Re: Quad core CPUs loaded at only 50% when running a CPU and mmap intensive multi-threaded task

Peter Zijlstra
2008-08-25T10:37:43Z

On Mon, 2008-08-25 at 13:22 +0300, Török Edwin wrote:
>
> >> Why did 2.6.24 seem to work better?
> >>

> > That might cause some overhead on very high context switch rates.
>
> No difference, and turning off the other features from sched_features
> doesn't seem to help either.

OK, I'll poke a little more at is later today to see if I can spot
something