#!/bin/bash
{
#////////////////////////////////////
# DietPi CPU Info Script
#
#////////////////////////////////////
# Created by Daniel Knight / daniel.knight@dietpi.com / dietpi.com
#
#////////////////////////////////////
#
# Info:
# - Prints CPU information
#
# Usage:
# - /DietPi/dietpi/dietpi-cpuinfo Obtain stats and print
# - /DietPi/dietpi/dietpi-cpuinfo 2 Generates file of available, ordered scaling freq's "$FP_CPU_SCALINGAVAILABLE_FREQ"
#////////////////////////////////////
#Grab Input
INPUT=0
if [[ $1 =~ ^-?[0-9]+$ ]]; then
INPUT=$1
fi
#Import DietPi-Globals ---------------------------------------------------------------
. /DietPi/dietpi/func/dietpi-globals
G_CHECK_ROOT_USER
export G_PROGRAM_NAME='DietPi-CPU_info'
#Import DietPi-Globals ---------------------------------------------------------------
#Exit path for VM
if (( $G_HW_MODEL == 20 )); then
echo -e "\nNotice: CPU information is not available for VM.\n"
exit
fi
#Funcs
CPU_GOV_CURRENT='Unknown'
aCPU_CURRENT_FREQ=0
aCPU_MIN_FREQ=0
aCPU_MAX_FREQ=0
aCPU_SCALINGAVAILABLE_FREQ=0
CPU_SCALINGSUPPORTED=1
FP_CPU_SCALINGAVAILABLE_FREQ='/tmp/dietpi-available_cpu_freqs'
Obtain_Cpu_Freq(){
for ((i=0; i<$(nproc --all); i++))
do
if [ -f /sys/devices/system/cpu/cpu$i/cpufreq/scaling_cur_freq ]; then
aCPU_CURRENT_FREQ[$i]=$(cat /sys/devices/system/cpu/cpu$i/cpufreq/scaling_cur_freq)
fi
if [ -f /sys/devices/system/cpu/cpu$i/cpufreq/scaling_min_freq ]; then
aCPU_MIN_FREQ[$i]=$(cat /sys/devices/system/cpu/cpu$i/cpufreq/scaling_min_freq)
fi
if [ -f /sys/devices/system/cpu/cpu$i/cpufreq/scaling_max_freq ]; then
aCPU_MAX_FREQ[$i]=$(cat /sys/devices/system/cpu/cpu$i/cpufreq/scaling_max_freq)
fi
done
#Obtain available scaling freqs:
# - Standard
if [ -f /sys/devices/system/cpu/cpu0/cpufreq/scaling_available_frequencies ]; then
for ((i=0; i<$(nproc --all); i++))
do
aCPU_SCALINGAVAILABLE_FREQ[$i]=$(cat /sys/devices/system/cpu/cpu$i/cpufreq/scaling_available_frequencies | tr ' ' '\n' | sed -e 's/[^0-9]//g' | sed '/^$/d')
done
# - XU4 3.x
elif [ -f /sys/devices/system/cpu/cpufreq/mp-cpufreq/cpu_freq_table ]; then
aCPU_SCALINGAVAILABLE_FREQ[0]=$(cat /sys/devices/system/cpu/cpufreq/mp-cpufreq/cpu_freq_table | tr ' ' '\n' | sed -e 's/[^0-9]//g' | sed '/^$/d')
else
CPU_SCALINGSUPPORTED=0
fi
}
CPU_TEMP_CURRENT='Unknown'
CPU_TEMP_PRINT='Unknown'
Obtain_Cpu_Temp(){
CPU_TEMP_CURRENT=$(G_OBTAIN_CPU_TEMP)
local cpu_temp_current_f='Unknown'
if [[ $CPU_TEMP_CURRENT =~ ^-?[0-9]+$ ]]; then
cpu_temp_current_f=$(( ( $CPU_TEMP_CURRENT * 9 / 5 ) + 32 ))
if (( $CPU_TEMP_CURRENT >= 70 )); then
CPU_TEMP_PRINT="\e[91mWarning: $CPU_TEMP_CURRENT'c : $cpu_temp_current_f'f | Reducing the life of your device.\e[0m"
elif (( $CPU_TEMP_CURRENT >= 60 )); then
CPU_TEMP_PRINT="\e[38;5;202m$CPU_TEMP_CURRENT'c : $cpu_temp_current_f'f\e[90m | Running hot, not recommended.\e[0m"
elif (( $CPU_TEMP_CURRENT >= 50 )); then
CPU_TEMP_PRINT="\e[93m$CPU_TEMP_CURRENT'c : $cpu_temp_current_f'f\e[0m \e[90m | Running warm, but safe.\e[0m"
