Run Report
Run #51fdba53b2446: XHProf Run (Namespace=drupal-perf-cottser)
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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_exists63 56.8% 9,009 1.8% 9,082 2.0% 1,488,344 5.5% 1,345,144 4.9%
Exclusive Metrics for Current Function254 2.8% 279 3.1% -4,688 -0.3% 8,608 0.6%
Parent functions
Drupal\Core\Entity\EntityManager::getControllerClass16 25.4% 3,821 42.4% 3,846 42.3% 631,360 42.4% 575,456 42.8%
Drupal\Component\Plugin\Factory\DefaultFactory::getPluginClass23 36.5% 3,617 40.1% 3,640 40.1% 533,704 35.9% 479,648 35.7%
Drupal\Core\Database\Connection::getDriverClass5 7.9% 1,037 11.5% 1,043 11.5% 296,776 19.9% 268,040 19.9%
Drupal\Core\Database\Query\Select::extend1 1.6% 236 2.6% 238 2.6% 4,080 0.3% 0 0.0%
Drupal\Component\Datetime\DateTimePlus::canUseIntl1 1.6% 208 2.3% 209 2.3% 808 0.1% 1,216 0.1%
Drupal\Core\Config\Context\ConfigContextFactory::get1 1.6% 73 0.8% 74 0.8% 17,616 1.2% 17,920 1.3%
Doctrine\Common\Annotations\DocParser::classExists6 9.5% 6 0.1% 10 0.1% 808 0.1% 640 0.0%
Drupal\Core\Template\TwigEnvironment::loadTemplate6 9.5% 6 0.1% 12 0.1% 808 0.1% 728 0.1%
Drupal\Core\DrupalKernel::initializeContainer2 3.2% 2 0.0% 3 0.0% 800 0.1% 712 0.1%
file_stream_wrapper_get_instance_by_scheme1 1.6% 2 0.0% 4 0.0% 800 0.1% 0 0.0%
_drupal_simpletest_conf_path1 1.6% 1 0.0% 3 0.0% 784 0.1% 784 0.1%
Child functions
Symfony\Component\ClassLoader\ApcClassLoader::loadClass37 94.9% 8,354 92.7% 8,399 92.5% 1,489,944 100.1% 1,336,192 99.3%
Symfony\Component\ClassLoader\ClassLoader::loadClass2 5.1% 401 4.5% 404 4.4% 3,088 0.2% 344 0.0%