2022-09-10 23:46:24 +02:00
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#!/usr/bin/env bash
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2022-09-11 00:04:19 +02:00
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#
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# script to change the power and cpu throttle governor
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# with new intel_pstates. use at your own risk
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# this also uses the 'old' cpufreq-set to ensure that
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# also the 'old' system is set the same way.
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2022-09-10 23:46:24 +02:00
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if [[ -z $1 ]]; then
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echo "error. no argument."
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echo "use [performance|default|power]"
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else
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if [[ $1 == "performance" ]]
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then
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for i in /sys/bus/cpu/devices/cpu*
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do
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CPU=`echo "${i: -1}"`
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sudo cpufreq-set -c $CPU -g performance
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done
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2022-09-11 00:04:19 +02:00
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2022-09-10 23:46:24 +02:00
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sudo x86_energy_perf_policy --turbo-enable 1
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sudo x86_energy_perf_policy -a performance
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2022-09-11 00:04:19 +02:00
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2022-09-10 23:46:24 +02:00
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watch cat /sys/devices/system/cpu/cpu[0-9]*/cpufreq/scaling_cur_freq
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elif [[ $1 == "default" ]]
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then
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for i in /sys/bus/cpu/devices/cpu*
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do
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CPU=`echo "${i: -1}"`
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sudo cpufreq-set -c $CPU -g powersave
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done
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2022-09-11 00:04:19 +02:00
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2022-09-10 23:46:24 +02:00
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sudo x86_energy_perf_policy --turbo-enable 0
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sudo x86_energy_perf_policy -a default
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2022-09-11 00:04:19 +02:00
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2022-09-10 23:46:24 +02:00
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watch cat /sys/devices/system/cpu/cpu[0-9]*/cpufreq/scaling_cur_freq
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elif [[ $1 == "power" ]]
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then
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for i in /sys/bus/cpu/devices/cpu*
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do
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CPU=`echo "${i: -1}"`
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sudo cpufreq-set -c $CPU -g powersave
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done
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sudo x86_energy_perf_policy --turbo-enable 0
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sudo x86_energy_perf_policy -a power
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2022-09-11 00:04:19 +02:00
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2022-09-10 23:46:24 +02:00
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watch cat /sys/devices/system/cpu/cpu[0-9]*/cpufreq/scaling_cur_freq
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else
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echo "error. no match."
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echo "use [performance|default|power]"
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fi
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fi
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