#!/bin/sh

CWD=$(pwd)
TMP="/tmp"
TMPDIR=$TMP/timetest
HELPER=$TMP/timetest-executor.sh
LOGFILE=$TMPDIR/timetest.log
ENDLOGFILE=$CWD/Desktop/timetest.csv
PROGS="gedit xterm"
SLEEP="1"
LOAD="yes"

function prepare () {
    mkdir -p $TMPDIR

    echo '#!/bin/sh' > $HELPER
    echo '$1 &' >> $HELPER
    echo 'sleep $2' >> $HELPER
    echo 'kill $!' >> $HELPER
    chmod u+x $HELPER
}

function clearlogs () {
    for FILE in $LOGFILE $ENDLOGFILE
    do
        if [ -e $FILE ]
        then
            rm $FILE
        fi
    done
}

function timerun () {
    if [ $(which $PROG) ]
    then
        if [ $LOAD ]
        then
            systemload
        fi
        echo "?$PROG" >> $LOGFILE
        for i in $(seq 0 99)
        do
            echo "run $i" >> $LOGFILE
            /usr/bin/time -p -o $LOGFILE -a $HELPER $PROG $SLEEP
        done
        if [ $LOAD ]
        then
            killall dd
            killall bzip2
            killall bunzip2
        fi
        sleep 5
    fi
}

function systemload () {
    dd if=/dev/urandom of=$TMPDIR/random.dd bs=1024 count=262144 && bzip2 $TMPDIR/random.dd && bunzip2 $TMPDIR/random.dd.bz2 &
}

function parselog {
    cat $LOGFILE | tr '\n' ',' | sed -e 's/run/\nrun/g' -e '$s/\(.\)$/\1\n/' -e 's/\?/\n/g' > $ENDLOGFILE
}

function cleanup {
    rm $HELPER
    rm -fr $TMPDIR
}

# ==============================
echo "test begin"
clearlogs
prepare

for PROG in $PROGS
do
    timerun
done

parselog
cleanup
echo "test end"
# ==============================


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