Diff Report
Run #519c146573182: XHProf Run (Namespace=drupal-perf-drupalcon)
vs.
Run #519c116ac5313: XHProf Run (Namespace=drupal-perf-drupalcon)
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Regression/Improvement summary for Drupal\Core\Database\Database::getConnection

Drupal\Core\Database\Database::getConnectionRun #519c146573182Run #519c116ac5313DiffDiff%
Number of Function Calls25 25 0 0.0%
Incl. Wall Time (microsec)2,167 2,147 -20 -0.9%
Incl. Wall Time (microsec) per call 87 86 -1 -0.9%
Excl. Wall Time (microsec)193 202 9 4.7%
Incl. CPU (microsecs)1,459 1,541 82 5.6%
Incl. CPU (microsecs) per call 58 62 3 5.6%
Excl. CPU (microsec)232 236 4 1.7%
Incl. MemUse (bytes)104,920 104,932 12 0.0%
Incl. MemUse (bytes) per call 4,197 4,197 0 0.0%
Excl. MemUse (bytes)2,688 2,688 0 0.0%
Incl. PeakMemUse (bytes)101,172 101,184 12 0.0%
Incl. PeakMemUse (bytes) per call 4,047 4,047 0 0.0%
Excl. PeakMemUse (bytes)1,980 1,980 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% -20 -0.0% 82 0.1% 12 0.0% 12 0.0%
Exclusive Metrics Diff for Current Function9 45.0% 4 4.9% 0 0.0% 0 0.0%
Parent functions
call_user_func0 N/A% -27 -135.0% 77 93.9% 12 100.0% 12 100.0%
db_select0 N/A% 6 30.0% 8 9.8% 0 0.0% 0 0.0%
Drupal\views\Plugin\views\query\Sql::query0 N/A% 1 5.0% -3 -3.7% 0 0.0% 0 0.0%
db_query_range0 N/A% 0 0.0% -1 -1.2% 0 0.0% 0 0.0%
db_query0 N/A% 0 0.0% 1 1.2% 0 0.0% 0 0.0%
Child function
Drupal\Core\Database\Database::openConnection0 N/A% -29 -145.0% 78 95.1% 12 100.0% 12 100.0%