MediaWiki: Add --profile-tests to phpunit.php

gistfile1.txt

From 5a02248b9e8671ac80a657c2c53229c688f033dd Mon Sep 17 00:00:00 2001
From: Marius Hoch <hoo@online.de>
Date: Sun, 21 Feb 2016 21:38:41 +0100
Subject: [PATCH] Add --profile-tests to phpunit.php

Change-Id: I4c9fcd6b90151b5b3b3dff65bfc0ce8589b7da7b
---
 tests/phpunit/phpunit.php | 29 +++++++++++++++++++++++++++++
 1 file changed, 29 insertions(+)

diff --git a/tests/phpunit/phpunit.php b/tests/phpunit/phpunit.php
index 66e8182..6d5cc2a 100755
--- a/tests/phpunit/phpunit.php
+++ b/tests/phpunit/phpunit.php
@@ -48,6 +48,13 @@ class PHPUnitMaintClass extends Maintenance {
 			false,
 			true
 		);
+		$this->addOption(
+			'profile-tests',
+			'Output profiling information after the test run (using Xhprof).',
+			false, # not required
+			false # no arg needed
+		);
+
 		$this->addOption( 'file', 'File describing parser tests.', false, true );
 		$this->addOption( 'use-filebackend', 'Use filebackend', false, true );
 		$this->addOption( 'use-bagostuff', 'Use bagostuff', false, true );
@@ -298,4 +305,26 @@ echo defined( 'HHVM_VERSION' ) ?
 	'Using HHVM ' . HHVM_VERSION . ' (' . PHP_VERSION . ")\n" :
 	'Using PHP ' . PHP_VERSION . "\n";
 
+$key = array_search( '--profile-tests', $_SERVER['argv'] );
+if ( $key ) {
+	$params = [
+		'threshold' => $wgProfileLimit,
+		'class' => defined( 'XHPROF_FLAGS_NO_BUILTINS' ) ? 'ProfilerXhprof' : 'ProfilerStub',
+		'output' => []
+	];
+	$params = array_merge( $params, $wgProfiler );
+
+	$profiler = new ProfilerXhprof( $params );
+
+	register_shutdown_function( function() use ( $profiler ) {
+		echo "\n\n";
+		echo $profiler->getOutput() . PHP_EOL;
+	} );
+
+	Profiler::replaceStubInstance( $profiler );
+
+	unset( $_SERVER['argv'][$key] );
+	$_SERVER['argv'] = array_values( $_SERVER['argv'] );
+}
+
 PHPUnit_TextUI_Command::main();
-- 
2.5.0

phpunit.php is a Maintenance script and already has: --profiler: Profiler output format (usually "text") :-}

Might want to teach Maintenance to accept XHPROF though it might already.