XHProf: Hierarchical Profiler Report

Diff Report: Run #51af430daedb2: XHProf Run (Namespace=drupal-perf-drupalcon)
vs.
Run #51af3d98520b7: XHProf Run (Namespace=drupal-perf-drupalcon)
Tip: Click a function name below to drill down.

Symfony\Component\HttpFoundation\Request::getAcceptableContentTypes	Run #51af430daedb2	Run #51af3d98520b7	Diff	Diff%
Number of Function Calls	9	9	0	0.0%
Incl. Wall Time (microsec)	1,876	1,912	36	1.9%
Incl. Wall Time (microsec) per call	208	212	4	1.9%
Excl. Wall Time (microsec)	89	88	-1	-1.1%
Incl. CPU (microsecs)	1,885	1,922	37	2.0%
Incl. CPU (microsecs) per call	209	214	4	2.0%
Excl. CPU (microsec)	85	82	-3	-3.5%
Incl. MemUse (bytes)	153,360	153,360	0	0.0%
Incl. MemUse (bytes) per call	17,040	17,040	0	0.0%
Excl. MemUse (bytes)	-16,328	-16,328	0	0.0%
Incl. PeakMemUse (bytes)	48,704	48,704	0	0.0%
Incl. PeakMemUse (bytes) per call	5,412	5,412	0	0.0%
Excl. PeakMemUse (bytes)	192	192	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\Request::getAcceptableContentTypes	0	N/A%	36	2.7%	37	2.0%	0	N/A%	0	N/A%
Exclusive Metrics Diff for Current Function			-1	-2.8%	-3	-8.1%	0	N/A%	0	N/A%
*Parent functions*
Drupal\Core\ContentNegotiation::getContentType	0	N/A%	44	122.2%	44	118.9%	0	N/A%	0	N/A%
Drupal\Core\Routing\MimeTypeMatcher::filter	0	N/A%	-8	-22.2%	-7	-18.9%	0	N/A%	0	N/A%
*Child functions*
Symfony\Component\HttpFoundation\AcceptHeader::fromString	0	N/A%	18	50.0%	18	48.6%	0	N/A%	0	N/A%
Symfony\Component\ClassLoader\ClassLoader::loadClass	0	N/A%	16	44.4%	17	45.9%	0	N/A%	0	N/A%
Symfony\Component\HttpFoundation\AcceptHeader::all	0	N/A%	2	5.6%	2	5.4%	0	N/A%	0	N/A%
Symfony\Component\HttpFoundation\HeaderBag::get	0	N/A%	1	2.8%	1	2.7%	0	N/A%	0	N/A%
array_keys	0	N/A%	0	0.0%	2	5.4%	0	N/A%	0	N/A%