XHProf: Hierarchical Profiler Report

Diff Report: Run #519ff693b4ca2: XHProf Run (Namespace=drupal-perf-drupalcon)
vs.
Run #519ff7de62889: XHProf Run (Namespace=drupal-perf-drupalcon)
Tip: Click a function name below to drill down.

Symfony\Component\HttpFoundation\Request::getAcceptableContentTypes	Run #519ff693b4ca2	Run #519ff7de62889	Diff	Diff%
Number of Function Calls	3	3	0	0.0%
Incl. Wall Time (microsec)	471	469	-2	-0.4%
Incl. Wall Time (microsec) per call	157	156	-1	-0.4%
Excl. Wall Time (microsec)	46	47	1	2.2%
Incl. CPU (microsecs)	477	475	-2	-0.4%
Incl. CPU (microsecs) per call	159	158	-1	-0.4%
Excl. CPU (microsec)	36	37	1	2.8%
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)	44,160	44,160	0	0.0%
Incl. PeakMemUse (bytes) per call	14,720	14,720	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%	-2	-0.2%	-2	-0.2%	0	0.0%	0	0.0%
Exclusive Metrics Diff for Current Function			1	50.0%	1	50.0%	0	N/A%	0	N/A%
*Parent function*
Drupal\Core\ContentNegotiation::getContentType	0	N/A%	-2	-100.0%	-2	-100.0%	0	N/A%	0	N/A%
*Child functions*
Symfony\Component\HttpFoundation\AcceptHeader::fromString	0	N/A%	-3	-150.0%	-3	-150.0%	0	N/A%	0	N/A%
Symfony\Component\HttpFoundation\HeaderBag::get	0	N/A%	-1	-50.0%	-2	-100.0%	0	N/A%	0	N/A%
Symfony\Component\ClassLoader\ClassLoader::loadClass	0	N/A%	1	50.0%	5	250.0%	0	N/A%	0	N/A%
array_keys	0	N/A%	0	0.0%	-2	-100.0%	0	N/A%	0	N/A%
Symfony\Component\HttpFoundation\AcceptHeader::all	0	N/A%	0	0.0%	-1	-50.0%	0	N/A%	0	N/A%