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