Apache bench + Gnuplot Script

benchmark.sh

#!/bin/bash

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

echo -e "\nEx: benchmark.sh -n100 -c10 http://www.google.com/ http://www.bing.com/ \n"

## Gnuplot settings
echo "set terminal jpeg
set output 'benchmark_${1}_${2}.jpeg'
set title 'Benchmark: ${1} ${2}'
set size 1,1
set grid y
set xlabel 'request'
set ylabel 'response time (ms)'" > /tmp/plotme


# set terminal jpeg
# set output 'benchmark_${1}_${2}.jpeg'
# set title 'Benchmark: ${1} ${2}'
# set size 1,1
# set grid y
# set timefmt '%s'
# set format x '%S'
# set xlabel 'seconds'
# set ylabel 'response time (ms)

## Loop over parameters
c=1
for var in "$@"
do
  
    ## skipping first parameters (concurrency and requests)
    if [ $c -gt 2 ]  
    then

  ## apache-bench
      ab $1 $2 -r -g "gnuplot_${c}.out" "${var}"
  
  ## if for concat stuff
  if [ $c -gt 3 ]  
  then
    echo -e ", 'gnuplot_${c}.out' using 9 smooth sbezier with lines title '${var}' \\" >> /tmp/plotme
  else
    echo -e "plot 'gnuplot_${c}.out' using 9 smooth sbezier with lines title '${var}' \\" >> /tmp/plotme
  fi
    fi

    let c++
done

## plotting
gnuplot /tmp/plotme

echo -e "\n Success! Result image is: benchmark_${1}_${2}.jpeg"

## show the image
eog benchmark_${1}_${2}.jpeg > /dev/null &