XHProf: Hierarchical Profiler Report

Diff Report: Run #519ff693b4ca2: XHProf Run (Namespace=drupal-perf-drupalcon)
vs.
Run #519ff79b9e81a: XHProf Run (Namespace=drupal-perf-drupalcon)
Tip: Click a function name below to drill down.

Symfony\Component\HttpFoundation\HeaderBag::get	Run #519ff693b4ca2	Run #519ff79b9e81a	Diff	Diff%
Number of Function Calls	12	12	0	0.0%
Incl. Wall Time (microsec)	221	221	0	0.0%
Incl. Wall Time (microsec) per call	18	18	0	0.0%
Excl. Wall Time (microsec)	166	165	-1	-0.6%
Incl. CPU (microsecs)	242	242	0	0.0%
Incl. CPU (microsecs) per call	20	20	0	0.0%
Excl. CPU (microsec)	146	142	-4	-2.7%
Incl. MemUse (bytes)	9,072	9,072	0	0.0%
Incl. MemUse (bytes) per call	756	756	0	0.0%
Excl. MemUse (bytes)	5,048	5,048	0	0.0%
Incl. PeakMemUse (bytes)	8,768	8,768	0	0.0%
Incl. PeakMemUse (bytes) per call	731	731	0	0.0%
Excl. PeakMemUse (bytes)	6,416	6,416	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%	0	0.0%	0	0.0%	0	N/A%	0	N/A%
Exclusive Metrics Diff for Current Function			-1	N/A%	-4	N/A%	0	N/A%	0	N/A%
*Parent functions*
Symfony\Component\HttpFoundation\Request::createFromGlobals	0	N/A%	-1	N/A%	-1	N/A%	0	N/A%	0	N/A%
Symfony\Component\HttpFoundation\Request::getHost	0	N/A%	1	N/A%	2	N/A%	0	N/A%	0	N/A%
Symfony\Component\HttpFoundation\Response::prepare	0	N/A%	0	N/A%	2	N/A%	0	N/A%	0	N/A%
Symfony\Component\HttpFoundation\Request::getAcceptableContentTypes	0	N/A%	0	N/A%	0	N/A%	0	N/A%	0	N/A%
Symfony\Component\HttpFoundation\Request::isXmlHttpRequest	0	N/A%	0	N/A%	-3	N/A%	0	N/A%	0	N/A%
*Child functions*
strtr	0	N/A%	1	N/A%	1	N/A%	0	N/A%	0	N/A%
count	0	N/A%	0	N/A%	2	N/A%	0	N/A%	0	N/A%
array_key_exists	0	N/A%	0	N/A%	2	N/A%	0	N/A%	0	N/A%
strtolower	0	N/A%	0	N/A%	-1	N/A%	0	N/A%	0	N/A%