<gchristensen>
I'm seeing the io controller enabled in /sys/fs/cgroup/cgroup.controllers, /sys/fs/cgroup/system.slice/cgroup.controllers, and /sys/fs/cgroup/system.slice/nix-daemon.service/cgroup.controllers with IOAccounting enabled on system.slice and nix-daemon.service, but /sys/fs/cgroup/system.slice/nix-daemon.service/io.stat is totally empty. And actually, almost all of my io.stat files are empty,
<flokli>
we still set it to hybrid by default, because we don't want to break docker, at least not until some of the open PRs with /var/lib/containers have been fixed
<gchristensen>
I use the unified control group hierarchy, not hybrid
<{^_^}>
systemd/systemd#12074 (by poettering, 1 year ago, merged): expose IO stats on the bus and in "systemctl status" and "systemd-run --wait"
<gchristensen>
is this question worth retrying in #systemd, or is there something I should be reading first? (I tried to be thorough {reading the resource control man page, and the linux kernel docs on the cgroupsv2 documentation, especially on the io controller} before coming here, but if you have further pointers...)
<flokli>
I haven't seen it working so far, but didn't bother enough to check further. If you want to drill down into it, I'd be more than interested to see why it's currently not working, and how we can fix it.
<gchristensen>
cool, thanks
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