2019-01-04 04:24:49 +08:00
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#!/usr/bin/env bash
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2019-04-06 06:20:21 +08:00
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# sudo /usr/bin/cpupower frequency-set -g performance
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#######
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2019-01-04 04:24:49 +08:00
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# taken from http://hbfs.wordpress.com/2013/06/18/fast-path-finding-part-ii/
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# might require sudo apt-get install cpufrequtils
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2020-11-04 04:48:09 +08:00
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# invoke with performance or ondemand
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2019-01-04 04:24:49 +08:00
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# type cpufreq-info to check results, you can also verify with cat /proc/cpuinfo
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# enumerate found CPUs
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cpus=$( grep processor /proc/cpuinfo | cut -d: -f 2 )
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if [ "$1" = "ondemand" ]; then
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echo "setting up ondemand"
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policy="ondemand"
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elif [ "$1" = "performance" ]; then
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echo "setting up for performance"
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policy="performance"
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elif [ "$1" = "list" ]; then
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cpufreq-info
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exit 0
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else
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echo "usage: powerpolicy.sh ondemand | performance list"
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exit -1
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fi
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2020-11-04 04:48:09 +08:00
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echo "chosen policy " $1
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2019-01-04 04:24:49 +08:00
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# set governor for each CPU
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#
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for cpu in ${cpus[@]}
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do
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cpufreq-set -c $cpu -g $1
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done
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