Run Report
Run #519fc2983e6a9: 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
substr26 74.3% 4 0.0% 0 0.0% 8,488 0.3% 2,500 0.1%
Exclusive Metrics for Current Function4 100.0% 0 N/A% 8,488 100.0% 2,500 100.0%
Parent functions
Drupal\Component\Utility\Crypt::randomBytes2 7.7% 2 50.0% 0 N/A% 4,564 53.8% 0 0.0%
request_path1 3.8% 1 25.0% 0 N/A% 412 4.9% 412 16.5%
Symfony\Component\HttpFoundation\ServerBag::getHeaders5 19.2% 1 25.0% 0 N/A% 544 6.4% 332 13.3%
drupal_strip_dangerous_protocols1 3.8% 0 0.0% 0 N/A% 448 5.3% 0 0.0%
Twig_Environment::getCacheFilename4 15.4% 0 0.0% 0 N/A% 548 6.5% 488 19.5%
devel_silent3 11.5% 0 0.0% 0 N/A% 412 4.9% 372 14.9%
Symfony\Component\HttpFoundation\Request::preparePathInfo1 3.8% 0 0.0% 0 N/A% 472 5.6% 472 18.9%
drupal_settings_initialize2 7.7% 0 0.0% 0 N/A% 488 5.7% 424 17.0%
Drupal\Component\Uuid\Php::generate7 26.9% 0 0.0% 0 N/A% 600 7.1% 0 0.0%