Diff Report
Run #51ca5a4995c23: XHProf Run (Namespace=drupal-perf-joelpittet)
vs.
Run #51ca5ac5912c3: XHProf Run (Namespace=drupal-perf-joelpittet)
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Regression/Improvement summary for Drupal\Core\Lock\DatabaseLockBackend::acquire

Drupal\Core\Lock\DatabaseLockBackend::acquireRun #51ca5a4995c23Run #51ca5ac5912c3DiffDiff%
Number of Function Calls1 1 0 0.0%
Incl. Wall Time (microsec)1,364 1,340 -24 -1.8%
Incl. Wall Time (microsec) per call 1,364 1,340 -24 -1.8%
Excl. Wall Time (microsec)53 66 13 24.5%
Incl. CPU (microsecs)562 576 14 2.5%
Incl. CPU (microsecs) per call 562 576 14 2.5%
Excl. CPU (microsec)43 56 13 30.2%
Incl. MemUse (bytes)12,840 12,840 0 0.0%
Incl. MemUse (bytes) per call 12,840 12,840 0 0.0%
Excl. MemUse (bytes)1,576 1,576 0 0.0%
Incl. PeakMemUse (bytes)13,256 13,256 0 0.0%
Incl. PeakMemUse (bytes) per call 13,256 13,256 0 0.0%
Excl. PeakMemUse (bytes)1,584 1,584 0 0.0%

Parent/Child Regression/Improvement report for Drupal\Core\Lock\DatabaseLockBackend::acquire [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\Lock\DatabaseLockBackend::acquire0 N/A% -24 -6.9% 14 0.9% 0 N/A% 0 N/A%
Exclusive Metrics Diff for Current Function13 54.2% 13 92.9% 0 N/A% 0 N/A%
Parent function
Drupal\Core\Cache\CacheCollector::updateCache0 N/A% -24 -100.0% 14 100.0% 0 N/A% 0 N/A%
Child functions
Drupal\Core\Database\Driver\mysql\Insert::execute0 N/A% -37 -154.2% 1 7.1% 0 N/A% 0 N/A%
Drupal\Core\Database\Query\Insert::fields0 N/A% 0 0.0% 0 0.0% 0 N/A% 0 N/A%
Drupal\Core\Lock\LockBackendAbstract::getLockId0 N/A% 0 0.0% 1 7.1% 0 N/A% 0 N/A%
db_insert0 N/A% 0 0.0% 0 0.0% 0 N/A% 0 N/A%
microtime0 N/A% 0 0.0% 0 0.0% 0 N/A% 0 N/A%
max0 N/A% 0 0.0% -1 -7.1% 0 N/A% 0 N/A%