Diff Report
Run #52f5c520502f0: XHProf Run (Namespace=drupal-perf-cottser)
vs.
Run #52f5c5484cf48: XHProf Run (Namespace=drupal-perf-cottser)
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 #52f5c520502f0Run #52f5c5484cf48DiffDiff%
Number of Function Calls1 1 0 0.0%
Incl. Wall Time (microsec)306 335 29 9.5%
Incl. Wall Time (microsec) per call 306 335 29 9.5%
Excl. Wall Time (microsec)27 30 3 11.1%
Incl. CPU (microsecs)137 157 20 14.6%
Incl. CPU (microsecs) per call 137 157 20 14.6%
Excl. CPU (microsec)24 25 1 4.2%
Incl. MemUse (bytes)12,992 12,992 0 0.0%
Incl. MemUse (bytes) per call 12,992 12,992 0 0.0%
Excl. MemUse (bytes)3,344 3,344 0 0.0%
Incl. PeakMemUse (bytes)12,272 12,272 0 0.0%
Incl. PeakMemUse (bytes) per call 12,272 12,272 0 0.0%
Excl. PeakMemUse (bytes)1,976 1,976 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% 29 4.4% 20 3.6% 0 N/A% 0 N/A%
Exclusive Metrics Diff for Current Function3 10.3% 1 5.0% 0 N/A% 0 N/A%
Parent function
Drupal\Core\Database\Database::openConnection0 N/A% 29 100.0% 20 100.0% 0 N/A% 0 N/A%
Child functions
PDO::exec0 N/A% 15 51.7% 4 20.0% 0 N/A% 0 N/A%
PDO::__construct0 N/A% 11 37.9% 13 65.0% 0 N/A% 0 N/A%
implode0 N/A% 0 0.0% 2 10.0% 0 N/A% 0 N/A%