Run Report
Run #51af435181b2e: XHProf Run (Namespace=drupal-perf-drupalcon)
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Parent/Child report for substr [View Callgraph ]


Function NameCallsCalls%Incl. Wall Time
(microsec)		IWall%Incl. CPU
(microsecs)		ICpu%Incl.
MemUse
(bytes)		IMemUse%Incl.
PeakMemUse
(bytes)		IPeakMemUse%
Current Function
substr799 98.9% 857 0.3% 1,590 0.6% 77,344 0.2% 22,928 0.1%
Exclusive Metrics for Current Function857 100.0% 1,590 100.0% 77,344 100.0% 22,928 100.0%
Parent functions
Symfony\Component\ClassLoader\ClassLoader::findFile624 78.1% 654 76.3% 1,257 79.1% 26,592 34.4% 896 3.9%
Drupal\Component\Uuid\Php::generate56 7.0% 56 6.5% 83 5.2% 2,768 3.6% 0 0.0%
Symfony\Component\HttpFoundation\AcceptHeaderItem::fromString38 4.8% 41 4.8% 76 4.8% 2,024 2.6% 32 0.1%
Drupal\Component\Utility\Crypt::randomBytes16 2.0% 38 4.4% 53 3.3% 33,496 43.3% 20,464 89.3%
Twig_Environment::getCacheFilename20 2.5% 20 2.3% 38 2.4% 1,624 2.1% 0 0.0%
Symfony\Component\HttpFoundation\ServerBag::getHeaders20 2.5% 20 2.3% 36 2.3% 1,440 1.9% 0 0.0%
Drupal\Component\Utility\Xss::split4 0.5% 6 0.7% 8 0.5% 912 1.2% 0 0.0%
theme@25 0.6% 5 0.6% 6 0.4% 912 1.2% 144 0.6%
Symfony\Component\Routing\RouteCompiler::compilePattern4 0.5% 4 0.5% 7 0.4% 928 1.2% 0 0.0%
Symfony\Component\HttpFoundation\Request::preparePathInfo4 0.5% 4 0.5% 8 0.5% 952 1.2% 624 2.7%
Drupal\field_sql_storage\Entity\Tables::addField1 0.1% 2 0.2% 3 0.2% 832 1.1% 0 0.0%
drupal_settings_initialize2 0.3% 2 0.2% 4 0.3% 864 1.1% 0 0.0%
Drupal\Component\Utility\UrlValidator::stripDangerousProtocols1 0.1% 1 0.1% 2 0.1% 840 1.1% 0 0.0%
edit_custom_theme1 0.1% 1 0.1% 2 0.1% 800 1.0% 0 0.0%
contextual_custom_theme1 0.1% 1 0.1% 2 0.1% 800 1.0% 0 0.0%
request_path1 0.1% 1 0.1% 3 0.2% 760 1.0% 0 0.0%
editor_custom_theme1 0.1% 1 0.1% 2 0.1% 800 1.0% 768 3.3%