zte's code,first commit

Change-Id: I9a04da59e459a9bc0d67f101f700d9d7dc8d681b
diff --git a/ap/app/busybox/src/scripts/memusage b/ap/app/busybox/src/scripts/memusage
new file mode 100755
index 0000000..4ef5608
--- /dev/null
+++ b/ap/app/busybox/src/scripts/memusage
@@ -0,0 +1,16 @@
+#!/bin/sh
+
+busybox=../busybox
+
+i=4000
+echo "Before we started $i copies of '$busybox sleep 10':"
+$busybox nmeter '%t %[pn] %m' | head -3
+
+while test $i != 0; do
+    $busybox sleep 10 &
+    i=$((i-1))
+done
+sleep 1
+
+echo "After:"
+$busybox nmeter '%t %[pn] %m' | head -3