diff --git a/kernel/cgroup/ifs.c b/kernel/cgroup/ifs.c
index e6419899d725b60480c9076c300fa0b7541237dc..0cd53572dac496f74612534a5faf844a0ccae1d0 100644
--- a/kernel/cgroup/ifs.c
+++ b/kernel/cgroup/ifs.c
@@ -314,6 +314,7 @@ static void tdesc_init(struct ifs_tdesc *desc, u64 freq)
 
 static void cgroup_ifs_tdesc_init(void)
 {
+	// test
 	tdesc_init(&ifs_tdesc[IFS_TIMER_CLK], NSEC_PER_SEC);
 	tdesc_init(&ifs_tdesc[IFS_TIMER_TSC], this_cpu_read(ifs_tsc_freq));
 }