Diff Report
Run #51ba929760d1b: XHProf Run (Namespace=drupal-perf-cottser)
vs.
Run #51ba946b609ed: XHProf Run (Namespace=drupal-perf-cottser)
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Regression/Improvement summary for Drupal\Core\Database\Connection::getDriverClass

Drupal\Core\Database\Connection::getDriverClassRun #51ba929760d1bRun #51ba946b609edDiffDiff%
Number of Function Calls3 3 0 0.0%
Incl. Wall Time (microsec)2,572 3,004 432 16.8%
Incl. Wall Time (microsec) per call 857 1,001 144 16.8%
Excl. Wall Time (microsec)22 23 1 4.5%
Incl. CPU (microsecs)2,573 3,009 436 16.9%
Incl. CPU (microsecs) per call 858 1,003 145 16.9%
Excl. CPU (microsec)19 23 4 21.1%
Incl. MemUse (bytes)315,560 326,408 10,848 3.4%
Incl. MemUse (bytes) per call 105,187 108,803 3,616 3.4%
Excl. MemUse (bytes)1,872 1,928 56 3.0%
Incl. PeakMemUse (bytes)306,280 0 -306,280 -100.0%
Incl. PeakMemUse (bytes) per call 102,093 0 -102,093 -100.0%
Excl. PeakMemUse (bytes)1,800 0 -1,800 -100.0%

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% 432 0.1% 436 0.1% 10,848 0.1% -306,280 -1.3%
Exclusive Metrics Diff for Current Function1 0.2% 4 0.9% 56 0.5% -1,800 -0.6%
Parent function
Drupal\Core\Database\Connection::select0 N/A% 432 100.0% 436 100.0% 10,848 100.0% -306,280 -100.0%
Child functions
class_exists0 N/A% 431 99.8% 431 98.9% 10,784 99.4% -303,680 -99.2%
Drupal\Core\Database\Driver\mysql\Connection::driver0 N/A% 0 0.0% 1 0.2% 8 0.1% -800 -0.3%