XHProf: Hierarchical Profiler Report

Diff Report: Run #51abc4cb0a647: XHProf Run (Namespace=drupal-perf-cottser)
vs.
Run #51abc563dc23f: XHProf Run (Namespace=drupal-perf-cottser)
Tip: Click a function name below to drill down.

Symfony\Component\HttpFoundation\Request::getAcceptableContentTypes	Run #51abc4cb0a647	Run #51abc563dc23f	Diff	Diff%
Number of Function Calls	9	9	0	0.0%
Incl. Wall Time (microsec)	1,128	1,120	-8	-0.7%
Incl. Wall Time (microsec) per call	125	124	-1	-0.7%
Excl. Wall Time (microsec)	70	69	-1	-1.4%
Incl. CPU (microsecs)	1,137	1,131	-6	-0.5%
Incl. CPU (microsecs) per call	126	126	-1	-0.5%
Excl. CPU (microsec)	57	58	1	1.8%
Incl. MemUse (bytes)	54,304	54,304	0	0.0%
Incl. MemUse (bytes) per call	6,034	6,034	0	0.0%
Excl. MemUse (bytes)	-4,776	-4,776	0	0.0%
Incl. PeakMemUse (bytes)	45,576	45,576	0	0.0%
Incl. PeakMemUse (bytes) per call	5,064	5,064	0	0.0%
Excl. PeakMemUse (bytes)	2,528	2,528	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%	-8	-3.9%	-6	-4.9%	0	N/A%	0	N/A%
Exclusive Metrics Diff for Current Function			-1	-12.5%	1	16.7%	0	N/A%	0	N/A%
*Parent functions*
Drupal\Core\Routing\MimeTypeMatcher::filter	0	N/A%	-8	-100.0%	-10	-166.7%	0	N/A%	0	N/A%
Drupal\Core\ContentNegotiation::getContentType	0	N/A%	0	0.0%	4	66.7%	0	N/A%	0	N/A%
*Child functions*
Symfony\Component\HttpFoundation\HeaderBag::get	0	N/A%	-3	-37.5%	-5	-83.3%	0	N/A%	0	N/A%
Symfony\Component\HttpFoundation\AcceptHeader::fromString	0	N/A%	-3	-37.5%	-3	-50.0%	0	N/A%	0	N/A%
Symfony\Component\HttpFoundation\AcceptHeader::all	0	N/A%	-2	-25.0%	-1	-16.7%	0	N/A%	0	N/A%
Symfony\Component\ClassLoader\ApcClassLoader::loadClass	0	N/A%	1	12.5%	1	16.7%	0	N/A%	0	N/A%
array_keys	0	N/A%	0	0.0%	1	16.7%	0	N/A%	0	N/A%