ProfilerOutputStats.php
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ProfilerOutputStats.php
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	<?php
	/**
	* @license GPL-2.0-or-later
	* @file
	*/

	use MediaWiki\MediaWikiServices;

	/**
	* Flush profiling data to StatsD.
	*
	* @ingroup Profiler
	* @since 1.25
	*/
	class ProfilerOutputStats extends ProfilerOutput {

	/**
	* Flush profiling data to the current profiling context's stats buffer.
	*
	* @param array[] $stats
	*/
	public function log( array $stats ) {
	$prefix = $this->params['prefix'] ?? '';
	$statsFactory = MediaWikiServices::getInstance()->getStatsFactory();
	$posCounter = $statsFactory->getCounter( 'ProfilerOutputStats_calls_total' );
	$posCpuTimer = $statsFactory->getTiming( 'ProfilerOutputStats_cpu_seconds' );
	$posRealTimer = $statsFactory->getTiming( 'ProfilerOutputStats_real_seconds' );

	foreach ( $stats as $stat ) {
	$key = $prefix ? "{$prefix}_{$stat['name']}" : "{$stat['name']}";

	// Convert fractional seconds to whole milliseconds
	$cpu = round( $stat['cpu'] * 1000 );
	$real = round( $stat['real'] * 1000 );

	$posCounter->setLabel( 'key', $key )->increment();
	$posCpuTimer->setLabel( 'key', $key )->observe( $cpu );
	$posRealTimer->setLabel( 'key', $key )->observe( $real );
	}
	}
	}