XHProf: Hierarchical Profiler Report

Diff Report: Run #51ec5cfb002ea: XHProf Run (Namespace=drupal-perf-drupalcon)
vs.
Run #51ec5ca916d7d: XHProf Run (Namespace=drupal-perf-drupalcon)
Tip: Click a function name below to drill down.

Symfony\Component\HttpFoundation\ParameterBag::has	Run #51ec5cfb002ea	Run #51ec5ca916d7d	Diff	Diff%
Number of Function Calls	22	22	0	0.0%
Incl. Wall Time (microsec)	75	72	-3	-4.0%
Incl. Wall Time (microsec) per call	3	3	-0	-4.0%
Excl. Wall Time (microsec)	56	55	-1	-1.8%
Incl. CPU (microsecs)	98	100	2	2.0%
Incl. CPU (microsecs) per call	4	5	0	2.0%
Excl. CPU (microsec)	59	65	6	10.2%
Incl. MemUse (bytes)	7,312	7,312	0	0.0%
Incl. MemUse (bytes) per call	332	332	0	0.0%
Excl. MemUse (bytes)	6,504	6,504	0	0.0%
Incl. PeakMemUse (bytes)	5,288	5,288	0	0.0%
Incl. PeakMemUse (bytes) per call	240	240	0	0.0%
Excl. PeakMemUse (bytes)	4,480	4,480	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%	-3	-0.2%	2	2.0%	0	N/A%	0	N/A%
Exclusive Metrics Diff for Current Function			-1	-33.3%	6	300.0%	0	N/A%	0	N/A%
*Parent functions*
Symfony\Component\HttpFoundation\Request::prepareRequestUri	0	N/A%	-3	-100.0%	5	250.0%	0	N/A%	0	N/A%
Drupal\Core\EventSubscriber\AccessSubscriber::onKernelRequestAccessCheck	0	N/A%	1	33.3%	0	0.0%	0	N/A%	0	N/A%
Drupal\Core\Routing\RouteProvider::getRouteCollectionForRequest	0	N/A%	-1	-33.3%	-2	-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_bootstrap_page_cache	0	N/A%	0	0.0%	-1	-50.0%	0	N/A%	0	N/A%
Symfony\Component\HttpKernel\EventListener\RouterListener::onKernelRequest	0	N/A%	0	0.0%	0	0.0%	0	N/A%	0	N/A%
*Child function*
array_key_exists	0	N/A%	-2	-66.7%	-4	-200.0%	0	N/A%	0	N/A%