XHProf: Hierarchical Profiler Report

Diff Report: Run #53ccf1bb00d4b: XHProf Run (Namespace=drupal-perf-cottser)
vs.
Run #53ccf06f3ae60: XHProf Run (Namespace=drupal-perf-cottser)
Tip: Click a function name below to drill down.

Drupal\Core\Field\Plugin\Field\FieldType\EntityReferenceItem::schema	Run #53ccf1bb00d4b	Run #53ccf06f3ae60	Diff	Diff%
Number of Function Calls	4	4	0	0.0%
Incl. Wall Time (microsec)	2,679	2,658	-21	-0.8%
Incl. Wall Time (microsec) per call	670	665	-5	-0.8%
Excl. Wall Time (microsec)	61	58	-3	-4.9%
Incl. CPU (microsecs)	2,684	2,661	-23	-0.9%
Incl. CPU (microsecs) per call	671	665	-6	-0.9%
Excl. CPU (microsec)	45	38	-7	-15.6%
Incl. MemUse (bytes)	553,576	553,584	8	0.0%
Incl. MemUse (bytes) per call	138,394	138,396	2	0.0%
Excl. MemUse (bytes)	11,120	11,120	0	0.0%
Incl. PeakMemUse (bytes)	539,640	539,392	-248	-0.0%
Incl. PeakMemUse (bytes) per call	134,910	134,848	-62	-0.0%
Excl. PeakMemUse (bytes)	7,840	7,840	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\Field\Plugin\Field\FieldType\EntityReferenceItem::schema	0	N/A%	-21	-1.4%	-23	-1.4%	8	0.1%	-248	-2.3%
Exclusive Metrics Diff for Current Function			-3	-14.3%	-7	-30.4%	0	0.0%	0	0.0%
*Parent function*
Drupal\entity_reference\ConfigurableEntityReferenceItem::schema	0	N/A%	-21	-100.0%	-23	-100.0%	8	100.0%	-248	-100.0%
*Child functions*
Drupal\Core\Entity\EntityManager::getDefinition	0	N/A%	-21	-100.0%	-21	-91.3%	8	100.0%	-248	-100.0%
Drupal\Core\Field\FieldDefinition::getSetting	0	N/A%	2	9.5%	2	8.7%	0	0.0%	0	0.0%
Drupal\Core\Entity\EntityType::isSubclassOf	0	N/A%	1	4.8%	0	0.0%	0	0.0%	0	0.0%
Drupal\Core\Entity\EntityType::getBundleOf	0	N/A%	0	0.0%	3	13.0%	0	0.0%	0	0.0%
Drupal::entityManager	0	N/A%	0	0.0%	0	0.0%	0	0.0%	0	0.0%