XHProf: Hierarchical Profiler Report

Diff Report: Run #517c1770a3264: XHProf Run (Namespace=drupal-perf-cottser)
vs.
Run #517c1836bbd84: XHProf Run (Namespace=drupal-perf-cottser)
Tip: Click a function name below to drill down.

Symfony\Component\HttpFoundation\Request::getAcceptableContentTypes	Run #517c1770a3264	Run #517c1836bbd84	Diff	Diff%
Number of Function Calls	3	3	0	0.0%
Incl. Wall Time (microsec)	338	336	-2	-0.6%
Incl. Wall Time (microsec) per call	113	112	-1	-0.6%
Excl. Wall Time (microsec)	31	25	-6	-19.4%
Incl. CPU (microsecs)	343	345	2	0.6%
Incl. CPU (microsecs) per call	114	115	1	0.6%
Excl. CPU (microsec)	28	27	-1	-3.6%
Incl. MemUse (bytes)	43,960	43,976	16	0.0%
Incl. MemUse (bytes) per call	14,653	14,659	5	0.0%
Excl. MemUse (bytes)	1,040	1,040	0	0.0%
Incl. PeakMemUse (bytes)	43,488	43,504	16	0.0%
Incl. PeakMemUse (bytes) per call	14,496	14,501	5	0.0%
Excl. PeakMemUse (bytes)	2,016	2,016	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%	-2	-0.1%	2	0.1%	16	0.3%	16	0.3%
Exclusive Metrics Diff for Current Function			-6	-300.0%	-1	-50.0%	0	0.0%	0	0.0%
*Parent function*
Drupal\Core\ContentNegotiation::getContentType	0	N/A%	-2	-100.0%	2	100.0%	16	100.0%	16	100.0%
*Child functions*
Symfony\Component\HttpFoundation\AcceptHeader::fromString	0	N/A%	5	250.0%	4	200.0%	16	100.0%	16	100.0%
Symfony\Component\HttpFoundation\AcceptHeader::all	0	N/A%	4	200.0%	3	150.0%	0	0.0%	0	0.0%
Symfony\Component\HttpFoundation\HeaderBag::get	0	N/A%	-3	-150.0%	-1	-50.0%	0	0.0%	0	0.0%
Symfony\Component\ClassLoader\ClassLoader::loadClass	0	N/A%	-2	-100.0%	-2	-100.0%	0	0.0%	0	0.0%
array_keys	0	N/A%	0	0.0%	-1	-50.0%	0	0.0%	0	0.0%