diff --git a/kmod/src/item.c b/kmod/src/item.c
index cd2b6cac..3aaa9864 100644
--- a/kmod/src/item.c
+++ b/kmod/src/item.c
@@ -1037,7 +1037,7 @@ int scoutfs_item_set_batch(struct super_block *sb, struct list_head *list,
 	if (WARN_ON_ONCE(invalid_flags(sif)))
 		return -EINVAL;
 
-//	trace_scoutfs_item_set_batch(sb, start, end);
+	trace_scoutfs_item_set_batch(sb, start, end);
 
 	if (WARN_ON_ONCE(scoutfs_key_compare(start, end) > 0))
 		return -EINVAL;
diff --git a/kmod/src/scoutfs_trace.h b/kmod/src/scoutfs_trace.h
index f77cce2c..24348d6b 100644
--- a/kmod/src/scoutfs_trace.h
+++ b/kmod/src/scoutfs_trace.h
@@ -230,7 +230,7 @@ TRACE_EVENT(scoutfs_item_insertion,
         TP_printk("key %s", __get_str(key))
 );
 
-TRACE_EVENT(scoutfs_item_insert_batch,
+DECLARE_EVENT_CLASS(scoutfs_range_class,
         TP_PROTO(struct super_block *sb, struct scoutfs_key_buf *start,
 		 struct scoutfs_key_buf *end),
         TP_ARGS(sb, start, end),
@@ -245,6 +245,18 @@ TRACE_EVENT(scoutfs_item_insert_batch,
         TP_printk("start %s end %s", __get_str(start), __get_str(end))
 );
 
+DEFINE_EVENT(scoutfs_range_class, scoutfs_item_set_batch,
+	TP_PROTO(struct super_block *sb, struct scoutfs_key_buf *start,
+		 struct scoutfs_key_buf *end),
+        TP_ARGS(sb, start, end)
+);
+
+DEFINE_EVENT(scoutfs_range_class, scoutfs_item_insert_batch,
+	TP_PROTO(struct super_block *sb, struct scoutfs_key_buf *start,
+		 struct scoutfs_key_buf *end),
+        TP_ARGS(sb, start, end)
+);
+
 #define lock_mode(mode)							\
 	__print_symbolic(mode,						\
 		{ SCOUTFS_LOCK_MODE_READ,	"READ" },		\