Linux performance/powersafe switching scripts

performance_powersafe.md

Scripts

cat performance.sh 
#! /bin/bash
cat /sys/devices/system/cpu/cpu*/cpufreq/scaling_governor

for file in /sys/devices/system/cpu/cpu*/cpufreq/scaling_governor; do echo "performance" > $file; done

cat /sys/devices/system/cpu/cpu*/cpufreq/scaling_governor

cat powersafe.sh 
#! /bin/bash
cat /sys/devices/system/cpu/cpu*/cpufreq/scaling_governor

for file in /sys/devices/system/cpu/cpu*/cpufreq/scaling_governor; do echo "powersave" > $file; done

cat /sys/devices/system/cpu/cpu*/cpufreq/scaling_governor

To use:

• chmod +x scriptname (once)
• use sudo for calling the script

Usage

# put into performance mode
sudo ./performance.sh
# put into powersafe mode
sudo ./powersafe.sh