Diff Report
Run #519d45fd795a4: XHProf Run (Namespace=drupal-perf-drupalcon)
vs.
Run #519d44ffb3845: XHProf Run (Namespace=drupal-perf-drupalcon)
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Regression/Improvement summary for Drupal\Core\Database\Connection::getDriverClass

Drupal\Core\Database\Connection::getDriverClassRun #519d45fd795a4Run #519d44ffb3845DiffDiff%
Number of Function Calls14 14 0 0.0%
Incl. Wall Time (microsec)2,319 2,492 173 7.5%
Incl. Wall Time (microsec) per call 166 178 12 7.5%
Excl. Wall Time (microsec)93 95 2 2.2%
Incl. CPU (microsecs)2,340 2,514 174 7.4%
Incl. CPU (microsecs) per call 167 180 12 7.4%
Excl. CPU (microsec)104 107 3 2.9%
Incl. MemUse (bytes)155,276 155,276 0 0.0%
Incl. MemUse (bytes) per call 11,091 11,091 0 0.0%
Excl. MemUse (bytes)2,116 2,116 0 0.0%
Incl. PeakMemUse (bytes)96,308 96,308 0 0.0%
Incl. PeakMemUse (bytes) per call 6,879 6,879 0 0.0%
Excl. PeakMemUse (bytes)740 740 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% 173 0.3% 174 0.3% 0 0.0% 0 0.0%
Exclusive Metrics Diff for Current Function2 1.2% 3 1.7% 0 N/A% 0 N/A%
Parent functions
Drupal\Core\Database\Connection::update0 N/A% 115 66.5% 115 66.1% 0 N/A% 0 N/A%
Drupal\Core\Database\Connection::select0 N/A% 59 34.1% 60 34.5% 0 N/A% 0 N/A%
Drupal\Core\Database\Connection::merge0 N/A% -1 -0.6% -1 -0.6% 0 N/A% 0 N/A%
Child functions
class_exists0 N/A% 171 98.8% 170 97.7% 0 N/A% 0 N/A%
Drupal\Core\Database\Driver\mysql\Connection::driver0 N/A% 0 0.0% 1 0.6% 0 N/A% 0 N/A%