commit d8b383e8add02e2c313998adc0660aad6794724a
author wub <wub@google.com> Fri May 22 07:24:39 2020 -0700
committer Copybara-Service <copybara-worker@google.com> Fri May 22 07:25:19 2020 -0700
tree df44e29afe7b03e805405669ec4119a3438f11de
parent 5a29bd51091a58c7eb536f101e940d0685f8716e

In quic loss detection tuner, do not give feedback if a connection 1) has no packets lost, 2) would still have no packets lost if the reordering_shift increased by one. protected by existing flag --gfe2_reloadable_flag_quic_enable_loss_detection_experiment_at_gfe.

PiperOrigin-RevId: 312830024
Change-Id: I76bc158d505792c31bf99fe040c7958418517173

quic/core/quic_sent_packet_manager.cc

diff --git a/quic/core/quic_sent_packet_manager.cc b/quic/core/quic_sent_packet_manager.cc
index 7d32176..3941a3e 100644
--- a/quic/core/quic_sent_packet_manager.cc
+++ b/quic/core/quic_sent_packet_manager.cc
@@ -972,6 +972,9 @@
         detection_stats.sent_packets_max_sequence_reordering;
   }
 
+  stats_->sent_packets_num_borderline_time_reorderings +=
+      detection_stats.sent_packets_num_borderline_time_reorderings;
+
   for (const LostPacket& packet : packets_lost_) {
     QuicTransmissionInfo* info =
         unacked_packets_.GetMutableTransmissionInfo(packet.packet_number);