diff --git a/easytier/src/peers/peer_manager.rs b/easytier/src/peers/peer_manager.rs
index e081995a..f85beaef 100644
--- a/easytier/src/peers/peer_manager.rs
+++ b/easytier/src/peers/peer_manager.rs
@@ -1718,6 +1718,7 @@ impl PeerManager {
         Ok(())
     }
 
+    #[cfg_attr(feature = "hotpath", hotpath::measure(impl_type = "PeerManager"))]
     pub async fn send_msg_by_ip(
         &self,
         mut msg: ZCPacket,
diff --git a/easytier/src/tunnel/mpsc.rs b/easytier/src/tunnel/mpsc.rs
index 32c2dcfa..e131d66b 100644
--- a/easytier/src/tunnel/mpsc.rs
+++ b/easytier/src/tunnel/mpsc.rs
@@ -19,6 +19,7 @@ use futures::SinkExt;
 pub struct MpscTunnelSender(Sender<ZCPacket>);
 
 impl MpscTunnelSender {
+    #[cfg_attr(feature = "hotpath", hotpath::measure(impl_type = "MpscTunnelSender"))]
     pub async fn send(&self, item: ZCPacket) -> Result<(), TunnelError> {
         match self.0.try_send(item) {
             Ok(()) => Ok(()),