XHProf: Hierarchical Profiler Report

Diff Report: Run #519c153c76aa0: XHProf Run (Namespace=drupal-perf-drupalcon)
vs.
Run #519c1639640b3: XHProf Run (Namespace=drupal-perf-drupalcon)
Tip: Click a function name below to drill down.

Symfony\Component\HttpFoundation\Request::getAcceptableContentTypes	Run #519c153c76aa0	Run #519c1639640b3	Diff	Diff%
Number of Function Calls	3	3	0	0.0%
Incl. Wall Time (microsec)	744	720	-24	-3.2%
Incl. Wall Time (microsec) per call	248	240	-8	-3.2%
Excl. Wall Time (microsec)	32	32	0	0.0%
Incl. CPU (microsecs)	749	723	-26	-3.5%
Incl. CPU (microsecs) per call	250	241	-9	-3.5%
Excl. CPU (microsec)	28	26	-2	-7.1%
Incl. MemUse (bytes)	143,296	143,296	0	0.0%
Incl. MemUse (bytes) per call	47,765	47,765	0	0.0%
Excl. MemUse (bytes)	-352	-352	0	0.0%
Incl. PeakMemUse (bytes)	146,832	146,832	0	0.0%
Incl. PeakMemUse (bytes) per call	48,944	48,944	0	0.0%
Excl. PeakMemUse (bytes)	248	248	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%	-24	-12.6%	-26	-20.5%	0	N/A%	0	N/A%
Exclusive Metrics Diff for Current Function			0	0.0%	-2	-7.7%	0	N/A%	0	N/A%
*Parent function*
Drupal\Core\ContentNegotiation::getContentType	0	N/A%	-24	-100.0%	-26	-100.0%	0	N/A%	0	N/A%
*Child functions*
Symfony\Component\HttpFoundation\AcceptHeader::fromString	0	N/A%	-14	-58.3%	-14	-53.8%	0	N/A%	0	N/A%
Symfony\Component\ClassLoader\ClassLoader::loadClass	0	N/A%	-9	-37.5%	-9	-34.6%	0	N/A%	0	N/A%
Symfony\Component\HttpFoundation\AcceptHeader::all	0	N/A%	-1	-4.2%	-1	-3.8%	0	N/A%	0	N/A%
array_keys	0	N/A%	0	0.0%	0	0.0%	0	N/A%	0	N/A%
Symfony\Component\HttpFoundation\HeaderBag::get	0	N/A%	0	0.0%	0	0.0%	0	N/A%	0	N/A%