diff --git a/src/drsnoop/drsnoop.h b/src/drsnoop/drsnoop.h
new file mode 100644
index 0000000000000000000000000000000000000000..fb2a48a314c45aac590d262a11c301ac9a03dfef
--- /dev/null
+++ b/src/drsnoop/drsnoop.h
@@ -0,0 +1,15 @@
+// SPDX-License-Identifier: (LGPL-2.1 OR BSD-2-Clause)
+#ifndef __DRSNOOP_H
+#define __DRSNOOP_H
+
+#define TASK_COMM_LEN	16
+
+struct event {
+	char task[TASK_COMM_LEN];
+	__u64 delta_ns;
+	__u64 nr_reclaimed;
+	__u64 nr_free_pages;
+	pid_t pid;
+};
+
+#endif