XHProf: Hierarchical Profiler Report

Diff Report: Run #51981beb768ad: XHProf Run (Namespace=drupal-perf-cottser)
vs.
Run #51981e001fd46: XHProf Run (Namespace=drupal-perf-cottser)
Tip: Click a function name below to drill down.

Regression/Improvement summary for Drupal\Core\Database\Connection::query

Drupal\Core\Database\Connection::query	Run #51981beb768ad	Run #51981e001fd46	Diff	Diff%
Number of Function Calls	124	124	0	0.0%
Incl. Wall Time (microsec)	46,354	45,949	-405	-0.9%
Incl. Wall Time (microsec) per call	374	371	-3	-0.9%
Excl. Wall Time (microsec)	1,895	1,831	-64	-3.4%
Incl. CPU (microsecs)	18,314	17,791	-523	-2.9%
Incl. CPU (microsecs) per call	148	143	-4	-2.9%
Excl. CPU (microsec)	1,556	1,514	-42	-2.7%
Incl. MemUse (bytes)	811,184	811,184	0	0.0%
Incl. MemUse (bytes) per call	6,542	6,542	0	0.0%
Excl. MemUse (bytes)	-99,256	-99,256	0	0.0%
Incl. PeakMemUse (bytes)	389,848	389,848	0	0.0%
Incl. PeakMemUse (bytes) per call	3,144	3,144	0	0.0%
Excl. PeakMemUse (bytes)	27,304	27,304	0	0.0%

Parent/Child Regression/Improvement report for Drupal\Core\Database\Connection::query [View Callgraph Diff]

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::query	0	N/A%	-405	-283.2%	-523	-172.6%	0	N/A%	0	N/A%
Exclusive Metrics Diff for Current Function			-64	-15.8%	-42	-8.0%	0	N/A%	0	N/A%
*Parent functions*
Drupal\Core\Cache\DatabaseBackend::getMultiple@1	0	N/A%	-316	-78.0%	50	9.6%	0	N/A%	0	N/A%
Drupal\Core\Cache\DatabaseBackend::getMultiple	0	N/A%	228	56.3%	-223	-42.6%	0	N/A%	0	N/A%
Drupal\Core\Database\Query\Select::execute	0	N/A%	-167	-41.2%	-164	-31.4%	0	N/A%	0	N/A%
Drupal\Core\Cache\DatabaseBackend::checksumTags	0	N/A%	-101	-24.9%	-71	-13.6%	0	N/A%	0	N/A%
Drupal\Core\Routing\RouteProvider::getRouteCollectionForRequest	0	N/A%	-62	-15.3%	-14	-2.7%	0	N/A%	0	N/A%
Drupal\Core\KeyValueStore\DatabaseStorage::getMultiple	0	N/A%	50	12.3%	-77	-14.7%	0	N/A%	0	N/A%
Drupal\Core\Database\Driver\mysql\Insert::execute	0	N/A%	-37	-9.1%	-2	-0.4%	0	N/A%	0	N/A%
Drupal\Core\Path\AliasManager::lookupPathSource	0	N/A%	-9	-2.2%	1	0.2%	0	N/A%	0	N/A%
db_query	0	N/A%	5	1.2%	-23	-4.4%	0	N/A%	0	N/A%
Drupal\Core\Database\Driver\mysql\Connection::queryRange	0	N/A%	4	1.0%	0	0.0%	0	N/A%	0	N/A%
*Child functions*
Drupal\Core\Database\Statement::execute	0	N/A%	-353	-87.2%	-471	-90.1%	0	N/A%	0	N/A%
Drupal\Core\Database\Connection::prepareQuery	0	N/A%	29	7.2%	21	4.0%	0	N/A%	0	N/A%
Drupal\Core\Database\Connection::expandArguments	0	N/A%	-29	-7.2%	-30	-5.7%	0	N/A%	0	N/A%
Drupal\Core\Database\Connection::defaultOptions	0	N/A%	12	3.0%	0	0.0%	0	N/A%	0	N/A%
PDO::lastInsertId	0	N/A%	0	0.0%	-1	-0.2%	0	N/A%	0	N/A%