Diff Report
Run #519fc817b51ae: XHProf Run (Namespace=drupal-perf-drupalcon)
vs.
Run #519fc53e46a65: 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 #519fc817b51aeRun #519fc53e46a65DiffDiff%
Number of Function Calls1 1 0 0.0%
Incl. Wall Time (microsec)498 555 57 11.4%
Incl. Wall Time (microsec) per call 498 555 57 11.4%
Excl. Wall Time (microsec)47 52 5 10.6%
Incl. CPU (microsecs)0 0 0 N/A%
Incl. CPU (microsecs) per call 0 0 0 N/A%
Excl. CPU (microsec)0 0 0 N/A%
Incl. MemUse (bytes)6,032 6,032 0 0.0%
Incl. MemUse (bytes) per call 6,032 6,032 0 0.0%
Excl. MemUse (bytes)3,152 3,152 0 0.0%
Incl. PeakMemUse (bytes)5,688 5,688 0 0.0%
Incl. PeakMemUse (bytes) per call 5,688 5,688 0 0.0%
Excl. PeakMemUse (bytes)3,480 3,480 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% 57 1.3% 0 0.0% 0 N/A% 0 N/A%
Exclusive Metrics Diff for Current Function5 8.8% 0 N/A% 0 N/A% 0 N/A%
Parent function
Drupal\Core\Database\Database::openConnection0 N/A% 57 100.0% 0 N/A% 0 N/A% 0 N/A%
Child functions
PDO::exec0 N/A% 45 78.9% 0 N/A% 0 N/A% 0 N/A%
PDO::__construct0 N/A% 7 12.3% 0 N/A% 0 N/A% 0 N/A%
implode0 N/A% 0 0.0% 0 N/A% 0 N/A% 0 N/A%