XHProf: Hierarchical Profiler Report

Diff Report: Run #51978cc86c728: XHProf Run (Namespace=drupal-perf-cottser)
vs.
Run #51978d4d92dd9: XHProf Run (Namespace=drupal-perf-cottser)
Tip: Click a function name below to drill down.

Drupal\field_sql_storage\Entity\Tables::addField	Run #51978cc86c728	Run #51978d4d92dd9	Diff	Diff%
Number of Function Calls	2	2	0	0.0%
Incl. Wall Time (microsec)	862	843	-19	-2.2%
Incl. Wall Time (microsec) per call	431	422	-10	-2.2%
Excl. Wall Time (microsec)	80	81	1	1.2%
Incl. CPU (microsecs)	596	586	-10	-1.7%
Incl. CPU (microsecs) per call	298	293	-5	-1.7%
Excl. CPU (microsec)	64	66	2	3.1%
Incl. MemUse (bytes)	30,192	30,192	0	0.0%
Incl. MemUse (bytes) per call	15,096	15,096	0	0.0%
Excl. MemUse (bytes)	2,992	2,992	0	0.0%
Incl. PeakMemUse (bytes)	11,640	11,352	-288	-2.5%
Incl. PeakMemUse (bytes) per call	5,820	5,676	-144	-2.5%
Excl. PeakMemUse (bytes)	456	456	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\field_sql_storage\Entity\Tables::addField	0	N/A%	-19	-7.6%	-10	-8.3%	0	0.0%	-288	-1.2%
Exclusive Metrics Diff for Current Function			1	5.3%	2	20.0%	0	N/A%	0	0.0%
*Parent function*
Drupal\field_sql_storage\Entity\Condition::compile	0	N/A%	-19	-100.0%	-10	-100.0%	0	N/A%	-288	-100.0%
*Child functions*
field_info_field_map	0	N/A%	-18	-94.7%	-10	-100.0%	0	N/A%	-288	-100.0%
explode	0	N/A%	-2	-10.5%	-3	-30.0%	0	N/A%	0	0.0%
Drupal\field_sql_storage\Entity\Tables::ensureEntityTable	0	N/A%	-1	-5.3%	0	0.0%	0	N/A%	0	0.0%
count	0	N/A%	1	5.3%	1	10.0%	0	N/A%	0	0.0%
drupal_get_schema	0	N/A%	0	0.0%	0	0.0%	0	N/A%	0	0.0%
entity_get_info	0	N/A%	0	0.0%	0	0.0%	0	N/A%	0	0.0%
Drupal\Core\Database\Query\Select::getMetaData	0	N/A%	0	0.0%	0	0.0%	0	N/A%	0	0.0%
substr	0	N/A%	0	0.0%	0	0.0%	0	N/A%	0	0.0%