Run Report
Run #519fd5fd12bbe: XHProf Run (Namespace=drupal-perf-drupalcon)
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Parent/Child report for class_exists [View Callgraph ]


Function NameCallsCalls%Incl. Wall Time
(microsec)		IWall%Incl. CPU
(microsecs)		ICpu%Incl.
MemUse
(bytes)		IMemUse%Incl.
PeakMemUse
(bytes)		IPeakMemUse%
Current Function
class_exists75 57.3% 4,136 2.1% 0 0.0% 985,880 7.3% 698,552 5.1%
Exclusive Metrics for Current Function182 4.4% 0 N/A% -5,144 -0.5% 8,136 1.2%
Parent functions
Drupal\Core\Entity\EntityManager::getControllerClass13 17.3% 1,657 40.1% 0 N/A% 407,920 41.4% 352,592 50.5%
Drupal\Component\Plugin\Factory\DefaultFactory::getPluginClass35 46.7% 1,256 30.4% 0 N/A% 335,088 34.0% 182,200 26.1%
Drupal\Component\Datetime\DateTimePlus::canUseIntl8 10.7% 755 18.3% 0 N/A% 1,904 0.2% 3,072 0.4%
Drupal\Core\Database\Connection::getDriverClass3 4.0% 418 10.1% 0 N/A% 220,248 22.3% 140,672 20.1%
Drupal\Core\Config\Context\ConfigContextFactory::get1 1.3% 45 1.1% 0 N/A% 17,520 1.8% 17,792 2.5%
Drupal\Core\Template\TwigEnvironment::loadTemplate6 8.0% 3 0.1% 0 N/A% 808 0.1% 728 0.1%
Drupal\Core\DrupalKernel::initializeContainer2 2.7% 1 0.0% 0 N/A% 800 0.1% 712 0.1%
_drupal_simpletest_conf_path1 1.3% 1 0.0% 0 N/A% 784 0.1% 784 0.1%
Doctrine\Common\Annotations\DocParser::classExists6 8.0% 0 0.0% 0 N/A% 808 0.1% 0 0.0%
Child functions
Symfony\Component\ClassLoader\ApcClassLoader::loadClass39 83.0% 3,276 79.2% 0 N/A% 989,832 100.4% 689,128 98.7%
Symfony\Component\ClassLoader\ClassLoader::loadClass8 17.0% 678 16.4% 0 N/A% 1,192 0.1% 1,288 0.2%