gistfile1.txt

#!/usr/bin/env perl

#-------------------------------------------------------------------
# WebGUI is Copyright 2001-2009 Plain Black Corporation.
#-------------------------------------------------------------------
# Please read the legal notices (docs/legal.txt) and the license
# (docs/license.txt) that came with this distribution before using
# this software.
#-------------------------------------------------------------------
# http://www.plainblack.com                     info@plainblack.com
#-------------------------------------------------------------------
use strict;
use File::Basename ();
use File::Spec;

my $webguiRoot;
BEGIN {
    $webguiRoot = File::Spec->rel2abs(File::Spec->catdir(File::Basename::dirname(__FILE__), File::Spec->updir));
    unshift @INC, File::Spec->catdir($webguiRoot, 'lib');
}

$|++; # disable output buffering

our ($configFile, $help, $man, $class);
use Pod::Usage;
use Getopt::Long;
use WebGUI::Session;
use Devel::Gladiator qw( walk_arena arena_table );
use Devel::Size qw( total_size );

# Get parameters here, including $help
GetOptions(
    'configFile=s'  => \$configFile,
    'help'          => \$help,
    'man'           => \$man,
    'class=s'       => \$class,
);

pod2usage( verbose => 1 ) if $help;
pod2usage( verbose => 2 ) if $man;
pod2usage( msg => "Must specify a config file!" ) unless $configFile;  

foreach my $libDir ( readLines( "preload.custom" ) ) {
    if ( !-d $libDir ) {
        warn "WARNING: Not adding lib directory '$libDir' from preload.custom: Directory does not exist.\n";
        next;
    }
    unshift @INC, $libDir;
}

my $session = start( $webguiRoot, $configFile );

open(my $null, ">:utf8","/dev/null");
$session->output->setHandle($null);

printf '%22s %18s %12s %8s %8s %s'."\n", 'Asset ID', 'Instanciate Time', 'Render Time', "M Inst", "M View", 'URL'; 

my $count = 0;
my @assetIds = $session->db->buildArray("select assetId from asset where className=? and state='published'",[$class]);
close($null);
finish( $session );
my $memory_used_inst = 0;
my $memory_used_view = 0;
#my $memory_size = total_size( walk_arena );
for my $id ( @assetIds ) {
    # Fork to preserve memory usage of parent process
    if ( fork ) { wait } else {
        my $session = start( $webguiRoot, $configFile );

        open(my $null, ">:utf8","/dev/null");
        $session->output->setHandle($null);

        #my $memory_used_begin = $memory_size;
        $count++;
        print $id;
        
        # check instanciation time
        my $t = [Time::HiRes::gettimeofday];
        my $asset = eval { WebGUI::Asset->new($session, $id, $class)};
        if (!defined $asset || $@) {
            my $url = $session->db->quickScalar("select url from assetData where assetId=? order by revisionDate desc",[$id]); 
            print "\tbad asset: $@ \t url: $url \n"; 
            next;
        }
        my $instanciation = Time::HiRes::tv_interval($t);
        #$memory_size = total_size( walk_arena );
        $memory_used_inst = total_size( $session ) + total_size( $asset );
        
        # set the default asset for those things that need it
        $session->asset($asset);

        # check render time
        $t = [Time::HiRes::gettimeofday];
        eval {my $junk = $asset->www_view};
        my $rendering = Time::HiRes::tv_interval($t);
        if ($@) {
            $rendering = $@;
        }
        #$memory_size = total_size( walk_arena );
        $memory_used_view = total_size( $session ) + total_size( $asset );

        # get the url
        my $url =  $asset->getValue("url"); 
        
        # output the results
        printf " %18.4f %12.4f %8i %8i %s\n", $instanciation, $rendering , $memory_used_inst, $memory_used_view, $url; 
        close($null);
        finish($session);
        exit;
    }
}

print arena_table;

#----------------------------------------------------------------------------
sub start {
    my $webguiRoot  = shift;
    my $configFile  = shift;
    my $session = WebGUI::Session->open($webguiRoot,$configFile);
    $session->user({userId=>3});

    return $session;
}

#----------------------------------------------------------------------------
sub finish {
    my $session = shift;

    $session->var->end;
    $session->close;
}

#-------------------------------------------------
sub readLines {
    my $file = shift;
    my @lines;
    if (open(my $fh, '<', $file)) {
        while (my $line = <$fh>) {
            $line =~ s/#.*//;
            $line =~ s/^\s+//;
            $line =~ s/\s+$//;
            next if !$line;
            push @lines, $line;
        }
        close $fh;
    }
    return @lines;
}

__END__

=head1 NAME

classLoadTest.pl -- Test a single class performance

=head1 SYNOPSIS

 classLoadTest.pl --configFile config.conf --class=<>

 classLoadTest.pl --help

=head1 DESCRIPTION

This script will test the time it takes to instanciate and view all the 
assets of a particular class from the given site.

=head1 OPTIONS

=over

=item B<--configFile config.conf>

The WebGUI config file to use. Only the file name needs to be specified,
since it will be looked up inside WebGUI's configuration directory.
This parameter is required.

=item B<--class>

The full class name of the asset to test. Something like WebGUI::Asset::Wobject::Layout
or WebGUI::Asset::Wobject::Navigation.

=item B<--help>

Shows a short summary and usage

=item B<--man>

Shows this document

=back

=head1 AUTHOR

Copyright 2001-2009 Plain Black Corporation.

=cut

#vim:ft=perl