new file mode 100644
--- /dev/null
+++ b/packages/kernel/current/src/instrmnt/nullinst.cxx
@@ -0,0 +1,64 @@
+//==========================================================================
+//
+//	instrmnt/null.cxx
+//
+//	Null instrumentation functions
+//
+//==========================================================================
+//####COPYRIGHTBEGIN####
+//
+// -------------------------------------------
+// The contents of this file are subject to the Cygnus eCos Public License
+// Version 1.0 (the "License"); you may not use this file except in
+// compliance with the License.  You may obtain a copy of the License at
+// http://sourceware.cygnus.com/ecos
+// 
+// Software distributed under the License is distributed on an "AS IS"
+// basis, WITHOUT WARRANTY OF ANY KIND, either express or implied.  See the
+// License for the specific language governing rights and limitations under
+// the License.
+// 
+// The Original Code is eCos - Embedded Cygnus Operating System, released
+// September 30, 1998.
+// 
+// The Initial Developer of the Original Code is Cygnus.  Portions created
+// by Cygnus are Copyright (C) 1998 Cygnus Solutions.  All Rights Reserved.
+// -------------------------------------------
+//
+//####COPYRIGHTEND####
+//==========================================================================
+//#####DESCRIPTIONBEGIN####
+//
+// Author(s): 	nickg
+// Contributors:	nickg
+// Date:	1997-10-24
+// Purpose:	Instrumentation functions
+// Description:	The functions in this file are null implementations of the
+//              standard instrumentation functions. These can be used to
+//              eliminate all instrumentation without recompiling.
+//
+//####DESCRIPTIONEND####
+//
+//==========================================================================
+
+#include <pkgconf/kernel.h>
+
+#include <cyg/kernel/ktypes.h>             // base kernel types
+#include <cyg/infra/cyg_trac.h>            // tracing macros
+#include <cyg/infra/cyg_ass.h>             // assertion macros
+#include <cyg/kernel/instrmnt.h>           // instrumentation
+
+#ifdef CYGPKG_KERNEL_INSTRUMENT
+
+// -------------------------------------------------------------------------
+
+void cyg_instrument( cyg_uint32 type, CYG_ADDRWORD arg1, CYG_ADDRWORD arg2 )
+{
+    return;
+}
+
+// -------------------------------------------------------------------------
+
+#endif //CYGPKG_KERNEL_INSTRUMENT
+
+// EOF instrmnt/null.cxx