Run Report
Run #519d48e206f9d: 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% 12 0.0% 31 0.1% 11,920 0.2% 4,288 0.1%
Exclusive Metrics for Current Function12 100.0% 31 100.0% 11,920 100.0% 4,288 100.0%
Parent functions
Drupal\Component\Uuid\Php::generate7 26.9% 2 16.7% 8 25.8% 1,032 8.7% 0 0.0%
Drupal\Component\Utility\Crypt::randomBytes2 7.7% 2 16.7% 4 12.9% 4,936 41.4% 0 0.0%
Twig_Environment::getCacheFilename4 15.4% 2 16.7% 5 16.1% 952 8.0% 784 18.3%
drupal_strip_dangerous_protocols1 3.8% 1 8.3% 2 6.5% 816 6.8% 0 0.0%
devel_silent3 11.5% 1 8.3% 4 12.9% 760 6.4% 672 15.7%
Symfony\Component\HttpFoundation\ServerBag::getHeaders5 19.2% 1 8.3% 4 12.9% 960 8.1% 488 11.4%
drupal_settings_initialize2 7.7% 1 8.3% 2 6.5% 864 7.2% 776 18.1%
request_path1 3.8% 1 8.3% 1 3.2% 760 6.4% 760 17.7%
Symfony\Component\HttpFoundation\Request::preparePathInfo1 3.8% 1 8.3% 1 3.2% 840 7.0% 808 18.8%