XHProf: Hierarchical Profiler Report

Diff Report: Run #5178989df1d0f: XHProf Run (Namespace=drupal-perf-cottser)
vs.
Run #517896dc57c6e: XHProf Run (Namespace=drupal-perf-cottser)
Tip: Click a function name below to drill down.

Drupal\Core\ContentNegotiation::getContentType	Run #5178989df1d0f	Run #517896dc57c6e	Diff	Diff%
Number of Function Calls	3	3	0	0.0%
Incl. Wall Time (microsec)	534	533	-1	-0.2%
Incl. Wall Time (microsec) per call	178	178	-0	-0.2%
Excl. Wall Time (microsec)	65	67	2	3.1%
Incl. CPU (microsecs)	540	537	-3	-0.6%
Incl. CPU (microsecs) per call	180	179	-1	-0.6%
Excl. CPU (microsec)	50	51	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)	55,080	55,080	0	0.0%
Incl. PeakMemUse (bytes) per call	18,360	18,360	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%	-1	-0.0%	-3	-0.1%	0	0.0%	0	0.0%
Exclusive Metrics Diff for Current Function			2	200.0%	1	33.3%	0	N/A%	0	N/A%
*Parent functions*
Drupal\Core\Routing\Enhancer\AjaxEnhancer::enhance	0	N/A%	-2	-200.0%	-1	-33.3%	0	N/A%	0	N/A%
drupal_get_js	0	N/A%	1	100.0%	-2	-66.7%	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%	-3	-300.0%	-4	-133.3%	0	N/A%	0	N/A%
Symfony\Component\HttpFoundation\Request::get	0	N/A%	1	100.0%	0	0.0%	0	N/A%	0	N/A%
Symfony\Component\HttpFoundation\Request::getFormat	0	N/A%	-1	-100.0%	1	33.3%	0	N/A%	0	N/A%
Symfony\Component\HttpFoundation\Request::isXmlHttpRequest	0	N/A%	0	0.0%	1	33.3%	0	N/A%	0	N/A%
is_null	0	N/A%	0	0.0%	-2	-66.7%	0	N/A%	0	N/A%