Run Report
Run #51abc4cb0a647: XHProf Run (Namespace=drupal-perf-cottser)
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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
substr183 94.8% 66 0.0% 247 0.2% 53,416 0.5% 19,992 0.2%
Exclusive Metrics for Current Function66 100.0% 247 100.0% 53,416 100.0% 19,992 100.0%
Parent functions
Drupal\Component\Utility\Crypt::randomBytes16 8.7% 27 40.9% 39 15.8% 33,496 62.7% 12,280 61.4%
Symfony\Component\HttpFoundation\AcceptHeaderItem::fromString38 20.8% 9 13.6% 44 17.8% 2,040 3.8% 816 4.1%
theme@29 4.9% 5 7.6% 11 4.5% 1,048 2.0% 480 2.4%
Symfony\Component\HttpFoundation\ServerBag::getHeaders20 10.9% 4 6.1% 25 10.1% 1,440 2.7% 520 2.6%
Symfony\Component\Routing\RouteCompiler::compilePattern4 2.2% 4 6.1% 11 4.5% 936 1.8% 720 3.6%
Symfony\Component\HttpFoundation\Request::preparePathInfo4 2.2% 3 4.5% 4 1.6% 936 1.8% 808 4.0%
Drupal\Component\Utility\Xss::split4 2.2% 3 4.5% 6 2.4% 912 1.7% 0 0.0%
Twig_Environment::getCacheFilename20 10.9% 2 3.0% 20 8.1% 1,624 3.0% 784 3.9%
Drupal\system\Plugin\Block\SystemMenuBlock::blockBuild2 1.1% 2 3.0% 5 2.0% 864 1.6% 632 3.2%
theme@11 0.5% 1 1.5% 2 0.8% 792 1.5% 648 3.2%
contextual_custom_theme1 0.5% 1 1.5% 2 0.8% 808 1.5% 0 0.0%
request_path1 0.5% 1 1.5% 3 1.2% 792 1.5% 760 3.8%
Drupal\field_sql_storage\Entity\Tables::addField1 0.5% 1 1.5% 1 0.4% 832 1.6% 0 0.0%
Drupal\Component\Uuid\Php::generate56 30.6% 1 1.5% 65 26.3% 2,768 5.2% 0 0.0%
_drupal_session_read1 0.5% 1 1.5% 2 0.8% 824 1.5% 0 0.0%
Drupal\Component\Utility\UrlValidator::stripDangerousProtocols1 0.5% 1 1.5% 2 0.8% 840 1.6% 0 0.0%
edit_custom_theme1 0.5% 0 0.0% 1 0.4% 800 1.5% 0 0.0%
editor_custom_theme1 0.5% 0 0.0% 1 0.4% 800 1.5% 768 3.8%
drupal_settings_initialize2 1.1% 0 0.0% 3 1.2% 864 1.6% 776 3.9%