Diff Report
Run #51ca5a4995c23: XHProf Run (Namespace=drupal-perf-joelpittet)
vs.
Run #51ca5b0eb2b08: 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 #51ca5b0eb2b08DiffDiff%
Number of Function Calls1 1 0 0.0%
Incl. Wall Time (microsec)1,364 1,449 85 6.2%
Incl. Wall Time (microsec) per call 1,364 1,449 85 6.2%
Excl. Wall Time (microsec)53 62 9 17.0%
Incl. CPU (microsecs)562 579 17 3.0%
Incl. CPU (microsecs) per call 562 579 17 3.0%
Excl. CPU (microsec)43 48 5 11.6%
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 13,184 -72 -0.5%
Incl. PeakMemUse (bytes) per call 13,256 13,184 -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 Function9 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%