benchmark a bunch of urls with POST and plot them in the same graph as points

benchmark.sh

#!/bin/bash

echo -e "\nbenchmark.sh <title> -n<number of requests> -c<number of concurrency> <URL1> <URL2> ..."

echo -e "\nEx: benchmark.sh example -n100 -c10 http://www.google.com/ http://www.bing.com/ will create benchmar-example-n100-c10.png\n"

## Gnuplot settings
echo "set terminal png
set output 'benchmark-${1}${2}${3}.png'
set title 'Benchmark: ${1} with ab ${2} ${3}'
set size 1,1
set grid y
set xlabel 'requests'
set ylabel 'response time (ms)' " > /tmp/plotme


## Loop over parameters
c=1
for var in "$@"
do
    ## skipping first parameters (concurrency and requests)
    if [ $c -gt 3 ]
    then
	## apache-bench
    	ab $2 $3 -p post.json -g "gnuplot_${c}.out" "${var}"

	## if for concat stuff
 	if [ $c -gt 4 ]
	then
		echo -e ", 'gnuplot_${c}.out' using 9 smooth sbezier with points title '${var}' \\" >> /tmp/plotme
	else
		echo -e "plot 'gnuplot_${c}.out' using 9 smooth sbezier with points title '${var}' \\" >> /tmp/plotme
	fi
    fi

    let c++
done

## plotting
gnuplot /tmp/plotme

echo -e "\n Success! Result image is: benchmark-${1}${2}${3}.png"

post.json

event={
    "xx" : "xxxxxx",
    "yy" : "xxxxxx",
    "z" : "xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx",
    "a" : "xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx",
    "bb" : "xxx",
    "c" : "xxx",
    "d" : "xxxxx"
}