add WIP state

README.md

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+# ab (apache bench) and Gnuplot
+Two scripts:
+
+* `ab.sh` runs your ab benchmark. Specifiy requests, concurrency and URL
+* `plot_ttime.sh` generates graphs with Gnuplot (total time)
+* `plot_ttfb.sh` generates graphs with Gnuplot (Time To First Byte)
+
+Web links:
+
+* [Apache Bench and Gnuplot: you’re probably doing it wrong](http://www.bradlanders.com/2013/04/15/apache-bench-and-gnuplot-youre-probably-doing-it-wrong/)

ab.sh

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+#!/usr/bin/env bash
+reqs=100000
+concurrency=10
+url='https://example.org'
+fileprefix='example_org'
+useragent="Mozilla/5.0 (Windows NT 6.1; WOW64; rv:40.0) Gecko/20100101 Firefox/40.1 apachebench"
+
+# apache bench with basic authentication
+ab -A username:password -H "User-Agent: $useragent" -n $reqs -c $concurrency -g ${fileprefix}_$(date +%F_%H%M%S)_r-${reqs}_c-${concurrency}.gnuplot $url > ${fileprefix}_$(date +%F_%H%M%S)_r-${reqs}_c-${concurrency}.log

plot_ttfb.sh

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+#!/usr/bin/env bash
+
+for file in $(ls -1 example*\.gnuplot); do
+	gnuplot <<- EOF
+		set terminal png size 1280,500
+		set size 1, 1
+		set output "$file\_ttfb.png"
+		set title "$file"
+		set key left top
+		set grid y
+		set xdata time
+		set timefmt "%s"
+		set format x "%H:%M:%S"
+		set xlabel 'time'
+		set ylabel "response time (ms)"
+		set yrange [0:10000]
+		set datafile separator '\t'
+		plot "$file" every ::2 using 2:6 title 'response time (TTFB)' with points
+		exit
+	EOF
+done

plot_ttime.sh

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+#!/usr/bin/env bash
+
+for file in $(ls -1 example*\.gnuplot); do
+	gnuplot <<- EOF
+		set terminal png size 1280,500
+		set size 1, 1
+		set output "$file\_ttime.png"
+		set title "$file"
+		set key left top
+		set grid y
+		set xdata time
+		set timefmt "%s"
+		set format x "%H:%M:%S"
+		set xlabel 'time'
+		set ylabel "response time (ms)"
+		set yrange [0:10000]
+		set datafile separator '\t'
+		plot "$file" every ::2 using 2:5 title 'response time (total)' with points
+		exit
+	EOF
+done