XHProf: Hierarchical Profiler Report

Diff Report: Run #519d44ffb3845: XHProf Run (Namespace=drupal-perf-drupalcon)
vs.
Run #519d45a7cd8f5: XHProf Run (Namespace=drupal-perf-drupalcon)
Tip: Click a function name below to drill down.

Drupal\Core\Database\Connection::select	Run #519d44ffb3845	Run #519d45a7cd8f5	Diff	Diff%
Number of Function Calls	12	12	0	0.0%
Incl. Wall Time (microsec)	2,924	2,873	-51	-1.7%
Incl. Wall Time (microsec) per call	244	239	-4	-1.7%
Excl. Wall Time (microsec)	209	211	2	1.0%
Incl. CPU (microsecs)	2,946	2,895	-51	-1.7%
Incl. CPU (microsecs) per call	246	241	-4	-1.7%
Excl. CPU (microsec)	197	196	-1	-0.5%
Incl. MemUse (bytes)	161,408	161,408	0	0.0%
Incl. MemUse (bytes) per call	13,451	13,451	0	0.0%
Excl. MemUse (bytes)	19,700	19,700	0	0.0%
Incl. PeakMemUse (bytes)	144,740	144,740	0	0.0%
Incl. PeakMemUse (bytes) per call	12,062	12,062	0	0.0%
Excl. PeakMemUse (bytes)	11,796	11,796	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\Database\Connection::select	0	N/A%	-51	-2.2%	-51	-11.0%	0	N/A%	0	N/A%
Exclusive Metrics Diff for Current Function			2	3.9%	-1	-2.0%	0	N/A%	0	N/A%
*Parent functions*
Drupal\user\UserData::get	0	N/A%	-58	-113.7%	-57	-111.8%	0	N/A%	0	N/A%
db_select	0	N/A%	9	17.6%	10	19.6%	0	N/A%	0	N/A%
Drupal\Core\Database\Query\Merge::execute	0	N/A%	-5	-9.8%	-5	-9.8%	0	N/A%	0	N/A%
Drupal\field_sql_storage\Entity\Query::prepare	0	N/A%	1	2.0%	0	0.0%	0	N/A%	0	N/A%
Drupal\views\Plugin\views\query\Sql::query	0	N/A%	1	2.0%	0	0.0%	0	N/A%	0	N/A%
Drupal\Core\Database\Query\Select::countQuery	0	N/A%	1	2.0%	1	2.0%	0	N/A%	0	N/A%
*Child functions*
Drupal\Core\Database\Connection::getDriverClass	0	N/A%	-54	-105.9%	-50	-98.0%	0	N/A%	0	N/A%
Drupal\Core\Database\Query\Select::__construct	0	N/A%	1	2.0%	0	0.0%	0	N/A%	0	N/A%