XHProf: Hierarchical Profiler Report

Diff Report: Run #52e49b28a90e1: XHProf Run (Namespace=drupal-perf-drupalcon)
vs.
Run #52e49acfb0eb8: XHProf Run (Namespace=drupal-perf-drupalcon)
Tip: Click a function name below to drill down.

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

Drupal\Core\Database\Connection::query	Run #52e49b28a90e1	Run #52e49acfb0eb8	Diff	Diff%
Number of Function Calls	94	94	0	0.0%
Incl. Wall Time (microsec)	22,367	22,362	-5	-0.0%
Incl. Wall Time (microsec) per call	238	238	-0	-0.0%
Excl. Wall Time (microsec)	1,447	1,402	-45	-3.1%
Incl. CPU (microsecs)	11,129	11,021	-108	-1.0%
Incl. CPU (microsecs) per call	118	117	-1	-1.0%
Excl. CPU (microsec)	1,193	1,159	-34	-2.8%
Incl. MemUse (bytes)	959,192	959,192	0	0.0%
Incl. MemUse (bytes) per call	10,204	10,204	0	0.0%
Excl. MemUse (bytes)	83,768	83,768	0	0.0%
Incl. PeakMemUse (bytes)	589,296	589,296	0	0.0%
Incl. PeakMemUse (bytes) per call	6,269	6,269	0	0.0%
Excl. PeakMemUse (bytes)	126,968	126,968	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%	-5	-1.7%	-108	-25.4%	0	N/A%	0	N/A%
Exclusive Metrics Diff for Current Function			-45	-900.0%	-34	-31.5%	0	N/A%	0	N/A%
*Parent functions*
Drupal\Core\Cache\DatabaseBackend::getMultiple	0	N/A%	-36	-720.0%	-115	-106.5%	0	N/A%	0	N/A%
Drupal\Core\Database\Query\Select::execute	0	N/A%	25	500.0%	11	10.2%	0	N/A%	0	N/A%
Drupal\Core\Database\Driver\mysql\Connection::queryRange	0	N/A%	18	360.0%	10	9.3%	0	N/A%	0	N/A%
Drupal\Core\Routing\RouteProvider::getRoutesByNames	0	N/A%	14	280.0%	8	7.4%	0	N/A%	0	N/A%
Drupal\Core\Routing\RouteProvider::getRoutesByPath	0	N/A%	-12	-240.0%	4	3.7%	0	N/A%	0	N/A%
Drupal\Core\KeyValueStore\DatabaseStorage::getMultiple	0	N/A%	-10	-200.0%	-10	-9.3%	0	N/A%	0	N/A%
Drupal\Core\Cache\DatabaseBackend::checksumTags	0	N/A%	-6	-120.0%	-15	-13.9%	0	N/A%	0	N/A%
Drupal\Core\Path\AliasManager::lookupPathSource	0	N/A%	2	40.0%	-1	-0.9%	0	N/A%	0	N/A%
*Child functions*
Drupal\Core\Database\Statement::execute	0	N/A%	56	1120.0%	-51	-47.2%	0	N/A%	0	N/A%
Drupal\Core\Database\Connection::prepareQuery	0	N/A%	-38	-760.0%	-43	-39.8%	0	N/A%	0	N/A%
Drupal\Core\Database\Connection::expandArguments	0	N/A%	27	540.0%	30	27.8%	0	N/A%	0	N/A%
Drupal\Core\Database\Connection::defaultOptions	0	N/A%	-4	-80.0%	-10	-9.3%	0	N/A%	0	N/A%
Symfony\Component\ClassLoader\ApcClassLoader::loadClass	0	N/A%	-1	-20.0%	0	0.0%	0	N/A%	0	N/A%
substr	0	N/A%	0	0.0%	2	1.9%	0	N/A%	0	N/A%
Exception::__construct	0	N/A%	0	0.0%	-1	-0.9%	0	N/A%	0	N/A%
Exception::getMessage	0	N/A%	0	0.0%	-1	-0.9%	0	N/A%	0	N/A%
print_r	0	N/A%	0	0.0%	-1	-0.9%	0	N/A%	0	N/A%
Exception::getCode	0	N/A%	0	0.0%	1	0.9%	0	N/A%	0	N/A%