XHProf: Hierarchical Profiler Report

Diff Report: Run #53923d861ff11: XHProf Run (Namespace=drupal-perf-drupalcon)
vs.
Run #53923e49d2b58: XHProf Run (Namespace=drupal-perf-drupalcon)
Tip: Click a function name below to drill down.

Symfony\Component\HttpFoundation\Request::getAcceptableContentTypes	Run #53923d861ff11	Run #53923e49d2b58	Diff	Diff%
Number of Function Calls	6	6	0	0.0%
Incl. Wall Time (microsec)	720	725	5	0.7%
Incl. Wall Time (microsec) per call	120	121	1	0.7%
Excl. Wall Time (microsec)	61	55	-6	-9.8%
Incl. CPU (microsecs)	728	732	4	0.5%
Incl. CPU (microsecs) per call	121	122	1	0.5%
Excl. CPU (microsec)	48	44	-4	-8.3%
Incl. MemUse (bytes)	29,636	29,636	0	0.0%
Incl. MemUse (bytes) per call	4,939	4,939	0	0.0%
Excl. MemUse (bytes)	-180	-180	0	0.0%
Incl. PeakMemUse (bytes)	25,264	25,264	0	0.0%
Incl. PeakMemUse (bytes) per call	4,211	4,211	0	0.0%
Excl. PeakMemUse (bytes)	1,528	1,528	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%	5	0.3%	4	0.4%	0	0.0%	0	0.0%
Exclusive Metrics Diff for Current Function			-6	-120.0%	-4	-100.0%	0	N/A%	0	N/A%
*Parent functions*
Drupal\Core\Routing\AcceptHeaderMatcher::filter	0	N/A%	5	100.0%	5	125.0%	0	N/A%	0	N/A%
Drupal\Core\ContentNegotiation::getContentType	0	N/A%	0	0.0%	-1	-25.0%	0	N/A%	0	N/A%
*Child functions*
Symfony\Component\HttpFoundation\AcceptHeader::fromString	0	N/A%	12	240.0%	11	275.0%	0	N/A%	0	N/A%
Symfony\Component\HttpFoundation\AcceptHeader::all	0	N/A%	3	60.0%	5	125.0%	0	N/A%	0	N/A%
Symfony\Component\ClassLoader\ApcClassLoader::loadClass	0	N/A%	-3	-60.0%	-3	-75.0%	0	N/A%	0	N/A%
Symfony\Component\HttpFoundation\HeaderBag::get	0	N/A%	-1	-20.0%	-5	-125.0%	0	N/A%	0	N/A%
array_keys	0	N/A%	0	0.0%	0	0.0%	0	N/A%	0	N/A%