mirror of
https://github.com/AuxXxilium/arc-addons.git
synced 2024-11-23 21:50:52 +07:00
119 lines
4.1 KiB
Bash
Executable File
119 lines
4.1 KiB
Bash
Executable File
#!/usr/bin/env bash
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# Make things safer
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set -euo pipefail
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# Ensure root user
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#if [ "$EUID" -ne 0 ]; then
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# echo "Please run as root"
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# exit
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#fi
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# Ensure acpi-cpufreq kernel module is loaded
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#if ! modprobe acpi-cpufreq; then
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# pushd /lib/modules
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# insmod acpi-cpufreq.ko
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# popd
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#fi
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# Frequency scaling function
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function main {
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if [ $(cat /proc/cpuinfo | grep Intel | wc -l) -gt 0 ]; then
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CPU="INTEL"
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else
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CPU="AMD"
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fi
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# Get cpu cores count minus 1, to allow maping from 0
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cpucorecount=$(cat /proc/cpuinfo | grep processor | wc -l)
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cpucorecount=$((cpucorecount - 1))
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governor=$(cat /sys/devices/system/cpu/cpu0/cpufreq/scaling_governor)
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# Rereive allowed cpu freq on the system
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IFS=" " read -r -a freqlist <<<"$(cat /sys/devices/system/cpu/cpu0/cpufreq/scaling_available_frequencies)"
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# Set min and max frequencies, this user overidable
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scalingminfreq=${scalingminfreq:=${freqlist[-1]}}
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scalingmaxfreq=${scalingmaxfreq:=${freqlist[0]}}
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# This will set user defined min and max frequencies
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if [ "$governor" = "userspace" ]; then
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for i in $(seq 0 "${cpucorecount}"); do
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echo "$scalingminfreq" >/sys/devices/system/cpu/cpu"${i}"/cpufreq/scaling_min_freq
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echo "$scalingmaxfreq" >/sys/devices/system/cpu/cpu"${i}"/cpufreq/scaling_max_freq
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done
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fi
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if [ "$CPU" = "INTEL" ]; then
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# Get current and max cpu temps for Intel
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currtemp=$(cat /sys/bus/platform/devices/coretemp.0/hwmon/hwmon0/temp1_input)
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maxtemp=$(cat /sys/bus/platform/devices/coretemp.0/hwmon/hwmon0/temp1_max)
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# Frequencies steps definitions (only for Intel)
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coolfreq=${freqlist[3]}
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fi
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# Frequencies steps definitions
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minfreq=${freqlist[-1]}
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midfreq=${freqlist[$((${#freqlist[*]} / 2))]}
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maxfreq=${freqlist[0]}
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# Get average load over 5m in base10 integer format
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loadavg=$(awk -F . '{print $1 substr($2,1,2)}' </proc/loadavg)
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# Set load steps to trigger frequencies scaling, this user overidable
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lowload=$(grep cores /proc/cpuinfo | sort -u | awk '{ print $4 * 0.3 * 100 }')
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midload=$(grep cores /proc/cpuinfo | sort -u | awk '{ print $4 * 0.6 * 100 }')
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if [ "$CPU" = "INTEL" ]; then
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if [ "$currtemp" -lt "$maxtemp" ]; then
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for i in $(seq 0 "${cpucorecount}"); do
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if [ "$loadavg" -le $((10#$lowload)) ]; then
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echo "$minfreq" >/sys/devices/system/cpu/cpu"${i}"/cpufreq/scaling_setspeed
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elif [ "$loadavg" -ge $((10#$lowload)) ] && [ "$loadavg" -le $((10#$midload)) ]; then
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echo "$midfreq" >/sys/devices/system/cpu/cpu"${i}"/cpufreq/scaling_setspeed
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elif [ "$loadavg" -ge $((10#$midload)) ]; then
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echo "$maxfreq" >/sys/devices/system/cpu/cpu"${i}"/cpufreq/scaling_setspeed
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fi
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done
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else
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for i in $(seq 0 "${cpucorecount}"); do
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echo "$coolfreq" >/sys/devices/system/cpu/cpu"${i}"/cpufreq/scaling_setspeed
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done
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sleep 30
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fi
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elif [ "$CPU" = "AMD" ]; then
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for i in $(seq 0 "${cpucorecount}"); do
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if [ "$loadavg" -le $((10#$lowload)) ]; then
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echo "$minfreq" >/sys/devices/system/cpu/cpu"${i}"/cpufreq/scaling_setspeed
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elif [ "$loadavg" -ge $((10#$lowload)) ] && [ "$loadavg" -le $((10#$midload)) ]; then
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echo "$midfreq" >/sys/devices/system/cpu/cpu"${i}"/cpufreq/scaling_setspeed
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elif [ "$loadavg" -ge $((10#$midload)) ]; then
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echo "$maxfreq" >/sys/devices/system/cpu/cpu"${i}"/cpufreq/scaling_setspeed
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fi
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done
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fi
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}
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# Deamonize the main function...
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while true; do
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if [ -f /usr/sbin/stopscale ]; then
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exit 0
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fi
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# Get cpu cores count minus 1, to allow maping from 0
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cpucorecount=$(cat /proc/cpuinfo | grep processor | wc -l)
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cpucorecount=$((cpucorecount - 1))
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governor=$(cat /sys/devices/system/cpu/cpu0/cpufreq/scaling_governor)
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# Set correct cpufreq governor to allow user defined frequency scaling
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if [ "$governor" != "userspace" ]; then
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for i in $(seq 0 "${cpucorecount}"); do
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echo "userspace" >/sys/devices/system/cpu/cpu"${i}"/cpufreq/scaling_governor
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done
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fi
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governor=$(cat /sys/devices/system/cpu/cpu0/cpufreq/scaling_governor)
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if [ "$governor" = "userspace" ]; then
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main
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fi
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sleep 0.5
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done |