Add SentToInputFpsRatioPercent UMA metric on send side
New metric is a ratio between SentFramesPerSecond and
InputFramesPerSecond. It's needed to measure how much of input frames
are actually sent.
BUG=webrtc:8178
Review-Url: https://codereview.webrtc.org/3010723002
Cr-Original-Commit-Position: refs/heads/master@{#19596}
Cr-Mirrored-From: https://chromium.googlesource.com/external/webrtc
Cr-Mirrored-Commit: f4ded682e913d56bbadf14a391ff3ba37a7419f5
diff --git a/video/send_statistics_proxy.cc b/video/send_statistics_proxy.cc
index 3b97343..bab495d 100644
--- a/video/send_statistics_proxy.cc
+++ b/video/send_statistics_proxy.cc
@@ -189,6 +189,26 @@
<< sent_fps.ToString();
}
+ if (in_fps.num_samples > kMinRequiredPeriodicSamples &&
+ sent_fps.num_samples >= kMinRequiredPeriodicSamples) {
+ int in_fps_avg = in_fps.average;
+ if (in_fps_avg > 0) {
+ int sent_fps_avg = sent_fps.average;
+ int sent_to_in_fps_ratio_percent =
+ (100 * sent_fps_avg + in_fps_avg / 2) / in_fps_avg;
+ // If reported period is small, it may happen that sent_fps is larger than
+ // input_fps briefly on average. This should be treated as 100% sent to
+ // input ratio.
+ if (sent_to_in_fps_ratio_percent > 100)
+ sent_to_in_fps_ratio_percent = 100;
+ RTC_HISTOGRAMS_PERCENTAGE(kIndex,
+ uma_prefix_ + "SentToInputFpsRatioPercent",
+ sent_to_in_fps_ratio_percent);
+ LOG(LS_INFO) << uma_prefix_ << "SentToInputFpsRatioPercent "
+ << sent_to_in_fps_ratio_percent;
+ }
+ }
+
int encode_ms = encode_time_counter_.Avg(kMinRequiredMetricsSamples);
if (encode_ms != -1) {
RTC_HISTOGRAMS_COUNTS_1000(kIndex, uma_prefix_ + "EncodeTimeInMs",
