Run Report
Run #51ec3c1813b11: 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% 895 0.4% 470 0.2% 67,704 0.4% 45,016 0.3%
Exclusive Metrics for Current Function34 3.8% 24 5.1% 1,568 2.3% 1,480 3.3%
Parent function
Drupal\Core\Cache\CacheCollector::updateCache1 100.0% 895 100.0% 470 100.0% 67,704 100.0% 45,016 100.0%
Child functions
Drupal\Core\Database\Driver\mysql\Insert::execute1 16.7% 663 74.1% 236 50.2% 13,136 19.4% 12,800 28.4%
db_insert1 16.7% 163 18.2% 166 35.3% 41,416 61.2% 23,816 52.9%
Drupal\Core\Database\Query\Insert::fields1 16.7% 20 2.2% 22 4.7% 6,752 10.0% 4,272 9.5%
Drupal\Core\Lock\LockBackendAbstract::getLockId1 16.7% 13 1.5% 16 3.4% 3,240 4.8% 2,648 5.9%
microtime1 16.7% 1 0.1% 3 0.6% 800 1.2% 0 0.0%
max1 16.7% 1 0.1% 3 0.6% 792 1.2% 0 0.0%