00001 <?php
00010 require_once( "commandLine.inc" );
00011
00018 function benchSquid( $urls, $trials = 1 ) {
00019 $start = wfTime();
00020 for( $i = 0; $i < $trials; $i++) {
00021 SquidUpdate::purge( $urls );
00022 }
00023 $delta = wfTime() - $start;
00024 $pertrial = $delta / $trials;
00025 $pertitle = $pertrial / count( $urls );
00026 return sprintf( "%4d titles in %6.2fms (%6.2fms each)",
00027 count( $urls ), $pertrial * 1000.0, $pertitle * 1000.0 );
00028 }
00029
00034 function randomUrlList( $length ) {
00035 $list = array();
00036 for( $i = 0; $i < $length; $i++ ) {
00037 $list[] = randomUrl();
00038 }
00039 return $list;
00040 }
00041
00046 function randomUrl() {
00047 global $wgServer, $wgArticlePath;
00048 return $wgServer . str_replace( '$1', randomTitle(), $wgArticlePath );
00049 }
00050
00055 function randomTitle() {
00056 $str = '';
00057 $length = mt_rand( 1, 20 );
00058 for( $i = 0; $i < $length; $i++ ) {
00059 $str .= chr( mt_rand( ord('a'), ord('z') ) );
00060 }
00061 return ucfirst( $str );
00062 }
00063
00064 if( !$wgUseSquid ) {
00065 wfDie( "Squid purge benchmark doesn't do much without squid support on.\n" );
00066 } else {
00067 printf( "There are %d defined squid servers:\n", count( $wgSquidServers ) );
00068 #echo implode( "\n", $wgSquidServers ) . "\n";
00069 if( isset( $options['count'] ) ) {
00070 $lengths = array( intval( $options['count'] ) );
00071 } else {
00072 $lengths = array( 1, 10, 100 );
00073 }
00074 foreach( $lengths as $length ) {
00075 $urls = randomUrlList( $length );
00076 $trial = benchSquid( $urls );
00077 print "$trial\n";
00078 }
00079 }