Run Report
Run #519d44a498311: 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_exists252 42.1% 31,541 5.7% 31,788 5.9% 1,602,256 9.5% 945,976 5.4%
Exclusive Metrics for Current Function1,238 3.9% 1,210 3.8% -19,792 -1.2% 8,960 0.9%
Parent functions
Drupal\Component\Datetime\DateTimePlus::canUseIntl148 58.7% 25,348 80.4% 25,468 80.1% 808 0.1% 2,952 0.3%
Drupal\Component\Plugin\Factory\DefaultFactory::getPluginClass71 28.2% 2,987 9.5% 3,067 9.6% 993,376 62.0% 450,480 47.6%
Drupal\Core\Entity\EntityManager::getControllerClass18 7.1% 2,492 7.9% 2,517 7.9% 441,288 27.5% 331,744 35.1%
Drupal\Core\Database\Connection::getDriverClass1 0.4% 421 1.3% 422 1.3% 141,264 8.8% 140,104 14.8%
Drupal\Core\Database\Query\Select::extend1 0.4% 213 0.7% 215 0.7% 4,080 0.3% 0 0.0%
Drupal\Core\Config\Context\ConfigContextFactory::get1 0.4% 67 0.2% 69 0.2% 17,472 1.1% 17,592 1.9%
file_stream_wrapper_get_instance_by_uri4 1.6% 4 0.0% 11 0.0% 792 0.0% 0 0.0%
file_stream_wrapper_valid_scheme4 1.6% 4 0.0% 9 0.0% 784 0.0% 840 0.1%
Drupal\Core\DrupalKernel::initializeContainer2 0.8% 2 0.0% 4 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::loadTemplate1 0.4% 1 0.0% 3 0.0% 808 0.1% 728 0.1%
Child functions
Symfony\Component\ClassLoader\ClassLoader::loadClass149 44.1% 23,502 74.5% 23,619 74.3% 10,144 0.6% 1,072 0.1%
Symfony\Component\ClassLoader\ApcClassLoader::loadClass189 55.9% 6,801 21.6% 6,959 21.9% 1,611,904 100.6% 935,944 98.9%