In the (relatively) dark ages of VM/HPO and the 4381 MP models, they called this "Active Wait". I'm sure somebody got a nice oxymoron award for that one... ;)
-dan. On Thu, 13 Feb 2003, Joe Poole wrote: > On Thursday 13 February 2003 16:09, Alex wrote: > > -the hmc indicates that the ifl is at 99% utilization. > > Our HMC on the z900 always shows 99% for the IFL, even if it's not > doing anything substantial. Running a CPU hot all the time was an > old performance enhancing trick I remember from the 4381 days. I > can't recall why, though. The RTM numbers give a better reading. >
