[systemd-bugs] [Bug 89765] systemd-escape && systemd-nspawn

bugzilla-daemon at freedesktop.org bugzilla-daemon at freedesktop.org
Fri Apr 3 10:27:26 PDT 2015


https://bugs.freedesktop.org/show_bug.cgi?id=89765

--- Comment #3 from Lennart Poettering <lennart at poettering.net> ---
> stat /sys/fs/cgroup/systemd/$(systemctl --user show -p ControlGroup
> tmux.service|sed 's/.*=//' )

This is pretty good already. To get the missing prefix use the control group
root that your PID 1 systemd instance is using, which you can query with:

systemctl -a show -p ControlGroup

i.e. don't specify a unit name, and you get the manager's properties. And do
this for the system instance, not the user instance.

If you then concat the /sys/fs/cgroup prefix, with this PID1 cgroup root, with
the unit path, then you should be good.

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