Re: [REGRESSION] Re: [PATCH 00/24] Complete EEVDF

[Peter Zijlstra]

On Mon, Jan 06, 2025 at 07:01:34AM -0800, Doug Smythies wrote:

> > What is the easiest 100% load you're seeing this with?
> 
> Lately, and specifically to be able to tell others, I have been using:
> 
> yes > /dev/null &
> 
> On my Intel i5-10600K, with 6 cores and 2 threads per core, 12 CPUs,
> I run 12 of those work loads.

On my headless ivb-ep 2 sockets, 10 cores each and 2 threads per core, I
do:

for ((i=0; i<40; i++)) ; do yes > /dev/null & done
tools/power/x86/turbostat/turbostat --quiet --Summary --show Busy%,Bzy_MHz,IRQ,PkgWatt,PkgTmp,TSC_MHz --interval 1

But no so far, nada :-( I've tried with full preemption and voluntary,
HZ=1000.