XHProf: Hierarchical Profiler Report

Diff Report: Run #52c6423bf12de: XHProf Run (Namespace=drupal-perf-cottser)
vs.
Run #52c641a950046: XHProf Run (Namespace=drupal-perf-cottser)
Tip: Click a function name below to drill down.

Symfony\Component\HttpFoundation\Request::getAcceptableContentTypes	Run #52c6423bf12de	Run #52c641a950046	Diff	Diff%
Number of Function Calls	20	20	0	0.0%
Incl. Wall Time (microsec)	855	843	-12	-1.4%
Incl. Wall Time (microsec) per call	43	42	-1	-1.4%
Excl. Wall Time (microsec)	124	120	-4	-3.2%
Incl. CPU (microsecs)	871	858	-13	-1.5%
Incl. CPU (microsecs) per call	44	43	-1	-1.5%
Excl. CPU (microsec)	102	101	-1	-1.0%
Incl. MemUse (bytes)	47,744	47,744	0	0.0%
Incl. MemUse (bytes) per call	2,387	2,387	0	0.0%
Excl. MemUse (bytes)	-6,944	-6,944	0	0.0%
Incl. PeakMemUse (bytes)	43,824	43,824	0	0.0%
Incl. PeakMemUse (bytes) per call	2,191	2,191	0	0.0%
Excl. PeakMemUse (bytes)	2,920	2,920	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%	-12	-2.5%	-13	-3.0%	0	N/A%	0	N/A%
Exclusive Metrics Diff for Current Function			-4	-33.3%	-1	-7.7%	0	N/A%	0	N/A%
*Parent functions*
Drupal\Core\Routing\MimeTypeMatcher::filter	0	N/A%	-12	-100.0%	-12	-92.3%	0	N/A%	0	N/A%
Drupal\Core\ContentNegotiation::getContentType	0	N/A%	0	0.0%	-1	-7.7%	0	N/A%	0	N/A%
*Child functions*
Symfony\Component\HttpFoundation\AcceptHeader::fromString	0	N/A%	-7	-58.3%	-12	-92.3%	0	N/A%	0	N/A%
array_keys	0	N/A%	-2	-16.7%	-3	-23.1%	0	N/A%	0	N/A%
Symfony\Component\HttpFoundation\AcceptHeader::all	0	N/A%	-1	-8.3%	1	7.7%	0	N/A%	0	N/A%
Symfony\Component\ClassLoader\ApcClassLoader::loadClass	0	N/A%	1	8.3%	0	0.0%	0	N/A%	0	N/A%
Symfony\Component\HttpFoundation\HeaderBag::get	0	N/A%	1	8.3%	2	15.4%	0	N/A%	0	N/A%