Memory usage of Browsers

browsers.text

Scripts:
--------
ps aux | grep -i firefox | awk '{sum += $4} END {print 4*1024 * (sum/100)}'
ps aux | grep -i safari | awk '{sum += $4} END {print 4*1024 * (sum/100)}'
ps aux | grep -i chrome | awk '{sum += $4} END {print 4*1024 * (sum/100)}'

Time-Table:
-----------

Name                                Mega
-------------------------------------------
6:09 PM
  Firefox start:                    155.648
  Chrome start:                     360.448
  Safari start                      73.728
6:11 PM (open lacyc3.eu)
  Firefox:                          188.416
  Chrome:                           421.888
  Safari:                           135.168
6:15 PM (open erolove.hu)
  Firefox:                          212.992
  Chrome:                           479.232
  Safari:                           192.512
6:16 PM (open G + search "lofasz")
  Firefox:                          241.664
  Chrome:                           516.096
  Safari:                           208.896
6:22 PM (open && kill rosszjatekok)
  Firefox:                          395.872
  Chrome:                           581.632
  Safari:                           350.56
6:25 PM (close all tab && wait 2 seconds)
  Firefox:                          360.448
  Chrome:                           438.272
  Safari:                           180.08

Time-Line:
----------
  Firefox:  156  ->  188  ->  213  ->  242  ->  395  -> 360
  Chrome:   360  ->  422  ->  479  ->  516  ->  582  -> 438
  Safari:    74  ->  135  ->  193  ->  209  ->  351  -> 180

get_bw_stat.zsh

date
echo -en "Safari: "
ps aux | grep -i safari | awk '{sum += $4} END {print 4*1024 * (sum/100)}'
echo -en "Firefox: "
ps aux | grep -i firefox | awk '{sum += $4} END {print 4*1024 * (sum/100)}'
echo -en "Chrome: "
ps aux | grep -i chrome | awk '{sum += $4} END {print 4*1024 * (sum/100)}'

There are not exact values cos:

• In safari i was loggen in to google but in firefox and chrome i was not.
• grep returns sometimes with itself in the list too.
• values calculated from percentage (it's not exact).