Full block import benchmark (#5745)

substrate/primitives/io/src/batch_verifier.rs

@@ -117,6 +117,7 @@ impl BatchVerifier {
 		use std::sync::{Mutex, Condvar};
 
 		let pending = std::mem::replace(&mut self.pending_tasks, vec![]);
+		let started = std::time::Instant::now();
 
 		log::trace!(
 			target: "runtime",
@@ -158,6 +159,12 @@ impl BatchVerifier {
 			let _ = cond_var.wait(mtx).expect("Waiting can only fail when the mutex waited on is poisoned; qed");
 		}
 
+		log::trace!(
+			target: "runtime",
+			"Finalization of batch verification took {} ms",
+			started.elapsed().as_millis(),
+		);
+
 		!self.invalid.swap(false, AtomicOrdering::Relaxed)
 	}
 }