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/lmbench3 ( echo 44 echo 1 echo 10240 echo development echo no echo no echo no echo no echo no echo no echo no echo yes echo no echo no echo no echo no echo no echo no echo no echo no echo no echo yes echo echo echo [ 44 -eq 1 ] && echo echo no ) | make results