How to measure time spent on response compression for Nginx?

[wishmaster]

 --- Original message ---
 From: "Wei Chen" <aircw2005 at gmail.com>
 Date: 14 September 2014, 07:18:40
  


> Hi folks:
> 
> We want to measure how long Nginx takes to compress certain response
> with Gzip format. Is there any way/tool to get accurate timing?
> 
 
  You can find some information about gzip on Calome.Org website.
  https://calomel.org/nginx.html (see gzip_comp_level section)