On 2016.04.08 14:00 Rafael J. Wysocki wrote: > On Friday, April 08, 2016 08:50:54 AM Mike Galbraith wrote: >> On Fri, 2016-04-08 at 08:45 +0200, Peter Zijlstra wrote: >> >>> Cute, I thought you used governor=performance for your runs? >> >> I do, and those numbers are with it thus set.
> Well, this is a trade-off. > > 4.5 introduced a power regression here so this one goes back to the previous > state of things. Mike: Could you send me, or point me to, the program "pipe-test"? So far, I have only found one, but it is both old and not the same program you are running (based on print statements). I realize I might not be to recreate your problem scenario anyhow, I just want to try. ... Doug
