3 files changed, 38 insertions, 0 deletions
diff --git a/runtime/web_worker.rs b/runtime/web_worker.rs
index 5c42d752f..3c6556da4 100644
--- a/runtime/web_worker.rs
+++ b/runtime/web_worker.rs
@@ -32,6 +32,7 @@ use deno_core::ModuleCode;
 use deno_core::ModuleId;
 use deno_core::ModuleLoader;
 use deno_core::ModuleSpecifier;
+use deno_core::OpMetricsSummaryTracker;
 use deno_core::RuntimeOptions;
 use deno_core::SharedArrayBufferStore;
 use deno_core::Snapshot;
@@ -507,6 +508,18 @@ impl WebWorker {
     #[cfg(all(feature = "include_js_files_for_snapshotting", feature = "dont_create_runtime_snapshot", not(feature = "__runtime_js_sources")))]
     options.startup_snapshot.as_ref().expect("Sources are not embedded, snapshotting was disabled and a user snapshot was not provided.");
 
+    // Hook up the summary metrics if the user or subcommand requested them
+    let (op_summary_metrics, op_metrics_factory_fn) =
+      if options.bootstrap.enable_op_summary_metrics {
+        let op_summary_metrics = Rc::new(OpMetricsSummaryTracker::default());
+        (
+          Some(op_summary_metrics.clone()),
+          Some(op_summary_metrics.op_metrics_factory_fn(|_| true)),
+        )
+      } else {
+        (None, None)
+      };
+
     // Clear extension modules from the module map, except preserve `node:*`
     // modules as `node:` specifiers.
     let preserve_snapshotted_modules =
@@ -525,9 +538,14 @@ impl WebWorker {
       inspector: options.maybe_inspector_server.is_some(),
       preserve_snapshotted_modules,
       feature_checker: Some(options.feature_checker.clone()),
+      op_metrics_factory_fn,
       ..Default::default()
     });
 
+    if let Some(op_summary_metrics) = op_summary_metrics {
+      js_runtime.op_state().borrow_mut().put(op_summary_metrics);
+    }
+
     if let Some(server) = options.maybe_inspector_server.clone() {
       server.register_inspector(
         main_module.to_string(),
diff --git a/runtime/worker.rs b/runtime/worker.rs
index 2e2910109..4775b474c 100644
--- a/runtime/worker.rs
+++ b/runtime/worker.rs
@@ -27,6 +27,7 @@ use deno_core::ModuleCode;
 use deno_core::ModuleId;
 use deno_core::ModuleLoader;
 use deno_core::ModuleSpecifier;
+use deno_core::OpMetricsSummaryTracker;
 use deno_core::RuntimeOptions;
 use deno_core::SharedArrayBufferStore;
 use deno_core::Snapshot;
@@ -324,6 +325,18 @@ impl MainWorker {
       }
     }
 
+    // Hook up the summary metrics if the user or subcommand requested them
+    let (op_summary_metrics, op_metrics_factory_fn) =
+      if options.bootstrap.enable_op_summary_metrics {
+        let op_summary_metrics = Rc::new(OpMetricsSummaryTracker::default());
+        (
+          Some(op_summary_metrics.clone()),
+          Some(op_summary_metrics.op_metrics_factory_fn(|_| true)),
+        )
+      } else {
+        (None, None)
+      };
+
     extensions.extend(std::mem::take(&mut options.extensions));
 
     #[cfg(all(feature = "include_js_files_for_snapshotting", feature = "dont_create_runtime_snapshot", not(feature = "__runtime_js_sources")))]
@@ -349,9 +362,14 @@ impl MainWorker {
       inspector: options.maybe_inspector_server.is_some(),
       is_main: true,
       feature_checker: Some(options.feature_checker.clone()),
+      op_metrics_factory_fn,
       ..Default::default()
     });
 
+    if let Some(op_summary_metrics) = op_summary_metrics {
+      js_runtime.op_state().borrow_mut().put(op_summary_metrics);
+    }
+
     if let Some(server) = options.maybe_inspector_server.clone() {
       server.register_inspector(
         main_module.to_string(),
diff --git a/runtime/worker_bootstrap.rs b/runtime/worker_bootstrap.rs
index b21b4aa21..9f2393ba4 100644
--- a/runtime/worker_bootstrap.rs
+++ b/runtime/worker_bootstrap.rs
@@ -44,6 +44,7 @@ pub struct BootstrapOptions {
   pub args: Vec<String>,
   pub cpu_count: usize,
   pub log_level: WorkerLogLevel,
+  pub enable_op_summary_metrics: bool,
   pub enable_testing_features: bool,
   pub locale: String,
   pub location: Option<ModuleSpecifier>,
@@ -79,6 +80,7 @@ impl Default for BootstrapOptions {
       cpu_count,
       no_color: !colors::use_color(),
       is_tty: colors::is_tty(),
+      enable_op_summary_metrics: Default::default(),
       enable_testing_features: Default::default(),
       log_level: Default::default(),
       ts_version: Default::default(),