There's no "measurement process" per se - I'm reporting the data as indicated directly from the job log.
-----Original Message----- From: IBM Mainframe Discussion List [mailto:[email protected]] On Behalf Of Charles Mills Sent: Monday, July 24, 2017 3:20 PM To: [email protected] Subject: Re: REGION=0M leads to CPU through the roof ELEVEN MINUTES of CPU time to manage the stack and heap??? Something is very wrong here. It's either a flaw in the measurement process or something is very wrong in LE, MVS, etc. If it is eleven minutes of heap management then I would say that is a PMRable problem. I would be checking my work -- the measurement process -- and then reporting the problem to IBM. Charles -----Original Message----- From: IBM Mainframe Discussion List [mailto:[email protected]] On Behalf Of David W Noon Sent: Monday, July 24, 2017 3:00 PM To: [email protected] Subject: Re: REGION=0M leads to CPU through the roof On Mon, 24 Jul 2017 21:49:43 +0000, Way, Richard ([email protected]) wrote about "Re: REGION=0M leads to CPU through the roof" (in <at5pr84mb0052b5a0bdde3c218dc53375ee...@at5pr84mb0052.namprd84.prod.outlook.com>): > Thanks! I'm a little reluctant to run a job that already takes 12 > CPU-minutes with RPTSTG(ON), but I may be able to cut the test data > back significantly and still see the relative increase, in which case > this may be very useful. I'll read through that tuning document as well! When you are fiddling with the LE parameters, you might also constrain the stack and heap sizes. Your excess CPU time could well be the LE memory management routines having to manage excessive amounts of virtual storage, and limiting the stack and/or heap could save much CPU. ---------------------------------------------------------------------- For IBM-MAIN subscribe / signoff / archive access instructions, send email to [email protected] with the message: INFO IBM-MAIN ---------------------------------------------------------------------- For IBM-MAIN subscribe / signoff / archive access instructions, send email to [email protected] with the message: INFO IBM-MAIN
