X-Git-Url: https://git.rrq.au/?a=blobdiff_plain;f=functions;h=bc65448082cb4c697df37d2d6f8e82f2bc5a5a4f;hb=a08b12454ddf4e2a9f3dce2451daf0c6607e1b30;hp=2c819fae3454b4ab96854aa508cb2c16a8657511;hpb=7f766756c6d328a4a8d57a274a215f67376af68d;p=rrq%2Foverlay-boot.git diff --git a/functions b/functions index 2c819fa..bc65448 100644 --- a/functions +++ b/functions @@ -3,6 +3,8 @@ # Rerun with sudo if needed [ $(id -u) = 0 ] || exec sudo $0 $@ +export ACTION="$(basename $0)" + # Function to write a message and exit with error code die() { echo "$*" >&2 @@ -31,7 +33,7 @@ subhost_config() { config UPPER "$BASE/root" config WORK "$BASE/work" config LOWER "/" - config START "!networking ssh" + config START "networking ssh" config PREMOUNT "$PROGRAMDIR/overlay-premount" config POSTMOUNT "$PROGRAMDIR/overlay-postmount" config INIT "$PROGRAMDIR/overlay-init" @@ -164,3 +166,14 @@ is_live() { list_running() { pgrep -a overlay-boot | awk '{print $4}' } + +# Start cgroup v2 cpuset accounting if enabled. +# Needs manual enabling, with: +# mount -t cgroup2 cgroup2 /sys/fs/cgroup +setup_cgroup2_accounting() { + local NAME="$1" ME="$2" + local ACCDIR="$(awk '$3 == "cgroup2" {print $2; exit}' /proc/mounts)" + [ -z "$ACCDIR" ] && return 0 + mkdir -p "$ACCDIR/$NAME" + echo "$ME" > $ACCDIR/$NAME/cgroup.procs +}