XHProf: Hierarchical Profiler Report

Diff Report: Run #51774c26bf054: XHProf Run (Namespace=drupal-perf-cottser)
vs.
Run #51774d289642f: XHProf Run (Namespace=drupal-perf-cottser)
Tip: Click a function name below to drill down.

Drupal\Core\ContentNegotiation::getContentType	Run #51774c26bf054	Run #51774d289642f	Diff	Diff%
Number of Function Calls	3	3	0	0.0%
Incl. Wall Time (microsec)	557	582	25	4.5%
Incl. Wall Time (microsec) per call	186	194	8	4.5%
Excl. Wall Time (microsec)	65	64	-1	-1.5%
Incl. CPU (microsecs)	561	587	26	4.6%
Incl. CPU (microsecs) per call	187	196	9	4.6%
Excl. CPU (microsec)	49	48	-1	-2.0%
Incl. MemUse (bytes)	56,152	56,152	0	0.0%
Incl. MemUse (bytes) per call	18,717	18,717	0	0.0%
Excl. MemUse (bytes)	3,880	3,880	0	0.0%
Incl. PeakMemUse (bytes)	54,800	54,800	0	0.0%
Incl. PeakMemUse (bytes) per call	18,267	18,267	0	0.0%
Excl. PeakMemUse (bytes)	3,096	3,096	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\ContentNegotiation::getContentType	0	N/A%	25	0.1%	26	0.1%	0	0.0%	0	0.0%
Exclusive Metrics Diff for Current Function			-1	-4.0%	-1	-3.8%	0	N/A%	0	N/A%
*Parent functions*
Drupal\Core\Routing\Enhancer\AjaxEnhancer::enhance	0	N/A%	22	88.0%	23	88.5%	0	N/A%	0	N/A%
drupal_get_js	0	N/A%	3	12.0%	3	11.5%	0	N/A%	0	N/A%
Drupal\Core\EventSubscriber\ViewSubscriber::onView	0	N/A%	0	0.0%	0	0.0%	0	N/A%	0	N/A%
*Child functions*
Symfony\Component\HttpFoundation\Request::getAcceptableContentTypes	0	N/A%	26	104.0%	26	100.0%	0	N/A%	0	N/A%
Symfony\Component\HttpFoundation\Request::isXmlHttpRequest	0	N/A%	3	12.0%	2	7.7%	0	N/A%	0	N/A%
Symfony\Component\HttpFoundation\Request::getFormat	0	N/A%	-2	-8.0%	-2	-7.7%	0	N/A%	0	N/A%
Symfony\Component\HttpFoundation\Request::get	0	N/A%	-1	-4.0%	-1	-3.8%	0	N/A%	0	N/A%
is_null	0	N/A%	0	0.0%	2	7.7%	0	N/A%	0	N/A%