public function searchAction()
    {
        /** @var Sheep_Debug_Model_Resource_RequestInfo_Collection $requests */
        $requests = $this->_getFilteredRequests();

        $this->loadLayout('sheep_debug');
        /** @var Mage_Page_Block_Html $rootBlock */
        $rootBlock = $this->getLayout()->getBlock('root');
        $rootBlock->setHeaderTitle($this->__('Request profiles'));

        /** @var Sheep_Debug_Block_View $profileListBlock */
        $profileListBlock = $this->getLayout()->getBlock('sheep_debug_list');
        $profileListBlock->setData('results', $requests);

        $this->renderLayout();
    }