1#! /usr/bin/env perl
2# Copyright (c) 2003-2004 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;

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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:text_file=tracediff-$$-1.stats 2>&1 |";
45$cmd2 = "$sim2 $simargs --stats:text_file=tracediff-$$-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
54
55