XHProf: Hierarchical Profiler Report

Diff Report: Run #519d9d52c2102: XHProf Run (Namespace=drupal-perf-drupalcon)
vs.
Run #519d9cf28420e: XHProf Run (Namespace=drupal-perf-drupalcon)
Tip: Click a function name below to drill down.

Symfony\Component\HttpFoundation\Request::getAcceptableContentTypes	Run #519d9d52c2102	Run #519d9cf28420e	Diff	Diff%
Number of Function Calls	3	3	0	0.0%
Incl. Wall Time (microsec)	745	729	-16	-2.1%
Incl. Wall Time (microsec) per call	248	243	-5	-2.1%
Excl. Wall Time (microsec)	30	33	3	10.0%
Incl. CPU (microsecs)	750	731	-19	-2.5%
Incl. CPU (microsecs) per call	250	244	-6	-2.5%
Excl. CPU (microsec)	32	27	-5	-15.6%
Incl. MemUse (bytes)	143,224	143,224	0	0.0%
Incl. MemUse (bytes) per call	47,741	47,741	0	0.0%
Excl. MemUse (bytes)	-368	-368	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)	184	184	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%	-16	-7.2%	-19	-0.8%	0	N/A%	0	N/A%
Exclusive Metrics Diff for Current Function			3	18.8%	-5	-26.3%	0	N/A%	0	N/A%
*Parent function*
Drupal\Core\ContentNegotiation::getContentType	0	N/A%	-16	-100.0%	-19	-100.0%	0	N/A%	0	N/A%
*Child functions*
Symfony\Component\HttpFoundation\AcceptHeader::fromString	0	N/A%	-16	-100.0%	-15	-78.9%	0	N/A%	0	N/A%
Symfony\Component\HttpFoundation\AcceptHeader::all	0	N/A%	-1	-6.2%	0	0.0%	0	N/A%	0	N/A%
Symfony\Component\ClassLoader\ClassLoader::loadClass	0	N/A%	-1	-6.2%	0	0.0%	0	N/A%	0	N/A%
Symfony\Component\HttpFoundation\HeaderBag::get	0	N/A%	-1	-6.2%	0	0.0%	0	N/A%	0	N/A%
array_keys	0	N/A%	0	0.0%	1	5.3%	0	N/A%	0	N/A%