Counters for broadcasted blob idx and coalesced packets (#897)

src/banking_stage.rs

@@ -46,6 +46,7 @@ fn recv_multiple_packets(
             break;
         }
     }
+    inc_new_counter!("banking_stage-coalesced_packets", recv_tries);
     Ok(mms)
 }
 

src/crdt.rs

@@ -658,6 +658,7 @@ impl Crdt {
                 transmit_index.data += 1;
             }
         }
+        inc_new_counter!("crdt-broadcast-max_idx", transmit_index.data as usize);
         transmit_index.coding = transmit_index.data;
 
         Ok(())