proxy: add measured-tokio

libs/metrics/Cargo.toml

@@ -18,6 +18,9 @@ workspace_hack.workspace = true
 procfs.workspace = true
 measured-process.workspace = true
 
+[target.'cfg(tokio_unstable)'.dependencies]
+measured-tokio.workspace = true
+
 [dev-dependencies]
 rand = "0.8"
 rand_distr = "0.4.3"

libs/metrics/src/lib.rs

@@ -148,6 +148,11 @@ pub struct NeonMetrics {
     #[metric(init = measured_process::ProcessCollector::for_self())]
     process: measured_process::ProcessCollector,
 
+    #[cfg(tokio_unstable)]
+    #[metric(namespace = "tokio")]
+    #[metric(init = measured_tokio::NamedRuntimesCollector::new())]
+    pub tokio: measured_tokio::NamedRuntimesCollector,
+
     #[metric(namespace = "libmetrics")]
     #[metric(init = LibMetrics::new(build_info))]
     libmetrics: LibMetrics,