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\Entity\Query\Sql\Tables::getTableMapping	Run #53ccf1bb00d4b	Run #53ccf06f3ae60	Diff	Diff%
Number of Function Calls	7	7	0	0.0%
Incl. Wall Time (microsec)	10,498	10,656	158	1.5%
Incl. Wall Time (microsec) per call	1,500	1,522	23	1.5%
Excl. Wall Time (microsec)	69	68	-1	-1.4%
Incl. CPU (microsecs)	10,190	10,324	134	1.3%
Incl. CPU (microsecs) per call	1,456	1,475	19	1.3%
Excl. CPU (microsec)	52	45	-7	-13.5%
Incl. MemUse (bytes)	1,802,472	1,802,408	-64	-0.0%
Incl. MemUse (bytes) per call	257,496	257,487	-9	-0.0%
Excl. MemUse (bytes)	-2,216	-2,216	0	0.0%
Incl. PeakMemUse (bytes)	1,605,720	1,605,640	-80	-0.0%
Incl. PeakMemUse (bytes) per call	229,389	229,377	-11	-0.0%
Excl. PeakMemUse (bytes)	1,552	1,552	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\Entity\Query\Sql\Tables::getTableMapping	0	N/A%	158	10.4%	134	8.2%	-64	-1.0%	-80	-0.7%
Exclusive Metrics Diff for Current Function			-1	-0.6%	-7	-5.2%	0	0.0%	0	0.0%
*Parent function*
Drupal\Core\Entity\Query\Sql\Tables::addField	0	N/A%	158	100.0%	134	100.0%	-64	-100.0%	-80	-100.0%
*Child functions*
Drupal\Core\Entity\Sql\DefaultTableMapping::getAllColumns	0	N/A%	119	75.3%	120	89.6%	-64	-100.0%	-352	-440.0%
drupal_get_schema	0	N/A%	38	24.1%	18	13.4%	-8	-12.5%	272	340.0%
array_flip	0	N/A%	4	2.5%	1	0.7%	8	12.5%	0	0.0%
Drupal\Core\Entity\ContentEntityDatabaseStorage::getTableMapping	0	N/A%	-1	-0.6%	3	2.2%	0	0.0%	0	0.0%
Drupal\Core\Entity\EntityManager::getStorage	0	N/A%	-1	-0.6%	-2	-1.5%	0	0.0%	0	0.0%
array_keys	0	N/A%	0	0.0%	1	0.7%	0	0.0%	0	0.0%