emo/openrc
1
0
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity

fix unified cgroups v2 setup

Browse Source 
The cgroups v2 setup required the rc_cgroups_controllers variable
to be set to the list of controllers to enable regardless of whether the
mode was hybrid or unified.

This makes sense for hybrid mode since the controllers can't be in both
the cgroups v1 and v2 hierarchies, but for unified mode we should enable
all controllers that are configured in the kernel.
This commit is contained in:
William Hubbs 2021-02-23 23:08:56 -06:00
parent 0ddab761be
commit 4fb4674374
2 changed files with 17 additions and 10 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

7
etc/rc.conf
View File

@ -198,10 +198,9 @@ rc_tty_number=12
# "unified" mounts cgroups version 2 on /sys/fs/cgroup
#rc_cgroup_mode="hybrid"
# This is a list of controllers which should be enabled for cgroups version 2.
# If hybrid mode is being used, controllers listed here will not be
# available for cgroups version 1.
# This is a global setting.
# This is a list of controllers which should be enabled for cgroups version 2
# when hybrid mode is being used.
# Controllers listed here will not be available for cgroups version 1.
#rc_cgroup_controllers=""
# This variable contains the cgroups version 2 settings for your services.

18
init.d/cgroups.in
View File

@ -83,14 +83,22 @@ cgroup2_controllers()
local active cgroup_path x y
cgroup_path="$(cgroup2_find_path)"
[ -z "${cgroup_path}" ] && return 0
[ -e "${cgroup_path}/cgroup.controllers" ] &&
[ ! -e "${cgroup_path}/cgroup.controllers" ] && return 0
[ ! -e "${cgroup_path}/cgroup.subtree_control" ]&& return 0
read -r active < "${cgroup_path}/cgroup.controllers"
for x in ${rc_cgroup_controllers}; do
for y in ${active}; do
[ "$x" = "$y" ] &&
[ -e "${cgroup_path}/cgroup.subtree_control" ]&&
for x in ${active}; do
case "$rc_cgroup_mode" in
unified)
echo "+${x}" > "${cgroup_path}/cgroup.subtree_control"
;;
hybrid)
for y in ${rc_cgroup_controllers}; do
if [ "$x" = "$y" ]; then
echo "+${x}" > "${cgroup_path}/cgroup.subtree_control"
fi
done
;;
esac
done
return 0
}