XHProf: Hierarchical Profiler Report

Diff Report: Run #5185c8620c8e8: XHProf Run (Namespace=drupal-perf-fabianx)
vs.
Run #5185cca3dd8d9: XHProf Run (Namespace=drupal-perf-fabianx)
Tip: Click a function name below to drill down.

Symfony\Component\HttpFoundation\HeaderBag::has	Run #5185c8620c8e8	Run #5185cca3dd8d9	Diff	Diff%
Number of Function Calls	16	16	0	0.0%
Incl. Wall Time (microsec)	125	124	-1	-0.8%
Incl. Wall Time (microsec) per call	8	8	-0	-0.8%
Excl. Wall Time (microsec)	114	114	0	0.0%
Incl. CPU (microsecs)	0	0	0	N/A%
Incl. CPU (microsecs) per call	0	0	0	N/A%
Excl. CPU (microsec)	0	0	0	N/A%
Incl. MemUse (bytes)	11,736	11,760	24	0.2%
Incl. MemUse (bytes) per call	734	735	2	0.2%
Excl. MemUse (bytes)	6,408	6,432	24	0.4%
Incl. PeakMemUse (bytes)	6,776	7,160	384	5.7%
Incl. PeakMemUse (bytes) per call	424	448	24	5.7%
Excl. PeakMemUse (bytes)	3,448	3,832	384	11.1%

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::has	0	N/A%	-1	-0.0%	0	0.0%	24	0.0%	384	0.0%
Exclusive Metrics Diff for Current Function			0	0.0%	0	N/A%	24	100.0%	384	100.0%
*Parent functions*
Symfony\Component\HttpFoundation\Response::prepare	0	N/A%	-1	-100.0%	0	N/A%	0	0.0%	0	0.0%
Symfony\Component\HttpKernel\HttpKernel::handleException	0	N/A%	0	0.0%	0	N/A%	24	100.0%	0	0.0%
Symfony\Component\HttpFoundation\Response::__construct	0	N/A%	0	0.0%	0	N/A%	0	0.0%	384	100.0%
Symfony\Component\HttpFoundation\ResponseHeaderBag::computeCacheControlValue	0	N/A%	0	0.0%	0	N/A%	0	0.0%	0	0.0%
Symfony\Component\HttpFoundation\Request::prepareRequestUri	0	N/A%	0	0.0%	0	N/A%	0	0.0%	0	0.0%
*Child functions*
strtr	0	N/A%	-2	-200.0%	0	N/A%	0	0.0%	0	0.0%
strtolower	0	N/A%	1	100.0%	0	N/A%	0	0.0%	0	0.0%
array_key_exists	0	N/A%	0	0.0%	0	N/A%	0	0.0%	0	0.0%