diff --git a/rootdir/init.rc b/rootdir/init.rc
index 53d9f8f..b5a75d5 100644
--- a/rootdir/init.rc
+++ b/rootdir/init.rc
@@ -856,6 +856,7 @@
     # are not aware of using fsync()/sync() to prepare sudden power-cut.
     write /sys/fs/f2fs/${dev.mnt.blk.data}/cp_interval 200
     write /sys/fs/f2fs/${dev.mnt.blk.data}/gc_urgent_sleep_time 50
+    write /sys/fs/f2fs/${dev.mnt.blk.data}/iostat_enable 1
 
     # limit discard size to 128MB in order to avoid long IO latency
     # for filesystem tuning first (dm or sda)