XHProf: Hierarchical Profiler Report

Diff Report: Run #519c153c76aa0: XHProf Run (Namespace=drupal-perf-drupalcon)
vs.
Run #519c1681d41e5: XHProf Run (Namespace=drupal-perf-drupalcon)
Tip: Click a function name below to drill down.

Drupal\views\Plugin\views\query\Sql::add_field	Run #519c153c76aa0	Run #519c1681d41e5	Diff	Diff%
Number of Function Calls	11	11	0	0.0%
Incl. Wall Time (microsec)	376	389	13	3.5%
Incl. Wall Time (microsec) per call	34	35	1	3.5%
Excl. Wall Time (microsec)	193	203	10	5.2%
Incl. CPU (microsecs)	390	400	10	2.6%
Incl. CPU (microsecs) per call	35	36	1	2.6%
Excl. CPU (microsec)	165	164	-1	-0.6%
Incl. MemUse (bytes)	16,760	16,760	0	0.0%
Incl. MemUse (bytes) per call	1,524	1,524	0	0.0%
Excl. MemUse (bytes)	11,632	11,632	0	0.0%
Incl. PeakMemUse (bytes)	11,792	11,792	0	0.0%
Incl. PeakMemUse (bytes) per call	1,072	1,072	0	0.0%
Excl. PeakMemUse (bytes)	8,880	8,880	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%	13	0.3%	10	0.4%	0	0.0%	0	0.0%
Exclusive Metrics Diff for Current Function			10	76.9%	-1	-10.0%	0	N/A%	0	N/A%
*Parent functions*
Drupal\views\Plugin\views\query\Sql::add_orderby	0	N/A%	12	92.3%	11	110.0%	0	N/A%	0	N/A%
Drupal\views\Plugin\views\argument\ArgumentPluginBase::summary_basics	0	N/A%	-1	-7.7%	-1	-10.0%	0	N/A%	0	N/A%
Drupal\views\Plugin\views\argument\String::summary_query	0	N/A%	1	7.7%	0	0.0%	0	N/A%	0	N/A%
Drupal\views\Plugin\views\query\Sql::query	0	N/A%	1	7.7%	1	10.0%	0	N/A%	0	N/A%
Drupal\views\Plugin\views\row\RowPluginBase::query	0	N/A%	0	0.0%	-1	-10.0%	0	N/A%	0	N/A%
*Child functions*
substr	0	N/A%	2	15.4%	13	130.0%	0	N/A%	0	N/A%
strtolower	0	N/A%	1	7.7%	1	10.0%	0	N/A%	0	N/A%
Drupal\views\Plugin\Core\Entity\View::get	0	N/A%	0	0.0%	-3	-30.0%	0	N/A%	0	N/A%