diff --git a/src/Symfony/Component/HttpKernel/DataCollector/EventDataCollector.php b/src/Symfony/Component/HttpKernel/DataCollector/EventDataCollector.php
index 9ed05821dfac..0c35cf170151 100644
--- a/src/Symfony/Component/HttpKernel/DataCollector/EventDataCollector.php
+++ b/src/Symfony/Component/HttpKernel/DataCollector/EventDataCollector.php
@@ -11,6 +11,7 @@
 
 namespace Symfony\Component\HttpKernel\DataCollector;
 
+use Symfony\Component\HttpKernel\DataCollector\LateDataCollectorInterface;
 use Symfony\Component\HttpFoundation\Request;
 use Symfony\Component\HttpFoundation\Response;
 use Symfony\Component\EventDispatcher\EventDispatcherInterface;
@@ -21,7 +22,7 @@
  *
  * @author Fabien Potencier <fabien@symfony.com>
  */
-class EventDataCollector extends DataCollector
+class EventDataCollector extends DataCollector implements LateDataCollectorInterface
 {
     protected $dispatcher;
 
@@ -41,6 +42,14 @@ public function collect(Request $request, Response $response, \Exception $except
         );
     }
 
+    public function lateCollect()
+    {
+        if ($this->dispatcher instanceof TraceableEventDispatcherInterface) {
+            $this->setCalledListeners($this->dispatcher->getCalledListeners());
+            $this->setNotCalledListeners($this->dispatcher->getNotCalledListeners());
+        }
+    }
+
     /**
      * Sets the called listeners.
      *
@@ -89,16 +98,6 @@ public function getNotCalledListeners()
         return $this->data['not_called_listeners'];
     }
 
-    public function serialize()
-    {
-        if ($this->dispatcher instanceof TraceableEventDispatcherInterface) {
-            $this->setCalledListeners($this->dispatcher->getCalledListeners());
-            $this->setNotCalledListeners($this->dispatcher->getNotCalledListeners());
-        }
-
-        return parent::serialize();
-    }
-
     /**
      * {@inheritdoc}
      */
diff --git a/src/Symfony/Component/HttpKernel/DataCollector/LateDataCollectorInterface.php b/src/Symfony/Component/HttpKernel/DataCollector/LateDataCollectorInterface.php
new file mode 100644
index 000000000000..2c4ccb6850ed
--- /dev/null
+++ b/src/Symfony/Component/HttpKernel/DataCollector/LateDataCollectorInterface.php
@@ -0,0 +1,28 @@
+<?php
+
+/*
+ * This file is part of the Symfony package.
+ *
+ * (c) Fabien Potencier <fabien@symfony.com>
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+
+namespace Symfony\Component\HttpKernel\DataCollector;
+
+use Symfony\Component\HttpFoundation\Request;
+use Symfony\Component\HttpFoundation\Response;
+
+/**
+ * LateDataCollectorInterface.
+ *
+ * @author Fabien Potencier <fabien@symfony.com>
+ */
+interface LateDataCollectorInterface
+{
+    /**
+     * Collects data as late as possible.
+     */
+    public function lateCollect();
+}
diff --git a/src/Symfony/Component/HttpKernel/DataCollector/LoggerDataCollector.php b/src/Symfony/Component/HttpKernel/DataCollector/LoggerDataCollector.php
index f08720e8073b..7a94fa859546 100644
--- a/src/Symfony/Component/HttpKernel/DataCollector/LoggerDataCollector.php
+++ b/src/Symfony/Component/HttpKernel/DataCollector/LoggerDataCollector.php
@@ -32,6 +32,14 @@ public function __construct($logger = null)
         }
     }
 
+    /**
+     * {@inheritdoc}
+     */
+    public function collect(Request $request, Response $response, \Exception $exception = null)
+    {
+        // everything is done as late as possible
+    }
+
     /**
      * {@inheritdoc}
      */
diff --git a/src/Symfony/Component/HttpKernel/DataCollector/MemoryDataCollector.php b/src/Symfony/Component/HttpKernel/DataCollector/MemoryDataCollector.php
index 03d61e5af1e0..8db93621537b 100644
--- a/src/Symfony/Component/HttpKernel/DataCollector/MemoryDataCollector.php
+++ b/src/Symfony/Component/HttpKernel/DataCollector/MemoryDataCollector.php
@@ -11,6 +11,7 @@
 
 namespace Symfony\Component\HttpKernel\DataCollector;
 
