Run Report
Run #519bcbcb637ea: XHProf Run (Namespace=drupal-perf-c4rl)
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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
substr549 98.4% 740 0.3% 1,200 0.6% 37,560 0.1% 2,688 0.0%
Exclusive Metrics for Current Function740 100.0% 1,200 100.0% 37,560 100.0% 2,688 100.0%
Parent functions
Symfony\Component\ClassLoader\ClassLoader::findFile492 89.6% 676 91.4% 1,082 90.2% 21,416 57.0% 640 23.8%
Symfony\Component\HttpFoundation\AcceptHeaderItem::fromString14 2.6% 19 2.6% 30 2.5% 1,256 3.3% 32 1.2%
Symfony\Component\HttpFoundation\ServerBag::getHeaders15 2.7% 15 2.0% 30 2.5% 1,280 3.4% 384 14.3%
Drupal\Component\Uuid\Php::generate7 1.3% 7 0.9% 13 1.1% 1,032 2.7% 0 0.0%
theme@15 0.9% 5 0.7% 8 0.7% 912 2.4% 0 0.0%
theme@25 0.9% 5 0.7% 8 0.7% 912 2.4% 192 7.1%
Drupal\field_sql_storage\Entity\Tables::addField1 0.2% 2 0.3% 4 0.3% 832 2.2% 0 0.0%
Symfony\Component\HttpFoundation\Request::preparePathInfo2 0.4% 2 0.3% 5 0.4% 872 2.3% 808 30.1%
drupal_settings_initialize2 0.4% 2 0.3% 5 0.4% 864 2.3% 0 0.0%
Drupal\Component\Utility\Crypt::randomBytes2 0.4% 2 0.3% 4 0.3% 4,944 13.2% 0 0.0%
request_path1 0.2% 2 0.3% 3 0.2% 760 2.0% 0 0.0%
drupal_strip_dangerous_protocols1 0.2% 1 0.1% 3 0.2% 816 2.2% 0 0.0%
Symfony\Component\Routing\RouteCompiler::compilePattern1 0.2% 1 0.1% 2 0.2% 832 2.2% 0 0.0%
Drupal\system\Plugin\Block\SystemMenuBlock::blockBuild1 0.2% 1 0.1% 3 0.2% 832 2.2% 632 23.5%