2 files changed, 14 insertions, 2 deletions

diff --git a/crates/ra_hir_ty/src/db.rs b/crates/ra_hir_ty/src/db.rs
index c43619d1c..f79faa84d 100644
--- a/crates/ra_hir_ty/src/db.rs
+++ b/crates/ra_hir_ty/src/db.rs
@@ -16,6 +16,7 @@ use crate::{
     Binders, CallableDef, GenericPredicate, InferenceResult, PolyFnSig, Substs, TraitRef, Ty,
     TyDefId, TypeCtor, ValueTyDefId,
 };
+use hir_expand::name::Name;
 
 #[salsa::query_group(HirDatabaseStorage)]
 #[salsa::requires(salsa::Database)]
@@ -111,7 +112,15 @@ pub trait HirDatabase: DefDatabase {
 }
 
 fn infer(db: &impl HirDatabase, def: DefWithBodyId) -> Arc<InferenceResult> {
-    let _p = profile("wait_infer");
+    let _p = profile("wait_infer").detail(|| match def {
+        DefWithBodyId::FunctionId(it) => db.function_data(it).name.to_string(),
+        DefWithBodyId::StaticId(it) => {
+            db.static_data(it).name.clone().unwrap_or_else(Name::missing).to_string()
+        }
+        DefWithBodyId::ConstId(it) => {
+            db.const_data(it).name.clone().unwrap_or_else(Name::missing).to_string()
+        }
+    });
     db.do_infer(def)
 }
 
diff --git a/crates/ra_hir_ty/src/traits.rs b/crates/ra_hir_ty/src/traits.rs
index bc6ee2600..bdf23ac02 100644
--- a/crates/ra_hir_ty/src/traits.rs
+++ b/crates/ra_hir_ty/src/traits.rs
@@ -221,7 +221,10 @@ pub(crate) fn trait_solve_query(
     krate: CrateId,
     goal: Canonical<InEnvironment<Obligation>>,
 ) -> Option<Solution> {
-    let _p = profile("trait_solve_query");
+    let _p = profile("trait_solve_query").detail(|| match &goal.value.value {
+        Obligation::Trait(it) => db.trait_data(it.trait_).name.to_string(),
+        Obligation::Projection(_) => "projection".to_string(),
+    });
     log::debug!("trait_solve_query({})", goal.value.value.display(db));
 
     if let Obligation::Projection(pred) = &goal.value.value {