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

cd /lkp/benchmarks/vm-scalability
 mount -t tmpfs -o size=100% vm-scalability-tmp /tmp/vm-scalability-tmp
 truncate -s 135057952768 /tmp/vm-scalability-tmp/vm-scalability.img
 mkfs.xfs -q /tmp/vm-scalability-tmp/vm-scalability.img
 mount -o loop /tmp/vm-scalability-tmp/vm-scalability.img /tmp/vm-scalability-tmp/vm-scalability
 ./case-shm-pread-rand
 truncate /tmp/vm-scalability-tmp/sparse-shm-pread-rand -s 67528974336
 ./usemem --runtime 300 -n 88 -f /tmp/vm-scalability-tmp/sparse-shm-pread-rand --readonly --random 33764487168
 umount /tmp/vm-scalability-tmp/vm-scalability
 rm /tmp/vm-scalability-tmp/vm-scalability.img
 umount /tmp/vm-scalability-tmp