Diff Report
Run #519c0a965645d: XHProf Run (Namespace=drupal-perf-drupalcon)
vs.
Run #519c0a514701f: XHProf Run (Namespace=drupal-perf-drupalcon)
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Regression/Improvement summary for Drupal\Core\Database\Database::openConnection

Drupal\Core\Database\Database::openConnectionRun #519c0a965645dRun #519c0a514701fDiffDiff%
Number of Function Calls1 1 0 0.0%
Incl. Wall Time (microsec)1,947 2,228 281 14.4%
Incl. Wall Time (microsec) per call 1,947 2,228 281 14.4%
Excl. Wall Time (microsec)69 69 0 0.0%
Incl. CPU (microsecs)1,383 1,488 105 7.6%
Incl. CPU (microsecs) per call 1,383 1,488 105 7.6%
Excl. CPU (microsec)56 55 -1 -1.8%
Incl. MemUse (bytes)102,244 102,244 0 0.0%
Incl. MemUse (bytes) per call 102,244 102,244 0 0.0%
Excl. MemUse (bytes)2,988 2,988 0 0.0%
Incl. PeakMemUse (bytes)99,204 99,204 0 0.0%
Incl. PeakMemUse (bytes) per call 99,204 99,204 0 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% 281 18.7% 105 11.0% 0 N/A% 0 N/A%
Exclusive Metrics Diff for Current Function0 0.0% -1 -1.0% 0 N/A% 0 N/A%
Parent function
Drupal\Core\Database\Database::getConnection0 N/A% 281 100.0% 105 100.0% 0 N/A% 0 N/A%
Child functions
Drupal\Core\Database\Driver\mysql\Connection::open0 N/A% 190 67.6% 12 11.4% 0 N/A% 0 N/A%
Drupal\Core\Database\Driver\mysql\Connection::__construct0 N/A% 88 31.3% 88 83.8% 0 N/A% 0 N/A%
Symfony\Component\ClassLoader\ClassLoader::loadClass0 N/A% 4 1.4% 5 4.8% 0 N/A% 0 N/A%
Drupal\Core\Database\Database::parseConnectionInfo0 N/A% -2 -0.7% -1 -1.0% 0 N/A% 0 N/A%
Drupal\Core\Database\Connection::setTarget0 N/A% 1 0.4% 0 0.0% 0 N/A% 0 N/A%
Drupal\Core\Database\Connection::setKey0 N/A% 0 0.0% 2 1.9% 0 N/A% 0 N/A%