XHProf: Hierarchical Profiler Report

Diff Report: Run #519c03b86b1ec: XHProf Run (Namespace=drupal-perf-drupalcon)
vs.
Run #519c04ab45451: XHProf Run (Namespace=drupal-perf-drupalcon)
Tip: Click a function name below to drill down.

Drupal\views\Plugin\views\query\Sql::add_field	Run #519c03b86b1ec	Run #519c04ab45451	Diff	Diff%
Number of Function Calls	8	8	0	0.0%
Incl. Wall Time (microsec)	367	365	-2	-0.5%
Incl. Wall Time (microsec) per call	46	46	-0	-0.5%
Excl. Wall Time (microsec)	205	203	-2	-1.0%
Incl. CPU (microsecs)	381	379	-2	-0.5%
Incl. CPU (microsecs) per call	48	47	-0	-0.5%
Excl. CPU (microsec)	184	179	-5	-2.7%
Incl. MemUse (bytes)	6,520	6,520	0	0.0%
Incl. MemUse (bytes) per call	815	815	0	0.0%
Excl. MemUse (bytes)	3,964	3,964	0	0.0%
Incl. PeakMemUse (bytes)	7,168	7,168	0	0.0%
Incl. PeakMemUse (bytes) per call	896	896	0	0.0%
Excl. PeakMemUse (bytes)	5,440	5,440	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\views\Plugin\views\query\Sql::add_field	0	N/A%	-2	-0.3%	-2	-0.1%	0	0.0%	0	0.0%
Exclusive Metrics Diff for Current Function			-2	-100.0%	-5	-250.0%	0	N/A%	0	N/A%
*Parent functions*
Drupal\views\Plugin\views\query\Sql::query	0	N/A%	-1	-50.0%	0	0.0%	0	N/A%	0	N/A%
Drupal\views\Plugin\views\row\RowPluginBase::query	0	N/A%	-1	-50.0%	0	0.0%	0	N/A%	0	N/A%
Drupal\views\Plugin\views\query\Sql::add_orderby	0	N/A%	-1	-50.0%	-1	-50.0%	0	N/A%	0	N/A%
Drupal\views\Plugin\views\field\FieldPluginBase::add_additional_fields	0	N/A%	1	50.0%	1	50.0%	0	N/A%	0	N/A%
Drupal\views\Plugin\views\field\FieldPluginBase::query	0	N/A%	0	0.0%	-2	-100.0%	0	N/A%	0	N/A%
*Child functions*
strtolower	0	N/A%	0	0.0%	-1	-50.0%	0	N/A%	0	N/A%
substr	0	N/A%	0	0.0%	1	50.0%	0	N/A%	0	N/A%
Drupal\views\Plugin\Core\Entity\View::get	0	N/A%	0	0.0%	3	150.0%	0	N/A%	0	N/A%