measure sync envelopes

1 files changed, 11 insertions, 0 deletions

diff --git a/src/simtest/bench.rs b/src/simtest/bench.rs
index 1d6d411..0300825 100644
--- a/src/simtest/bench.rs
+++ b/src/simtest/bench.rs
@@ -332,6 +332,9 @@ impl Totals {
             relay.tree_forwards += stats.relay.tree_forwards;
             relay.delivered += stats.relay.delivered;
             relay.delivered_bytes += stats.relay.delivered_bytes;
+            relay.framed += stats.relay.framed;
+            relay.framing_bytes += stats.relay.framing_bytes;
+            relay.framing_id_bytes += stats.relay.framing_id_bytes;
             relay.nothing_new += stats.relay.nothing_new;
             relay.nothing_new_bytes += stats.relay.nothing_new_bytes;
             relay.nothing_new_along_trees += stats.relay.nothing_new_along_trees;
@@ -718,6 +721,14 @@ fn report(
             news
         ),
     );
+    // What our envelope adds to each Automerge message, beside the message itself.
+    let framed = r1.framed - r0.framed;
+    let _ = writeln!(
+        out,
+        "    sync envelopes: {:.0} bytes each beside the Automerge message, {:.0} of them the swarm ID and the epoch",
+        each(r1.framing_bytes - r0.framing_bytes, framed),
+        each(r1.framing_id_bytes - r0.framing_id_bytes, framed),
+    );
     let (lately, later) = (
         r1.asked_known_lately - r0.asked_known_lately,
         r1.asked_known_later - r0.asked_known_later,