new changes per message

1 files changed, 15 insertions, 0 deletions

diff --git a/src/simtest/bench.rs b/src/simtest/bench.rs
index 3b1b3e6..5242633 100644
--- a/src/simtest/bench.rs
+++ b/src/simtest/bench.rs
@@ -292,6 +292,7 @@ impl Totals {
             relay.carrying += stats.relay.carrying;
             relay.carrying_change_bytes += stats.relay.carrying_change_bytes;
             relay.carrying_bloom_bytes += stats.relay.carrying_bloom_bytes;
+            relay.new_changes += stats.relay.new_changes;
             relay.nothing_new_change_bytes += stats.relay.nothing_new_change_bytes;
             relay.nothing_new_bloom_bytes += stats.relay.nothing_new_bloom_bytes;
             relay.off_tree += stats.relay.off_tree;
@@ -619,6 +620,20 @@ fn report(
             twice
         ),
     );
+    // Bytes of changes per new change in the messages that brought some: several
+    // changes per message, or larger changes.
+    let with_news = carrying - twice;
+    let news = r1.new_changes - r0.new_changes;
+    let _ = writeln!(
+        out,
+        "    of those with something new: {:.1} new changes each, {:.0} bytes of changes per new change",
+        each(news, with_news),
+        each(
+            (r1.carrying_change_bytes - r0.carrying_change_bytes)
+                - (r1.nothing_new_change_bytes - r0.nothing_new_change_bytes),
+            news
+        ),
+    );
     let (i0, i1) = (during.0.incidents, during.1.incidents);
     let _ = writeln!(
         out,