Ted:
At one time (MVS) there was a product called QCM. Which did measure
precisely the amount of CPU time that was used by the task and by MVS.
Alas it is (AFAIK) no longer marketed.
Ed
On Jan 31, 2014, at 11:12 PM, Ted MacNEIL wrote:
vm370 did accurately track time used ... but mvs is quite a bit
sloppier ... which gives rise to "capture ratio" ... ratio cpu
accounted
for compared to total cpu busy.
I've been doing capacity planning since 1981.
VM is better than MVS, but it's not 100% accurate.
No software monitor can be.
-
-teD
300,000 Kilometres per Second
Not only is it a good idea!
It's the LAW!!!
----------------------------------------------------------------------
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
