diff --git a/testing/profile.txt b/testing/profile.txt
deleted file mode 100644
index ee56e46c09daf632eb6b45cb609d93407d09f4cf..0000000000000000000000000000000000000000
--- a/testing/profile.txt
+++ /dev/null
@@ -1,14 +0,0 @@
-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
-
-
diff --git a/testing/profile_stm32.txt b/testing/profile_stm32.txt
new file mode 100644
index 0000000000000000000000000000000000000000..178d0189ef19605604a12b9753df874d690e63ef
--- /dev/null
+++ b/testing/profile_stm32.txt
@@ -0,0 +1,52 @@
+These are profile tests for the stm32 target.
+
+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
+
+
+How to run tests:
+
+poll off
+set before [flush_count]
+step
+set step_count [expr [flush_count]-$before]
+
+set before [flush_count]
+mdb 0 128
+set mem_count [expr [flush_count]-$before]
+
+set before [flush_count]
+flash erase_address 0x8000000 0x10000
+set erase_count [expr [flush_count]-$before]
+
+set before [flush_count]
+flash fillb 0x8000000 0x55 0x10000
+set flash_fill_count [expr [flush_count]-$before]
+
+puts "counts" ; puts "step       $step_count" ; puts "mem        $mem_count" ; puts "erase      $erase_count" ; puts "flash fill $flash_fill_count" 
+
+parport trunk rev 1675
+======================
+
+step       336
+mem        160
+erase      3076
+flash fill 32754
+
+verify_ircapture disable
+
+step       114
+mem        96
+erase      1547
+flash fill 15564
+