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-rw-r--r--compiler/rustc_query_impl/src/profiling_support.rs2
1 files changed, 2 insertions, 0 deletions
diff --git a/compiler/rustc_query_impl/src/profiling_support.rs b/compiler/rustc_query_impl/src/profiling_support.rs
index 5f989b264aa..7d80e54bf87 100644
--- a/compiler/rustc_query_impl/src/profiling_support.rs
+++ b/compiler/rustc_query_impl/src/profiling_support.rs
@@ -252,6 +252,8 @@ pub fn alloc_self_profile_query_strings(tcx: TyCtxt<'_>) {
         return;
     }
 
+    let _prof_timer = tcx.sess.prof.generic_activity("self_profile_alloc_query_strings");
+
     let mut string_cache = QueryKeyStringCache::new();
 
     for alloc in super::ALLOC_SELF_PROFILE_QUERY_STRINGS.iter() {