diff --git a/crates/ra_db/src/lib.rs b/crates/ra_db/src/lib.rs
index 875290259b..4a3ba57dab 100644
--- a/crates/ra_db/src/lib.rs
+++ b/crates/ra_db/src/lib.rs
@@ -114,7 +114,7 @@ pub trait SourceDatabase: CheckCanceled + FileLoader + std::fmt::Debug {
 }
 
 fn parse_query(db: &impl SourceDatabase, file_id: FileId) -> Parse<ast::SourceFile> {
-    let _p = profile("parse_query");
+    let _p = profile("parse_query").detail(|| format!("{:?}", file_id));
     let text = db.file_text(file_id);
     SourceFile::parse(&*text)
 }
diff --git a/crates/ra_hir_def/src/item_tree.rs b/crates/ra_hir_def/src/item_tree.rs
index c35d632952..59a4a411ae 100644
--- a/crates/ra_hir_def/src/item_tree.rs
+++ b/crates/ra_hir_def/src/item_tree.rs
@@ -65,7 +65,7 @@ pub struct ItemTree {
 
 impl ItemTree {
     pub fn item_tree_query(db: &dyn DefDatabase, file_id: HirFileId) -> Arc<ItemTree> {
-        let _p = ra_prof::profile("item_tree_query");
+        let _p = ra_prof::profile("item_tree_query").detail(|| format!("{:?}", file_id));
         let syntax = if let Some(node) = db.parse_or_expand(file_id) {
             node
         } else {