Merge pull request #3288 from Icinga/bugfix/performance-problem-lots-of-performance-data-2894

Performance data: render pie charts without freezing the UI

public/js/icinga/behavior/sparkline.js

@@ -15,13 +15,17 @@
 
     Sparkline.prototype.onRendered = function(e) {
         $(e.target).find('.sparkline').each(function() {
-            $(this).sparkline('html', {
-                enableTagOptions: true,
-                disableTooltips: true
-            });
+            setTimeout(sparkline, 0, $(this));
         });
     };
 
     Icinga.Behaviors.Sparkline = Sparkline;
 
+    function sparkline(selector) {
+        selector.sparkline('html', {
+            enableTagOptions: true,
+            disableTooltips: true
+        });
+    }
+
 })(Icinga, jQuery);