Diff Report
Run #519d45fd795a4: XHProf Run (Namespace=drupal-perf-drupalcon)
vs.
Run #519d44ffb3845: XHProf Run (Namespace=drupal-perf-drupalcon)
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Regression/Improvement summary for Drupal\Core\Database\Database::openConnection

Drupal\Core\Database\Database::openConnectionRun #519d45fd795a4Run #519d44ffb3845DiffDiff%
Number of Function Calls1 1 0 0.0%
Incl. Wall Time (microsec)2,077 2,176 99 4.8%
Incl. Wall Time (microsec) per call 2,077 2,176 99 4.8%
Excl. Wall Time (microsec)66 69 3 4.5%
Incl. CPU (microsecs)1,241 1,353 112 9.0%
Incl. CPU (microsecs) per call 1,241 1,353 112 9.0%
Excl. CPU (microsec)52 53 1 1.9%
Incl. MemUse (bytes)102,232 102,236 4 0.0%
Incl. MemUse (bytes) per call 102,232 102,236 4 0.0%
Excl. MemUse (bytes)2,988 2,988 0 0.0%
Incl. PeakMemUse (bytes)99,192 99,196 4 0.0%
Incl. PeakMemUse (bytes) per call 99,192 99,196 4 0.0%
Excl. PeakMemUse (bytes)3,116 3,116 0 0.0%

Parent/Child Regression/Improvement report for Drupal\Core\Database\Database::openConnection [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\Database\Database::openConnection0 N/A% 99 0.2% 112 0.2% 4 0.0% 4 0.0%
Exclusive Metrics Diff for Current Function3 3.0% 1 0.9% 0 0.0% 0 0.0%
Parent function
Drupal\Core\Database\Database::getConnection0 N/A% 99 100.0% 112 100.0% 4 100.0% 4 100.0%
Child functions
Symfony\Component\ClassLoader\ClassLoader::loadClass0 N/A% 96 97.0% 96 85.7% 4 100.0% 4 100.0%
Drupal\Core\Database\Driver\mysql\Connection::__construct0 N/A% 3 3.0% 3 2.7% 0 0.0% 0 0.0%
Drupal\Core\Database\Database::parseConnectionInfo0 N/A% -2 -2.0% -3 -2.7% 0 0.0% 0 0.0%
Drupal\Core\Database\Connection::setTarget0 N/A% -1 -1.0% 2 1.8% 0 0.0% 0 0.0%
Drupal\Core\Database\Connection::setKey0 N/A% 0 0.0% 0 0.0% 0 0.0% 0 0.0%
Drupal\Core\Database\Driver\mysql\Connection::open0 N/A% 0 0.0% 13 11.6% 0 0.0% 0 0.0%