Diff Report
Run #51a944519b58c: XHProf Run (Namespace=drupal-perf-cottser)
vs.
Run #51a9457328375: 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 #51a944519b58cRun #51a9457328375DiffDiff%
Number of Function Calls1 1 0 0.0%
Incl. Wall Time (microsec)855 960 105 12.3%
Incl. Wall Time (microsec) per call 855 960 105 12.3%
Excl. Wall Time (microsec)43 47 4 9.3%
Incl. CPU (microsecs)322 412 90 28.0%
Incl. CPU (microsecs) per call 322 412 90 28.0%
Excl. CPU (microsec)38 43 5 13.2%
Incl. MemUse (bytes)13,040 13,040 0 0.0%
Incl. MemUse (bytes) per call 13,040 13,040 0 0.0%
Excl. MemUse (bytes)3,376 3,376 0 0.0%
Incl. PeakMemUse (bytes)0 0 0 N/A%
Incl. PeakMemUse (bytes) per call 0 0 0 N/A%
Excl. PeakMemUse (bytes)0 0 0 N/A%

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% 105 12.2% 90 10.3% 0 N/A% 0 N/A%
Exclusive Metrics Diff for Current Function4 3.8% 5 5.6% 0 N/A% 0 N/A%
Parent function
Drupal\Core\Database\Database::openConnection0 N/A% 105 100.0% 90 100.0% 0 N/A% 0 N/A%
Child functions
PDO::exec0 N/A% 161 153.3% 104 115.6% 0 N/A% 0 N/A%
PDO::__construct0 N/A% -72 -68.6% -32 -35.6% 0 N/A% 0 N/A%
implode0 N/A% 12 11.4% 13 14.4% 0 N/A% 0 N/A%