Diff Report
Run #52e4189e0e4fe: XHProf Run (Namespace=drupal-perf-cottser)
vs.
Run #52e417f8e04a5: 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 #52e4189e0e4feRun #52e417f8e04a5DiffDiff%
Number of Function Calls1 1 0 0.0%
Incl. Wall Time (microsec)299 403 104 34.8%
Incl. Wall Time (microsec) per call 299 403 104 34.8%
Excl. Wall Time (microsec)26 37 11 42.3%
Incl. CPU (microsecs)132 188 56 42.4%
Incl. CPU (microsecs) per call 132 188 56 42.4%
Excl. CPU (microsec)21 31 10 47.6%
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)12,648 12,648 0 0.0%
Incl. PeakMemUse (bytes) per call 12,648 12,648 0 0.0%
Excl. PeakMemUse (bytes)1,808 1,808 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% 104 28.1% 56 16.0% 0 N/A% 0 N/A%
Exclusive Metrics Diff for Current Function11 10.6% 10 17.9% 0 N/A% 0 N/A%
Parent function
Drupal\Core\Database\Database::openConnection0 N/A% 104 100.0% 56 100.0% 0 N/A% 0 N/A%
Child functions
PDO::__construct0 N/A% 77 74.0% 43 76.8% 0 N/A% 0 N/A%
PDO::exec0 N/A% 15 14.4% 2 3.6% 0 N/A% 0 N/A%
implode0 N/A% 1 1.0% 1 1.8% 0 N/A% 0 N/A%