display probe function to help debugging mobile etc.

app/assets/javascripts/discourse/lib/probes.js

@@ -32,7 +32,8 @@
   clear = function() {
     window.probes = {
       clear: clear,
-      measure: measure
+      measure: measure,
+      displayProbes: displayProbes
     };
   };
 
@@ -113,6 +114,41 @@
     };
   };
 
+  var displayProbes = function(){
+     var pre;
+     var text = "";
+     var body = document.getElementsByTagName("body")[0];
+
+     for(var prop in window.probes){
+       var probe = window.probes[prop];
+       if(probe && probe.count){
+          text += prop + ": " + probe.time + " ( " + probe.count + " )\n";
+       }
+     }
+
+     pre = document.getElementById("__probes");
+
+     if(!body){
+       return;
+     }
+
+     if(pre){
+       pre.textContent = text;
+       pre.innerText = text;
+       return;
+     }
+
+     pre = document.createElement("pre");
+
+     pre.textContent = text;
+     pre.innerText = text;
+     pre.setAttribute("style", "position: fixed; bottom: 25px; left: 50px; z-index: 99999; border: 1px solid #777; padding: 10px; background-color: rgba(255,255,255, 0.8);");
+     pre.id = "__probes";
+     body.appendChild(pre);
+  };
+
+
+  // setInterval(displayProbes, 1000);
   clear();
 
 })();