Reduce verbosity in example; name toplevel task

examples/tokio_console.rs

@@ -13,7 +13,8 @@
 use miette::Result;
 use tokio::time::{sleep, Duration};
 use tokio_graceful_shutdown::{FutureExt, SubsystemBuilder, SubsystemHandle, Toplevel};
-use tracing_subscriber::prelude::*;
+use tracing::Level;
+use tracing_subscriber::{fmt::writer::MakeWriterExt, prelude::*};
 
 async fn child(subsys: SubsystemHandle) -> Result<()> {
     sleep(Duration::from_millis(3000))
@@ -47,7 +48,11 @@ async fn main() -> Result<()> {
     let console_layer = console_subscriber::spawn();
     tracing_subscriber::registry()
         .with(console_layer)
-        .with(tracing_subscriber::fmt::layer().compact())
+        .with(
+            tracing_subscriber::fmt::layer()
+                .with_writer(std::io::stdout.with_max_level(Level::DEBUG))
+                .compact(),
+        )
         .init();
 
     // Setup and execute subsystem tree

src/subsystem/subsystem_handle.rs

@@ -82,7 +82,11 @@ impl<ErrType: ErrTypeTraits> SubsystemHandle<ErrType> {
         Err: Into<ErrType>,
     {
         self.start_with_abs_name(
-            Arc::from(format!("{}/{}", self.inner.name, builder.name)),
+            if self.inner.name.as_ref() == "/" {
+                Arc::from(format!("/{}", builder.name))
+            } else {
+                Arc::from(format!("{}/{}", self.inner.name, builder.name))
+            },
             builder.subsystem,
             ErrorActions {
                 on_failure: Atomic::new(builder.failure_action),

src/toplevel.rs

@@ -78,7 +78,7 @@ impl<ErrType: ErrTypeTraits> Toplevel<ErrType> {
         });
 
         let toplevel_subsys = root_handle.start_with_abs_name(
-            Arc::from(""),
+            Arc::from("/"),
             move |s| async move {
                 subsystem(s).await;
                 Result::<(), ErrType>::Ok(())