parent
a71a461e45
commit
457f928e79
45
etc/rc.conf
45
etc/rc.conf
@ -191,13 +191,43 @@ rc_tty_number=12
|
||||
##############################################################################
|
||||
# LINUX CGROUPS RESOURCE MANAGEMENT
|
||||
|
||||
# If you have cgroups turned on in your kernel, this switch controls
|
||||
# whether or not a group for each controller is mounted under
|
||||
# /sys/fs/cgroup.
|
||||
# None of the other options in this section work if this is set to "NO".
|
||||
# This sets the mode used to mount cgroups.
|
||||
# "hybrid" mounts cgroups version 2 on /sys/fs/cgroup/unified and
|
||||
# cgroups version 1 on /sys/fs/cgroup.
|
||||
# "legacy" mounts cgroups version 1 on /sys/fs/cgroup
|
||||
# "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.
|
||||
#rc_cgroup_controllers=""
|
||||
|
||||
# This variable contains the cgroups version 2 settings for your services.
|
||||
# If this is set in this file, the settings will apply to all services.
|
||||
# If you want different settings for each service, place the settings in
|
||||
# /etc/conf.d/foo for service foo.
|
||||
# The format is to specify the setting and value followed by a newline.
|
||||
# Multiple settings and values can be specified.
|
||||
# For example, you would use this to set the maximum memory and maximum
|
||||
# number of pids for a service.
|
||||
#rc_cgroup_settings="
|
||||
#memory.max 10485760
|
||||
#pids.max max
|
||||
#"
|
||||
#
|
||||
# For more information about the adjustments that can be made with
|
||||
# cgroups version 2, see Documentation/cgroups-v2.txt in the linux kernel
|
||||
# source tree.
|
||||
#rc_cgroup_settings=""
|
||||
|
||||
# This switch controls whether or not cgroups version 1 controllers are
|
||||
# individually mounted under
|
||||
# /sys/fs/cgroup in hybrid or legacy mode.
|
||||
#rc_controller_cgroups="YES"
|
||||
|
||||
# The following settings allow you to set up values for the cgroup
|
||||
# The following settings allow you to set up values for the cgroups version 1
|
||||
# controllers for your services.
|
||||
# They can be set in this file;, however, if you do this, the settings
|
||||
# will apply to all of your services.
|
||||
@ -211,8 +241,9 @@ rc_tty_number=12
|
||||
# cpu.shares 512
|
||||
# "
|
||||
#
|
||||
#For more information about the adjustments that can be made with
|
||||
#cgroups, see Documentation/cgroups/* in the linux kernel source tree.
|
||||
# For more information about the adjustments that can be made with
|
||||
# cgroups version 1, see Documentation/cgroups-v1/* in the linux kernel
|
||||
# source tree.
|
||||
|
||||
# Set the blkio controller settings for this service.
|
||||
#rc_cgroup_blkio=""
|
||||
|
100
init.d/sysfs.in
100
init.d/sysfs.in
@ -107,20 +107,16 @@ mount_misc()
|
||||
fi
|
||||
}
|
||||
|
||||
mount_cgroups()
|
||||
cgroup1_base()
|
||||
{
|
||||
# set up kernel support for cgroups
|
||||
if [ -d /sys/fs/cgroup ] && ! mountinfo -q /sys/fs/cgroup; then
|
||||
if grep -qs cgroup /proc/filesystems; then
|
||||
ebegin "Mounting cgroup filesystem"
|
||||
local opts="${sysfs_opts},mode=755,size=${rc_cgroupsize:-10m}"
|
||||
mount -n -t tmpfs -o ${opts} cgroup_root /sys/fs/cgroup
|
||||
eend $?
|
||||
fi
|
||||
grep -qw cgroup /proc/filesystems || return 0
|
||||
if ! mountinfo -q /sys/fs/cgroup; then
|
||||
ebegin "Mounting cgroup filesystem"
|
||||
local opts="${sysfs_opts},mode=755,size=${rc_cgroupsize:-10m}"
|
||||
mount -n -t tmpfs -o "${opts}" cgroup_root /sys/fs/cgroup
|
||||
eend $?
