Diff Report
Run #51a944519b58c: XHProf Run (Namespace=drupal-perf-cottser)
vs.
Run #51a9459592df6: XHProf Run (Namespace=drupal-perf-cottser)
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Regression/Improvement summary for Drupal\Core\Database\Database::openConnection

Drupal\Core\Database\Database::openConnectionRun #51a944519b58cRun #51a9459592df6DiffDiff%
Number of Function Calls1 1 0 0.0%
Incl. Wall Time (microsec)2,477 2,598 121 4.9%
Incl. Wall Time (microsec) per call 2,477 2,598 121 4.9%
Excl. Wall Time (microsec)35 45 10 28.6%
Incl. CPU (microsecs)1,943 2,198 255 13.1%
Incl. CPU (microsecs) per call 1,943 2,198 255 13.1%
Excl. CPU (microsec)27 35 8 29.6%
Incl. MemUse (bytes)301,184 301,200 16 0.0%
Incl. MemUse (bytes) per call 301,184 301,200 16 0.0%
Excl. MemUse (bytes)3,464 3,464 0 0.0%
Incl. PeakMemUse (bytes)291,032 291,104 72 0.0%
Incl. PeakMemUse (bytes) per call 291,032 291,104 72 0.0%
Excl. PeakMemUse (bytes)1,424 1,424 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% 121 1.1% 255 2.3% 16 0.0% 72 0.1%
Exclusive Metrics Diff for Current Function10 8.3% 8 3.1% 0 0.0% 0 0.0%
Parent function
Drupal\Core\Database\Database::getConnection0 N/A% 121 100.0% 255 100.0% 16 100.0% 72 100.0%
Child functions
Drupal\Core\Database\Driver\mysql\Connection::__construct0 N/A% 169 139.7% 170 66.7% 0 0.0% -24 -33.3%
Drupal\Core\Database\Driver\mysql\Connection::open0 N/A% -101 -83.5% 31 12.2% -24 -150.0% 0 0.0%
Symfony\Component\ClassLoader\ApcClassLoader::loadClass0 N/A% 31 25.6% 32 12.5% 40 250.0% 96 133.3%
Drupal\Core\Database\Database::parseConnectionInfo0 N/A% 12 9.9% 13 5.1% 0 0.0% 0 0.0%
Drupal\Core\Database\Connection::setKey0 N/A% 0 0.0% 0 0.0% 0 0.0% 0 0.0%
Drupal\Core\Database\Connection::setTarget0 N/A% 0 0.0% 1 0.4% 0 0.0% 0 0.0%