dotfiles/dot_bin/executable_estimate-destkop...

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2021-02-15 20:53:16 -05:00
#! /bin/bash
# estimate the power usage of the cpu using different
# frequency scaling governors
SLEEPTIME=1
estimate_core_wattage() {
sudo cpupower frequency-set -g "$1"
sleep 5
echo "Estimating wattage for $1"
for i in `seq 1 60`; do
local pkg0_1=$(cat /sys/class/powercap/intel-rapl:0/energy_uj)
local core_1=$(cat /sys/class/powercap/intel-rapl:0:0/energy_uj)
local igpu_1=$(cat /sys/class/powercap/intel-rapl:0:1/energy_uj)
sleep $SLEEPTIME
local pkg0_2=$(cat /sys/class/powercap/intel-rapl:0/energy_uj)
local core_2=$(cat /sys/class/powercap/intel-rapl:0:0/energy_uj)
local igpu_2=$(cat /sys/class/powercap/intel-rapl:0:1/energy_uj)
echo $(((pkg0_2-pkg0_1)/SLEEPTIME)) $(((core_2-core_1)/SLEEPTIME)) $(((igpu_2-igpu_1)/SLEEPTIME))
done
}
estimate_core_wattage performance
estimate_core_wattage powersave
estimate_core_wattage schedutil
estimate_core_wattage conservative