XHProf: Hierarchical Profiler Report

Diff Report: Run #519d9cf28420e: XHProf Run (Namespace=drupal-perf-drupalcon)
vs.
Run #519d9d94433aa: XHProf Run (Namespace=drupal-perf-drupalcon)
Tip: Click a function name below to drill down.

Symfony\Component\HttpFoundation\Request::getAcceptableContentTypes	Run #519d9cf28420e	Run #519d9d94433aa	Diff	Diff%
Number of Function Calls	3	3	0	0.0%
Incl. Wall Time (microsec)	729	731	2	0.3%
Incl. Wall Time (microsec) per call	243	244	1	0.3%
Excl. Wall Time (microsec)	33	31	-2	-6.1%
Incl. CPU (microsecs)	731	736	5	0.7%
Incl. CPU (microsecs) per call	244	245	2	0.7%
Excl. CPU (microsec)	27	31	4	14.8%
Incl. MemUse (bytes)	143,224	143,280	56	0.0%
Incl. MemUse (bytes) per call	47,741	47,760	19	0.0%
Excl. MemUse (bytes)	-368	-352	16	4.3%
Incl. PeakMemUse (bytes)	146,832	146,808	-24	-0.0%
Incl. PeakMemUse (bytes) per call	48,944	48,936	-8	-0.0%
Excl. PeakMemUse (bytes)	184	184	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%	5	0.5%	56	0.1%	-24	-0.0%
Exclusive Metrics Diff for Current Function			-2	-100.0%	4	80.0%	16	28.6%	0	0.0%
*Parent function*
Drupal\Core\ContentNegotiation::getContentType	0	N/A%	2	100.0%	5	100.0%	56	100.0%	-24	-100.0%
*Child functions*
Symfony\Component\ClassLoader\ClassLoader::loadClass	0	N/A%	9	450.0%	8	160.0%	0	0.0%	0	0.0%
Symfony\Component\HttpFoundation\AcceptHeader::fromString	0	N/A%	-6	-300.0%	-6	-120.0%	40	71.4%	-24	-100.0%
Symfony\Component\HttpFoundation\AcceptHeader::all	0	N/A%	1	50.0%	1	20.0%	0	0.0%	0	0.0%
array_keys	0	N/A%	0	0.0%	-1	-20.0%	0	0.0%	0	0.0%
Symfony\Component\HttpFoundation\HeaderBag::get	0	N/A%	0	0.0%	-1	-20.0%	0	0.0%	0	0.0%