Added trace messages.

framework/yii/base/Action.php

@@ -7,6 +7,8 @@
 
 namespace yii\base;
 
+use Yii;
+
 /**
  * Action is the base class for all controller action classes.
  *
@@ -75,6 +77,7 @@ class Action extends Component
 			throw new InvalidConfigException(get_class($this) . ' must define a "run()" method.');
 		}
 		$args = $this->controller->bindActionParams($this, $params);
+		Yii::trace('Running "' . get_class($this) . '::run()" with parameters: ' . var_export($args, true), __METHOD__);
 		return call_user_func_array(array($this, 'run'), $args);
 	}
 }

framework/yii/base/Controller.php

@@ -107,6 +107,7 @@ class Controller extends Component
 	{
 		$action = $this->createAction($id);
 		if ($action !== null) {
+			Yii::trace("Route to run: " . $action->getUniqueId(), __METHOD__);
 			$oldAction = $this->action;
 			$this->action = $action;
 			$result = null;

framework/yii/base/InlineAction.php

@@ -7,6 +7,8 @@
 
 namespace yii\base;
 
+use Yii;
+
 /**
  * InlineAction represents an action that is defined as a controller method.
  *
@@ -44,6 +46,7 @@ class InlineAction extends Action
 	public function runWithParams($params)
 	{
 		$args = $this->controller->bindActionParams($this, $params);
+		Yii::trace("Running '" . get_class($this->controller) . '::' . $this->actionMethod . "()' with parameters: " . var_export($args, true), __METHOD__);
 		return call_user_func_array(array($this->controller, $this->actionMethod), $args);
 	}
 }

framework/yii/web/Application.php

@@ -65,6 +65,7 @@ class Application extends \yii\base\Application
 			$params = array_splice($this->catchAll, 1);
 		}
 		try {
+			Yii::trace("Route requested: '$route'", __METHOD__);
 			$result = $this->runAction($route, $params);
 			if ($result instanceof Response) {
 				return $result;