Index: generic/nsf.c
===================================================================
diff -u -re1c25b411ed784b0f32610f04d2d7188f9cca418 -r453ad27418d60f0ab744ae4ac911bcd5e2505140
--- generic/nsf.c	(.../nsf.c)	(revision e1c25b411ed784b0f32610f04d2d7188f9cca418)
+++ generic/nsf.c	(.../nsf.c)	(revision 453ad27418d60f0ab744ae4ac911bcd5e2505140)
@@ -561,7 +561,7 @@
 
     Tcl_DStringInit(&ds);
     va_start(ap, fmt);
-    NsfDStringPrintf(&ds, fmt, ap);
+    NsfDStringVPrintf(&ds, fmt, ap);
     va_end(ap);
 
     Tcl_DStringInit(&cmdString);
@@ -16188,10 +16188,7 @@
 
 #if defined(NSF_PROFILE)
   if (rst->doTrace) {
-    NsfProfile *profilePtr = &RUNTIME_STATE(interp)->profile;
-
-    profilePtr->depth ++;
-    NsfLog(interp, NSF_LOG_NOTICE, "call(%d): %s", profilePtr->depth, fullMethodName);
+    NsfProfileTraceCallAppend(interp, fullMethodName);
   }
 #endif
 
@@ -19901,7 +19898,7 @@
   Tcl_DStringInit(&ds);
 
   va_start(ap, fmt);
-  NsfDStringPrintf(&ds, fmt, ap);
+  NsfDStringVPrintf(&ds, fmt, ap);
   va_end(ap);
 
   if (tcd->onerror != NULL) {