Script to compare traces side by side.

diff --git a/scripts/tracediff.sh b/scripts/tracediff.sh
new file mode 100755 (executable)
index 0000000..95ec5d2
--- /dev/null
+++ b/scripts/tracediff.sh
@@ -0,0 +1,57 @@
+#!/bin/bash
+##########################################################################
+#
+# Copyright 2011 Jose Fonseca
+# All Rights Reserved.
+#
+# Permission is hereby granted, free of charge, to any person obtaining a copy
+# of this software and associated documentation files (the "Software"), to deal
+# in the Software without restriction, including without limitation the rights
+# to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+# copies of the Software, and to permit persons to whom the Software is
+# furnished to do so, subject to the following conditions:
+#
+# The above copyright notice and this permission notice shall be included in
+# all copies or substantial portions of the Software.
+#
+# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+# IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+# FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+# AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+# LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+# OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+# THE SOFTWARE.
+#
+##########################################################################/
+
+set -e
+
+DUMP=${DUMP:-`dirname "$0"`/dump}
+
+$DUMP
+
+stripdump () {
+    # http://www.theeggeadventure.com/wikimedia/index.php/Linux_Tips#Use_sed_to_remove_ANSI_colors
+    $DUMP "$1" \
+    | sed \
+        -e 's/\x1b\[[0-9]\{1,2\}\(;[0-9]\{1,2\}\)\{0,2\}m//g' \
+        -e 's/\r$//g' \
+        -e 's/^[0-9]\+ //' \
+        -e 's/hdc = \w\+/hdc/g' \
+    | head -1000 \
+    > "$2"
+}
+
+FIFODIR=`mktemp -d`
+FIFO1="$FIFODIR/1"
+FIFO2="$FIFODIR/2"
+
+mkfifo "$FIFO1"
+mkfifo "$FIFO2"
+
+stripdump "$1" "$FIFO1" &
+stripdump "$2" "$FIFO2" &
+
+sdiff --width=`tput cols` --speed-large-files "$FIFO1" "$FIFO2" | less -R
+
+rm -rf "$FIFODIR"