LAB 2.6 foo.slice doesn't have any impact
Somehow CPU usage stays 100%.
I also tried to make a [Slice] in foo.service.
I did the stop / reload-deamon /start.
I tried reboot once.
I tried to make /usr/lib/systemd/system/foo.slice
Operating System is Manjaro.
/etc/systemd/system >>> cat foo.service foo.slice [Unit] Description=Example service unit to run stress] Slice=foo.slice [Service] ExecStart=/usr/bin/stress --cpu 2 --io 2 --vm 4 --vm-bytes 256M [Install] WantedBy=multi-user.target [Unit] Description="stress slice" [Slice] CPUQuota=30%
It just stays under the system.slice
/etc/systemd/system >>> sudo systemctl status -l foo.service [1] ● foo.service - Example service unit to run stress] Loaded: loaded (/etc/systemd/system/foo.service; disabled; vendor preset: disabled) Active: active (running) since Fri 2021-02-26 17:12:40 CET; 57s ago Main PID: 22562 (stress) Tasks: 9 (limit: 4555) Memory: 697.5M CGroup: /system.slice/foo.service ├─22562 /usr/bin/stress --cpu 2 --io 2 --vm 4 --vm-bytes 256M ├─22563 /usr/bin/stress --cpu 2 --io 2 --vm 4 --vm-bytes 256M ├─22564 /usr/bin/stress --cpu 2 --io 2 --vm 4 --vm-bytes 256M ├─22565 /usr/bin/stress --cpu 2 --io 2 --vm 4 --vm-bytes 256M ├─22566 /usr/bin/stress --cpu 2 --io 2 --vm 4 --vm-bytes 256M ├─22567 /usr/bin/stress --cpu 2 --io 2 --vm 4 --vm-bytes 256M ├─22568 /usr/bin/stress --cpu 2 --io 2 --vm 4 --vm-bytes 256M ├─22569 /usr/bin/stress --cpu 2 --io 2 --vm 4 --vm-bytes 256M └─22570 /usr/bin/stress --cpu 2 --io 2 --vm 4 --vm-bytes 256M Feb 26 17:12:40 blabla systemd[1]: Started Example service unit to run stress]. Feb 26 17:12:40 blabla stress[22562]: stress: info: [22562] dispatching hogs: 2 cpu, 2 io, 4 vm, 0 hdd
Comments
-
Thank you for bringing this to our attention, investigating.
Lee0 -
Hi Lee
I just tied to add the connection of the .slice under [Service] as in the Arch Wiki but it's not working either.
https://wiki.archlinux.org/index.php/Cgroups#Grouping_unit_under_a_sliceI also checked the solutions of the lab exercise but the
Slice=foo.slice
entry is missing completely. (Solutions are attached to the post)/usr/.../systemd/system >>> cat foo.service foo.slice [Unit] Description=Example service unit to run stress [Service] Slice=foo.slice ExecStart=/usr/bin/stress --cpu 4 --io 4 --vm 2 --vm-bytes 256M [Install] WantedBy=multi-user.target [Unit] Description="stress slice" [Slice] CPUQuota=30%
0 -
Is the script track-STRESS.sh showing system.slice or foo.slice in the output?
There may have been a default config option change causing cgroupsV2 to be activated.Thanks Lee
0 -
system.slice as in the
systemctl status -l foo
under CGroup:CGroup: /system.slice/foo.service
0 -
That may be the clue I was looking for, it should be foo.slice. I'll check it out and get back to you.
Lee
0
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