diff --git a/extuner.conf b/extuner.conf
index 55b1787dba495e3ef0804b939d63de8666faad8f..35c2ad89fa31cbbcd2e4dd7d18e9c5652d962330 100644
--- a/extuner.conf
+++ b/extuner.conf
@@ -18,6 +18,14 @@
             {
                 "interval" : 3,
                 "times" : 5
+            },
+            "Disk" :
+            {
+                "interval" : 3,
+                "times" : 5,
+                "enable_blktrace" : 0,
+                "seconds" : 10,
+                "dev" : "/dev/sda"
             }
         }
     }