more initial checking of stats
[gem5.git] / util / tracediff
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;
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
32 if (@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
51 print "Executing $fullcmd\n";
52 system($fullcmd);
53
54
55