Diff Report
Run #512a1f7f217a6: XHProf Run (Namespace=drupal-perf)
vs.
Run #512a20b11c1ab: XHProf Run (Namespace=drupal-perf)
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Regression/Improvement summary for Drupal\Core\Database\Database::getConnection

Drupal\Core\Database\Database::getConnectionRun #512a1f7f217a6Run #512a20b11c1abDiffDiff%
Number of Function Calls135 168 33 24.4%
Incl. Wall Time (microsec)1,095 1,223 128 11.7%
Incl. Wall Time (microsec) per call 8 7 -1 -10.2%
Excl. Wall Time (microsec)368 451 83 22.6%
Incl. CPU (microsecs)0 0 0 N/A%
Incl. CPU (microsecs) per call 0 0 0 N/A%
Excl. CPU (microsec)0 0 0 N/A%
Incl. MemUse (bytes)262,424 263,552 1,128 0.4%
Incl. MemUse (bytes) per call 1,944 1,569 -375 -19.3%
Excl. MemUse (bytes)7,888 9,040 1,152 14.6%
Incl. PeakMemUse (bytes)264,904 267,744 2,840 1.1%
Incl. PeakMemUse (bytes) per call 1,962 1,594 -369 -18.8%
Excl. PeakMemUse (bytes)8,368 11,232 2,864 34.2%

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::getConnection33 100.0% 128 0.4% 0 0.0% 1,128 0.0% 2,840 0.1%
Exclusive Metrics Diff for Current Function83 64.8% 0 N/A% 1,152 102.1% 2,864 100.8%
Parent functions
Drupal\Core\Cache\DatabaseBackend::getMultiple30 90.9% 121 94.5% 0 N/A% -24 -2.1% 1,056 37.2%
Drupal\views\Plugin\views\query\Sql::query2 6.1% 4 3.1% 0 N/A% 1,152 102.1% 1,152 40.6%
Drupal\Core\Cache\DatabaseBackend::checksumTags1 3.0% 3 2.3% 0 N/A% 0 0.0% 456 16.1%
db_select0 0.0% 0 0.0% 0 N/A% 0 0.0% 176 6.2%
db_query_range0 0.0% 0 0.0% 0 N/A% 0 0.0% 0 0.0%
call_user_func0 0.0% 0 0.0% 0 N/A% 0 0.0% 0 0.0%
db_query0 0.0% 0 0.0% 0 N/A% 0 0.0% 0 0.0%
Child function
Drupal\Core\Database\Database::openConnection0 N/A% 45 35.2% 0 N/A% -24 -2.1% -24 -0.8%