erase remote ID if name is overwritten

src/runtime/src/comms.rs

@@ -323,7 +323,7 @@ async fn handle_run_kernel(
                     .await;
             }
             kernel::Message::DmaPutRequest(recorder) => {
-                let _id = rtio_dma::put_record(recorder);
+                let _id = rtio_dma::put_record(aux_mutex, routing_table, timer, recorder).await;
                 #[cfg(has_drtio)]
                 rtio_dma::remote_dma::upload_traces(aux_mutex, routing_table, timer, _id).await;
             }

src/runtime/src/rtio_dma.rs

@@ -293,7 +293,11 @@ pub mod remote_dma {
 }
 
 
-pub fn put_record(mut recorder: DmaRecorder) -> u32 {
+pub async fn put_record(_aux_mutex: &Rc<Mutex<bool>>, 
+    _routing_table: &RoutingTable, 
+    _timer: GlobalTimer,
+    mut recorder: DmaRecorder,
+) -> u32 {
     #[cfg(has_drtio)]
     let mut remote_traces: BTreeMap<u8, Vec<u8>> = BTreeMap::new();
     
@@ -338,12 +342,17 @@ pub fn put_record(mut recorder: DmaRecorder) -> u32 {
 
     let ptr = recorder.buffer[padding..].as_ptr() as u32;
 
-    DMA_RECORD_STORE
+    let _old_record = DMA_RECORD_STORE
     .lock()
     .insert(recorder.name, (ptr, recorder.buffer, recorder.duration));
 
     #[cfg(has_drtio)]
-    remote_dma::add_traces(ptr, remote_traces);
+    {
+        if let Some((old_id, _v, _d)) = _old_record {
+            remote_dma::erase(_aux_mutex, _routing_table, _timer, old_id).await;
+        }
+        remote_dma::add_traces(ptr, remote_traces);
+    }
 
     ptr
 }