Run Report
Run #519e636f9416a: 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_exists274 59.3% 18,039 3.0% 18,300 3.2% 1,942,328 11.8% 1,118,488 6.6%
Exclusive Metrics for Current Function888 4.9% 1,015 5.5% -14,568 -0.8% 9,096 0.8%
Parent functions
Drupal\Component\Datetime\DateTimePlus::canUseIntl67 24.5% 11,738 65.1% 11,788 64.4% 1,904 0.1% 3,616 0.3%
Drupal\Component\Plugin\Factory\DefaultFactory::getPluginClass99 36.1% 3,898 21.6% 4,007 21.9% 1,443,904 74.3% 751,456 67.2%
Drupal\Core\Entity\EntityManager::getControllerClass13 4.7% 1,918 10.6% 1,934 10.6% 333,824 17.2% 255,760 22.9%
Drupal\Core\Database\Connection::getDriverClass1 0.4% 330 1.8% 331 1.8% 141,256 7.3% 87,800 7.8%
Drupal\Core\Config\Context\ConfigContextFactory::get1 0.4% 60 0.3% 61 0.3% 17,472 0.9% 17,592 1.6%
file_stream_wrapper_valid_scheme44 16.1% 45 0.2% 79 0.4% 784 0.0% 0 0.0%
file_stream_wrapper_get_instance_by_uri44 16.1% 44 0.2% 86 0.5% 792 0.0% 0 0.0%
Drupal\Core\DrupalKernel::initializeContainer2 0.7% 2 0.0% 6 0.0% 800 0.0% 752 0.1%
_drupal_simpletest_conf_path1 0.4% 2 0.0% 3 0.0% 784 0.0% 784 0.1%
Drupal\Core\Template\TwigEnvironment::loadTemplate2 0.7% 2 0.0% 5 0.0% 808 0.0% 728 0.1%
Child functions
Symfony\Component\ClassLoader\ClassLoader::loadClass67 37.4% 10,724 59.4% 10,767 58.8% 4,024 0.2% 1,272 0.1%
Symfony\Component\ClassLoader\ApcClassLoader::loadClass112 62.6% 6,427 35.6% 6,518 35.6% 1,952,872 100.5% 1,108,120 99.1%