Diff Report
Run #51978cc86c728: XHProf Run (Namespace=drupal-perf-cottser)
vs.
Run #51978d4d92dd9: XHProf Run (Namespace=drupal-perf-cottser)
Tip
Click a function name below to drill down.

Regression/Improvement summary for Drupal\Core\Database\Database::openConnection

Drupal\Core\Database\Database::openConnectionRun #51978cc86c728Run #51978d4d92dd9DiffDiff%
Number of Function Calls1 1 0 0.0%
Incl. Wall Time (microsec)2,406 2,477 71 3.0%
Incl. Wall Time (microsec) per call 2,406 2,477 71 3.0%
Excl. Wall Time (microsec)36 35 -1 -2.8%
Incl. CPU (microsecs)1,891 1,869 -22 -1.2%
Incl. CPU (microsecs) per call 1,891 1,869 -22 -1.2%
Excl. CPU (microsec)31 24 -7 -22.6%
Incl. MemUse (bytes)301,216 301,208 -8 -0.0%
Incl. MemUse (bytes) per call 301,216 301,208 -8 -0.0%
Excl. MemUse (bytes)3,464 3,464 0 0.0%
Incl. PeakMemUse (bytes)291,112 291,216 104 0.0%
Incl. PeakMemUse (bytes) per call 291,112 291,216 104 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% 71 28.5% -22 -18.2% -8 -0.0% 104 0.4%
Exclusive Metrics Diff for Current Function-1 -1.4% -7 -31.8% 0 0.0% 0 0.0%
Parent function
Drupal\Core\Database\Database::getConnection0 N/A% 71 100.0% -22 -100.0% -8 -100.0% 104 100.0%
Child functions
Drupal\Core\Database\Driver\mysql\Connection::open0 N/A% 93 131.0% 2 9.1% 0 0.0% 0 0.0%
Symfony\Component\ClassLoader\ApcClassLoader::loadClass0 N/A% -18 -25.4% -17 -77.3% 8 100.0% 184 176.9%
Drupal\Core\Database\Database::parseConnectionInfo0 N/A% -2 -2.8% -1 -4.5% -16 -200.0% 0 0.0%
Drupal\Core\Database\Driver\mysql\Connection::__construct0 N/A% -1 -1.4% -2 -9.1% 0 0.0% -80 -76.9%
Drupal\Core\Database\Connection::setKey0 N/A% 0 0.0% 1 4.5% 0 0.0% 0 0.0%
Drupal\Core\Database\Connection::setTarget0 N/A% 0 0.0% 2 9.1% 0 0.0% 0 0.0%