1 files changed, 15 insertions, 2 deletions
diff --git a/src/swarm/stats.rs b/src/swarm/stats.rs
index 8a00629..9d32baa 100644
--- a/src/swarm/stats.rs
+++ b/src/swarm/stats.rs
@@ -98,6 +98,11 @@ pub(crate) struct SavedSize {
 pub(crate) struct Relay {
     /// Announcement rounds (each a STATUS to the neighbours).
     pub(crate) announce_rounds: u64,
+    /// Of those, quick rounds to all neighbours, as some change came with no writer's
+    /// tree to go along (pulled, a delta, from a node with no part in it), and slow rounds
+    /// after changes that did (`swarm::relay`).
+    pub(crate) treeless_rounds: u64,
+    pub(crate) slow_rounds: u64,
     /// Pulls started.
     pub(crate) pulls: u64,
     /// Announcements of heads we lacked that had to wait for the pull in progress.
@@ -175,8 +180,16 @@ impl NodeStats {
         self.lock().stale_hello_replies += 1;
     }
 
-    pub(crate) fn announce_round(&self) {
-        self.lock().relay.announce_rounds += 1;
+    /// An announcement round: `treeless` (quick, to all), `slow`, or else quick to
+    /// those writers' trees leave out.
+    pub(crate) fn announce_round(&self, treeless: bool, slow: bool) {
+        let mut inner = self.lock();
+        inner.relay.announce_rounds += 1;
+        if slow {
+            inner.relay.slow_rounds += 1;
+        } else if treeless {
+            inner.relay.treeless_rounds += 1;
+        }
     }
 
     pub(crate) fn pull_started(&self) {