Add profiles to README

grapesy/README.md

@@ -96,7 +96,51 @@ did not consider them any further. The full list is:
 
 ## Memory profiles
 
-TODO
+Screenshots of the "Area Chart" display of the
+[`eventlog2html`](https://github.com/mpickering/eventlog2html) output for
+selected RPC communication patterns.
+
+### Many connections
+
+Client opens many connections and does a single non-streaming RPC.
+
+Client profile:
+
+![Client many connections
+profile](../assets/profiles/many-connections-100000-client.png)
+
+Server profile:
+
+![Server many connections
+profile](../assets/profiles/many-connections-100000-server.png)
+
+### Many calls
+
+Client opens a single connection and does many RPCs.
+
+Client profile:
+
+![Client many connections
+profile](../assets/profiles/many-calls-client.png)
+
+Server profile:
+
+![Server many connections
+profile](../assets/profiles/many-calls-server.png)
+
+### Many messages
+
+Client opens a single connection and does a single RPC that sends many messages.
+
+Client profile:
+
+![Client many connections
+profile](../assets/profiles/many-messages-client.png)
+
+Server profile:
+
+![Server many connections
+profile](../assets/profiles/many-messages-server.png)
 
 ## Benchmarks