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|
#!/usr/bin/env perl
require 5.008;
use warnings;
use strict;
use File::Basename;
use Time::HiRes qw(gettimeofday tv_interval);
use File::Path qw(make_path);
my $whoami = basename($0);
$| = 1;
# [ name, [ args ] ]
my @tests = (
['no arguments', []],
['split pages', ['--split-pages', '--remove-unreferenced-resources=no']],
['shared resource check', ['--split-pages', '--remove-unreferenced-resources=auto']],
['linearize', ['--linearize']],
['encrypt', ['--encrypt', 'u', 'o', '256', '--']],
);
# If arg is not found in help output, look here. If not here, skip test.
# { new => old } -- if new is not found, replace with old; if old is
# if old is empty, remove argument
my %arg_compat = (
'--remove-unreferenced-resources=no' => '--preserve-unreferenced-resources',
'--remove-unreferenced-resources=yes' => '',
'--remove-unreferenced-resources=auto' => undef,
);
my $executable = undef;
my $test_dir = undef;
my $test_file = undef;
my $workdir = undef;
my $maxtime = undef;
my $default_executable = 'qpdf/build/qpdf';
my $default_test_dir = '../performance-test-files';
my $default_test_file = undef;
my $default_workdir = 'qpdf/build/perf';
my $default_maxtime = 20;
sub usage
{
die "
Usage: $whoami [ args ]
--dir dir test on all files in dir (default: $default_test_dir)
--file file test only on the named file
--executable qpdf use the specified qpdf (default: $default_executable)
--workdir where to write output pdfs (default: $default_workdir)
--maxtime maximum time for a test; 0 means unlimited (default: $default_maxtime)
";
}
while (@ARGV)
{
my $arg = shift(@ARGV);
if ('--dir' eq $arg)
{
usage() unless @ARGV;
$test_dir = shift(@ARGV);
$test_file = undef;
}
elsif ('--file' eq $arg)
{
usage() unless @ARGV;
$test_file = shift(@ARGV);
$test_dir = undef;
}
elsif ('--executable' eq $arg)
{
usage() unless @ARGV;
$executable = shift(@ARGV);
}
elsif ('--workdir' eq $arg)
{
usage() unless @ARGV;
$workdir = shift(@ARGV);
}
elsif ('--maxtime' eq $arg)
{
usage() unless @ARGV;
$maxtime = shift(@ARGV);
}
else
{
usage();
}
}
if ((! defined $test_dir) && (! defined $test_file))
{
$test_dir = $default_test_dir;
}
if (! defined $executable)
{
$executable = $default_executable;
}
if (! defined $workdir)
{
$workdir = $default_workdir;
}
if (! defined $maxtime)
{
$maxtime = $default_maxtime;
}
my @test_files = ();
if (defined $test_file)
{
push(@test_files, $test_file);
}
else
{
opendir(D, $test_dir) or
die "$whoami: can't open directory $test_dir: $!\n";
my @entries = readdir(D);
closedir(D);
for (sort @entries)
{
push(@test_files, "$test_dir/$_") unless (('.' eq $_) || ('..' eq $_));
}
}
run_tests();
sub filter_args
{
my $args = shift;
my $help = `$executable --help`;
my $new_args = [];
foreach my $arg (@$args)
{
my $to_check = $arg;
$to_check =~ s/=.*$//;
if (index($help, $to_check) == -1)
{
my $new_arg = $arg_compat{$arg};
if (! defined $new_arg)
{
return undef;
}
if ($new_arg ne '')
{
print " replacing $arg with $new_arg\n";
push(@$new_args, $new_arg);
}
}
else
{
push(@$new_args, $arg);
}
}
$new_args;
}
sub run_tests
{
my $args = shift;
chomp(my $commit = `git describe @`);
print "commit: $commit\n";
make_path($workdir);
foreach my $test (@tests)
{
my ($name, $args) = @$test;
print " test: $name\n";
$args = filter_args($args);
if (! defined $args)
{
print " skipping (unknown arguments)\n";
next;
}
foreach my $file (@test_files)
{
my $time = run_test($file, $args);
if (defined $time)
{
print " $time " . basename($file) ."\n";
}
else
{
print " $file skipped\n";
}
}
}
}
sub run_test
{
my ($file, $args) = @_;
my $iterations = 20;
my @cmd = ($executable, @$args, $file, "$workdir/out.pdf");
# Run once and discard to update caches
system("sync");
system(@cmd);
my $i = 0;
my $total = 0;
while ($i < $iterations)
{
my $start = [gettimeofday];
my $r = system(@cmd);
if ($r == 2)
{
# interrupt
exit(2);
}
my $end = [gettimeofday];
if ($r != 0)
{
print " command failed; ignoring results\n";
return undef;
}
my $elapsed = tv_interval($start, $end);
$total += $elapsed;
++$i;
if (($maxtime > 0) && ($total >= $maxtime) && ($i >= 3))
{
# This is taking too long, so take what we have
last;
}
}
return sprintf("%0.4f", $total / $i);
}
|
