diff --git a/testing/profile.txt b/testing/profile.txt
new file mode 100644
index 000000000..ee56e46c0
--- /dev/null
+++ b/testing/profile.txt
@@ -0,0 +1,14 @@
+old version rev 1606:
+
+single step:   59 ms
+flash 64k :  24kB/s
+mdb 0 128 :  44ms
+
+
+trunk rev 1662:
+
+single step:   99 ms
+flash 64k :  21.5kB/s
+mdb 0 128 :  72ms
+
+