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 <

   $arg = \$arg$i;