XHProf: Hierarchical Profiler Report

Diff Report: Run #52c96b69a1c07: XHProf Run (Namespace=drupal-perf-cottser)
vs.
Run #52c96bbf45f87: 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 #52c96b69a1c07	Run #52c96bbf45f87	Diff	Diff%
Number of Function Calls	74	74	0	0.0%
Incl. Wall Time (microsec)	15,050	14,909	-141	-0.9%
Incl. Wall Time (microsec) per call	203	201	-2	-0.9%
Excl. Wall Time (microsec)	986	960	-26	-2.6%
Incl. CPU (microsecs)	7,370	7,210	-160	-2.2%
Incl. CPU (microsecs) per call	100	97	-2	-2.2%
Excl. CPU (microsec)	807	781	-26	-3.2%
Incl. MemUse (bytes)	752,024	751,920	-104	-0.0%
Incl. MemUse (bytes) per call	10,162	10,161	-1	-0.0%
Excl. MemUse (bytes)	49,192	49,200	8	0.0%
Incl. PeakMemUse (bytes)	495,672	491,872	-3,800	-0.8%
Incl. PeakMemUse (bytes) per call	6,698	6,647	-51	-0.8%
Excl. PeakMemUse (bytes)	114,296	114,240	-56	-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%	-141	-25.1%	-160	-29.0%	-104	-0.2%	-3,800	-7.6%
Exclusive Metrics Diff for Current Function			-26	-18.4%	-26	-16.2%	8	7.7%	-56	-1.5%
*Parent functions*
Drupal\Core\Cache\DatabaseBackend::checksumTags	0	N/A%	-80	-56.7%	-60	-37.5%	0	0.0%	-664	-17.5%
Drupal\Core\Routing\RouteProvider::getRoutesByPath	0	N/A%	-49	-34.8%	-39	-24.4%	0	0.0%	88	2.3%
Drupal\Core\Cache\DatabaseBackend::getMultiple	0	N/A%	-20	-14.2%	-53	-33.1%	-104	-100.0%	-2,360	-62.1%
Drupal\Core\KeyValueStore\DatabaseStorage::getMultiple	0	N/A%	7	5.0%	-2	-1.2%	0	0.0%	-928	-24.4%
Drupal\Core\Database\Query\Select::execute	0	N/A%	2	1.4%	-2	-1.2%	0	0.0%	0	0.0%
Drupal\Core\Path\AliasManager::lookupPathSource	0	N/A%	-1	-0.7%	-5	-3.1%	0	0.0%	0	0.0%
Drupal\Core\Database\Driver\mysql\Connection::queryRange	0	N/A%	0	0.0%	1	0.6%	0	0.0%	64	1.7%
Drupal\Core\Routing\RouteProvider::getRoutesByNames	0	N/A%	0	0.0%	0	0.0%	0	0.0%	0	0.0%
*Child functions*
Drupal\Core\Database\Connection::expandArguments	0	N/A%	-62	-44.0%	-56	-35.0%	0	0.0%	-1,024	-26.9%
Drupal\Core\Database\Connection::prepareQuery	0	N/A%	-50	-35.5%	-51	-31.9%	0	0.0%	-40	-1.1%
Drupal\Core\Database\Connection::defaultOptions	0	N/A%	-10	-7.1%	-20	-12.5%	-8	-7.7%	120	3.2%
Symfony\Component\ClassLoader\ApcClassLoader::loadClass	0	N/A%	6	4.3%	5	3.1%	0	0.0%	0	0.0%
print_r	0	N/A%	5	3.5%	6	3.8%	0	0.0%	0	0.0%
Drupal\Core\Database\Statement::execute	0	N/A%	-3	-2.1%	-15	-9.4%	-104	-100.0%	-2,800	-73.7%
Exception::__construct	0	N/A%	-1	-0.7%	-1	-0.6%	0	0.0%	0	0.0%
Exception::getMessage	0	N/A%	0	0.0%	0	0.0%	0	0.0%	0	0.0%
Exception::getCode	0	N/A%	0	0.0%	0	0.0%	0	0.0%	0	0.0%
substr	0	N/A%	0	0.0%	-2	-1.2%	0	0.0%	0	0.0%