Diff Report
Run #517d7587ada9c: XHProf Run (Namespace=drupal-perf-cottser)
vs.
Run #517d750163e11: XHProf Run (Namespace=drupal-perf-cottser)
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Regression/Improvement summary for Drupal\Core\Database\Database::getConnection

Drupal\Core\Database\Database::getConnectionRun #517d7587ada9cRun #517d750163e11DiffDiff%
Number of Function Calls9 9 0 0.0%
Incl. Wall Time (microsec)1,274 1,378 104 8.2%
Incl. Wall Time (microsec) per call 142 153 12 8.2%
Excl. Wall Time (microsec)44 50 6 13.6%
Incl. CPU (microsecs)808 900 92 11.4%
Incl. CPU (microsecs) per call 90 100 10 11.4%
Excl. CPU (microsec)55 63 8 14.5%
Incl. MemUse (bytes)178,160 178,160 0 0.0%
Incl. MemUse (bytes) per call 19,796 19,796 0 0.0%
Excl. MemUse (bytes)4,136 4,136 0 0.0%
Incl. PeakMemUse (bytes)176,952 177,000 48 0.0%
Incl. PeakMemUse (bytes) per call 19,661 19,667 5 0.0%
Excl. PeakMemUse (bytes)2,976 3,024 48 1.6%

Parent/Child Regression/Improvement report for Drupal\Core\Database\Database::getConnection [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\Database::getConnection0 N/A% 104 1.3% 92 1.0% 0 0.0% 48 0.4%
Exclusive Metrics Diff for Current Function6 5.8% 8 8.7% 0 N/A% 48 100.0%
Parent functions
call_user_func0 N/A% 97 93.3% 82 89.1% 0 N/A% 0 0.0%
db_select0 N/A% 5 4.8% 6 6.5% 0 N/A% 48 100.0%
db_query_range0 N/A% 3 2.9% 3 3.3% 0 N/A% 0 0.0%
db_query0 N/A% -1 -1.0% 1 1.1% 0 N/A% 0 0.0%
Child function
Drupal\Core\Database\Database::openConnection0 N/A% 98 94.2% 84 91.3% 0 N/A% 0 0.0%