Diff Report
Run #5192e6f7bc551: XHProf Run (Namespace=drupal-perf-cottser)
vs.
Run #5192e84845baf: XHProf Run (Namespace=drupal-perf-cottser)
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Regression/Improvement summary for Drupal\Core\Database\Database::openConnection

Drupal\Core\Database\Database::openConnectionRun #5192e6f7bc551Run #5192e84845bafDiffDiff%
Number of Function Calls1 1 0 0.0%
Incl. Wall Time (microsec)2,121 2,165 44 2.1%
Incl. Wall Time (microsec) per call 2,121 2,165 44 2.1%
Excl. Wall Time (microsec)34 33 -1 -2.9%
Incl. CPU (microsecs)1,575 1,588 13 0.8%
Incl. CPU (microsecs) per call 1,575 1,588 13 0.8%
Excl. CPU (microsec)24 23 -1 -4.2%
Incl. MemUse (bytes)280,888 280,792 -96 -0.0%
Incl. MemUse (bytes) per call 280,888 280,792 -96 -0.0%
Excl. MemUse (bytes)3,480 3,480 0 0.0%
Incl. PeakMemUse (bytes)263,648 266,752 3,104 1.2%
Incl. PeakMemUse (bytes) per call 263,648 266,752 3,104 1.2%
Excl. PeakMemUse (bytes)0 0 0 N/A%

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% 44 8.6% 13 1.3% -96 -0.1% 3,104 3.1%
Exclusive Metrics Diff for Current Function-1 -2.3% -1 -7.7% 0 0.0% 0 0.0%
Parent function
Drupal\Core\Database\Database::getConnection0 N/A% 44 100.0% 13 100.0% -96 -100.0% 3,104 100.0%
Child functions
Drupal\Core\Database\Driver\mysql\Connection::open0 N/A% 63 143.2% 33 253.8% 0 0.0% 0 0.0%
Symfony\Component\ClassLoader\ApcClassLoader::loadClass0 N/A% -15 -34.1% -16 -123.1% -104 -108.3% 3,104 100.0%
Drupal\Core\Database\Driver\mysql\Connection::__construct0 N/A% -4 -9.1% -4 -30.8% 8 8.3% 0 0.0%
Drupal\Core\Database\Database::parseConnectionInfo0 N/A% 1 2.3% 1 7.7% 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% 0 0.0% 0 0.0% 0 0.0%