shell CPU 使用率
CPU.sh
MAX=95
EMAIL=[email protected]
USE=$(grep 'cpu ' /proc/stat | awk '{usage=($2+$4)*100/($2+$4+$5)} END {print usage ""}')
USE=`printf "%.0f\n" $USE`
if [[ $USE -gt $MAX ]]; then
echo "Percent used: $USE" | mail -s "Running out of CPU power" $EMAIL
else
echo "all is well !"
fi
执行：
$ bash CPU.sh
all is well !
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