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/stream
export OMP_NUM_THREADS=56
gcc -O stream.c -o stream -DSTREAM_ARRAY_SIZE=10000000 -DNTIMES=100 -fopenmp
./stream
./stream
./stream
./stream
./stream
./stream
./stream
./stream
./stream
./stream