Monitorando processos, CPU e memória

Descrição

Versões atualizadas deste script

Versão 2 enviada por eli marques junior em 20/08/2013

Changelog: Uso:

$ ./top_of_eli.sh -t "time for sleep" -c "cpu crit" -p "process crit"

Exemplo:

$ ./top_of_eli.sh -t 60 -c 80 -p 10

Download 1377011720.top_of_eli.sh

Esconder código-fonte

#!/bin/bash
# ELI MARQUES JUNIOR
# eli.marquesjunior@gmail.com
#

trap 'echo -e "\n\t\t`tput blink`\033[44;1;37mNão é possivel cancelar o script $0\033[0m`tput sgr0`\n"; sleep 1; ' 2
process_number=0
function process(){

        quant_proc=0
    FILE="FILE.txt"
    ps -eo pid,%cpu,user,args | grep -v CPU > FILE.txt
    exec 3<&0
    exec 0<$FILE
    # read $FILE using the file descriptors
    while read line
       do

        cpu=`echo $line | awk '{print $2}' | cut -d. -f1`
        process=`echo $line | awk '{print $4}'`

        if (( $cpu >= $1 )); then
                ((quant_proc++))
        echo -e "\033[41;1;37m$quant_proc - Process: $process, Uso CPU: $cpu%, Status: CRIT\033[0m"

                #output=(0, $quant_proc)
                #echo ${output[@]}
        fi

            #quant_proc=`expr $quant_proc + 1`

    done
    exec 0<&3

        return ${quant_proc[0]}
}


PREV_TOTAL=0
PREV_IDLE=0
function cpu(){
    # by Paul Colby (http://colby.id.au), no rights reserved ;)

        CPU=(`cat /proc/stat | grep '^cpu '`) # Get the total CPU statistics.
        unset CPU[0]                          # Discard the "cpu" prefix.
        IDLE=${CPU[4]}                        # Get the idle CPU time.

        # Calculate the total CPU time.
        TOTAL=0
        for VALUE in "${CPU[@]}"; do
            let "TOTAL=$TOTAL+$VALUE"
        done

        # Calculate the CPU usage since we last checked.
        let "DIFF_IDLE=$IDLE-$PREV_IDLE"
        let "DIFF_TOTAL=$TOTAL-$PREV_TOTAL"
        let "DIFF_USAGE=(1000*($DIFF_TOTAL-$DIFF_IDLE)/$DIFF_TOTAL+5)/10"
        #echo -en "\rCPU: $DIFF_USAGE%  \b\b"

        # Remember the total and idle CPU times for the next check.
        PREV_TOTAL="$TOTAL"
        PREV_IDLE="$IDLE"

        # Wait before checking again.
}


function memoria(){
    center=$(expr `tput cols` \/ 2 - 25)
    var=(`free -m | grep -i Mem:`)

        var_per=`expr 100 \* ${var[2]} \/ ${var[1]}`
        if (( $var_per >= 88 )); then
             red="\033[0m\033[41;1;37m"
             nred="\033[0m\033[46;1;37m"
        else
             red=""
             nred=""
        fi


    printf "%$center.s|----------------------------------------|\n"
    printf "%$center.s|\033[44;1;37m             MEMORIA EM MB              \033[0m|\n"
    printf "%$center.s|\033[44;1;37m------------|-------------|-------------\033[0m|\n"
    printf "%$center.s|\033[44;1;37m   Total    |    Used     |    Livre    \033[0m|\n"
    printf "%$center.s|------------|-------------|-------------|\n"
    printf "%$center.s|\033[46;1;37m   %4.4s     |   $red%4.4s$nred      |    %4.4s     \033[m|\n" "" "${var[1]}" "${var[2]}" "${var[3]}"
    printf "%$center.s|------------|-------------|-------------|\n"
}


function chama_tudo(){


    while true; do

        printf "%*s\n" $(tput cols) "ELI MARQUES JUNIOR"
        #Chamando a Funcao teste
        memoria

        cpu
            if (($DIFF_USAGE >= 10 )); then
                 printf "Uso CPU: `tput blink`\033[41;1;37m%2.2s%%\033[0m`tput sgr0`" $DIFF_USAGE
            else
                 printf "Uso CPU: %2.2s%%" $DIFF_USAGE
            fi

        printf "\nProcess Crit:\n"
        #Chamando a Funcao process
        process $1
            #contando=$?

            echo "----------------------------------------------------------------------------------------"

        count=0
        while (($count <= $2)); do

        sleep 1
        ((count++))
                echo -en "\rTime refresh: $count\033[179C"

        done
            process_number=$contando
            tput cup 0 0; tput ed
        #printf "\033[1K\033[H";

    done
}


if [ "-c $2" == "$1 $2" ] && [ "-t $4" == "$3 $4" ]; then
       printf "\033[2J\033[H";
       chama_tudo $2 $4
else
       echo -e "\t\t\t$0 -c \"arg crit\" -t \"time for sleep\""
fi