25 require_once __DIR__ .
'/../Maintenance.php';
41 private $templateTimestamp =
null;
43 private $clearLinkCache =
false;
51 private $idCache = [];
54 parent::__construct();
56 $this->
addArg(
'title',
'The name of the page to parse' );
57 $this->
addOption(
'warmup',
'Repeat the parse operation this number of times to warm the cache',
59 $this->
addOption(
'loops',
'Number of times to repeat parse operation post-warmup',
62 'Use the version of the page which was current at the given time',
65 'Use templates which were current at the given time (except that moves and ' .
66 'deletes are not handled properly)',
68 $this->
addOption(
'reset-linkcache',
'Reset the LinkCache after every parse.',
76 $hookContainer->register(
'BeforeParserFetchTemplateRevisionRecord', [ $this,
'onFetchTemplate' ] );
79 $this->clearLinkCache = $this->
hasOption(
'reset-linkcache' );
83 $title = Title::newFromText( $this->
getArg( 0 ) );
91 $id = $this->getRevIdForTime( $title, $pageTimestamp );
93 $this->
fatalError(
"The page did not exist at that time" );
96 $revision = $revLookup->getRevisionById( (
int)$id );
98 $revision = $revLookup->getRevisionByTitle( $title );
102 $this->
fatalError(
"Unable to load revision, incorrect title?" );
105 $warmup = $this->
getOption(
'warmup', 1 );
106 for ( $i = 0; $i < $warmup; $i++ ) {
107 $this->runParser( $revision );
112 $this->
fatalError(
'Invalid number of loops specified' );
114 $startUsage = getrusage();
115 $startTime = microtime(
true );
116 for ( $i = 0; $i < $loops; $i++ ) {
117 $this->runParser( $revision );
119 $endUsage = getrusage();
120 $endTime = microtime(
true );
122 printf(
"CPU time = %.3f s, wall clock time = %.3f s\n",
124 ( $endUsage[
'ru_utime.tv_sec'] + $endUsage[
'ru_utime.tv_usec'] * 1e-6
125 - $startUsage[
'ru_utime.tv_sec'] - $startUsage[
'ru_utime.tv_usec'] * 1e-6 ) / $loops,
127 ( $endTime - $startTime ) / $loops
138 private function getRevIdForTime(
Title $title, $timestamp ) {
141 $id = $dbr->newSelectQueryBuilder()
144 ->join(
'page',
null,
'rev_page=page_id' )
146 ->andWhere(
'rev_timestamp <= ' . $dbr->addQuotes( $timestamp ) )
147 ->orderBy(
'rev_timestamp', SelectQueryBuilder::SORT_DESC )
148 ->caller( __METHOD__ )->fetchField();
163 if ( $this->clearLinkCache ) {
164 $this->linkCache->clear();
178 private function onFetchTemplate(
184 $title =
Title::newFromLinkTarget( $titleTarget );
187 if ( !isset( $this->idCache[$pdbk] ) ) {
188 $proposedId = $this->getRevIdForTime( $title, $this->templateTimestamp );
189 $this->idCache[$pdbk] = $proposedId;
191 if ( $this->idCache[$pdbk] !==
false ) {
193 $revRecord = $revLookup->getRevisionById( $this->idCache[$pdbk] );
201 require_once RUN_MAINTENANCE_IF_MAIN;
wfTimestamp( $outputtype=TS_UNIX, $ts=0)
Get a timestamp string in one of various formats.
Maintenance script to benchmark how long it takes to parse a given title at an optionally specified t...
__construct()
Default constructor.
execute()
Do the actual work.
Abstract maintenance class for quickly writing and churning out maintenance scripts with minimal effo...
getDB( $db, $groups=[], $dbDomain=false)
Returns a database to be used by current maintenance script.
addArg( $arg, $description, $required=true, $multi=false)
Add some args that are needed.
hasOption( $name)
Checks to see if a particular option was set.
getServiceContainer()
Returns the main service container.
getHookContainer()
Get a HookContainer, for running extension hooks or for hook metadata.
getArg( $argId=0, $default=null)
Get an argument.
addDescription( $text)
Set the description text.
addOption( $name, $description, $required=false, $withArg=false, $shortName=false, $multiOccurrence=false)
Add a parameter to the script.
getOption( $name, $default=null)
Get an option, or return the default.
fatalError( $msg, $exitCode=1)
Output a message and terminate the current script.