XHProf: Hierarchical Profiler Report

Diff Report: Run #51ec517fc2424: XHProf Run (Namespace=drupal-perf-drupalcon)
vs.
Run #51ec52a09990a: XHProf Run (Namespace=drupal-perf-drupalcon)
Tip: Click a function name below to drill down.

Symfony\Component\HttpFoundation\ParameterBag::has	Run #51ec517fc2424	Run #51ec52a09990a	Diff	Diff%
Number of Function Calls	30	30	0	0.0%
Incl. Wall Time (microsec)	100	96	-4	-4.0%
Incl. Wall Time (microsec) per call	3	3	-0	-4.0%
Excl. Wall Time (microsec)	79	77	-2	-2.5%
Incl. CPU (microsecs)	135	134	-1	-0.7%
Incl. CPU (microsecs) per call	5	4	-0	-0.7%
Excl. CPU (microsec)	88	92	4	4.5%
Incl. MemUse (bytes)	7,696	7,696	0	0.0%
Incl. MemUse (bytes) per call	257	257	0	0.0%
Excl. MemUse (bytes)	6,888	6,888	0	0.0%
Incl. PeakMemUse (bytes)	4,632	4,632	0	0.0%
Incl. PeakMemUse (bytes) per call	154	154	0	0.0%
Excl. PeakMemUse (bytes)	3,824	3,824	0	0.0%

Function Name	Calls Diff	Calls Diff%	Incl. Wall Diff (microsec)	IWall Diff%	Incl. CPU Diff (microsec)	ICpu Diff%	Incl. MemUse Diff (bytes)	IMemUse Diff%	Incl. PeakMemUse Diff (bytes)	IPeakMemUse Diff%
*Current Function*
Symfony\Component\HttpFoundation\ParameterBag::has	0	N/A%	-4	-0.1%	-1	-0.0%	0	0.0%	0	0.0%
Exclusive Metrics Diff for Current Function			-2	-50.0%	4	400.0%	0	N/A%	0	N/A%
*Parent functions*
Drupal\Core\Routing\RouteProvider::getRouteCollectionForRequest	0	N/A%	-1	-25.0%	2	200.0%	0	N/A%	0	N/A%
_drupal_bootstrap_page_cache	0	N/A%	-1	-25.0%	-1	-100.0%	0	N/A%	0	N/A%
Symfony\Component\HttpKernel\EventListener\RouterListener::onKernelRequest	0	N/A%	-1	-25.0%	1	100.0%	0	N/A%	0	N/A%
Symfony\Component\HttpFoundation\Request::prepareRequestUri	0	N/A%	-1	-25.0%	-1	-100.0%	0	N/A%	0	N/A%
drupal_get_destination	0	N/A%	0	0.0%	0	0.0%	0	N/A%	0	N/A%
Drupal\Core\EventSubscriber\AccessSubscriber::onKernelRequestAccessCheck	0	N/A%	0	0.0%	-2	-200.0%	0	N/A%	0	N/A%
*Child function*
array_key_exists	0	N/A%	-2	-50.0%	-5	-500.0%	0	N/A%	0	N/A%