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Measure Raspberry Pi CPU / GPU / Core / SD clock speeds and check whether you are undervolted
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#!/bin/bash | |
# This bash script outputs the status of your Pi and checks whether you are being throttled for undervoltage and gives you your temperature | |
# Article and discussion at https://jamesachambers.com/measure-raspberry-pi-undervoltage-true-clock-speeds/ | |
# Author James A Chambers 6-6-17 | |
# Output current configuration | |
vcgencmd get_config int | egrep "(arm|core|gpu|sdram)_freq|over_volt" | |
# Measure clock speeds | |
for src in arm core h264 isp v3d; do echo -e "$src:\t$(vcgencmd measure_clock $src)"; done | |
# Measure Volts | |
for id in core sdram_c sdram_i sdram_p ; do echo -e "$id:\t$(vcgencmd measure_volts $id)"; done | |
# Measure Temperature | |
vcgencmd measure_temp | |
# See if we are being throttled | |
throttled="$(vcgencmd get_throttled)" | |
echo -e "$throttled" | |
if [[ $throttled != "throttled=0x0" ]]; then | |
echo "WARNING: You are being throttled. This is likely because you are undervoltage. Please connect your PI to a better power supply!" | |
fi |
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