Re: [Documentation] State of CPU controller in cgroup v2

[Andy Lutomirski]

On Sep 16, 2016 12:51 AM, "Peter Zijlstra" <peterz@xxxxxxxxxxxxx> wrote:
>
> On Thu, Sep 15, 2016 at 01:08:07PM -0700, Andy Lutomirski wrote:
> > BTW, Mike keeps mentioning exclusive cgroups as problematic with the
> > no-internal-tasks constraints.  Do exclusive cgroups still exist in
> > cgroup2?  Could we perhaps just remove that capability entirely?  I've
> > never understood what problem exlusive cpusets and such solve that
> > can't be more comprehensibly solved by just assigning the cpusets the
> > normal inclusive way.
>
> Without exclusive sets we cannot split the sched_domain structure.
> Which leads to not being able to actually partition things. That would
> break DL for one.

Can you sketch out a toy example?  And what's DL?