9ac2605912
The platform profile sets power settings for the EC/system but not the CPU.
30 lines
1.1 KiB
Bash
30 lines
1.1 KiB
Bash
#!/usr/bin/env bash
|
|
#
|
|
# Tell hardware p-states whether to maximize CPU performance (100) or
|
|
# energy efficiency (0).
|
|
set -euo pipefail
|
|
IFS=$'\n\t'
|
|
DIR="$( cd "$( dirname "${BASH_SOURCE[0]}" )" && pwd )"
|
|
|
|
perc=$1
|
|
|
|
if [ "$perc" -gt 80 ]; then
|
|
echo performance | tee /sys/firmware/acpi/platform_profile
|
|
elif [ "$perc" -ge 20 ]; then
|
|
echo balanced | tee /sys/firmware/acpi/platform_profile
|
|
else
|
|
echo low-power | tee /sys/firmware/acpi/platform_profile
|
|
fi
|
|
|
|
if [ "$perc" -ge 80 ]; then
|
|
echo "performance" | tee /sys/devices/system/cpu/cpufreq/policy*/energy_performance_preference
|
|
elif [ "$perc" -ge 60 ]; then
|
|
echo "balance_performance" | tee /sys/devices/system/cpu/cpufreq/policy*/energy_performance_preference
|
|
elif [ "$perc" -ge 40 ]; then
|
|
echo "default" | tee /sys/devices/system/cpu/cpufreq/policy*/energy_performance_preference
|
|
elif [ "$perc" -ge 20 ]; then
|
|
echo "balance_power" | tee /sys/devices/system/cpu/cpufreq/policy*/energy_performance_preference
|
|
else
|
|
echo "power" | tee /sys/devices/system/cpu/cpufreq/policy*/energy_performance_preference
|
|
fi
|