IBM Mainframe Discussion List <[email protected]> wrote on 01/04/2007 
01:17:29 PM:

> We have been asked by IBM if any SSI (following a specific SSI in the 
list
> of SSIs) could be modifying flags in messages' WQEs.  Is there a trace
> that could help answer that?  I see that there is a COMP=SYSOPS CTRACE
> but haven't seen a good description of that.  Is that helpful for the?
> If so, is there some fine manual that describes that CTRACE?
> 
> I think I would like a before/after snapshot of WQEs at each of a
> couple of SSIs.  Alternately, before/after each SSI that cares about
> messages.  Worst of all would be a before/after snapshot for every
> SSI.   (We have 69 SSIs, although about half are flagged inactive.)
> 
> If anybody knows of any other way to address this, I'm open to any
> suggestions.

  The routing to WTO SSI function routines is done by SSI, not 
Console, so the SYSOPS CTRACE will not help you a snapshot
after each function routine. Your choices would be:

1. SLIP IF,A=TRACE  in IEFJRASP with a DATA filter on the SSI 
   function code.  IEFJRASP is OCO, so you would need assistance from
   MVS SSI Level 2 to construct the SLIP.

2. Write an IEFJFRQ exit.  This is documented in the 
   "MVS Istallation Exits" manual. 

Jim Mulder   z/OS System Test   IBM Corp.  Poughkeepsie,  NY

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