Comment 9 for bug 1405256

Quoting Peter Schüller (<email address hidden>):
> So what is the new recommended way to setup cgroups that should always
> exist even after a reboot?

Currently the recommended way in 15.04 is to use systemd to create
the cgroups (i.e. see http://www.freedesktop.org/software/systemd/man/systemd.resource-control.html)

We will be discussing and designing the next steps at the next Ubuntu
Online Summit. This should include how to respond to changing resources
(i.e. cpu hotplug) as well as more administrator-controlled cgroups,
which is what (if I understand correctly0 you want.