test-rk3568-thermals.sh

#!/bin/bash

InstallLocation=/usr/local/src
[ -x "${InstallLocation}"/mhz/mhz ] || (echo "You need to run sbc-bench at least once to meet prerequisits" ; exit 1)
TempFile="$(mktemp /tmp/${0##*/}.XXXXXX)"

ReportClockSpeedandTemperature() {
	MeasuredSpeed=$(( $(taskset -c 1 "${InstallLocation}"/mhz/mhz 3 100000 | awk -F" cpu_MHz=" '{s+=$2} END {printf "%.0f", s}') / 3 ))
	CPUTemp=$(awk '{printf ("%0.1f",$1/1000); }' </sys/devices/virtual/thermal/thermal_zone0/temp)
	if [ -s "${TempFile}" ]; then
		MIPS="$(awk -F" " '/^Tot:/ {print $4}' <${TempFile} | tail -n1 | tr '\n' ', ' | sed 's/,$//') 7-ZIP MIPS"
	else
		MIPS="(now starting the benchmark)"
	fi
	echo -e "${CPUTemp}°C\t${MeasuredSpeed} MHz\t${MIPS}"
} # ReportClockSpeedandTemperature

while true ; do
	ReportClockSpeedandTemperature
	7zr b >>"${TempFile}"
done