Diff Report
Run #54e0a77153dbf: XHProf Run (Namespace=drupal-perf-cottser)
vs.
Run #54e0a6d45fe2a: XHProf Run (Namespace=drupal-perf-cottser)
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Regression/Improvement summary for Drupal\Core\Session\SessionManager::start

Drupal\Core\Session\SessionManager::startRun #54e0a77153dbfRun #54e0a6d45fe2aDiffDiff%
Number of Function Calls1 1 0 0.0%
Incl. Wall Time (microsec)1,329 1,347 18 1.4%
Incl. Wall Time (microsec) per call 1,329 1,347 18 1.4%
Excl. Wall Time (microsec)42 45 3 7.1%
Incl. CPU (microsecs)1,181 1,194 13 1.1%
Incl. CPU (microsecs) per call 1,181 1,194 13 1.1%
Excl. CPU (microsec)31 32 1 3.2%
Incl. MemUse (bytes)129,752 129,752 0 0.0%
Incl. MemUse (bytes) per call 129,752 129,752 0 0.0%
Excl. MemUse (bytes)3,776 3,776 0 0.0%
Incl. PeakMemUse (bytes)166,088 166,088 0 0.0%
Incl. PeakMemUse (bytes) per call 166,088 166,088 0 0.0%
Excl. PeakMemUse (bytes)2,112 2,112 0 0.0%

Parent/Child Regression/Improvement report for Drupal\Core\Session\SessionManager::start [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\Session\SessionManager::start0 N/A% 18 1.0% 13 1.0% 0 N/A% 0 N/A%
Exclusive Metrics Diff for Current Function3 16.7% 1 7.7% 0 N/A% 0 N/A%
Parent function
Symfony\Component\HttpFoundation\Session\Session::start0 N/A% 18 100.0% 13 100.0% 0 N/A% 0 N/A%
Child functions
drupal_get_user_timezone0 N/A% 6 33.3% 1 7.7% 0 N/A% 0 N/A%
Drupal\Component\Utility\Crypt::randomBytesBase640 N/A% 5 27.8% 6 46.2% 0 N/A% 0 N/A%
Symfony\Component\HttpFoundation\Session\Storage\NativeSessionStorage::loadSession0 N/A% 2 11.1% 1 7.7% 0 N/A% 0 N/A%
Composer\Autoload\ClassLoader::loadClass0 N/A% 2 11.1% 2 15.4% 0 N/A% 0 N/A%
Symfony\Component\HttpFoundation\Session\Storage\NativeSessionStorage::setId0 N/A% 1 5.6% 0 0.0% 0 N/A% 0 N/A%
Symfony\Component\HttpFoundation\Session\Storage\NativeSessionStorage::setOptions0 N/A% 1 5.6% 3 23.1% 0 N/A% 0 N/A%
Symfony\Component\HttpFoundation\RequestStack::getCurrentRequest0 N/A% -1 -5.6% 0 0.0% 0 N/A% 0 N/A%
date_default_timezone_set0 N/A% -1 -5.6% -2 -15.4% 0 N/A% 0 N/A%
Drupal\Core\Session\AnonymousUserSession::__construct0 N/A% 0 0.0% 0 0.0% 0 N/A% 0 N/A%
Drupal\Core\Session\SessionConfiguration::getOptions0 N/A% 0 0.0% 1 7.7% 0 N/A% 0 N/A%
Drupal\Core\Session\SessionConfiguration::hasSession0 N/A% 0 0.0% 0 0.0% 0 N/A% 0 N/A%