1#!/usr/bin/perl -w
2
3# Copyright (C) 2007 Apple Inc. 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
7# are met:
8# 1. Redistributions of source code must retain the above copyright
9#    notice, this list of conditions and the following disclaimer.
10# 2. Redistributions in binary form must reproduce the above copyright
11#    notice, this list of conditions and the following disclaimer in the
12#    documentation and/or other materials provided with the distribution.
13#
14# THIS SOFTWARE IS PROVIDED BY APPLE COMPUTER, INC. ``AS IS'' AND ANY
15# EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
16# IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
17# PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL APPLE COMPUTER, INC. OR
18# CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
19# EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
20# PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
21# PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
22# OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
23# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
24# OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 
25
26use strict;
27use Getopt::Long;
28use File::Basename;
29
30my $showHelp = 0;
31my $jsShellPath;
32my $suite = "";
33my $ubench = 0;
34my $v8suite = 0;
35my $parseOnly = 0;
36
37my $programName = basename($0);
38my $usage = <<EOF;
39Usage: $programName --shell=[path] [options] FILE FILE
40  --help        Show this help message
41  --shell       Path to javascript shell
42  --suite           Select a specific benchmark suite. The default is sunspider-1.0
43  --ubench          Use microbenchmark suite instead of regular tests. Same as --suite=ubench
44  --v8-suite        Use the V8 benchmark suite. Same as --suite=v8-v4
45  --parse-only  Compare the parse-only benchmark results
46EOF
47
48GetOptions('shell=s' => \$jsShellPath,
49           'suite=s' => \$suite,
50           'ubench' => \$ubench,
51           'v8-suite' => \$v8suite,
52           'parse-only' => \$parseOnly,
53           'help' => \$showHelp);
54
55$suite = "ubench" if ($ubench);
56$suite = "v8-v4" if ($v8suite);
57$suite = "parse-only" if ($parseOnly);
58$suite = "sunspider-1.0" if (!$suite);
59
60my $resultDirectory = "${suite}-results";
61
62if ((scalar @ARGV != 0 && scalar @ARGV != 2) || !$jsShellPath || $showHelp) {
63   print STDERR $usage;
64   exit 1;
65}
66
67sub readResultsFile($)
68{
69    my ($filename) = @_;
70    open FILE, "<", $filename or die;
71    my $foundStart = 0;
72    my $foundOutput = 0;
73    my $foundEnd = 0;
74    my $result = "";
75    while (<FILE>) {
76        if (!$foundStart) {
77            if (/^\[\{$/) {
78                $foundStart = 1;
79                $result .= $_;
80            } elsif (/^var \w+ = \[$/) {
81                $foundOutput = 1;
82            } elsif ($foundOutput && /^\{$/) {
83                $foundOutput = 0;
84                $foundStart = 1;
85                $result = "[{\n";
86            }
87        } else {
88            if (/\];?$/) {
89                $foundEnd = 1;
90                chomp;
91                s/;$//;
92                $result .= $_;
93                last;
94            } else {
95                $result .= $_;
96            }
97        } 
98    }
99    close FILE;
100
101    die "Cound not find data in ${filename} - needs to start with [{" unless $foundStart;
102    die "Cound not find data in ${filename} - needs to end with }]" unless $foundEnd;
103
104    return $result;
105}
106
107sub dumpToFile($$)
108{
109    my ($contents, $path) = @_;
110    open FILE, ">", $path or die;
111    print FILE $contents;
112    close FILE;
113}
114
115sub readFile($)
116{
117    my ($path) = @_;
118    open FILE, "<", $path or die;
119    my $result = <FILE>;
120    close FILE;
121    return $result;
122}
123
124sub newestFile($$)
125{
126    my ($dir, $pattern) = @_;
127
128    my $newestAge;
129    my $newestFile = "";
130    opendir DIR, $dir or die;
131    for my $file (readdir DIR) {
132        if ($file =~ $pattern) {
133            my $age = -M "$dir/$file";
134            if (!defined $newestAge || $age < $newestAge) {
135                $newestFile = $file;
136                $newestAge = $age;
137            }
138        }
139    }
140    closedir DIR;
141
142    return "$dir/$newestFile";
143}
144
145my $file1;
146my $file2;
147
148if (scalar @ARGV == 2) {
149    $file1 = $ARGV[0];
150    $file2 = $ARGV[1];
151} else {
152    $file1 = readFile("$resultDirectory/baseline-filename.txt");
153    $file2 = newestFile("$resultDirectory", qr/sunspider-results-.+\.js$/);
154}
155
156my $output = "var output1 = " . readResultsFile($file1) . ";\n";
157$output .= "var output2 = " . readResultsFile($file2) . ";\n";
158
159dumpToFile($output, "$resultDirectory/sunspider-comparison-data.js");
160
161system($jsShellPath, "-f", "$resultDirectory/sunspider-test-prefix.js", "-f", "$resultDirectory/sunspider-comparison-data.js", "-f", "resources/sunspider-compare-results.js", "-f", "resources/sunspider-standalone-compare.js");
162