Diff Report
Run #51ca5b0eb2b08: XHProf Run (Namespace=drupal-perf-joelpittet)
vs.
Run #51ca5a4995c23: XHProf Run (Namespace=drupal-perf-joelpittet)
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Regression/Improvement summary for Drupal\Core\Lock\DatabaseLockBackend::acquire

Drupal\Core\Lock\DatabaseLockBackend::acquireRun #51ca5b0eb2b08Run #51ca5a4995c23DiffDiff%
Number of Function Calls1 1 0 0.0%
Incl. Wall Time (microsec)1,449 1,364 -85 -5.9%
Incl. Wall Time (microsec) per call 1,449 1,364 -85 -5.9%
Excl. Wall Time (microsec)62 53 -9 -14.5%
Incl. CPU (microsecs)579 562 -17 -2.9%
Incl. CPU (microsecs) per call 579 562 -17 -2.9%
Excl. CPU (microsec)48 43 -5 -10.4%
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)13,184 13,256 72 0.5%
Incl. PeakMemUse (bytes) per call 13,184 13,256 72 0.5%
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% -85 -2.3% -17 -0.7% 0 0.0% 72 0.0%
Exclusive Metrics Diff for Current Function-9 -10.6% -5 -29.4% 0 N/A% 0 0.0%
Parent function
Drupal\Core\Cache\CacheCollector::updateCache0 N/A% -85 -100.0% -17 -100.0% 0 N/A% 72 100.0%
Child functions
Drupal\Core\Database\Driver\mysql\Insert::execute0 N/A% -71 -83.5% -5 -29.4% 0 N/A% 0 0.0%
Drupal\Core\Lock\LockBackendAbstract::getLockId0 N/A% -18 -21.2% -19 -111.8% 0 N/A% 0 0.0%
db_insert0 N/A% 13 15.3% 12 70.6% 0 N/A% 72 100.0%
microtime0 N/A% 0 0.0% 0 0.0% 0 N/A% 0 0.0%
Drupal\Core\Database\Query\Insert::fields0 N/A% 0 0.0% 0 0.0% 0 N/A% 0 0.0%
max0 N/A% 0 0.0% 0 0.0% 0 N/A% 0 0.0%