Diff Report
Run #51ec227a9cea0: XHProf Run (Namespace=drupal-perf-drupalcon)
vs.
Run #51ec243650361: XHProf Run (Namespace=drupal-perf-drupalcon)
Tip
Click a function name below to drill down.

Regression/Improvement summary for Drupal\Core\Database\Driver\mysql\Connection::open

Drupal\Core\Database\Driver\mysql\Connection::openRun #51ec227a9cea0Run #51ec243650361DiffDiff%
Number of Function Calls1 1 0 0.0%
Incl. Wall Time (microsec)594 594 0 0.0%
Incl. Wall Time (microsec) per call 594 594 0 0.0%
Excl. Wall Time (microsec)36 37 1 2.8%
Incl. CPU (microsecs)214 215 1 0.5%
Incl. CPU (microsecs) per call 214 215 1 0.5%
Excl. CPU (microsec)33 30 -3 -9.1%
Incl. MemUse (bytes)12,936 12,936 0 0.0%
Incl. MemUse (bytes) per call 12,936 12,936 0 0.0%
Excl. MemUse (bytes)3,344 3,344 0 0.0%
Incl. PeakMemUse (bytes)12,248 12,256 8 0.1%
Incl. PeakMemUse (bytes) per call 12,248 12,256 8 0.1%
Excl. PeakMemUse (bytes)1,808 1,808 0 0.0%

Parent/Child Regression/Improvement report for Drupal\Core\Database\Driver\mysql\Connection::open [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\Driver\mysql\Connection::open0 N/A% 0 0.0% 1 0.0% 0 0.0% 8 0.0%
Exclusive Metrics Diff for Current Function1 N/A% -3 -300.0% 0 N/A% 0 0.0%
Parent function
Drupal\Core\Database\Database::openConnection0 N/A% 0 N/A% 1 100.0% 0 N/A% 8 100.0%
Child functions
PDO::__construct0 N/A% -1 N/A% 2 200.0% 0 N/A% 0 0.0%
implode0 N/A% 0 N/A% 1 100.0% 0 N/A% 8 100.0%
PDO::exec0 N/A% 0 N/A% 1 100.0% 0 N/A% 0 0.0%