# droprate: 0.25
# time: 99.99 tcp 0 ppr 0.50405
BEGIN{time=0}
{
if ($1=="time:"&&time==0){
	time=$2
}
if ($1=="droprate:") printf "%0.2f ", $2
if ($2==time && $5=="ppr") rate = $6
if ($2>time && $5=="ppr") {
  newrate = $6
  answer = 2*newrate - rate
  printf "%0.5f\n", answer
}
if ($4=="total_drops") {drops = $5}
if ($4=="total_packets") {
	packets = $5
	droprate = drops/(drops+packets)
	#printf "drop_rate: %0.2f\n", droprate
}
}