diff --git a/scripts/init.d/cgconfig b/scripts/init.d/cgconfig
index 1c60b86..fe3ff65 100644
--- a/scripts/init.d/cgconfig.in
+++ b/scripts/init.d/cgconfig.in
@@ -122,6 +122,15 @@ start() {
                     ${MOUNTPOINT[$i]}/$defaultcgroup/cpuset.mems
             fi
             #
+            # special rule for cpu
+            #
+            echo ${MOUNTOPTS[$i]} | grep -q -w cpu
+            if [ $? -eq 0 ]
+            then
+                cat ${MOUNTPOINT[$i]}/cpu.rt_runtime_us > \
+                    ${MOUNTPOINT[$i]}/$defaultcgroup/cpu.rt_runtime_us
+	    fi
+            #
             # classify everything to default cgroup
             #
             for j in `ps --no-headers -eL o tid`