1 files changed, 30 insertions, 0 deletions
diff --git a/third_party/rust/tokio/src/runtime/metrics/mod.rs b/third_party/rust/tokio/src/runtime/metrics/mod.rs
new file mode 100644
index 0000000000..ca643a5904
--- /dev/null
+++ b/third_party/rust/tokio/src/runtime/metrics/mod.rs
@@ -0,0 +1,30 @@
+//! This module contains information need to view information about how the
+//! runtime is performing.
+//!
+//! **Note**: This is an [unstable API][unstable]. The public API of types in
+//! this module may break in 1.x releases. See [the documentation on unstable
+//! features][unstable] for details.
+//!
+//! [unstable]: crate#unstable-features
+#![allow(clippy::module_inception)]
+
+cfg_metrics! {
+    mod batch;
+    pub(crate) use batch::MetricsBatch;
+
+    mod runtime;
+    #[allow(unreachable_pub)] // rust-lang/rust#57411
+    pub use runtime::RuntimeMetrics;
+
+    mod scheduler;
+    pub(crate) use scheduler::SchedulerMetrics;
+
+    mod worker;
+    pub(crate) use worker::WorkerMetrics;
+}
+
+cfg_not_metrics! {
+    mod mock;
+
+    pub(crate) use mock::{SchedulerMetrics, WorkerMetrics, MetricsBatch};
+}