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Add fraction loss in visualization tool.

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Review-Url: https://codereview.webrtc.org/2204713005
Cr-Commit-Position: refs/heads/master@{#13644}
This commit is contained in:
terelius
2016-08-04 10:00:11 -07:00
committed by Commit bot
parent ddba75c7cb
commit f736d2365d
3 changed files with 27 additions and 0 deletions
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17
webrtc/tools/event_log_visualizer/analyzer.cc
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@ -538,6 +538,23 @@ void EventLogAnalyzer::CreateAccumulatedDelayChangeGraph(Plot* plot) {
plot->SetTitle("Accumulated network latency change");
}
// Plot the fraction of packets lost (as perceived by the loss-based BWE).
void EventLogAnalyzer::CreateFractionLossGraph(Plot* plot) {
plot->series_list_.push_back(TimeSeries());
for (auto& bwe_update : bwe_loss_updates_) {
float x = static_cast<float>(bwe_update.timestamp - begin_time_) / 1000000;
float y = static_cast<float>(bwe_update.fraction_loss) / 255 * 100;
plot->series_list_.back().points.emplace_back(x, y);
}
plot->series_list_.back().label = "Fraction lost";
plot->series_list_.back().style = LINE_DOT_GRAPH;
plot->SetXAxis(0, call_duration_s_, "Time (s)", kLeftMargin, kRightMargin);
plot->SetSuggestedYAxis(0, 10, "Percent lost packets", kBottomMargin,
kTopMargin);
plot->SetTitle("Reported packet loss");
}
// Plot the total bandwidth used by all RTP streams.
void EventLogAnalyzer::CreateTotalBitrateGraph(
PacketDirection desired_direction,

2
webrtc/tools/event_log_visualizer/analyzer.h
View File

@ -41,6 +41,8 @@ class EventLogAnalyzer {
void CreateAccumulatedDelayChangeGraph(Plot* plot);
void CreateFractionLossGraph(Plot* plot);
void CreateTotalBitrateGraph(PacketDirection desired_direction, Plot* plot);
void CreateStreamBitrateGraph(PacketDirection desired_direction, Plot* plot);

8
webrtc/tools/event_log_visualizer/generate_timeseries.cc
View File

@ -51,6 +51,10 @@ 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];
@ -116,6 +120,10 @@ int main(int argc, char* argv[]) {
}
}
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,