Diff Report
Run #5204425923c81: XHProf Run (Namespace=drupal-perf-cottser)
vs.
Run #5204417bc7ab7: XHProf Run (Namespace=drupal-perf-cottser)
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Regression/Improvement summary for Drupal\Core\Lock\DatabaseLockBackend::acquire

Drupal\Core\Lock\DatabaseLockBackend::acquireRun #5204425923c81Run #5204417bc7ab7DiffDiff%
Number of Function Calls1 1 0 0.0%
Incl. Wall Time (microsec)1,943 2,035 92 4.7%
Incl. Wall Time (microsec) per call 1,943 2,035 92 4.7%
Excl. Wall Time (microsec)50 58 8 16.0%
Incl. CPU (microsecs)521 531 10 1.9%
Incl. CPU (microsecs) per call 521 531 10 1.9%
Excl. CPU (microsec)41 49 8 19.5%
Incl. MemUse (bytes)67,064 67,064 0 0.0%
Incl. MemUse (bytes) per call 67,064 67,064 0 0.0%
Excl. MemUse (bytes)1,624 1,624 0 0.0%
Incl. PeakMemUse (bytes)50,136 50,160 24 0.0%
Incl. PeakMemUse (bytes) per call 50,136 50,160 24 0.0%
Excl. PeakMemUse (bytes)1,560 1,560 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% 92 116.5% 10 1.3% 0 0.0% 24 0.1%
Exclusive Metrics Diff for Current Function8 8.7% 8 80.0% 0 N/A% 0 0.0%
Parent function
Drupal\Core\Cache\CacheCollector::updateCache0 N/A% 92 100.0% 10 100.0% 0 N/A% 24 100.0%
Child functions
Drupal\Core\Database\Driver\mysql\Insert::execute0 N/A% 83 90.2% 1 10.0% 0 N/A% -8 -33.3%
Drupal\Core\Lock\LockBackendAbstract::getLockId0 N/A% 4 4.3% 4 40.0% 0 N/A% 0 0.0%
db_insert0 N/A% -3 -3.3% -4 -40.0% 0 N/A% 32 133.3%
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% 1 10.0% 0 N/A% 0 0.0%