make vm runner report time taken

core/lib/dal/src/vm_runner_dal.rs

@@ -1,4 +1,9 @@
-use zksync_db_connection::{connection::Connection, error::DalResult, instrument::InstrumentExt};
+use std::time::Instant;
+
+use zksync_db_connection::{
+    connection::Connection, error::DalResult, instrument::InstrumentExt,
+    utils::duration_to_naive_time,
+};
 use zksync_types::L1BatchNumber;
 
 use crate::Core;
@@ -68,15 +73,17 @@ impl VmRunnerDal<'_, '_> {
     pub async fn mark_protective_reads_batch_as_completed(
         &mut self,
         l1_batch_number: L1BatchNumber,
+        started_at: Instant,
     ) -> DalResult<()> {
         sqlx::query!(
             r#"
             INSERT INTO
-                vm_runner_protective_reads (l1_batch_number, created_at, updated_at)
+                vm_runner_protective_reads (l1_batch_number, created_at, updated_at, time_taken)
             VALUES
-                ($1, NOW(), NOW())
+                ($1, NOW(), NOW(), $2)
             "#,
             i64::from(l1_batch_number.0),
+            duration_to_naive_time(started_at.elapsed()),
         )
         .instrument("mark_protective_reads_batch_as_completed")
         .report_latency()

core/node/metadata_calculator/src/tests.rs

@@ -1,6 +1,12 @@
 //! Tests for the metadata calculator component life cycle.
 
-use std::{future::Future, ops, panic, path::Path, sync::Arc, time::Duration};
+use std::{
+    future::Future,
+    ops, panic,
+    path::Path,
+    sync::Arc,
+    time::{Duration, Instant},
+};
 
 use assert_matches::assert_matches;
 use itertools::Itertools;
@@ -545,7 +551,7 @@ async fn test_postgres_backup_recovery(
             .unwrap();
         storage
             .vm_runner_dal()
-            .mark_protective_reads_batch_as_completed(batch_without_metadata.number)
+            .mark_protective_reads_batch_as_completed(batch_without_metadata.number, Instant::now())
             .await
             .unwrap();
         insert_initial_writes_for_batch(&mut storage, batch_without_metadata.number).await;
@@ -575,7 +581,7 @@ async fn test_postgres_backup_recovery(
             .await
             .unwrap();
         txn.vm_runner_dal()
-            .mark_protective_reads_batch_as_completed(batch_header.number)
+            .mark_protective_reads_batch_as_completed(batch_header.number, Instant::now())
             .await
             .unwrap();
         insert_initial_writes_for_batch(&mut txn, batch_header.number).await;
@@ -812,7 +818,7 @@ pub(super) async fn extend_db_state_from_l1_batch(
             .unwrap();
         storage
             .vm_runner_dal()
-            .mark_protective_reads_batch_as_completed(batch_number)
+            .mark_protective_reads_batch_as_completed(batch_number, Instant::now())
             .await
             .unwrap();
         insert_initial_writes_for_batch(storage, batch_number).await;

core/node/vm_runner/src/impls/protective_reads.rs

@@ -1,4 +1,4 @@
-use std::sync::Arc;
+use std::{sync::Arc, time::Instant};
 
 use anyhow::Context;
 use async_trait::async_trait;
@@ -111,10 +111,11 @@ impl VmRunnerIo for ProtectiveReadsIo {
         &self,
         conn: &mut Connection<'_, Core>,
         l1_batch_number: L1BatchNumber,
+        started_at: Instant,
     ) -> anyhow::Result<()> {
         Ok(conn
             .vm_runner_dal()
-            .mark_protective_reads_batch_as_completed(l1_batch_number)
+            .mark_protective_reads_batch_as_completed(l1_batch_number, started_at)
             .await?)
     }
 }

core/node/vm_runner/src/io.rs

@@ -1,4 +1,4 @@
-use std::fmt::Debug;
+use std::{fmt::Debug, time::Instant};
 
 use async_trait::async_trait;
 use zksync_dal::{Connection, Core};
@@ -41,5 +41,6 @@ pub trait VmRunnerIo: Debug + Send + Sync + 'static {
         &self,
         conn: &mut Connection<'_, Core>,
         l1_batch_number: L1BatchNumber,
+        started_at: Instant,
     ) -> anyhow::Result<()>;
 }

core/node/vm_runner/src/output_handler.rs

@@ -2,7 +2,7 @@ use std::{
     fmt::{Debug, Formatter},
     mem,
     sync::Arc,
-    time::Duration,
+    time::{Duration, Instant},
 };
 
 use anyhow::Context;
@@ -18,7 +18,7 @@ use zksync_types::L1BatchNumber;
 
 use crate::{metrics::METRICS, VmRunnerIo};
 
-type BatchReceiver = oneshot::Receiver<JoinHandle<anyhow::Result<()>>>;
+type BatchReceiver = oneshot::Receiver<JoinHandle<anyhow::Result<Instant>>>;
 
 /// Functionality to produce a [`StateKeeperOutputHandler`] implementation for a specific L1 batch.
 ///
@@ -131,7 +131,7 @@ impl<Io: VmRunnerIo, F: OutputHandlerFactory> OutputHandlerFactory
 enum AsyncOutputHandler {
     Running {
         handler: Box<dyn StateKeeperOutputHandler>,
-        sender: oneshot::Sender<JoinHandle<anyhow::Result<()>>>,
+        sender: oneshot::Sender<JoinHandle<anyhow::Result<Instant>>>,
     },
     Finished,
 }
@@ -173,10 +173,10 @@ impl StateKeeperOutputHandler for AsyncOutputHandler {
             } => {
                 sender
                     .send(tokio::task::spawn(async move {
-                        let latency = METRICS.output_handle_time.start();
+                        let started_at = Instant::now();
                         let result = handler.handle_l1_batch(updates_manager).await;
-                        latency.observe();
-                        result
+                        METRICS.output_handle_time.observe(started_at.elapsed());
+                        result.map(|_| started_at)
                     }))
                     .ok();
                 Ok(())
@@ -243,13 +243,13 @@ impl<Io: VmRunnerIo> ConcurrentOutputHandlerFactoryTask<Io> {
                         .context("handler was dropped before the batch was fully processed")?;
                     // Wait until the handle is resolved, meaning that the `handle_l1_batch`
                     // computation has finished, and we can consider this batch to be completed
-                    handle
+                    let started_at = handle
                         .await
                         .context("failed to await for batch to be processed")??;
                     latest_processed_batch += 1;
                     let mut conn = self.pool.connection_tagged(self.io.name()).await?;
                     self.io
-                        .mark_l1_batch_as_completed(&mut conn, latest_processed_batch)
+                        .mark_l1_batch_as_completed(&mut conn, latest_processed_batch, started_at)
                         .await?;
                     METRICS
                         .last_processed_batch

core/node/vm_runner/src/tests/mod.rs

@@ -1,4 +1,9 @@
-use std::{collections::HashMap, ops, sync::Arc, time::Duration};
+use std::{
+    collections::HashMap,
+    ops,
+    sync::Arc,
+    time::{Duration, Instant},
+};
 
 use async_trait::async_trait;
 use rand::{prelude::SliceRandom, Rng};
@@ -59,6 +64,7 @@ impl VmRunnerIo for Arc<RwLock<IoMock>> {
         &self,
         _conn: &mut Connection<'_, Core>,
         l1_batch_number: L1BatchNumber,
+        _started_at: Instant,
     ) -> anyhow::Result<()> {
         self.write().await.current = l1_batch_number;
         Ok(())