XHProf: Hierarchical Profiler Report

Diff Report: Run #518fbcc2155d3: XHProf Run (Namespace=drupal-perf-cottser)
vs.
Run #518fb7370421e: XHProf Run (Namespace=drupal-perf-cottser)
Tip: Click a function name below to drill down.

Symfony\Component\HttpFoundation\Request::getAcceptableContentTypes	Run #518fbcc2155d3	Run #518fb7370421e	Diff	Diff%
Number of Function Calls	2	2	0	0.0%
Incl. Wall Time (microsec)	251	247	-4	-1.6%
Incl. Wall Time (microsec) per call	126	124	-2	-1.6%
Excl. Wall Time (microsec)	35	33	-2	-5.7%
Incl. CPU (microsecs)	255	250	-5	-2.0%
Incl. CPU (microsecs) per call	128	125	-3	-2.0%
Excl. CPU (microsec)	32	31	-1	-3.1%
Incl. MemUse (bytes)	43,952	43,952	0	0.0%
Incl. MemUse (bytes) per call	21,976	21,976	0	0.0%
Excl. MemUse (bytes)	1,040	1,040	0	0.0%
Incl. PeakMemUse (bytes)	42,624	42,624	0	0.0%
Incl. PeakMemUse (bytes) per call	21,312	21,312	0	0.0%
Excl. PeakMemUse (bytes)	1,872	1,872	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%	-4	-2.7%	-5	-0.7%	0	N/A%	0	N/A%
Exclusive Metrics Diff for Current Function			-2	-50.0%	-1	-20.0%	0	N/A%	0	N/A%
*Parent function*
Drupal\Core\ContentNegotiation::getContentType	0	N/A%	-4	-100.0%	-5	-100.0%	0	N/A%	0	N/A%
*Child functions*
Symfony\Component\HttpFoundation\AcceptHeader::all	0	N/A%	1	25.0%	0	0.0%	0	N/A%	0	N/A%
Symfony\Component\ClassLoader\ApcClassLoader::loadClass	0	N/A%	-1	-25.0%	-1	-20.0%	0	N/A%	0	N/A%
Symfony\Component\HttpFoundation\AcceptHeader::fromString	0	N/A%	-1	-25.0%	-1	-20.0%	0	N/A%	0	N/A%
Symfony\Component\HttpFoundation\HeaderBag::get	0	N/A%	-1	-25.0%	-1	-20.0%	0	N/A%	0	N/A%
array_keys	0	N/A%	0	0.0%	-1	-20.0%	0	N/A%	0	N/A%