Diff Report
Run #52e4a1fd8a982: XHProf Run (Namespace=drupal-perf-drupalcon)
vs.
Run #52e4a1c03557c: XHProf Run (Namespace=drupal-perf-drupalcon)
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Regression/Improvement summary for Drupal\Core\Database\Database::openConnection

Drupal\Core\Database\Database::openConnectionRun #52e4a1fd8a982Run #52e4a1c03557cDiffDiff%
Number of Function Calls1 1 0 0.0%
Incl. Wall Time (microsec)605 665 60 9.9%
Incl. Wall Time (microsec) per call 605 665 60 9.9%
Excl. Wall Time (microsec)29 30 1 3.4%
Incl. CPU (microsecs)408 445 37 9.1%
Incl. CPU (microsecs) per call 408 445 37 9.1%
Excl. CPU (microsec)26 22 -4 -15.4%
Incl. MemUse (bytes)151,368 151,368 0 0.0%
Incl. MemUse (bytes) per call 151,368 151,368 0 0.0%
Excl. MemUse (bytes)3,488 3,488 0 0.0%
Incl. PeakMemUse (bytes)149,256 149,256 0 0.0%
Incl. PeakMemUse (bytes) per call 149,256 149,256 0 0.0%
Excl. PeakMemUse (bytes)3,712 3,712 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% 60 15.0% 37 9.9% 0 N/A% 0 N/A%
Exclusive Metrics Diff for Current Function1 1.7% -4 -10.8% 0 N/A% 0 N/A%
Parent function
Drupal\Core\Database\Database::getConnection0 N/A% 60 100.0% 37 100.0% 0 N/A% 0 N/A%
Child functions
Drupal\Core\Database\Driver\mysql\Connection::open0 N/A% 54 90.0% 30 81.1% 0 N/A% 0 N/A%
Drupal\Core\Database\Driver\mysql\Connection::__construct0 N/A% 5 8.3% 6 16.2% 0 N/A% 0 N/A%
Drupal\Core\Database\Database::parseConnectionInfo0 N/A% -1 -1.7% 1 2.7% 0 N/A% 0 N/A%
Symfony\Component\ClassLoader\ApcClassLoader::loadClass0 N/A% 1 1.7% 2 5.4% 0 N/A% 0 N/A%
Drupal\Core\Database\Connection::setKey0 N/A% 0 0.0% 1 2.7% 0 N/A% 0 N/A%
Drupal\Core\Database\Connection::setTarget0 N/A% 0 0.0% 1 2.7% 0 N/A% 0 N/A%