BEGIN {
highest_packet_id = 0;
}
{
   action = 
BEGIN {
highest_packet_id = 0;
}
{
   action = $1;
   time = $2;
   node_1 = $3;
   node_2 = $4;
   type = $5;
   flow_id = $8; 
   node_1_address = $9;
   node_2_address = $10; 
   seq_no = $11;
   packet_id = $12;
   if ( packet_id > highest_packet_id )
   highest_packet_id = packet_id;
  if ( start_time[packet_id] == 0 )  
        start_time[packet_id] = time;
  if ( flow_id == 2 && action != "d" ) {
        if ( action == "r" ) {
        end_time[packet_id] = time;
        }
   }else{
        end_time[packet_id] = -1;
   }
}                                                                                                           
END {
   for ( packet_id = 0; packet_id <= highest_packet_id; packet_id++ ) {
        start = start_time[packet_id];
        end = end_time[packet_id];
        packet_duration = end - start;
        if ( start < end ) printf("%f %f\n", start, packet_duration);
   }
}
2.Jitter
BEGIN {
highest_packet_id = 0;
}
{
   action = $1;
   time = $2;
   node_1 = $3;
   node_2 = $4;
   type = $5;
  flow_id = $8;
   node_1_address = $9;
   node_2_address = $10;
   seq_no = $11;
   packet_id = $12;
   if ( packet_id > highest_packet_id ) {
           highest_packet_id = packet_id;
        }
   if ( start_time[packet_id] == 0 )  {
           pkt_seqno[packet_id] = seq_no;
           start_time[packet_id] = time;
   }
  if ( flow_id == 2 && action != "d" ) {
     if ( action == "r" ) {
         end_time[packet_id] = time;
      }
   } else {
      end_time[packet_id] = -1;
   }
}                                                       
END {
        last_seqno = 0;
        last_delay = 0;
        seqno_diff = 0;
    for ( packet_id = 0; packet_id <= highest_packet_id; packet_id++ ) {
       start = start_time[packet_id];
       end = end_time[packet_id];
       packet_duration = end - start;
       if ( start < end ) {
               seqno_diff = pkt_seqno[packet_id] - last_seqno;
               delay_diff = packet_duration - last_delay;
               if (seqno_diff == 0) {
                      jitter =0;
               } else {
                       jitter = delay_diff/seqno_diff;
               }
               printf("%f %f\n", start, jitter);
              last_seqno = pkt_seqno[packet_id];
              last_delay = packet_duration;
       }
    }
}
3.Loss
BEGIN {
fsDrops = 0;
        numFs = 0;
}
{
action = $1;
   time = $2;
   node_1 = $3;
   node_2 = $4;
   src = $5;
   flow_id = $8;
   node_1_address = $9;
   node_2_address = $10;
   seq_no = $11;
   packet_id = $12;
        if (node_1==1 && node_2==2 && action == "+")
        numFs++;
        if (flow_id==2 && action == "d")
                fsDrops++;
}
END {
        printf("number of packets sent:%d lost:%d\n", numFs, fsDrops);
}
4.Throughput
BEGIN {
init=0;
i=0;
}
{
action = $1;
        time = $2;
        node_1 = $3;
        node_2 = $4;
        src = $5;
        pktsize = $6;
        flow_id = $8;
        node_1_address = $9;
        node_2_address = $10;
        seq_no = $11;
        packet_id = $12;
        if(action=="r" && node_1==2 && node_2==3 && flow_id==2) {
        pkt_byte_sum[i+1]=pkt_byte_sum[i]+ pktsize; 
                if(init==0) {
                start_time = time;
                init = 1;
}
                              
end_time[i] = time;
i = i+1;
}
}
END {
printf("%.2f\t%.2f\n", end_time[0], 0);
        for(j=1 ; j<i ; j++){
th = pkt_byte_sum[j] / (end_time[j] - start_time)*8/1000;
printf("%.2f\t%.2f\n", end_time[j], th);
}
printf("%.2f\t%.2f\n", end_time[i-1], 0);
}



以上脚本的运行为：awk -f [脚本文件名].awk [trace文件]  > [输出文件]






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   time = ;   t