Diff Report
Run #52c8629919553: XHProf Run (Namespace=drupal-perf-cottser)
vs.
Run #52c862ea26981: 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 #52c8629919553Run #52c862ea26981DiffDiff%
Number of Function Calls1 1 0 0.0%
Incl. Wall Time (microsec)294 348 54 18.4%
Incl. Wall Time (microsec) per call 294 348 54 18.4%
Excl. Wall Time (microsec)24 28 4 16.7%
Incl. CPU (microsecs)132 138 6 4.5%
Incl. CPU (microsecs) per call 132 138 6 4.5%
Excl. CPU (microsec)21 23 2 9.5%
Incl. MemUse (bytes)13,016 13,016 0 0.0%
Incl. MemUse (bytes) per call 13,016 13,016 0 0.0%
Excl. MemUse (bytes)3,368 3,368 0 0.0%
Incl. PeakMemUse (bytes)12,064 12,064 0 0.0%
Incl. PeakMemUse (bytes) per call 12,064 12,064 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% 54 84.4% 6 3.4% 0 0.0% 0 0.0%
Exclusive Metrics Diff for Current Function4 7.4% 2 33.3% 0 N/A% 0 N/A%
Parent function
Drupal\Core\Database\Database::openConnection0 N/A% 54 100.0% 6 100.0% 0 N/A% 0 N/A%
Child functions
PDO::__construct0 N/A% 48 88.9% 3 50.0% 0 N/A% 0 N/A%
PDO::exec0 N/A% 2 3.7% 0 0.0% 0 N/A% 0 N/A%
implode0 N/A% 0 0.0% 1 16.7% 0 N/A% 0 N/A%