Re: Kernel 4.7rc3 - Performance drop 30-40% for SPECjbb2005 and SPECjvm2008 benchmarks against 4.6 kernel

[Peter Zijlstra]

On Fri, Jun 24, 2016 at 09:44:41AM +0200, Jirka Hladky wrote:
> I have double checked default settings and
> 
> kernel.sched_autogroup_enabled
> 
> is by default ON both in 4.6 and 4.7 kernel.

Yeah, if you enable that CONFIG its default enabled. In any case, I'll
go trawl through the cgroup code now. I spend yesterday looking at the
'wrong' part things.