average.pl

This is a simulator written in Tcl to simulate a network node carrying GSM and GPRS traffics with Qo

# type: perl average.pl  <trace file>  > file

$infile = $ARGV[0];   # the trace file for flow ID and E2E delay of each flow

    $totalDelay=0.0;
    $flowNum=0;
    
    open (DATA, "<$infile") || die "Can't open $infile";
    while (<DATA>) {
      $line = $_;
      @x = split(' ');
      
      $flowNum = $flowNum + 1;
      $totalDelay = $totalDelay + $x[1] ;
	
      }

   $AvgDelay = $totalDelay / $flowNum;
   print STDOUT "total flow Num = $flowNum, average delay = $AvgDelay \n";

   close DATA;
  
 exit(0);