linux shell CPU信息獲取 負載 佔用率 當前溫度 溫度警告

CPU信息獲取

#時間
time=`date "+%Y-%m-%d__%H:%M:%S"`
#CPU負載
fz=`cat /proc/loadavg | cut -d ' ' -f 1-3`
#CPU溫度
wd=`cat /sys/class/thermal/thermal_zone0/temp`
wd=`echo "scale=2;${wd}/1000" | bc`
#警告
war=""
if [[ $(echo "$wd < 50" | bc) = 1 ]];then
    war="normal"
elif [[ $(echo "$wd <= 70" | bc) = 1 ]];then
    war="note"
else
    war="warning"
fi
#求CPU佔用率
#sum1和idle1
eval $(cat /proc/stat | head -1 | awk -v sum1=0 -v idle1=0 \
    '{for (i=2;i<=8;i++) {sum1=sum1+$i} \
    printf("sum1=%d;idle1=%d;", sum1, $5)}')
#等待0.5s
sleep 0.5
#sum2和idle2
eval $(cat /proc/stat | head -1 | awk -v sum2=0 -v idle2=0 \
    '{for (i=2;i<=8;i++) {sum2=sum2+$i} \
    printf("sum2=%d;idle2=%d;", sum2, $5)}')
#cpu佔用率
zyl=`echo "scale=4;(1-($idle2-$idle1)/($sum2-$sum1))*100" | bc`
zyl=`printf "%.2f" "$zyl"`
echo "$time $fz $zyl ${wd}°C $war"

#!/bin/bash

#時間
time=`date "+%Y-%m-%d__%H:%M:%S"`

#CPU負載
fz=`cat /proc/loadavg | cut -d ' ' -f 1-3`

#CPU溫度
wd=`cat /sys/class/thermal/thermal_zone0/temp`
wd=`echo "scale=2;${wd}/1000" | bc`

#警告
war=""
if [[ $(echo "$wd >= 70" | bc) = 1 ]];then
    war="warning"
elif [[ $(echo "$wd >= 50" | bc) = 1 ]];then
    war="note"
else
    war="normal"
fi

#求CPU佔用率
eval $(cat /proc/stat | head -1 | awk -v sum1=0 -v idle1=0 \
    '{for (i=2;i<=8;i++) {sum1=sum1+$i} \
    printf("sum1=%d;idle1=%d;", sum1, $5)}')

sleep 0.5

eval $(cat /proc/stat | head -1 | awk -v sum2=0 -v idle2=0 \
    '{for (i=2;i<=8;i++) {sum2=sum2+$i} \
    printf("sum2=%d;idle2=%d;", sum2, $5)}')

CpuUsedPerc=`echo "scale=4;(1-($idle2-$idle1)/($sum2-$sum1))*100" | bc`
CpuUserPerc=`printf "%.2f" "$CpuUsedPerc"`

echo "$time $fz $CpuUsedPerc ${wd}°C $war"