|
||||
fi
|
||||
|
||||
mountinfo -q /sys/fs/cgroup || return 0
|
||||
|
||||
if ! mountinfo -q /sys/fs/cgroup/openrc; then
|
||||
local agent="@LIBEXECDIR@/sh/cgroup-release-agent.sh"
|
||||
mkdir /sys/fs/cgroup/openrc
|
||||
@ -129,17 +125,87 @@ mount_cgroups()
|
||||
openrc /sys/fs/cgroup/openrc
|
||||
printf 1 > /sys/fs/cgroup/openrc/notify_on_release
|
||||
fi
|
||||
return 0
|
||||
}
|
||||
|
||||
yesno ${rc_controller_cgroups:-YES} && [ -e /proc/cgroups ] || return 0
|
||||
while read name hier groups enabled rest; do
|
||||
cgroup1_controllers()
|
||||
{
|
||||
yesno "${rc_controller_cgroups:-YES}" && [ -e /proc/cgroups ] || return 0
|
||||
while read -r name _ _ enabled rest; do
|
||||
case "${enabled}" in
|
||||
1) mountinfo -q /sys/fs/cgroup/${name} && continue
|
||||
mkdir /sys/fs/cgroup/${name}
|
||||
mount -n -t cgroup -o ${sysfs_opts},${name} \
|
||||
${name} /sys/fs/cgroup/${name}
|
||||
1) mountinfo -q "/sys/fs/cgroup/${name}" && continue
|
||||
local x
|
||||
for x in $rc_cgroup_controllers; do
|
||||
[ "${name}" = "blkio" ] && [ "${x}" = "io" ] &&
|
||||
continue 2
|
||||
[ "${name}" = "${x}" ] &&
|
||||
continue 2
|
||||
done
|
||||
mkdir "/sys/fs/cgroup/${name}"
|
||||
mount -n -t cgroup -o "${sysfs_opts},${name}" \
|
||||
"${name}" "/sys/fs/cgroup/${name}"
|
||||
;;
|
||||
esac
|
||||
done < /proc/cgroups
|
||||
return 0
|
||||
}
|
||||
|
||||
cgroup2_controllers()
|
||||
{
|
||||
local active cgroup_path x y
|
||||
cgroup_path="$(cgroup2_find_path)"
|
||||
[ -z "${cgroup_path}" ] && return 0
|
||||
[ -e "${cgroup_path}/cgroup.controllers" ] &&
|
||||
read -r active < "${cgroup_path}/cgroup.controllers"
|
||||
for x in ${rc_cgroup_controllers}; do
|
||||
for y in ${active}; do
|
||||
[ "$x" = "$y" ] &&
|
||||
[ -e "${cgroup_path}/cgroup.subtree_control" ]&&
|
||||
echo "+${x}" > "${cgroup_path}/cgroup.subtree_control"
|
||||
done
|
||||
done
|
||||
return 0
|
||||
}
|
||||
|
||||
cgroups_hybrid()
|
||||
{
|
||||
grep -qw cgroup /proc/filesystems &&
|
||||
grep -qw cgroup2 /proc/filesystems ||
|
||||
return 0
|
||||
cgroup1_base
|
||||
mkdir /sys/fs/cgroup/unified
|
||||
mount -t cgroup2 none -o "${sysfs_opts},nsdelegate" /sys/fs/cgroup/unified
|
||||
cgroup2_controllers
|
||||
cgroup1_controllers
|
||||
return 0
|
||||
}
|
||||
|
||||
cgroups_legacy()
|
||||
{
|
||||
grep -qw cgroup /proc/filesystems || return 0
|
||||
cgroup1_base
|
||||
cgroup1_controllers
|
||||
return 0
|
||||
}
|
||||
|
||||
cgroups_unified()
|
||||
{
|
||||
grep -qw cgroup2 /proc/filesystems || return 0
|
||||
mount -t cgroup2 none -o "${sysfs_opts},nsdelegate" /sys/fs/cgroup
|
||||
return 0
|
||||
}
|
||||
|
||||
mount_cgroups()
|
||||
{
|
||||
# set up kernel support for cgroups
|
||||
if [ -d /sys/fs/cgroup ]; then
|
||||
case "${rc_cgroup_mode:-hybrid}" in
|
||||
hybrid) cgroups_hybrid ;;
|
||||
legacy) cgroups_legacy ;;
|
||||
unified) cgroups_unified ;;
|
||||
esac
|
||||
fi
|
||||
return 0
|
||||
}
|
||||
|
||||
restorecon_sys()
|
||||
|
@ -258,8 +258,7 @@ for _cmd; do
|
||||
[ -n "${rc_ulimit:-$RC_ULIMIT}" ] && \
