#!/bin/ksh
set -e

# bonnie v1
#sets="3 5 7 9 11"

# bonnie v2
sets="8 10 12 14 16"

debug=0

#
# 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> [inverse]" && exit 1
file1=$1
file2=$2
inverse=$3

output1=`grep -vE '^[[:alpha:]]' $file1`
output2=`grep -vE '^[[:alpha:]]' $file2`

runs=`echo "$output1" | wc -l`
runs2=`echo "$output2" | wc -l`

(( runs != runs2 )) && echo number of runs differ between $file1:$runs and $file2:$runs2 && exit 1
unset runs2

function inverse_set {
	(( set == 3 )) && echo 11
	(( set == 5 )) && echo 9
	(( set == 7 )) && echo 7
	(( set == 9 )) && echo 5
	(( set == 11 )) && echo 3

	(( set == 8 )) && echo 16
	(( set == 10 )) && echo 14
	(( set == 12 )) && echo 12
	(( set == 14 )) && echo 10
	(( set == 16 )) && echo 8
}

echo -n writing bonnie.dat ...

(( run = 1 ))

rm -f bonnie.dat
until (( run > runs )); do
	(( debug > 0 )) && echo debug run is $run
	for set in $sets; do
		before=`echo "$output1" | sed -n ${run}p | cut -f$set -d,`
		after=`echo "$output2" | sed -n ${run}p | cut -f$set -d,`

		(( `echo "$before" | wc -l` != 1 )) && echo "that is not just one line: $before"
		(( `echo "$after" | wc -l` != 1 )) && echo "that is not just one line: $after"

		[[ $inverse = inverse ]] && (( debug > 0 )) && echo -n "set was $set "
		[[ $inverse = inverse ]] && set=`inverse_set`
		[[ $inverse = inverse ]] && (( debug > 0 )) && echo and became $set

		(( debug > 0 )) && echo "run $run -- set $set -- file1:$before -- file2:$after"
		echo -e "$run \t $set \t $before \t $after" >> bonnie.dat

		unset before after
	done
	(( run++ ))
done && 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