IBM Mainframe Discussion List <IBM-MAIN@BAMA.UA.EDU> wrote on 04/14/2006 08:51:30 AM:
> Here's an interesting phenomenon that perhaps some of you have observed, or > maybe not. I've observed it when running in SRB mode and specifying > LINKAGE=BRANCH when using WTOs for messaging. Perhaps someone can explain > what is going on here. > > For situtation #1, my app is running in SRB mode, it physically resides in > ECSA, supervistor state, key 0. I needed to do some debugging and added > some strategically placed WTOs. It's a fast running process and many times > the WTOs would never externalize. I finally figured out that if coded > SYNCH=YES on the WTO, I would see the WTOs in the job output. However, > issuing the WTO with SYNCH=YES caused the app to run doggggy slow, and I > mean REALLY slooooooow. With SYNCH=YES, the WTO is displayed by itself on a console using special processing, and held on the console for 10 seconds (spinning for 10 seconds in the console code). So the WTO macro takes at least 10 seconds to return to your code. Jim Mulder z/OS System Test IBM Corp. Poughkeepsie, NY ---------------------------------------------------------------------- For IBM-MAIN subscribe / signoff / archive access instructions, send email to [EMAIL PROTECTED] with the message: GET IBM-MAIN INFO Search the archives at http://bama.ua.edu/archives/ibm-main.html
