XHProf: Hierarchical Profiler Report

Diff Report: Run #518ed14bbba55: XHProf Run (Namespace=drupal-perf-cottser)
vs.
Run #518eceb4aac68: XHProf Run (Namespace=drupal-perf-cottser)
Tip: Click a function name below to drill down.

Symfony\Component\HttpFoundation\Request::getAcceptableContentTypes	Run #518ed14bbba55	Run #518eceb4aac68	Diff	Diff%
Number of Function Calls	3	3	0	0.0%
Incl. Wall Time (microsec)	249	286	37	14.9%
Incl. Wall Time (microsec) per call	83	95	12	14.9%
Excl. Wall Time (microsec)	29	25	-4	-13.8%
Incl. CPU (microsecs)	254	292	38	15.0%
Incl. CPU (microsecs) per call	85	97	13	15.0%
Excl. CPU (microsec)	31	24	-7	-22.6%
Incl. MemUse (bytes)	43,952	43,952	0	0.0%
Incl. MemUse (bytes) per call	14,651	14,651	0	0.0%
Excl. MemUse (bytes)	1,040	1,040	0	0.0%
Incl. PeakMemUse (bytes)	43,496	43,432	-64	-0.1%
Incl. PeakMemUse (bytes) per call	14,499	14,477	-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%	37	13.5%	38	12.2%	0	0.0%	-64	-0.3%
Exclusive Metrics Diff for Current Function			-4	-10.8%	-7	-18.4%	0	N/A%	0	0.0%
*Parent function*
Drupal\Core\ContentNegotiation::getContentType	0	N/A%	37	100.0%	38	100.0%	0	N/A%	-64	-100.0%
*Child functions*
Symfony\Component\HttpFoundation\AcceptHeader::fromString	0	N/A%	45	121.6%	44	115.8%	0	N/A%	0	0.0%
Symfony\Component\ClassLoader\ApcClassLoader::loadClass	0	N/A%	-4	-10.8%	-3	-7.9%	0	N/A%	-64	-100.0%
array_keys	0	N/A%	0	0.0%	1	2.6%	0	N/A%	0	0.0%
Symfony\Component\HttpFoundation\AcceptHeader::all	0	N/A%	0	0.0%	1	2.6%	0	N/A%	0	0.0%
Symfony\Component\HttpFoundation\HeaderBag::get	0	N/A%	0	0.0%	2	5.3%	0	N/A%	0	0.0%