Fold noisy metric into struct of metrics that is reported every 10s (#33635)

rpc/src/rpc_pubsub_service.rs

@@ -18,7 +18,7 @@ use {
         net::SocketAddr,
         str,
         sync::{
-            atomic::{AtomicUsize, Ordering},
+            atomic::{AtomicU64, AtomicUsize, Ordering},
             Arc,
         },
         thread::{self, Builder, JoinHandle},
@@ -132,6 +132,7 @@ struct SentNotificationStats {
     num_root: AtomicUsize,
     num_vote: AtomicUsize,
     num_block: AtomicUsize,
+    total_creation_to_queue_time_us: AtomicU64,
     last_report: AtomicInterval,
 }
 
@@ -185,6 +186,12 @@ impl SentNotificationStats {
                     self.num_block.swap(0, Ordering::Relaxed) as i64,
                     i64
                 ),
+                (
+                    "total_creation_to_queue_time_us",
+                    self.total_creation_to_queue_time_us
+                        .swap(0, Ordering::Relaxed) as i64,
+                    i64
+                )
             );
         }
     }
@@ -197,6 +204,7 @@ struct BroadcastHandler {
 
 fn increment_sent_notification_stats(
     params: &SubscriptionParams,
+    notification: &RpcNotification,
     stats: &Arc<SentNotificationStats>,
 ) {
     match params {
@@ -228,6 +236,11 @@ fn increment_sent_notification_stats(
             stats.num_block.fetch_add(1, Ordering::Relaxed);
         }
     }
+    stats.total_creation_to_queue_time_us.fetch_add(
+        notification.created_at.elapsed().as_micros() as u64,
+        Ordering::Relaxed,
+    );
+
     stats.maybe_report();
 }
 
@@ -245,17 +258,10 @@ impl BroadcastHandler {
             .current_subscriptions
             .entry(notification.subscription_id)
         {
-            increment_sent_notification_stats(entry.get().params(), &self.sent_stats);
-
-            let time_since_created = notification.created_at.elapsed();
-
-            datapoint_info!(
-                "pubsub_notifications",
-                (
-                    "created_to_queue_time_us",
-                    time_since_created.as_micros() as i64,
-                    i64
-                ),
+            increment_sent_notification_stats(
+                entry.get().params(),
+                &notification,
+                &self.sent_stats,
             );
 
             if notification.is_final {