diff --git a/sys/kern/init_main.c b/sys/kern/init_main.c
index 1974c4e68ce..e4cb501bc57 100644
--- a/sys/kern/init_main.c
+++ b/sys/kern/init_main.c
@@ -255,6 +255,7 @@ restart:
 	 * Perform a bubble sort of the system initialization objects by
 	 * their subsystem (primary key) and order (secondary key).
 	 */
+	TSENTER2("bubblesort");
 	for (sipp = sysinit; sipp < sysinit_end; sipp++) {
 		for (xipp = sipp + 1; xipp < sysinit_end; xipp++) {
 			if ((*sipp)->subsystem < (*xipp)->subsystem ||
@@ -266,6 +267,7 @@ restart:
 			*xipp = save;
 		}
 	}
+	TSEXIT2("bubblesort");
 
 	last = SI_SUB_COPYRIGHT;
 #if defined(VERBOSE_SYSINIT)