diff -rup qemu-kvm-1.0.1/scripts/tracetool foo/scripts/tracetool
--- qemu-kvm-1.0.1/scripts/tracetool	2012-04-16 22:15:17.000000000 -0400
+++ foo/scripts/tracetool	2012-07-29 20:46:52.628797169 -0400
@@ -499,6 +499,12 @@ EOF
         # 'limit' is a reserved keyword
         if [ "$arg" = "limit" ]; then
           arg="_limit"
+        if [ "$arg" = "in" ]; then
+          arg="_in"
+        if [ "$arg" = "next" ]; then
+          arg="_next"
+        if [ "$arg" = "self" ]; then
+          arg="_self"
         fi
         cat <<EOF
   $arg = \$arg$i;