Re: Speed of the network card

[Sasi Peter]

On Mon, 8 Jan 2001, Chris Wedgwood wrote:

>     I would like to determine the banwidth the card is getting from
>     the network.
> /proc/net/dev exports counters; you can monitor those -- I'm sure
> there are perfomance program that do exactly this.

I have this little script for monitoring interfaces' speed on 132
wide textmode console w/ niche histogram. It is not perfect but 'it
works for me' (tm).

--------------------------> cut here
if [ "$1" = "" ]
then
  echo "Please specify the sampling rate."
  exit
fi

while true
do
  cat /proc/net/ip_fwnames &
  sleep $1
done |
  awk '
    BEGIN {
     s=0
     d='$1'*1024*1024
     wd=d/15
    }

    /^input /	{o=s
		 s=$7}
    /^output /	{s+=$7
                 w=(s-o)/wd
		 if(w>130)w=0
                 printf "%fMB/s %0*c\n",(s-o)/d,w,">"}
  '
--------------------------> cut here

-- 
SaPE - Peter, Sasi - mailto:[e-mail] - http://sape.iq.rulez.org/