XHProf: Hierarchical Profiler Report

Diff Report: Run #51aad207381a1: XHProf Run (Namespace=drupal-perf-cottser)
vs.
Run #51aad15cb89bb: XHProf Run (Namespace=drupal-perf-cottser)
Tip: Click a function name below to drill down.

Symfony\Component\HttpFoundation\HeaderBag::get	Run #51aad207381a1	Run #51aad15cb89bb	Diff	Diff%
Number of Function Calls	21	21	0	0.0%
Incl. Wall Time (microsec)	271	281	10	3.7%
Incl. Wall Time (microsec) per call	13	13	0	3.7%
Excl. Wall Time (microsec)	222	232	10	4.5%
Incl. CPU (microsecs)	295	304	9	3.1%
Incl. CPU (microsecs) per call	14	14	0	3.1%
Excl. CPU (microsec)	178	179	1	0.6%
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%	10	1.2%	9	1.9%	0	N/A%	0	N/A%
Exclusive Metrics Diff for Current Function			10	100.0%	1	11.1%	0	N/A%	0	N/A%
*Parent functions*
Symfony\Component\HttpFoundation\Request::getAcceptableContentTypes	0	N/A%	7	70.0%	9	100.0%	0	N/A%	0	N/A%
Symfony\Component\HttpFoundation\Request::isXmlHttpRequest	0	N/A%	1	10.0%	0	0.0%	0	N/A%	0	N/A%
Symfony\Component\HttpFoundation\Request::getHost	0	N/A%	1	10.0%	0	0.0%	0	N/A%	0	N/A%
Symfony\Component\HttpFoundation\Response::prepare	0	N/A%	1	10.0%	-1	-11.1%	0	N/A%	0	N/A%
Symfony\Component\HttpFoundation\Request::createFromGlobals	0	N/A%	0	0.0%	1	11.1%	0	N/A%	0	N/A%
*Child functions*
count	0	N/A%	1	10.0%	2	22.2%	0	N/A%	0	N/A%
array_key_exists	0	N/A%	1	10.0%	8	88.9%	0	N/A%	0	N/A%
strtr	0	N/A%	-1	-10.0%	0	0.0%	0	N/A%	0	N/A%
strtolower	0	N/A%	-1	-10.0%	-2	-22.2%	0	N/A%	0	N/A%