Diff Report
Run #51990c6b6ce43: XHProf Run (Namespace=drupal-perf-cottser)
vs.
Run #51990ceb6ce00: 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::queryRun #51990c6b6ce43Run #51990ceb6ce00DiffDiff%
Number of Function Calls105 105 0 0.0%
Incl. Wall Time (microsec)29,724 30,894 1,170 3.9%
Incl. Wall Time (microsec) per call 283 294 11 3.9%
Excl. Wall Time (microsec)1,503 1,564 61 4.1%
Incl. CPU (microsecs)14,265 14,626 361 2.5%
Incl. CPU (microsecs) per call 136 139 3 2.5%
Excl. CPU (microsec)1,219 1,269 50 4.1%
Incl. MemUse (bytes)699,768 699,776 8 0.0%
Incl. MemUse (bytes) per call 6,664 6,665 0 0.0%
Excl. MemUse (bytes)-75,000 -75,000 0 0.0%
Incl. PeakMemUse (bytes)293,888 300,816 6,928 2.4%
Incl. PeakMemUse (bytes) per call 2,799 2,865 66 2.4%
Excl. PeakMemUse (bytes)19,144 19,432 288 1.5%

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


Function NameCalls DiffCalls
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::query0 N/A% 1,170 260.0% 361 29.4% 8 0.0% 6,928 23.9%
Exclusive Metrics Diff for Current Function61 5.2% 50 13.9% 0 0.0% 288 4.2%
Parent functions
Drupal\Core\Cache\DatabaseBackend::getMultiple0 N/A% 657 56.2% 102 28.3% 40 500.0% 3,568 51.5%
Drupal\Core\KeyValueStore\DatabaseStorage::getMultiple0 N/A% 267 22.8% 85 23.5% 0 0.0% 496 7.2%
Drupal\Core\Cache\DatabaseBackend::checksumTags0 N/A% 135 11.5% 52 14.4% 0 0.0% 0 0.0%
Drupal\Core\Database\Query\Select::execute0 N/A% 73 6.2% 81 22.4% 16 200.0% 1,320 19.1%
Drupal\Core\Cache\DatabaseBackend::getMultiple@10 N/A% 38 3.2% 40 11.1% 0 0.0% 0 0.0%
Drupal\Core\Path\AliasManager::lookupPathSource0 N/A% 3 0.3% -1 -0.3% 0 0.0% 0 0.0%
Drupal\Core\Routing\RouteProvider::getRouteCollectionForRequest0 N/A% -2 -0.2% -1 -0.3% 0 0.0% 0 0.0%
db_query0 N/A% -1 -0.1% 5 1.4% -48 -600.0% 1,544 22.3%
Drupal\Core\Database\Driver\mysql\Connection::queryRange0 N/A% 0 0.0% -2 -0.6% 0 0.0% 0 0.0%
Child functions
Drupal\Core\Database\Statement::execute0 N/A% 951 81.3% 145 40.2% 0 0.0% 5,816 83.9%
Drupal\Core\Database\Connection::prepareQuery0 N/A% 81 6.9% 77 21.3% 8 100.0% 296 4.3%
Drupal\Core\Database\Connection::expandArguments0 N/A% 55 4.7% 74 20.5% 0 0.0% 176 2.5%
Drupal\Core\Database\Connection::defaultOptions0 N/A% 22 1.9% 15 4.2% 0 0.0% 352 5.1%