Run Report
Run #519c146573182: 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
substr846 98.9% 859 0.1% 1,577 0.2% 45,164 0.4% 16,076 0.2%
Exclusive Metrics for Current Function859 100.0% 1,577 100.0% 45,164 100.0% 16,076 100.0%
Parent functions
Symfony\Component\ClassLoader\ClassLoader::findFile716 84.6% 727 84.6% 1,326 84.1% 22,520 49.9% 2,772 17.2%
file_uri_scheme42 5.0% 42 4.9% 68 4.3% 1,084 2.4% 172 1.1%
Drupal\Component\Uuid\Php::generate21 2.5% 21 2.4% 38 2.4% 888 2.0% 0 0.0%
Drupal\views\Plugin\views\query\Sql::add_field15 1.8% 15 1.7% 35 2.2% 760 1.7% 448 2.8%
Drupal\Component\Utility\Crypt::randomBytes6 0.7% 12 1.4% 18 1.1% 12,752 28.2% 8,192 51.0%
Symfony\Component\HttpFoundation\ServerBag::getHeaders10 1.2% 10 1.2% 16 1.0% 644 1.4% 308 1.9%
theme@27 0.8% 7 0.8% 11 0.7% 524 1.2% 0 0.0%
Twig_Environment::getCacheFilename4 0.5% 4 0.5% 12 0.8% 548 1.2% 384 2.4%
drupal_settings_initialize3 0.4% 3 0.3% 6 0.4% 524 1.2% 424 2.6%
drupal_strip_dangerous_protocols3 0.4% 3 0.3% 6 0.4% 480 1.1% 0 0.0%
url2 0.2% 2 0.2% 3 0.2% 432 1.0% 208 1.3%
Symfony\Component\HttpFoundation\AcceptHeaderItem::fromString2 0.2% 2 0.2% 5 0.3% 492 1.1% 492 3.1%
theme@12 0.2% 2 0.2% 3 0.2% 436 1.0% 344 2.1%
devel_silent6 0.7% 2 0.2% 9 0.6% 412 0.9% 412 2.6%
Drupal\system\Plugin\Block\SystemMenuBlock::blockBuild2 0.2% 2 0.2% 6 0.4% 484 1.1% 364 2.3%
editor_custom_theme1 0.1% 1 0.1% 4 0.3% 432 1.0% 344 2.1%
Symfony\Component\HttpFoundation\Request::preparePathInfo1 0.1% 1 0.1% 2 0.1% 472 1.0% 456 2.8%
contextual_custom_theme1 0.1% 1 0.1% 2 0.1% 436 1.0% 0 0.0%
edit_custom_theme1 0.1% 1 0.1% 3 0.2% 432 1.0% 344 2.1%
request_path1 0.1% 1 0.1% 4 0.3% 412 0.9% 412 2.6%