1#! /usr/bin/env perl
2# Copyright (c) 2003-2006 The Regents of The University of Michigan
3# All rights reserved.
4#
5# Redistribution and use in source and binary forms, with or without
6# modification, are permitted provided that the following conditions are
7# met: redistributions of source code must retain the above copyright
8# notice, this list of conditions and the following disclaimer;
9# redistributions in binary form must reproduce the above copyright
10# notice, this list of conditions and the following disclaimer in the

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55# If you want to compare two different simulator binaries, put a '|'
56# in the first script argument ("path1/m5.opt|path2/m5.opt"). If you
57# want to add arguments to one run only, just put a '|' in with text
58# only on one side ("--onlyOn1|"). You can do this with multiple
59# arguments together too ("|-a -b -c" adds three args to the second
60# run only).
61#
62
63if (@ARGV < 2) {
64 die "Usage: tracediff \"sim1|sim2\" [common-arg \"arg1|arg2\" ...]\n";
65}
66
67foreach $arg (@ARGV) {
68 @pair = split('\|', $arg, -1); # -1 enables null trailing fields
69 if ($#pair > 0) {
70 push @cmd1, $pair[0];

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96$dir1 = "tracediff-$$-1";
97$dir2 = "tracediff-$$-2";
98mkdir($dir1) or die "Can't create dir $dir1\n";
99mkdir($dir2) or die "Can't create dir $dir2\n";
100
101$cmd1 = "$sim1 -d $dir1 $args1 2>&1 |";
102$cmd2 = "$sim2 -d $dir2 $args2 2>&1 |";
103
104# This only works if you have rundiff in your path. I just edit it
105# with an explicit path if necessary.
106$fullcmd = "rundiff '$cmd1' '$cmd2' 2>&1 > tracediff-$$.out";
107
108print "Executing $fullcmd\n";
109system($fullcmd);
110
111
112