XHProf: Hierarchical Profiler Report

Diff Report: Run #51aaed0fcbd4e: XHProf Run (Namespace=drupal-perf-cottser)
vs.
Run #51aaed63de9a0: XHProf Run (Namespace=drupal-perf-cottser)
Tip: Click a function name below to drill down.

Symfony\Component\HttpFoundation\HeaderBag::get	Run #51aaed0fcbd4e	Run #51aaed63de9a0	Diff	Diff%
Number of Function Calls	21	21	0	0.0%
Incl. Wall Time (microsec)	273	272	-1	-0.4%
Incl. Wall Time (microsec) per call	13	13	-0	-0.4%
Excl. Wall Time (microsec)	231	228	-3	-1.3%
Incl. CPU (microsecs)	295	300	5	1.7%
Incl. CPU (microsecs) per call	14	14	0	1.7%
Excl. CPU (microsec)	173	180	7	4.0%
Incl. MemUse (bytes)	9,072	9,072	0	0.0%
Incl. MemUse (bytes) per call	432	432	0	0.0%
Excl. MemUse (bytes)	4,472	4,472	0	0.0%
Incl. PeakMemUse (bytes)	5,320	5,320	0	0.0%
Incl. PeakMemUse (bytes) per call	253	253	0	0.0%
Excl. PeakMemUse (bytes)	3,792	3,792	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\HeaderBag::get	0	N/A%	-1	-0.2%	5	3.0%	0	N/A%	0	N/A%
Exclusive Metrics Diff for Current Function			-3	-300.0%	7	140.0%	0	N/A%	0	N/A%
*Parent functions*
Symfony\Component\HttpFoundation\Request::getAcceptableContentTypes	0	N/A%	-2	-200.0%	0	0.0%	0	N/A%	0	N/A%
Symfony\Component\HttpFoundation\Response::prepare	0	N/A%	1	100.0%	1	20.0%	0	N/A%	0	N/A%
Symfony\Component\HttpFoundation\Request::createFromGlobals	0	N/A%	-1	-100.0%	-1	-20.0%	0	N/A%	0	N/A%
Symfony\Component\HttpFoundation\Request::getHost	0	N/A%	1	100.0%	4	80.0%	0	N/A%	0	N/A%
Symfony\Component\HttpFoundation\Request::isXmlHttpRequest	0	N/A%	0	0.0%	1	20.0%	0	N/A%	0	N/A%
*Child functions*
array_key_exists	0	N/A%	2	200.0%	5	100.0%	0	N/A%	0	N/A%
count	0	N/A%	0	0.0%	-3	-60.0%	0	N/A%	0	N/A%
strtr	0	N/A%	0	0.0%	-6	-120.0%	0	N/A%	0	N/A%
strtolower	0	N/A%	0	0.0%	2	40.0%	0	N/A%	0	N/A%