#!/bin/ksh
set -e

#
# format the data from bonnie tests so that it becomes readable by gnuplot
# here we compare only two bench results with multiple runs (-x 5)
#

[[ -z $2 ]] && echo usage: bonnie-file1 bonnie-file2 && exit 1
file1=$1
file2=$2

lines=`wc -l < $file1`
linesafter=`wc -l < $file2`
echo there are $lines lines in $file1
echo there are $linesafter lines in $file2

(( lines != linesafter )) && echo number of lines differ between $file1 and $file2 && exit 1

echo -n writing to bonnie.dat ...
(( line = 1 ))
until (( line > lines )); do
	for set in 3 5 7 9 11; do
		before=`sed -n ${line}p $file1 | cut -f$set -d,`
		after=`sed -n ${line}p $file2 | cut -f$set -d,`
		cat <<EOF
$line	$set	$before	$after
EOF
	done
	(( line++ ))
done > bonnie.dat && echo done

cat > bonnie.plot <<EOF
set dgrid 40,40
set hidden3d
set xlabel "Test run"
set ylabel "Type of IOPS"
splot \\
        'bonnie.dat' u 1:2:3 with lines tit "${file1%\.bon}", \\
        'bonnie.dat' u 1:2:4 with lines tit "${file2%\.bon}"
EOF

echo ready to plot? [y]
read yesno
[[ -z $yesno || $yesno = y || $yesno = Y ]] && gnuplot -persist -c bonnie.plot