killtopcpu.sh

# Minimal process CPU load after that process will be killed
MIN_CPU_LOAD="50"
echo "Min cpu load to kill $MIN_CPU_LOAD %"

pid=$(ps -eo %cpu,pid,comm --sort -%cpu --no-headers | head -n 1)
# For debugging purposes 
# echo $pid

if [[ -n $pid ]]; then
    # Maybe use single command to fill array or object-like storage
    kcpu=$(echo $pid | awk '{print $1}')
    kpid=$(echo $pid | awk '{print $2}')
    command=$(echo $pid | awk '{print $3}')

    # Workaround to compare float numbers
    ift=$(echo $kcpu'>'$MIN_CPU_LOAD | bc -l)
    if [ $ift -eq "1" ]; then
        echo "Process $command (pid: $kpid) is high cpu usage $kcpu % greater than $MIN_CPU_LOAD. Killing"
        kill $kpid
    else
       echo "Process $command (pid: $kpid) is low cpu usage $kcpu %."
    fi
else
echo "Does not exist"
fi