wlan-latdist

对IEEE 802.11e里的分布式信道接入算法EDCA进行改进

#!/bin/tcsh
#
# works on a latency file produced by wlan-lat
# outputs cummulative % of packets below increasing
# latency thresholds

if ( $#argv != 2 ) then
  echo usage:
  echo "      " $0 \<scenario\> \<flow id\>
  exit 1
endif

set scenario = $1
set flow = $2

set latfile = $scenario.$flow.lat

set distfile = $scenario.$flow.latdist
rm -f $distfile

set total = `wc -l $latfile | gawk '{ print $1; }'`
gawk '{ print $2; }' $latfile | sort -g | gawk -v total=$total '{ print $1, (++i)*100.0/total; }' > $distfile