Diff Report
Run #519d4cd4e396d: XHProf Run (Namespace=drupal-perf-drupalcon)
vs.
Run #519d4dc9980f7: XHProf Run (Namespace=drupal-perf-drupalcon)
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Regression/Improvement summary for Drupal\Core\Database\Database::getConnection

Drupal\Core\Database\Database::getConnectionRun #519d4cd4e396dRun #519d4dc9980f7DiffDiff%
Number of Function Calls13 13 0 0.0%
Incl. Wall Time (microsec)2,144 2,214 70 3.3%
Incl. Wall Time (microsec) per call 165 170 5 3.3%
Excl. Wall Time (microsec)101 104 3 3.0%
Incl. CPU (microsecs)1,417 1,391 -26 -1.8%
Incl. CPU (microsecs) per call 109 107 -2 -1.8%
Excl. CPU (microsec)124 121 -3 -2.4%
Incl. MemUse (bytes)104,920 104,932 12 0.0%
Incl. MemUse (bytes) per call 8,071 8,072 1 0.0%
Excl. MemUse (bytes)2,688 2,688 0 0.0%
Incl. PeakMemUse (bytes)100,980 100,992 12 0.0%
Incl. PeakMemUse (bytes) per call 7,768 7,769 1 0.0%
Excl. PeakMemUse (bytes)1,952 1,952 0 0.0%

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% 70 0.5% -26 -0.2% 12 1.8% 12 1.9%
Exclusive Metrics Diff for Current Function3 4.3% -3 -11.5% 0 0.0% 0 0.0%
Parent functions
call_user_func0 N/A% 66 94.3% -25 -96.2% 12 100.0% 12 100.0%
db_select0 N/A% 3 4.3% 2 7.7% 0 0.0% 0 0.0%
db_query_range0 N/A% 1 1.4% 1 3.8% 0 0.0% 0 0.0%
db_query0 N/A% 0 0.0% -3 -11.5% 0 0.0% 0 0.0%
Drupal\views\Plugin\views\query\Sql::query0 N/A% 0 0.0% -1 -3.8% 0 0.0% 0 0.0%
Child function
Drupal\Core\Database\Database::openConnection0 N/A% 67 95.7% -23 -88.5% 12 100.0% 12 100.0%