XHProf: Hierarchical Profiler Report

Diff Report: Run #52e436ce9c71d: XHProf Run (Namespace=drupal-perf-drupalcon)
vs.
Run #52e4374042ace: XHProf Run (Namespace=drupal-perf-drupalcon)
Tip: Click a function name below to drill down.

Drupal\Core\EventSubscriber\AccessSubscriber::onKernelRequestAccessCheck	Run #52e436ce9c71d	Run #52e4374042ace	Diff	Diff%
Number of Function Calls	1	1	0	0.0%
Incl. Wall Time (microsec)	4,547	4,609	62	1.4%
Incl. Wall Time (microsec) per call	4,547	4,609	62	1.4%
Excl. Wall Time (microsec)	30	27	-3	-10.0%
Incl. CPU (microsecs)	4,119	4,185	66	1.6%
Incl. CPU (microsecs) per call	4,119	4,185	66	1.6%
Excl. CPU (microsec)	22	21	-1	-4.5%
Incl. MemUse (bytes)	424,432	424,464	32	0.0%
Incl. MemUse (bytes) per call	424,432	424,464	32	0.0%
Excl. MemUse (bytes)	2,856	2,856	0	0.0%
Incl. PeakMemUse (bytes)	424,240	424,760	520	0.1%
Incl. PeakMemUse (bytes) per call	424,240	424,760	520	0.1%
Excl. PeakMemUse (bytes)	2,648	2,648	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*
Drupal\Core\EventSubscriber\AccessSubscriber::onKernelRequestAccessCheck	0	N/A%	62	5.3%	66	6.5%	32	0.0%	520	0.6%
Exclusive Metrics Diff for Current Function			-3	-4.8%	-1	-1.5%	0	0.0%	0	0.0%
*Parent function*
call_user_func	0	N/A%	62	100.0%	66	100.0%	32	100.0%	520	100.0%
*Child functions*
Drupal\Core\Access\AccessManager::check	0	N/A%	67	108.1%	69	104.5%	32	100.0%	520	100.0%
Symfony\Component\HttpFoundation\ParameterBag::get	0	N/A%	-1	-1.6%	-1	-1.5%	0	0.0%	0	0.0%
Symfony\Component\HttpFoundation\ParameterBag::has	0	N/A%	-1	-1.6%	-2	-3.0%	0	0.0%	0	0.0%
Symfony\Component\HttpFoundation\ParameterBag::remove	0	N/A%	0	0.0%	1	1.5%	0	0.0%	0	0.0%
Symfony\Component\HttpFoundation\ParameterBag::set	0	N/A%	0	0.0%	-1	-1.5%	0	0.0%	0	0.0%
Symfony\Component\HttpKernel\Event\KernelEvent::getRequest	0	N/A%	0	0.0%	1	1.5%	0	0.0%	0	0.0%