XHProf: Hierarchical Profiler Report

Diff Report: Run #534ad8dec7444: XHProf Run (Namespace=drupal-perf-drupalcon)
vs.
Run #534ad9c94e95b: XHProf Run (Namespace=drupal-perf-drupalcon)
Tip: Click a function name below to drill down.

Drupal\Core\Session\UserSession::hasPermission	Run #534ad8dec7444	Run #534ad9c94e95b	Diff	Diff%
Number of Function Calls	59	59	0	0.0%
Incl. Wall Time (microsec)	24,064	23,649	-415	-1.7%
Incl. Wall Time (microsec) per call	408	401	-7	-1.7%
Excl. Wall Time (microsec)	1,208	1,203	-5	-0.4%
Incl. CPU (microsecs)	23,248	22,925	-323	-1.4%
Incl. CPU (microsecs) per call	394	389	-5	-1.4%
Excl. CPU (microsec)	914	923	9	1.0%
Incl. MemUse (bytes)	499,968	499,968	0	0.0%
Incl. MemUse (bytes) per call	8,474	8,474	0	0.0%
Excl. MemUse (bytes)	-15,760	-15,760	0	0.0%
Incl. PeakMemUse (bytes)	526,264	526,144	-120	-0.0%
Incl. PeakMemUse (bytes) per call	8,920	8,918	-2	-0.0%
Excl. PeakMemUse (bytes)	1,640	1,640	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*
Drupal\Core\Session\UserSession::hasPermission	0	N/A%	-415	-25.2%	-323	-64.7%	0	0.0%	-120	-0.5%
Exclusive Metrics Diff for Current Function			-5	-1.2%	9	2.8%	0	N/A%	0	0.0%
*Parent function*
Drupal\Core\Session\AccountProxy::hasPermission	0	N/A%	-415	-100.0%	-323	-100.0%	0	N/A%	-120	-100.0%
*Child functions*
Drupal\Core\Config\Entity\ConfigEntityStorage::loadMultiple	0	N/A%	-341	-82.2%	-274	-84.8%	-8	N/A%	40	33.3%
Drupal\Core\Entity\EntityManager::getStorage	0	N/A%	-69	-16.6%	-54	-16.7%	8	N/A%	8	6.7%
Drupal\user\Entity\Role::hasPermission	0	N/A%	7	1.7%	6	1.9%	0	N/A%	0	0.0%
Drupal\Core\Session\UserSession::getRoles	0	N/A%	-4	-1.0%	-9	-2.8%	0	N/A%	0	0.0%
Drupal::entityManager	0	N/A%	-2	-0.5%	4	1.2%	0	N/A%	-168	-140.0%
Drupal\Core\Session\UserSession::id	0	N/A%	-1	-0.2%	-5	-1.5%	0	N/A%	0	0.0%