|
||||
ulimit ${rc_ulimit:-$RC_ULIMIT}
|
||||
# Apply cgroups settings if defined
|
||||
if [ "$(command -v cgroup_add_service)" = \
|
||||
"cgroup_add_service" ]
|
||||
if [ "$(command -v cgroup_add_service)" = "cgroup_add_service" ]
|
||||
then
|
||||
if [ -d /sys/fs/cgroup -a ! -w /sys/fs/cgroup ]; then
|
||||
eerror "No permission to apply cgroup settings"
|
||||
@ -268,9 +267,11 @@ for _cmd; do
|
||||
cgroup_add_service /sys/fs/cgroup/openrc
|
||||
cgroup_add_service /sys/fs/cgroup/systemd/system
|
||||
fi
|
||||
[ "$(command -v cgroup_set_limits)" = \
|
||||
"cgroup_set_limits" ] && \
|
||||
cgroup_set_limits
|
||||
[ "$(command -v cgroup_set_limits)" = "cgroup_set_limits" ] &&
|
||||
cgroup_set_limits
|
||||
[ "$(command -v cgroup2_set_limits)" = "cgroup2_set_limits" ] &&
|
||||
[ "$_cmd" = start ] &&
|
||||
cgroup2_set_limits
|
||||
break
|
||||
fi
|
||||
done
|
||||
@ -368,6 +369,10 @@ while [ -n "$1" ]; do
|
||||
"$1" = "stop" ] && \
|
||||
yesno "${rc_cgroup_cleanup}" && \
|
||||
cgroup_cleanup
|
||||
if [ "$(command -v cgroup2_remove)" = "cgroup2_remove" ]; then
|
||||
[ "$1" = stop ] || [ -z "${command}" ] &&
|
||||
cgroup2_remove
|
||||
fi
|
||||
shift
|
||||
continue 2
|
||||
else
|
||||
|
@ -152,3 +152,54 @@ cgroup_cleanup()
|
||||
kill -9 $pids
|
||||
eend $(cgroup_running && echo 1 || echo 0) "fail to stop all processes"
|
||||
}
|
||||
|
||||
cgroup2_find_path()
|
||||
{
|
||||
case "${rc_cgroup_mode:-hybrid}" in
|
||||
hybrid) printf "/sys/fs/cgroup/unified" ;;
|
||||
unified) printf "/sys/fs/cgroup" ;;
|
||||
esac
|
||||
return 0
|
||||
}
|
||||
|
||||
cgroup2_remove()
|
||||
{
|
||||
local cgroup_path="$(cgroup2_find_path)" rc_cgroup_path
|
||||
[ -z "${cgroup_path}" ] && return 0
|
||||
rc_cgroup_path="${cgroup_path}/${RC_SVCNAME}"
|
||||
[ ! -d "${rc_cgroup_path}" ] ||
|
||||
[ ! -e "${rc_cgroup_path}"/cgroup.events ] &&
|
||||
return 0
|
||||
grep -qx "$$" "${rc_cgroup_path}/cgroup.procs" &&
|
||||
echo 0 > "${cgroup_path}/cgroup.procs"
|
||||
local key populated vvalue
|
||||
while read key value; do
|
||||
case "${key}" in
|
||||
populated) populated=${value} ;;
|
||||
*) ;;
|
||||
esac
|
||||
done < "${rc_cgroup_path}/cgroup.events"
|
||||
[ "${populated}" = 1 ] && return 0
|
||||
rmdir "${rc_cgroup_path}"
|
||||
return 0
|
||||
}
|
||||
|
||||
cgroup2_set_limits()
|
||||
{
|
||||
local cgroup_path="$(cgroup2_find_path)"
|
||||
[ -z "${cgroup_path}" ] && return 0
|
||||
rc_cgroup_path="${cgroup_path}/${RC_SVCNAME}"
|
||||
local OIFS="$IFS"
|
||||
IFS="
|
||||
"
|
||||
[ ! -d "${rc_cgroup_path}" ] && mkdir "${rc_cgroup_path}"
|
||||
echo 0 > "${rc_cgroup_path}/cgroup.procs"
|
||||
echo "${rc_cgroup_settings}" | while IFS="$OIFS" read key value; do
|
||||
[ -z "${key}" ] || [ -z "${value}" ] && continue
|
||||
[ ! -e "${rc_cgroup_path}/${key}" ] && continue
|
||||
veinfo "${RC_SVCNAME}: cgroups: ${key} ${value}"
|
||||
echo "${value}" > "${rc_cgroup_path}/${key}"
|
||||
done
|
||||
IFS="$OIFS"
|
||||
return 0
|
||||
}
|
||||
|
Loading…
Reference in New Issue
Block a user