tracediff revision 247 
1#! /usr/bin/env perl
2# Copyright (c) 2003 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
11# documentation and/or other materials provided with the distribution;
12# neither the name of the copyright holders nor the names of its
13# contributors may be used to endorse or promote products derived from
14# this software without specific prior written permission.
15#
16# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
17# "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
18# LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
19# A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
20# OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
21# SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
22# LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
23# DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
24# THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
25# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
26# OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
27#
28# Authors: Steve Reinhardt
29
30# Script to simplify using rundiff on trace outputs from two invocations of m5.
31
32if (@ARGV < 2) {
33    die "Usage: tracediff sim1 sim2 [args...]\n";
34}
35
36# First two args are the two simulator binaries to compare
37$sim1 = shift;
38$sim2 = shift;
39
40# Everything else on the command line is taken to be an m5 argument to
41# be given to both invocations
42$simargs = join(' ', @ARGV);
43
44$cmd1 = "$sim1 $simargs --stats:file=tracediff-$$-1.stats 2>&1 |";
45$cmd2 = "$sim2 $simargs --stats:file=tracediff-$$-2.stats 2>&1 |";
46
47# This only works if you have rundiff in your path.  I just edit it
48# with an explicit path if necessary.
49$fullcmd = "rundiff '$cmd1' '$cmd2' 2>&1 > tracediff-$$.out";
50
51print "Executing $fullcmd\n";
52system($fullcmd);
53
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