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50 lines
1.8 KiB
50 lines
1.8 KiB
#!/bin/bash
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# Based on https://github.com/bamarni/pi64/issues/4#issuecomment-292707581
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# sysbench manual: http://imysql.com/wp-content/uploads/2014/10/sysbench-manual.pdf
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# check if bechmarking tool is installed
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sysbenchInstalled=$(sysbench --version 2>/dev/null | grep -c 'sysbench 0.')
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if [ ${sysbenchInstalled} -eq 0 ];then
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sudo apt install -y sysbench
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fi
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# do debug outputs to the STDERR - so that the STDOUT is just the results in the end
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echo "RaspiBlitz powertest v0.1" >&2
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echo "Starting sysbench to run for 60 seconds (--max-time=60 --cpu-max-prime=10000)" >&2
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# starting bench mark
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sysbench --max-time=60 --test=cpu --cpu-max-prime=10000 --num-threads=4 run 1>/dev/null 2>&1 &
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# keep monitoring in the background
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Maxfreq=$(( $(awk '{printf ("%0.0f",$1/1000); }' </sys/devices/system/cpu/cpu0/cpufreq/scaling_max_freq) -15 ))
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for (( n=0; n<15; ++n )); do
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# make measurements
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Temp=$(sudo vcgencmd measure_temp | cut -f2 -d=)
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RealClockspeed=$(sudo vcgencmd measure_clock arm | awk -F"=" '{printf ("%0.0f",$2/1000000); }' )
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SysFSClockspeed=$(awk '{printf ("%0.0f",$1/1000); }' </sys/devices/system/cpu/cpu0/cpufreq/scaling_cur_freq)
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CoreVoltage=$(sudo vcgencmd measure_volts | cut -f2 -d= | sed 's/000//')
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# debug output
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if [ ${RealClockspeed} -ge ${Maxfreq} ]; then
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echo -e "${Temp}$(printf "%5s" ${SysFSClockspeed}) MHz ${CoreVoltage}" >&2
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else
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echo -e "${Temp}$(printf "%5s" ${RealClockspeed})/$(printf "%4s" ${SysFSClockspeed}) MHz ${CoreVoltage}" >&2
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fi
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# analyse Voltage
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voltFloat=$(echo "${CoreVoltage/V/}*10000" | bc)
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voltInt=${voltFloat/.*}
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echo "V -> ${voltFloat}/${voltInt}"
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if [ ${voltInt} -lt 12500 ]; then
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echo "Voltage too low"
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else
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echo "Voltage OK"
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fi
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# analyse Temp
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echo "T -> ${Temp/\'C/}"
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sleep 5
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done
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