bench.plot

#!/bin/bash

set -eu

output=fig/bench.pdf
input=data/bench.data
ssd=false

usage() {
    echo "Usage: $0 [--input INPUT] [--output OUTPUT] [-ssd]" 1>&2
    echo "defaults to plotting RAM benchmarks from data/bench.data" 1>&2
}

while [[ "$#" -gt 0 ]]; do
    case "$1" in
        -i | --input)
            shift
            input="$1"
            if [ -d "$input" ]; then
                input="$input/bench.data"
            fi
            shift
            ;;
        -o | --output)
            shift
            output="$1"
            shift
            ;;
        -ssd)
            ssd=true
            shift
            ;;
        -h | -help | --help)
            usage
            exit 0
            ;;
        *)
            echo "unknown option $1" 1>&2
            usage
            exit 1
            ;;
    esac
done

# shellcheck disable=SC2016
if [ "$ssd" = "true" ]; then
    line1='column("linux-ssd")/column("linux-ssd")'
    line2='column("daisy-nfsd-ssd")/column("linux-ssd")'
    line3='column("go-nfsd-ssd")/column("linux-ssd")'
    label=" (SSD)"
    label1=$(awk 'NR==2 {printf "%.0f", $4}' "$input")
    label2=$(awk 'NR==3 {printf "%.0f", $4}' "$input")
    label3=$(awk 'NR==4 {printf "%.3f", $4}' "$input")
else
    label=""
    line1='column("linux")/column("linux")'
    line2='column("daisy-nfsd")/column("linux")'
    line3='column("go-nfsd")/column("linux")'
    label1=$(awk 'NR==2 {printf "%.0f", $2}' "$input")
    label2=$(awk 'NR==3 {printf "%.0f", $2}' "$input")
    label3=$(awk 'NR==4 {printf "%0.3f", $2}' "$input")
fi

gnuplot <<-EOF
	set terminal pdf dashed noenhanced size 3.5in,1.5in
	set output "${output}"

	set style data histogram
	set style histogram cluster gap 1
	set rmargin at screen .95

	set xrange [-1:4]
	set yrange [0:*]
	set grid y
	set ylabel "Relative throughput"
	set ytics scale 0.5,0 nomirror
	set xtics scale 0,0
	set key top right
	set style fill solid 1 border rgb "black"

	set label '${label1} file/s' at (0.08 -4./7),1.1 right rotate by 90 offset character 0,-1
	set label '${label2} MB/s' at (1.08 -4./7),1.1 right rotate by 90 offset character 0,-1
	set label '${label3} app/s' at (2.08 -4./7),1.1 right rotate by 90 offset character 0,-1

	set datafile separator "\t"

	plot "${input}" \
	        using (${line1}):xtic(1) title "Linux${label}" lc rgb '#b6d7a8' lt 1, \
	     '' using (${line2}):xtic(1) title "DaisyNFS${label}" lc rgb '#3a81ba' lt 1, \
         '' using (${line3}):xtic(1) title "GoNFS${label}" lc rgb '#cc0000' lt 1, \

EOF