Diff Report
Run #5219624c55207: XHProf Run (Namespace=drupal-perf-cottser)
vs.
Run #521962849973a: XHProf Run (Namespace=drupal-perf-cottser)
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Regression/Improvement summary for Drupal\Core\Lock\DatabaseLockBackend::acquire

Drupal\Core\Lock\DatabaseLockBackend::acquireRun #5219624c55207Run #521962849973aDiffDiff%
Number of Function Calls1 1 0 0.0%
Incl. Wall Time (microsec)1,744 2,033 289 16.6%
Incl. Wall Time (microsec) per call 1,744 2,033 289 16.6%
Excl. Wall Time (microsec)40 49 9 22.5%
Incl. CPU (microsecs)461 524 63 13.7%
Incl. CPU (microsecs) per call 461 524 63 13.7%
Excl. CPU (microsec)39 51 12 30.8%
Incl. MemUse (bytes)67,128 67,128 0 0.0%
Incl. MemUse (bytes) per call 67,128 67,128 0 0.0%
Excl. MemUse (bytes)1,624 1,624 0 0.0%
Incl. PeakMemUse (bytes)51,992 51,992 0 0.0%
Incl. PeakMemUse (bytes) per call 51,992 51,992 0 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% 289 545.3% 63 50.0% 0 N/A% 0 N/A%
Exclusive Metrics Diff for Current Function9 3.1% 12 19.0% 0 N/A% 0 N/A%
Parent function
Drupal\Core\Cache\CacheCollector::updateCache0 N/A% 289 100.0% 63 100.0% 0 N/A% 0 N/A%
Child functions
Drupal\Core\Database\Driver\mysql\Insert::execute0 N/A% 280 96.9% 49 77.8% 0 N/A% 0 N/A%
Drupal\Core\Database\Query\Insert::fields0 N/A% -1 -0.3% 0 0.0% 0 N/A% 0 N/A%
db_insert0 N/A% 1 0.3% 1 1.6% 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 1.6% 0 N/A% 0 N/A%
Drupal\Core\Lock\LockBackendAbstract::getLockId0 N/A% 0 0.0% 0 0.0% 0 N/A% 0 N/A%