--- a/dom/bindings/Codegen.py
+++ b/dom/bindings/Codegen.py
@@ -15563,16 +15563,17 @@ class CGCallback(CGClass):
         errorReturn = method.getDefaultRetval()
 
         setupCall = fill(
             """
             MOZ_ASSERT(!aRv.Failed(), "Don't pass an already-failed ErrorResult to a callback!");
             if (!aExecutionReason) {
               aExecutionReason = "${executionReason}";
             }
+            AUTO_PROFILER_LABEL("${executionReason}", JS);
             CallSetup s(this, aRv, aExecutionReason, aExceptionHandling, aRealm);
             if (!s.GetContext()) {
               MOZ_ASSERT(aRv.Failed());
               return${errorReturn};
             }
             """,
             errorReturn=errorReturn,
             executionReason=method.getPrettyName())