https://www.kernel.org/doc/Documentation/cgroup-v2.txt

presentations:
https://www.infoq.com/presentations/cgroup-v2
https://www.youtube.com/watch?v=ikZ8_mRotT4
https://www.youtube.com/watch?v=XKwBtDhZ2Gc
2017
https://fosdem.org/2017/schedule/event/cgroupv2/attachments/slides/1792/export/events/attachments/cgroupv2/slides/1792/cgroupv2_cdown_fosdem.pdf