switching into TCB mode

We have an ongoing Assembler replacement project and want to get rid of a routine which writes SMF records for statistics data.

This routine is called around 60 million times a day from RPC transactions.

Every call causes a switch from zIIP to the GP