86 lines
1.8 KiB
Bash
86 lines
1.8 KiB
Bash
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#!/bin/bash
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## Files and Data
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PREV_TOTAL=0
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PREV_IDLE=0
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cpuFile="/tmp/.cpu_usage"
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## Get CPU usage
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get_cpu() {
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if [[ -f "${cpuFile}" ]]; then
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fileCont=$(cat "${cpuFile}")
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PREV_TOTAL=$(echo "${fileCont}" | head -n 1)
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PREV_IDLE=$(echo "${fileCont}" | tail -n 1)
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fi
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CPU=(`cat /proc/stat | grep '^cpu '`) # Get the total CPU statistics.
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unset CPU[0] # Discard the "cpu" prefix.
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IDLE=${CPU[4]} # Get the idle CPU time.
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# Calculate the total CPU time.
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TOTAL=0
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for VALUE in "${CPU[@]:0:4}"; do
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let "TOTAL=$TOTAL+$VALUE"
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done
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if [[ "${PREV_TOTAL}" != "" ]] && [[ "${PREV_IDLE}" != "" ]]; then
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# Calculate the CPU usage since we last checked.
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let "DIFF_IDLE=$IDLE-$PREV_IDLE"
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let "DIFF_TOTAL=$TOTAL-$PREV_TOTAL"
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let "DIFF_USAGE=(1000*($DIFF_TOTAL-$DIFF_IDLE)/$DIFF_TOTAL+5)/10"
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echo "${DIFF_USAGE}"
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else
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echo "?"
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fi
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# Remember the total and idle CPU times for the next check.
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echo "${TOTAL}" > "${cpuFile}"
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echo "${IDLE}" >> "${cpuFile}"
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}
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## Get Used memory
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get_mem() {
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printf "%.0f\n" $(free -m | grep Mem | awk '{print ($3/$2)*100}')
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}
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## Get Brightness
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get_blight() {
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CARD=`ls /sys/class/backlight | head -n 1`
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if [[ "$CARD" == *"intel_"* ]]; then
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BNESS=`xbacklight -get`
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LIGHT=${BNESS%.*}
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else
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BNESS=`blight -d $CARD get brightness`
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PERC="$(($BNESS*100/255))"
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LIGHT=${PERC%.*}
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fi
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echo "$LIGHT"
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}
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## Get Battery
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get_battery() {
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BAT=`ls /sys/class/power_supply | grep BAT | head -n 1`
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cat /sys/class/power_supply/${BAT}/capacity
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}
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## Get Disk Usage
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get_disk() {
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df -h / | awk '{print $5}' | tail -n1 | sed 's/%//g'
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}
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## Execute accordingly
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if [[ "$1" == "--cpu" ]]; then
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get_cpu
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elif [[ "$1" == "--mem" ]]; then
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get_mem
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elif [[ "$1" == "--blight" ]]; then
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get_blight
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elif [[ "$1" == "--bat" ]]; then
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get_battery
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elif [[ "$1" == "--disk" ]]; then
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get_disk
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fi
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