Run Report
Run #519fe8bb569af: 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
substr630 98.6% 652 0.3% 1,151 0.6% 47,288 0.5% 18,408 0.2%
Exclusive Metrics for Current Function652 100.0% 1,151 100.0% 47,288 100.0% 18,408 100.0%
Parent functions
Symfony\Component\ClassLoader\ClassLoader::findFile554 87.9% 572 87.7% 992 86.2% 23,904 50.5% 6,496 35.3%
Twig_Environment::getCacheFilename16 2.5% 16 2.5% 28 2.4% 1,456 3.1% 784 4.3%
Drupal\Component\Uuid\Php::generate14 2.2% 14 2.1% 27 2.3% 1,280 2.7% 0 0.0%
theme@211 1.7% 11 1.7% 19 1.7% 1,112 2.4% 480 2.6%
Symfony\Component\HttpFoundation\ServerBag::getHeaders10 1.6% 10 1.5% 16 1.4% 1,120 2.4% 488 2.7%
Drupal\Component\Utility\Crypt::randomBytes4 0.6% 7 1.1% 12 1.0% 9,064 19.2% 4,088 22.2%
Drupal\field_sql_storage\Entity\Tables::addField5 0.8% 6 0.9% 14 1.2% 960 2.0% 0 0.0%
dblog_watchdog3 0.5% 3 0.5% 8 0.7% 904 1.9% 808 4.4%
Drupal\system\Plugin\Block\SystemMenuBlock::blockBuild2 0.3% 2 0.3% 6 0.5% 864 1.8% 632 3.4%
Symfony\Component\HttpFoundation\AcceptHeaderItem::fromString2 0.3% 2 0.3% 4 0.3% 872 1.8% 840 4.6%
Symfony\Component\HttpFoundation\Request::preparePathInfo2 0.3% 2 0.3% 5 0.4% 872 1.8% 808 4.4%
drupal_settings_initialize2 0.3% 2 0.3% 5 0.4% 864 1.8% 776 4.2%
drupal_strip_dangerous_protocols1 0.2% 1 0.2% 2 0.2% 816 1.7% 0 0.0%
edit_custom_theme1 0.2% 1 0.2% 3 0.3% 800 1.7% 680 3.7%
contextual_custom_theme1 0.2% 1 0.2% 4 0.3% 808 1.7% 0 0.0%
request_path1 0.2% 1 0.2% 3 0.3% 792 1.7% 760 4.1%
editor_custom_theme1 0.2% 1 0.2% 3 0.3% 800 1.7% 768 4.2%