XHProf: Hierarchical Profiler Report

Diff Report: Run #519e62c02d767: XHProf Run (Namespace=drupal-perf-drupalcon)
vs.
Run #519e633ddef65: XHProf Run (Namespace=drupal-perf-drupalcon)
Tip: Click a function name below to drill down.

Symfony\Component\HttpFoundation\Request::getAcceptableContentTypes	Run #519e62c02d767	Run #519e633ddef65	Diff	Diff%
Number of Function Calls	3	3	0	0.0%
Incl. Wall Time (microsec)	253	220	-33	-13.0%
Incl. Wall Time (microsec) per call	84	73	-11	-13.0%
Excl. Wall Time (microsec)	63	33	-30	-47.6%
Incl. CPU (microsecs)	258	223	-35	-13.6%
Incl. CPU (microsecs) per call	86	74	-12	-13.6%
Excl. CPU (microsec)	56	21	-35	-62.5%
Incl. MemUse (bytes)	43,832	43,832	0	0.0%
Incl. MemUse (bytes) per call	14,611	14,611	0	0.0%
Excl. MemUse (bytes)	1,064	1,064	0	0.0%
Incl. PeakMemUse (bytes)	43,776	43,776	0	0.0%
Incl. PeakMemUse (bytes) per call	14,592	14,592	0	0.0%
Excl. PeakMemUse (bytes)	2,216	2,216	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%	-33	-8.4%	-35	-5.6%	0	N/A%	0	N/A%
Exclusive Metrics Diff for Current Function			-30	-90.9%	-35	-100.0%	0	N/A%	0	N/A%
*Parent function*
Drupal\Core\ContentNegotiation::getContentType	0	N/A%	-33	-100.0%	-35	-100.0%	0	N/A%	0	N/A%
*Child functions*
Symfony\Component\HttpFoundation\AcceptHeader::fromString	0	N/A%	-2	-6.1%	-2	-5.7%	0	N/A%	0	N/A%
Symfony\Component\ClassLoader\ApcClassLoader::loadClass	0	N/A%	-1	-3.0%	0	0.0%	0	N/A%	0	N/A%
array_keys	0	N/A%	0	0.0%	0	0.0%	0	N/A%	0	N/A%
Symfony\Component\HttpFoundation\AcceptHeader::all	0	N/A%	0	0.0%	1	2.9%	0	N/A%	0	N/A%
Symfony\Component\HttpFoundation\HeaderBag::get	0	N/A%	0	0.0%	1	2.9%	0	N/A%	0	N/A%