XHProf: Hierarchical Profiler Report

Diff Report: Run #517c1bb406b02: XHProf Run (Namespace=drupal-perf-cottser)
vs.
Run #517c1c27a12c9: XHProf Run (Namespace=drupal-perf-cottser)
Tip: Click a function name below to drill down.

Symfony\Component\HttpFoundation\Request::getAcceptableContentTypes	Run #517c1bb406b02	Run #517c1c27a12c9	Diff	Diff%
Number of Function Calls	3	3	0	0.0%
Incl. Wall Time (microsec)	339	321	-18	-5.3%
Incl. Wall Time (microsec) per call	113	107	-6	-5.3%
Excl. Wall Time (microsec)	31	32	1	3.2%
Incl. CPU (microsecs)	343	328	-15	-4.4%
Incl. CPU (microsecs) per call	114	109	-5	-4.4%
Excl. CPU (microsec)	25	29	4	16.0%
Incl. MemUse (bytes)	43,960	43,952	-8	-0.0%
Incl. MemUse (bytes) per call	14,653	14,651	-3	-0.0%
Excl. MemUse (bytes)	1,040	1,040	0	0.0%
Incl. PeakMemUse (bytes)	43,488	43,552	64	0.1%
Incl. PeakMemUse (bytes) per call	14,496	14,517	21	0.1%
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%	-18	-0.0%	-15	-0.0%	-8	-0.0%	64	0.0%
Exclusive Metrics Diff for Current Function			1	5.6%	4	26.7%	0	0.0%	0	0.0%
*Parent function*
Drupal\Core\ContentNegotiation::getContentType	0	N/A%	-18	-100.0%	-15	-100.0%	-8	-100.0%	64	100.0%
*Child functions*
Symfony\Component\HttpFoundation\AcceptHeader::fromString	0	N/A%	-17	-94.4%	-17	-113.3%	-8	-100.0%	64	100.0%
Symfony\Component\ClassLoader\ClassLoader::loadClass	0	N/A%	-2	-11.1%	-3	-20.0%	0	0.0%	0	0.0%
array_keys	0	N/A%	0	0.0%	-1	-6.7%	0	0.0%	0	0.0%
Symfony\Component\HttpFoundation\AcceptHeader::all	0	N/A%	0	0.0%	-1	-6.7%	0	0.0%	0	0.0%
Symfony\Component\HttpFoundation\HeaderBag::get	0	N/A%	0	0.0%	3	20.0%	0	0.0%	0	0.0%