add some admin UI for profiling the server's workers

docs/profile.md

@@ -1,22 +0,0 @@
-```javascript
-CryptPad_AsyncStore.rpc.send('ADMIN',
-  ['GET_WORKER_PROFILES'],
-  (e, _o) => {
-    var o = _o[0];
-    // console.log(o[0])
-    var sorted = Object.keys(o).sort(function (a, b) {
-      if (o[b] - o[a] <= 0) { return -1; }
-      return 1;
-    });
-    var x = {};
-    //console.log(sorted);
-    var total = 0;
-    sorted.forEach(function (k) { total += o[k]; });
-    sorted.forEach(function (k) {
-        console.log("[%s] %ss running time (%s%)", k, o[k], Math.floor((o[k] / total) * 100));
-    });
-  }
-)
-```
-
-

www/admin/app-admin.less

@@ -167,6 +167,13 @@
         }
     }
 
+    table#cp-performance-table {
+        td, th {
+            padding: 5px;
+            border: 1px solid #222;
+        }
+    }
+
     input.cp-admin-inval {
         border-color: red !important;
     }

www/admin/inner.js

@@ -62,6 +62,9 @@ define([
         'support': [
             'cp-admin-support-list',
             'cp-admin-support-init'
+        ],
+        'performance': [
+            'cp-admin-performance-profiling',
         ]
     };
 
@@ -852,6 +855,63 @@ define([
         return;
     };
 
+    Messages.admin_cat_performance = "PERFORMANCE"; // XXX
+    Messages.admin_performanceProfilingHint = "Measure the running time of various server tasks by type"; // XXX
+    Messages.admin_performanceProfilingTitle = "Performance"; // XXX
+
+    Messages.admin_performanceKeyHeading = 'KEY'; // XXX
+    Messages.admin_performanceTimeHeading = 'Time (seconds)'; // XXX
+    Messages.admin_performancePercentHeading = '%'; // XXX
+
+    create['performance-profiling'] = function () {
+        var $div = makeBlock('performance-profiling');
+
+        var body = h('tbody');
+
+        var table = h('table#cp-performance-table', [
+            h('thead', [
+                h('th', Messages.admin_performanceKeyHeading), // XXX
+                h('th', Messages.admin_performanceTimeHeading), // XXX
+                h('th', Messages.admin_performancePercentHeading), // XXX
+            ]),
+            body,
+        ]);
+
+        $div.append(table);
+
+        var appendRow = function (key, time, percent) {
+            console.log("[%s] %ss running time (%s%)", key, time, percent);
+            body.appendChild(h('tr', [ key, time, percent ].map(function (x) {
+                return h('td', x);
+            })));
+        };
+
+        var process = function (_o) {
+            var o = _o[0];
+            var sorted = Object.keys(o).sort(function (a, b) {
+              if (o[b] - o[a] <= 0) { return -1; }
+              return 1;
+            });
+            var x = {};
+            var total = 0;
+            sorted.forEach(function (k) { total += o[k]; });
+            sorted.forEach(function (k) {
+                var percent = Math.floor((o[k] / total) * 1000) / 10;
+                appendRow(k, o[k], percent)
+            });
+        };
+
+        sFrameChan.query('Q_ADMIN_RPC', {
+            cmd: 'GET_WORKER_PROFILES',
+        }, function (e, data) {
+            if (e) { return void console.error(e); }
+            //console.info(data);
+            process(data);
+        });
+
+        return $div;
+    };
+
     var hideCategories = function () {
         APP.$rightside.find('> div').hide();
     };