diff --git a/defs/server.go b/defs/server.go
index b5d195f..8ea9f8e 100644
--- a/defs/server.go
+++ b/defs/server.go
@@ -109,6 +109,19 @@ func (s *Server) ICMPPingAndJitter(count int, srcIp, network string) (float64, f
 
 	stats := p.Statistics()
 
+	// A single figure hides how the samples were spread. The pinger already
+	// works these out, and the spread is what says whether a link is steady or
+	// merely fast on average. Raw counts rather than a loss percentage: ten
+	// probes are too few for a rate, and ICMP is often policed independently of
+	// the data path, so a percentage would say more about the server's ICMP
+	// handling than about the network.
+	output.WriteDebug("Ping over ICMP: min %.2f ms, avg %.2f ms, max %.2f ms, stddev %.2f ms, %d/%d replies\n",
+		float64(stats.MinRtt.Microseconds())/1000,
+		float64(stats.AvgRtt.Microseconds())/1000,
+		float64(stats.MaxRtt.Microseconds())/1000,
+		float64(stats.StdDevRtt.Microseconds())/1000,
+		stats.PacketsRecv, stats.PacketsSent)
+
 	var lastPing, jitter float64
 	for idx, rtt := range stats.Rtts {
 		if idx != 0 {