### Raspi Check CPU TEMP AND SPEED

posted 30 Apr 2015, 03:30 by Lê Duy Nhân   [ updated 30 Apr 2015, 03:33 ]
 ```#!/bin/bash # cpustatus # # Prints the current state of the CPU like temperature, voltage and speed. # The temperature is reported in degrees Celsius (C) while # the CPU speed is calculated in megahertz (MHz).   function convert_to_MHz { let value=\$1/1000 echo "\$value" }   function calculate_overvolts { # We can safely ignore the integer # part of the decimal argument # since it's not realistic to run the Pi # at voltages higher than 1.99 V let overvolts=\${1#*.}-20 echo "\$overvolts" }   temp=\$(vcgencmd measure_temp) temp=\${temp:5:4}   volts=\$(vcgencmd measure_volts) volts=\${volts:5:4}   if [ \$volts != "1.20" ]; then overvolts=\$(calculate_overvolts \$volts) fi   minFreq=\$(cat /sys/devices/system/cpu/cpu0/cpufreq/scaling_min_freq) minFreq=\$(convert_to_MHz \$minFreq)   maxFreq=\$(cat /sys/devices/system/cpu/cpu0/cpufreq/scaling_max_freq) maxFreq=\$(convert_to_MHz \$maxFreq)   freq=\$(cat /sys/devices/system/cpu/cpu0/cpufreq/scaling_cur_freq) freq=\$(convert_to_MHz \$freq)   governor=\$(cat /sys/devices/system/cpu/cpu0/cpufreq/scaling_governor)   echo "Temperature: \$temp C" echo -n "Voltage: \$volts V" [ \$overvolts ] && echo " (+0.\$overvolts overvolt)" || echo -e "\r" echo "Min speed: \$minFreq MHz" echo "Max speed: \$maxFreq MHz" echo "Current speed: \$freq MHz" echo "Governor: \$governor"   exit 0```