Diff Report
Run #517d51ae434de: XHProf Run (Namespace=drupal-perf-cottser)
vs.
Run #517d52b5a5611: XHProf Run (Namespace=drupal-perf-cottser)
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Regression/Improvement summary for Drupal\Core\Database\Connection::getDriverClass

Drupal\Core\Database\Connection::getDriverClassRun #517d51ae434deRun #517d52b5a5611DiffDiff%
Number of Function Calls3 3 0 0.0%
Incl. Wall Time (microsec)700 890 190 27.1%
Incl. Wall Time (microsec) per call 233 297 63 27.1%
Excl. Wall Time (microsec)18 25 7 38.9%
Incl. CPU (microsecs)703 894 191 27.2%
Incl. CPU (microsecs) per call 234 298 64 27.2%
Excl. CPU (microsec)18 21 3 16.7%
Incl. MemUse (bytes)146,512 146,512 0 0.0%
Incl. MemUse (bytes) per call 48,837 48,837 0 0.0%
Excl. MemUse (bytes)1,896 1,896 0 0.0%
Incl. PeakMemUse (bytes)145,368 145,192 -176 -0.1%
Incl. PeakMemUse (bytes) per call 48,456 48,397 -59 -0.1%
Excl. PeakMemUse (bytes)1,704 1,704 0 0.0%

Parent/Child Regression/Improvement report for Drupal\Core\Database\Connection::getDriverClass [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\Connection::getDriverClass0 N/A% 190 7.8% 191 13.7% 0 0.0% -176 -1.7%
Exclusive Metrics Diff for Current Function7 3.7% 3 1.6% 0 N/A% 0 0.0%
Parent function
Drupal\Core\Database\Connection::select0 N/A% 190 100.0% 191 100.0% 0 N/A% -176 -100.0%
Child functions
class_exists0 N/A% 183 96.3% 185 96.9% 0 N/A% -176 -100.0%
Drupal\Core\Database\Driver\mysql\Connection::driver0 N/A% 0 0.0% 3 1.6% 0 N/A% 0 0.0%