Run Report
Run #51977ad653c99: 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
substr66 88.0% 47 0.0% 113 0.0% 26,160 0.1% 11,600 0.0%
Exclusive Metrics for Current Function47 100.0% 113 100.0% 26,160 100.0% 11,600 100.0%
Parent functions
Drupal\Component\Utility\Crypt::randomBytes6 9.1% 32 68.1% 38 33.6% 13,176 50.4% 8,160 70.3%
Symfony\Component\HttpFoundation\ServerBag::getHeaders15 22.7% 3 6.4% 17 15.0% 1,280 4.9% 488 4.2%
theme@27 10.6% 3 6.4% 10 8.8% 984 3.8% 0 0.0%
Drupal\system\Plugin\Block\SystemMenuBlock::blockBuild2 3.0% 2 4.3% 3 2.7% 864 3.3% 632 5.4%
Drupal\field_sql_storage\Entity\Tables::addField1 1.5% 1 2.1% 2 1.8% 832 3.2% 0 0.0%
theme@11 1.5% 1 2.1% 1 0.9% 792 3.0% 0 0.0%
Symfony\Component\HttpFoundation\AcceptHeaderItem::fromString2 3.0% 1 2.1% 4 3.5% 872 3.3% 0 0.0%
Symfony\Component\HttpFoundation\Request::preparePathInfo1 1.5% 1 2.1% 2 1.8% 840 3.2% 0 0.0%
Twig_Environment::getCacheFilename4 6.1% 1 2.1% 6 5.3% 952 3.6% 784 6.8%
edit_custom_theme1 1.5% 1 2.1% 1 0.9% 800 3.1% 0 0.0%
request_path1 1.5% 1 2.1% 1 0.9% 760 2.9% 760 6.6%
drupal_strip_dangerous_protocols1 1.5% 0 0.0% 2 1.8% 816 3.1% 0 0.0%
editor_custom_theme1 1.5% 0 0.0% 2 1.8% 800 3.1% 0 0.0%
drupal_settings_initialize2 3.0% 0 0.0% 4 3.5% 864 3.3% 776 6.7%
Drupal\Component\Uuid\Php::generate21 31.8% 0 0.0% 20 17.7% 1,528 5.8% 0 0.0%