+use Symfony\Component\HttpKernel\DataCollector\LateDataCollectorInterface;
 use Symfony\Component\HttpFoundation\Request;
 use Symfony\Component\HttpFoundation\Response;
 
@@ -19,7 +20,7 @@
  *
  * @author Fabien Potencier <fabien@symfony.com>
  */
-class MemoryDataCollector extends DataCollector
+class MemoryDataCollector extends DataCollector implements LateDataCollectorInterface
 {
     public function __construct()
     {
@@ -37,6 +38,14 @@ public function collect(Request $request, Response $response, \Exception $except
         $this->updateMemoryUsage();
     }
 
+    /**
+     * {@inheritdoc}
+     */
+    public function lateCollect()
+    {
+        $this->updateMemoryUsage();
+    }
+
     /**
      * Gets the memory.
      *
@@ -65,13 +74,6 @@ public function updateMemoryUsage()
         $this->data['memory'] = memory_get_peak_usage(true);
     }
 
-    public function serialize()
-    {
-        $this->updateMemoryUsage();
-
-        return parent::serialize();
-    }
-
     /**
      * {@inheritdoc}
      */
diff --git a/src/Symfony/Component/HttpKernel/DataCollector/TimeDataCollector.php b/src/Symfony/Component/HttpKernel/DataCollector/TimeDataCollector.php
index 4f73418f26fb..3dd59465df97 100644
--- a/src/Symfony/Component/HttpKernel/DataCollector/TimeDataCollector.php
+++ b/src/Symfony/Component/HttpKernel/DataCollector/TimeDataCollector.php
@@ -12,6 +12,7 @@
 namespace Symfony\Component\HttpKernel\DataCollector;
 
 use Symfony\Component\HttpKernel\DataCollector\DataCollector;
+use Symfony\Component\HttpKernel\DataCollector\LateDataCollectorInterface;
 use Symfony\Component\HttpKernel\KernelInterface;
 use Symfony\Component\HttpFoundation\Request;
 use Symfony\Component\HttpFoundation\Response;
@@ -22,7 +23,7 @@
  *
  * @author Fabien Potencier <fabien@symfony.com>
  */
-class TimeDataCollector extends DataCollector
+class TimeDataCollector extends DataCollector implements LateDataCollectorInterface
 {
     protected $kernel;
     protected $stopwatch;
@@ -51,6 +52,17 @@ public function collect(Request $request, Response $response, \Exception $except
         );
     }
 
+    /**
+     * {@inheritdoc}
+     */
+    public function lateCollect()
+    {
+        if (null !== $this->stopwatch && isset($this->data['token'])) {
+            $this->setEvents($this->stopwatch->getSectionEvents($this->data['token']));
+        }
+        unset($this->data['token']);
+    }
+
     /**
      * Sets the request events.
      *
@@ -117,16 +129,6 @@ public function getStartTime()
         return $this->data['start_time'];
     }
 
-    public function serialize()
-    {
-        if (null !== $this->stopwatch && isset($this->data['token'])) {
-            $this->setEvents($this->stopwatch->getSectionEvents($this->data['token']));
-        }
-        unset($this->data['token']);
-
-        return parent::serialize();
-    }
-
     /**
      * {@inheritdoc}
      */
diff --git a/src/Symfony/Component/HttpKernel/Profiler/Profiler.php b/src/Symfony/Component/HttpKernel/Profiler/Profiler.php
index 3315eebd21ef..1c90a8a3c85b 100644
--- a/src/Symfony/Component/HttpKernel/Profiler/Profiler.php
+++ b/src/Symfony/Component/HttpKernel/Profiler/Profiler.php
@@ -15,6 +15,7 @@
 use Symfony\Component\HttpFoundation\Response;
 use Symfony\Component\HttpKernel\Profiler\ProfilerStorageInterface;
 use Symfony\Component\HttpKernel\DataCollector\DataCollectorInterface;
+use Symfony\Component\HttpKernel\DataCollector\LateDataCollectorInterface;
 use Psr\Log\LoggerInterface;
 
 /**
@@ -109,6 +110,13 @@ public function loadProfile($token)
      */
     public function saveProfile(Profile $profile)
     {
+        // late collect
+        foreach ($profile->getCollectors() as $collector) {
+            if ($collector instanceof LateDataCollectorInterface) {
+                $collector->lateCollect();
+            }
+        }
+
         if (!($ret = $this->storage->write($profile)) && null !== $this->logger) {
             $this->logger->warning('Unable to store the profiler information.');
         }