Run Report
Run #51ec66a5a877d: XHProf Run (Namespace=drupal-perf-drupalcon)
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Parent/Child report for Drupal\Core\Lock\DatabaseLockBackend::acquire [View Callgraph ]


Function NameCallsCalls%Incl. Wall Time
(microsec)		IWall%Incl. CPU
(microsecs)		ICpu%Incl.
MemUse
(bytes)		IMemUse%Incl.
PeakMemUse
(bytes)		IPeakMemUse%
Current Function
Drupal\Core\Lock\DatabaseLockBackend::acquire1 6.2% 2,286 0.1% 452 0.0% 67,696 0.3% 23,512 0.1%
Exclusive Metrics for Current Function39 1.7% 29 6.4% 1,568 2.3% 856 3.6%
Parent function
Drupal\Core\Cache\CacheCollector::updateCache1 100.0% 2,286 100.0% 452 100.0% 67,696 100.0% 23,512 100.0%
Child functions
Drupal\Core\Database\Driver\mysql\Insert::execute1 16.7% 2,057 90.0% 223 49.3% 13,128 19.4% 16,104 68.5%
db_insert1 16.7% 156 6.8% 158 35.0% 41,416 61.2% 0 0.0%
Drupal\Core\Database\Query\Insert::fields1 16.7% 19 0.8% 21 4.6% 6,752 10.0% 6,552 27.9%
Drupal\Core\Lock\LockBackendAbstract::getLockId1 16.7% 13 0.6% 14 3.1% 3,240 4.8% 0 0.0%
microtime1 16.7% 1 0.0% 3 0.7% 800 1.2% 0 0.0%
max1 16.7% 1 0.0% 4 0.9% 792 1.2% 0 0.0%