Diff Report
Run #52d4b18f32fb6: XHProf Run (Namespace=drupal-perf-cottser)
vs.
Run #52d4b1d6bf728: XHProf Run (Namespace=drupal-perf-cottser)
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Regression/Improvement summary for Drupal\Core\Database\Driver\mysql\Connection::open

Drupal\Core\Database\Driver\mysql\Connection::openRun #52d4b18f32fb6Run #52d4b1d6bf728DiffDiff%
Number of Function Calls1 1 0 0.0%
Incl. Wall Time (microsec)295 348 53 18.0%
Incl. Wall Time (microsec) per call 295 348 53 18.0%
Excl. Wall Time (microsec)25 28 3 12.0%
Incl. CPU (microsecs)130 137 7 5.4%
Incl. CPU (microsecs) per call 130 137 7 5.4%
Excl. CPU (microsec)21 24 3 14.3%
Incl. MemUse (bytes)12,984 12,984 0 0.0%
Incl. MemUse (bytes) per call 12,984 12,984 0 0.0%
Excl. MemUse (bytes)3,320 3,320 0 0.0%
Incl. PeakMemUse (bytes)12,600 12,600 0 0.0%
Incl. PeakMemUse (bytes) per call 12,600 12,600 0 0.0%
Excl. PeakMemUse (bytes)1,760 1,760 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% 53 46.5% 7 16.3% 0 0.0% 0 0.0%
Exclusive Metrics Diff for Current Function3 5.7% 3 42.9% 0 N/A% 0 N/A%
Parent function
Drupal\Core\Database\Database::openConnection0 N/A% 53 100.0% 7 100.0% 0 N/A% 0 N/A%
Child functions
PDO::__construct0 N/A% 49 92.5% 3 42.9% 0 N/A% 0 N/A%
PDO::exec0 N/A% 1 1.9% 1 14.3% 0 N/A% 0 N/A%
implode0 N/A% 0 0.0% 0 0.0% 0 N/A% 0 N/A%