aquatic_udp: stop counting readable events for statistics

It is not very informative and might be expensive

aquatic_udp/src/lib/common.rs

@@ -174,7 +174,6 @@ impl TorrentMaps {
 pub struct Statistics {
     pub requests_received: AtomicUsize,
     pub responses_sent: AtomicUsize,
-    pub readable_events: AtomicUsize,
     pub bytes_received: AtomicUsize,
     pub bytes_sent: AtomicUsize,
 }

aquatic_udp/src/lib/network.rs

@@ -93,11 +93,6 @@ pub fn run_socket_worker(
                     &request_sender,
                     &mut local_responses,
                 );
-
-                state
-                    .statistics
-                    .readable_events
-                    .fetch_add(1, Ordering::SeqCst);
             }
         }
 

aquatic_udp/src/lib/tasks.rs

@@ -41,19 +41,9 @@ pub fn gather_and_print_statistics(state: &State, config: &Config) {
     let bytes_received_per_second: f64 = bytes_received / interval as f64;
     let bytes_sent_per_second: f64 = bytes_sent / interval as f64;
 
-    let readable_events: f64 = state
-        .statistics
-        .readable_events
-        .fetch_and(0, Ordering::SeqCst) as f64;
-    let requests_per_readable_event = if readable_events == 0.0 {
-        0.0
-    } else {
-        requests_received / readable_events
-    };
-
     println!(
-        "stats: {:.2} requests/second, {:.2} responses/second, {:.2} requests/readable event",
+        "stats: {:.2} requests/second, {:.2} responses/second",
-        requests_per_second, responses_per_second, requests_per_readable_event
+        requests_per_second, responses_per_second
     );
 
     println!(