diff --git a/ui/app/controllers/CControllerHostViewRefresh.php b/ui/app/controllers/CControllerHostViewRefresh.php
index 4c638c652a0..65176bbac21 100644
--- a/ui/app/controllers/CControllerHostViewRefresh.php
+++ b/ui/app/controllers/CControllerHostViewRefresh.php
@@ -60,7 +60,8 @@ class CControllerHostViewRefresh extends CControllerHostView {
 				'sort' => $filter['sort'],
 				'sortorder' => $filter['sortorder'],
 				'allowed_ui_latest_data' => $this->checkAccess(CRoleHelper::UI_MONITORING_LATEST_DATA),
-				'allowed_ui_problems' => $this->checkAccess(CRoleHelper::UI_MONITORING_PROBLEMS)
+				'allowed_ui_problems' => $this->checkAccess(CRoleHelper::UI_MONITORING_PROBLEMS),
+				'user' => ['debug_mode' => $this->getDebugMode()]
 			] + $this->getData($filter);
 
 			$response = new CControllerResponseData($data);
diff --git a/ui/app/views/js/monitoring.host.view.js.php b/ui/app/views/js/monitoring.host.view.js.php
index 60fb4697efa..22773d7ab58 100644
--- a/ui/app/views/js/monitoring.host.view.js.php
+++ b/ui/app/views/js/monitoring.host.view.js.php
@@ -162,6 +162,10 @@
 			return this.bindDataEvents(this.deferred);
 		},
 
+		getCurrentDebugBlock() {
+			return document.querySelector('.wrapper > .debug-output');
+		},
+
 		setLoading() {
 			this.host_view_form.addClass('is-loading is-loading-fadein delayed-15s');
 		},
@@ -183,6 +187,12 @@
 			return deferred;
 		},
 
+		refreshDebug(debug) {
+			this.getCurrentDebugBlock().replaceWith(
+				new DOMParser().parseFromString(debug, 'text/html').body.firstElementChild
+			);
+		},
+
 		onDataDone(response) {
 			this.clearLoading();
 			this._removeRefreshMessage();
@@ -196,6 +206,8 @@
 			if ('messages' in response) {
 				this._addRefreshMessage(response.messages);
 			}
+
+			('debug' in response) && this.refreshDebug(response.debug);
 		},
 
 		onDataFail(jqXHR) {
diff --git a/ui/app/views/monitoring.host.view.refresh.php b/ui/app/views/monitoring.host.view.refresh.php
index 25409caabe0..4c17e7f7f6e 100644
--- a/ui/app/views/monitoring.host.view.refresh.php
+++ b/ui/app/views/monitoring.host.view.refresh.php
@@ -22,4 +22,9 @@ if (($messages = getMessages()) !== null) {
 	$output['messages'] = $messages->toString();
 }
 
+if ($data['user']['debug_mode'] == GROUP_DEBUG_MODE_ENABLED) {
+	CProfiler::getInstance()->stop();
+	$output['debug'] = CProfiler::getInstance()->make()->toString();
+}
+
 echo json_encode($output);