28 lines
902 B
Plaintext
28 lines
902 B
Plaintext
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#! /bin/bash
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# estimate the power usage of the cpu using different
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# frequency scaling governors
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SLEEPTIME=1
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estimate_core_wattage() {
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sudo cpupower frequency-set -g "$1"
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sleep 5
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echo "Estimating wattage for $1"
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for i in `seq 1 60`; do
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local pkg0_1=$(cat /sys/class/powercap/intel-rapl:0/energy_uj)
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local core_1=$(cat /sys/class/powercap/intel-rapl:0:0/energy_uj)
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local igpu_1=$(cat /sys/class/powercap/intel-rapl:0:1/energy_uj)
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sleep $SLEEPTIME
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local pkg0_2=$(cat /sys/class/powercap/intel-rapl:0/energy_uj)
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local core_2=$(cat /sys/class/powercap/intel-rapl:0:0/energy_uj)
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local igpu_2=$(cat /sys/class/powercap/intel-rapl:0:1/energy_uj)
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echo $(((pkg0_2-pkg0_1)/SLEEPTIME)) $(((core_2-core_1)/SLEEPTIME)) $(((igpu_2-igpu_1)/SLEEPTIME))
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done
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}
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estimate_core_wattage performance
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estimate_core_wattage powersave
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estimate_core_wattage schedutil
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estimate_core_wattage conservative
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