Diff Report
Run #52c8629919553: XHProf Run (Namespace=drupal-perf-cottser)
vs.
Run #52c862ea26981: XHProf Run (Namespace=drupal-perf-cottser)
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Regression/Improvement summary for Drupal\Core\Database\Connection::getDriverClass

Drupal\Core\Database\Connection::getDriverClassRun #52c8629919553Run #52c862ea26981DiffDiff%
Number of Function Calls12 12 0 0.0%
Incl. Wall Time (microsec)486 488 2 0.4%
Incl. Wall Time (microsec) per call 41 41 0 0.4%
Excl. Wall Time (microsec)53 23 -30 -56.6%
Incl. CPU (microsecs)497 504 7 1.4%
Incl. CPU (microsecs) per call 41 42 1 1.4%
Excl. CPU (microsec)29 37 8 27.6%
Incl. MemUse (bytes)150,240 150,240 0 0.0%
Incl. MemUse (bytes) per call 12,520 12,520 0 0.0%
Excl. MemUse (bytes)1,896 1,896 0 0.0%
Incl. PeakMemUse (bytes)150,712 150,712 0 0.0%
Incl. PeakMemUse (bytes) per call 12,559 12,559 0 0.0%
Excl. PeakMemUse (bytes)1,856 1,856 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% 2 3.1% 7 3.9% 0 0.0% 0 0.0%
Exclusive Metrics Diff for Current Function-30 -1500.0% 8 114.3% 0 N/A% 0 N/A%
Parent function
Drupal\Core\Database\Connection::select0 N/A% 2 100.0% 7 100.0% 0 N/A% 0 N/A%
Child functions
class_exists0 N/A% 31 1550.0% 30 428.6% 0 N/A% 0 N/A%
Drupal\Core\Database\Driver\mysql\Connection::driver0 N/A% 1 50.0% -31 -442.9% 0 N/A% 0 N/A%