elif (( $CPU_TEMP_CURRENT >= 40 )); then
CPU_TEMP_PRINT="\e[92m$CPU_TEMP_CURRENT'c : $cpu_temp_current_f'f\e[0m\e[90m | Optimal temperature.\e[0m"
elif (( $CPU_TEMP_CURRENT >= 30 )); then
CPU_TEMP_PRINT="\e[96m$CPU_TEMP_CURRENT'c : $cpu_temp_current_f'f\e[0m\e[90m | Cool runnings.\e[0m"
else
CPU_TEMP_PRINT="\e[96m$CPU_TEMP_CURRENT'c : $cpu_temp_current_f'f \e[0m \e[90m| Who put me in the freezer!\e[0m"
fi
else
CPU_TEMP_PRINT="\e[91mKERNELERR: $CPU_TEMP_CURRENT'c\e[0m"
fi
}
Obtain_Cpu_Gov(){
if [ -f /sys/devices/system/cpu/cpu0/cpufreq/scaling_governor ]; then
CPU_GOV_CURRENT=$(cat /sys/devices/system/cpu/cpu0/cpufreq/scaling_governor)
fi
}
Print_Stats(){
echo -e ""
echo -e " \e[38;5;154m─────────────────────────────────────────────────────\e[0m\n \e[1mDietPi CPU Info\e[0m\n\e[90m Use dietpi-config to change CPU / performance options\e[0m\n \e[38;5;154m─────────────────────────────────────────────────────\e[0m"
#Processor Type
echo -e " Architecture \e[90m|\e[0m $(uname -m)"
#Current Temp
echo -e " Temp \e[90m|\e[0m $CPU_TEMP_PRINT"
#Current Gov
echo -e " Governor \e[90m|\e[0m $CPU_GOV_CURRENT"
if [ "$CPU_GOV_CURRENT" = "ondemand" ] ||
[ "$CPU_GOV_CURRENT" = "conservative" ]; then
echo -e " Throttle up \e[90m|\e[0m $(cat /DietPi/dietpi.txt | grep -m1 '^CONFIG_CPU_USAGE_THROTTLE_UP=' | sed 's/.*=//')% CPU usage"
fi
#Current Frequency
echo -e ""
echo -e " \e[90m Current Freq Min Freq Max Freq\e[0m"
for ((i=0; i<${#aCPU_CURRENT_FREQ[@]}; i++))
do
echo -e " \e[90mCPU$i\e[0m \e[90m|\e[0m $(( ${aCPU_CURRENT_FREQ[$i]} / 1000 )) MHz \e[90m$(( ${aCPU_MIN_FREQ[$i]} / 1000 )) MHz $(( ${aCPU_MAX_FREQ[$i]} / 1000 )) MHz\e[0m"
done
echo -e ""
#CPU scaling may bump up with script
G_DIETPI-NOTIFY 2 'CPU current frequency, may be affected by this script, due to the processing required to run it.\n'
}
#/////////////////////////////////////////////////////////////////////////////////////
# Main Loop
#/////////////////////////////////////////////////////////////////////////////////////
#-----------------------------------------------------------------------------------
#Return mode
if (( $INPUT == 2 )); then
Obtain_Cpu_Freq
# Export to file
rm "$FP_CPU_SCALINGAVAILABLE_FREQ" &> /dev/null
if (( $CPU_SCALINGSUPPORTED )); then
for ((i=0; i<${#aCPU_SCALINGAVAILABLE_FREQ[@]}; i++))
do
echo -e "${aCPU_SCALINGAVAILABLE_FREQ[$i]}" >> "$FP_CPU_SCALINGAVAILABLE_FREQ"
done
# Order, remove dupes
sort -u -n "$FP_CPU_SCALINGAVAILABLE_FREQ" -o "$FP_CPU_SCALINGAVAILABLE_FREQ"
fi
#Print all stats
else
Obtain_Cpu_Freq
# Obtain_Cpu_Usage
Obtain_Cpu_Temp
Obtain_Cpu_Gov
Print_Stats
fi
#-----------------------------------------------------------------------------------
#Delete[] array
unset aCPU_CURRENT_FREQ
unset aCPU_MIN_FREQ
unset aCPU_MAX_FREQ
unset aCPU_SCALINGAVAILABLE_FREQ
unset afp_temperature
#-----------------------------------------------------------------------------------
exit
#-----------------------------------------------------------------------------------
}