XHProf: Hierarchical Profiler Report

Diff Report: Run #52f5cbc19a0d8: XHProf Run (Namespace=drupal-perf-cottser)
vs.
Run #52f5cb0964fa0: XHProf Run (Namespace=drupal-perf-cottser)
Tip: Click a function name below to drill down.

Drupal\Core\Field\Plugin\Field\FieldType\StringItem::getPropertyDefinitions	Run #52f5cbc19a0d8	Run #52f5cb0964fa0	Diff	Diff%
Number of Function Calls	84	84	0	0.0%
Incl. Wall Time (microsec)	124	174	50	40.3%
Incl. Wall Time (microsec) per call	1	2	1	40.3%
Excl. Wall Time (microsec)	90	138	48	53.3%
Incl. CPU (microsecs)	175	233	58	33.1%
Incl. CPU (microsecs) per call	2	3	1	33.1%
Excl. CPU (microsec)	135	192	57	42.2%
Incl. MemUse (bytes)	33,528	33,552	24	0.1%
Incl. MemUse (bytes) per call	399	399	0	0.1%
Excl. MemUse (bytes)	30,464	30,488	24	0.1%
Incl. PeakMemUse (bytes)	9,048	9,072	24	0.3%
Incl. PeakMemUse (bytes) per call	108	108	0	0.3%
Excl. PeakMemUse (bytes)	5,624	5,648	24	0.4%

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\StringItem::getPropertyDefinitions	0	N/A%	50	53.8%	58	29.7%	24	0.1%	24	0.1%
Exclusive Metrics Diff for Current Function			48	96.0%	57	98.3%	24	100.0%	24	100.0%
*Parent functions*
Drupal\Core\Field\FieldItemBase::__construct	0	N/A%	50	100.0%	49	84.5%	24	100.0%	24	100.0%
Drupal\Core\Field\FieldItemBase::setValue	0	N/A%	0	0.0%	3	5.2%	0	0.0%	0	0.0%
Drupal\Core\TypedData\Plugin\DataType\Map::getProperties	0	N/A%	0	0.0%	6	10.3%	0	0.0%	0	0.0%
Drupal\Core\TypedData\Plugin\DataType\Map::getPropertyDefinition	0	N/A%	0	0.0%	0	0.0%	0	0.0%	0	0.0%
*Child functions*
t	0	N/A%	3	6.0%	2	3.4%	0	0.0%	0	0.0%
Drupal\Core\TypedData\DataDefinition::create	0	N/A%	-1	-2.0%	-1	-1.7%	0	0.0%	0	0.0%
Drupal\Core\TypedData\DataDefinition::setLabel	0	N/A%	0	0.0%	0	0.0%	0	0.0%	0	0.0%