"modprobe" "-r" "brd"
 "modprobe" "brd" "rd_nr=4" "rd_size=12582912"
 "dmsetup" "remove_all"
 "wipefs" "-a" "--force" "/dev/ram0"
 "wipefs" "-a" "--force" "/dev/ram1"
 "wipefs" "-a" "--force" "/dev/ram2"
 "wipefs" "-a" "--force" "/dev/ram3"
 "mdadm" "-q" "--create" "/dev/md0" "--chunk=256" "--level=raid0" "--raid-devices=4" "--force" "--assume-clean" "/dev/ram0" "/dev/ram1" "/dev/ram2" "/dev/ram3"
wipefs -a --force /dev/md0
mkfs -t f2fs /dev/md0
mkdir -p /fs/md0
mount -t f2fs /dev/md0 /fs/md0

for cpu_dir in /sys/devices/system/cpu/cpu[0-9]*
do
	online_file="$cpu_dir"/online
	[ -f "$online_file" ] && [ "$(cat "$online_file")" -eq 0 ] && continue

	file="$cpu_dir"/cpufreq/scaling_governor
	[ -f "$file" ] && echo "performance" > "$file"
done

echo "500 32000 128 512" > /proc/sys/kernel/sem
cat > workfile <<EOF
FILESIZE: 1M
POOLSIZE: 10M
10 sync_disk_rw
EOF
echo "/fs/md0" > config

	(
		echo lkp-ivb-2ep1
		echo sync_disk_rw

		echo 1
		echo 100
		echo 2
		echo 100
		echo 1
	) | ./multitask -t &