Add fraction loss in visualization tool.

webrtc/tools/event_log_visualizer/generate_timeseries.cc

 /*
  *  Copyright (c) 2016 The WebRTC project authors. All Rights Reserved.
  *
  *  Use of this source code is governed by a BSD-style license
  *  that can be found in the LICENSE file in the root of the source
  *  tree. An additional intellectual property rights grant can be found
  *  in the file PATENTS.  All contributing project authors may
  *  be found in the AUTHORS file in the root of the source tree.
  */
 
@@ skipping 33 matching lines @@
             false,
             "Plot the bitrate used by each stream.");
 DEFINE_bool(plot_bwe,
             false,
             "Run the bandwidth estimator with the logged rtp and rtcp and plot "
             "the output.");
 DEFINE_bool(plot_network_delay_feedback,
             false,
             "Compute network delay based on sent packets and the received "
             "transport feedback.");
+DEFINE_bool(plot_fraction_loss,
+            false,
+            "Plot packet loss in percent for outgoing packets (as perceived by "
+            "the send-side bandwidth estimator).");
 
 int main(int argc, char* argv[]) {
   std::string program_name = argv[0];
   std::string usage =
       "A tool for visualizing WebRTC event logs.\n"
       "Example usage:\n" +
       program_name + " <logfile> | python\n" + "Run " + program_name +
       " --help for a list of command line options\n";
   google::SetUsageMessage(usage);
   google::ParseCommandLineFlags(&argc, &argv, true);
@@ skipping 45 matching lines @@
       analyzer.CreateDelayChangeGraph(collection->AppendNewPlot());
     }
   }
 
   if (FLAGS_plot_all || FLAGS_plot_accumulated_delay_change) {
     if (FLAGS_incoming) {
       analyzer.CreateAccumulatedDelayChangeGraph(collection->AppendNewPlot());
     }
   }
 
+  if (FLAGS_plot_all || FLAGS_plot_fraction_loss) {
+    analyzer.CreateFractionLossGraph(collection->AppendNewPlot());
+  }
+
   if (FLAGS_plot_all || FLAGS_plot_total_bitrate) {
     if (FLAGS_incoming) {
       analyzer.CreateTotalBitrateGraph(webrtc::PacketDirection::kIncomingPacket,
                                        collection->AppendNewPlot());
     }
     if (FLAGS_outgoing) {
       analyzer.CreateTotalBitrateGraph(webrtc::PacketDirection::kOutgoingPacket,
                                        collection->AppendNewPlot());
     }
   }
@@ skipping 16 matching lines @@
   }
 
   if (FLAGS_plot_all || FLAGS_plot_network_delay_feedback) {
     analyzer.CreateNetworkDelayFeebackGraph(collection->AppendNewPlot());
   }
 
   collection->Draw();
 
   return 0;
 }