Diff Report
Run #519c146573182: XHProf Run (Namespace=drupal-perf-drupalcon)
vs.
Run #519c116ac5313: XHProf Run (Namespace=drupal-perf-drupalcon)
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Regression/Improvement summary for Drupal\Core\Database\Database::openConnection

Drupal\Core\Database\Database::openConnectionRun #519c146573182Run #519c116ac5313DiffDiff%
Number of Function Calls1 1 0 0.0%
Incl. Wall Time (microsec)1,974 1,945 -29 -1.5%
Incl. Wall Time (microsec) per call 1,974 1,945 -29 -1.5%
Excl. Wall Time (microsec)66 68 2 3.0%
Incl. CPU (microsecs)1,227 1,305 78 6.4%
Incl. CPU (microsecs) per call 1,227 1,305 78 6.4%
Excl. CPU (microsec)49 57 8 16.3%
Incl. MemUse (bytes)102,232 102,244 12 0.0%
Incl. MemUse (bytes) per call 102,232 102,244 12 0.0%
Excl. MemUse (bytes)2,988 2,988 0 0.0%
Incl. PeakMemUse (bytes)99,192 99,204 12 0.0%
Incl. PeakMemUse (bytes) per call 99,192 99,204 12 0.0%
Excl. PeakMemUse (bytes)3,116 3,116 0 0.0%

Parent/Child Regression/Improvement report for Drupal\Core\Database\Database::openConnection [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\Database::openConnection0 N/A% -29 -0.1% 78 0.1% 12 0.0% 12 0.0%
Exclusive Metrics Diff for Current Function2 6.9% 8 10.3% 0 0.0% 0 0.0%
Parent function
Drupal\Core\Database\Database::getConnection0 N/A% -29 -100.0% 78 100.0% 12 100.0% 12 100.0%
Child functions
Drupal\Core\Database\Driver\mysql\Connection::open0 N/A% -80 -275.9% 27 34.6% 0 0.0% 0 0.0%
Symfony\Component\ClassLoader\ClassLoader::loadClass0 N/A% 32 110.3% 30 38.5% 12 100.0% 12 100.0%
Drupal\Core\Database\Driver\mysql\Connection::__construct0 N/A% 12 41.4% 11 14.1% 0 0.0% 0 0.0%
Drupal\Core\Database\Database::parseConnectionInfo0 N/A% 6 20.7% 3 3.8% 0 0.0% 0 0.0%
Drupal\Core\Database\Connection::setTarget0 N/A% -1 -3.4% 0 0.0% 0 0.0% 0 0.0%
Drupal\Core\Database\Connection::setKey0 N/A% 0 0.0% -1 -1.3% 0 0.0% 0 0.0%