Curl timing test for a URL

Readme.md

Bash Curl timing test

Usage bash test.sh "<url>" <no_samples>

Params

• url - sample URL to test.
• no_samples - no of samples to run. Default: 10

Example

$ bash test.sh "https://example.com" 5
0.015165 0.214462 0.630342 0.630874 0.000000 0.831220 0.831465
0.010218 0.209856 0.627238 0.628216 0.000000 0.827366 0.827506
0.008061 0.204611 0.612787 0.612946 0.000000 0.810696 0.811175
0.010656 0.209876 0.622439 0.622684 0.000000 0.823202 0.823371
0.008611 0.206133 0.626103 0.626606 0.000000 0.826558 0.826718

-----------------------------
url:     https://example.com
samples: 5
-----------------------------
time_namelookup:    0.0105422
time_connect:       0.208988
time_appconnect:    0.623782
time_pretransfer:   0.624266
time_redirect:      0
time_starttransfer: 0.82381
time_total:         0.824048
-----------------------------

test.sh

#!/bin/bash


time_namelookup=0.0
time_connect=0.0
time_appconnect=0.0
time_pretransfer=0.0
time_redirect=0.0
time_starttransfer=0.0
time_total=0.0
count=0

if [ -n "$2" ]; then
  samples=$2
else
  samples=10
fi

for i in $(seq $samples); do
  result=`curl -w "%{time_namelookup} %{time_connect} %{time_appconnect} %{time_pretransfer} %{time_redirect} %{time_starttransfer} %{time_total}" -o /dev/null -s "$1"`

  echo $result
  read -a timing_data <<< $result

  time_namelookup=`echo "$time_namelookup ${timing_data[0]}" | awk '{print $1 + $2}'`
  time_connect=`echo "$time_connect ${timing_data[1]}" | awk '{print $1 + $2}'`
  time_appconnect=`echo "$time_appconnect ${timing_data[2]}" | awk '{print $1 + $2}'`
  time_pretransfer=`echo "$time_pretransfer ${timing_data[3]}" | awk '{print $1 + $2}'`
  time_redirect=`echo "$time_redirect ${timing_data[4]}" | awk '{print $1 + $2}'`
  time_starttransfer=`echo "$time_starttransfer ${timing_data[5]}" | awk '{print $1 + $2}'`
  time_total=`echo "$time_total ${timing_data[6]}" | awk '{print $1 + $2}'`
  count=`echo "$count 1" | awk '{print $1 + $2}'`

done


time_namelookup=`echo "$time_namelookup $count" | awk '{print $1 / $2}'`
time_connect=`echo "$time_connect $count" | awk '{print $1 / $2}'`
time_appconnect=`echo "$time_appconnect $count" | awk '{print $1 / $2}'`
time_pretransfer=`echo "$time_pretransfer $count" | awk '{print $1 / $2}'`
time_redirect=`echo "$time_redirect $count" | awk '{print $1 / $2}'`
time_starttransfer=`echo "$time_starttransfer $count" | awk '{print $1 / $2}'`
time_total=`echo "$time_total $count" | awk '{print $1 / $2}'`

echo ""
echo "-----------------------------"
echo "url:     $1"
echo "samples: $count"
echo "-----------------------------"
echo "time_namelookup:    $time_namelookup"
echo "time_connect:       $time_connect"
echo "time_appconnect:    $time_appconnect"
echo "time_pretransfer:   $time_pretransfer"
echo "time_redirect:      $time_redirect"
echo "time_starttransfer: $time_starttransfer"
echo "time_total:         $time_total"
echo "-----------------------------"