A simple bash script to do load (performance) testing of a web service

load-test.sh

max="$1"
date
echo "url: $2
rate: $max calls / second"
START=$(date +%s);

get () {
  nice curl -s -insecure -v "$1" 2>&1 | tr '\r\n' '\\n' | awk -v date="$(date +'%r')" '{print $0"\n-----", date}' >> /tmp/perf-test.log
}

/etc/init.d/uhttpd restart
killall -9 curl 2>/dev/null

while true
do
  echo $(($(date +%s) - START)) $(jobs | wc -l | xargs) | awk '{print int($1/60)":"int($1%60)":"$2}'
  sleep 1

  for i in `seq 1 $max`
  do
    get $2 &
  done
done

openwrt uhttpd stress-tests

bash /load-test.sh 111 "http://127.0.0.1:80/test111"
bash /load-test.sh 111 "http://127.0.0.1:10080/test111"

bash /load-test.sh 111 "https://127.0.0.1:443/test111"
bash /load-test.sh 111 "https://127.0.0.1:10443/test111"