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add metric for spurious congestion events #2549

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Merged
Ralith merged 1 commit into from
Feb 28, 2026
Merged

add metric for spurious congestion events #2549

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1 change: 1 addition & 0 deletions quinn-proto/src/connection/mod.rs
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Original file line number Diff line number Diff line change
Expand Up @@ -1456,6 +1456,7 @@ impl Connection {
};

if self.detect_spurious_loss(&ack, space) {
self.stats.path.spurious_congestion_events += 1;
self.path.congestion.on_spurious_congestion_event();
}

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2 changes: 2 additions & 0 deletions quinn-proto/src/connection/stats.rs
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Expand Up @@ -140,6 +140,8 @@ pub struct PathStats {
pub cwnd: u64,
/// Congestion events on the connection
pub congestion_events: u64,
/// Spurious congestion events on the connection
pub spurious_congestion_events: u64,
/// The amount of packets lost on this path
pub lost_packets: u64,
/// The amount of bytes lost on this path
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