Run Report
Run #51ec243650361: 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_exists633 73.8% 22,634 0.8% 23,205 0.8% 2,134,240 10.7% 1,485,584 7.4%
Exclusive Metrics for Current Function1,408 6.2% 1,798 7.7% -16,104 -0.8% 8,648 0.6%
Parent functions
Drupal\Component\Datetime\DateTimePlus::canUseIntl82 13.0% 16,053 70.9% 16,119 69.5% 6,560 0.3% 6,432 0.4%
Drupal\Component\Plugin\Factory\DefaultFactory::getPluginClass94 14.8% 3,680 16.3% 3,782 16.3% 1,422,000 66.6% 938,616 63.2%
Drupal\Core\Entity\EntityManager::getControllerClass17 2.7% 1,321 5.8% 1,339 5.8% 359,688 16.9% 256,248 17.2%
Drupal\Core\Database\Connection::getDriverClass5 0.8% 987 4.4% 993 4.3% 312,256 14.6% 254,632 17.1%
Doctrine\Common\Annotations\DocParser::classExists311 49.1% 311 1.4% 544 2.3% 808 0.0% 56 0.0%
Drupal\Core\Config\Context\ConfigContextFactory::get1 0.2% 78 0.3% 80 0.3% 17,472 0.8% 18,064 1.2%
Drupal\Core\Controller\ControllerResolver::createController1 0.2% 71 0.3% 74 0.3% 10,680 0.5% 9,312 0.6%
file_stream_wrapper_valid_scheme54 8.5% 64 0.3% 124 0.5% 792 0.0% 0 0.0%
file_stream_wrapper_get_instance_by_uri54 8.5% 54 0.2% 118 0.5% 792 0.0% 0 0.0%
Drupal\Core\Template\TwigEnvironment::loadTemplate10 1.6% 10 0.0% 21 0.1% 808 0.0% 728 0.0%
file_stream_wrapper_get_instance_by_scheme1 0.2% 2 0.0% 4 0.0% 800 0.0% 0 0.0%
Drupal\Core\DrupalKernel::initializeContainer2 0.3% 2 0.0% 5 0.0% 800 0.0% 712 0.0%
_drupal_simpletest_conf_path1 0.2% 1 0.0% 2 0.0% 784 0.0% 784 0.1%
Child functions
Symfony\Component\ClassLoader\ClassLoader::loadClass82 38.0% 14,686 64.9% 14,750 63.6% 9,400 0.4% 4,896 0.3%
Symfony\Component\ClassLoader\ApcClassLoader::loadClass134 62.0% 6,540 28.9% 6,657 28.7% 2,140,944 100.3% 1,472,040 99.1%