feat(bench press): use chrome tracing protocol and initial iOS support

modules/angular2/src/facade/collection.dart

@@ -138,6 +138,9 @@ class ListWrapper {
   static List slice(List l, int from, int to) {
     return l.sublist(from, to);
   }
+  static void sort(List l, compareFn(a,b)) {
+    l.sort(compareFn);
+  }
 }
 
 bool isListLikeIterable(obj) => obj is Iterable;

modules/angular2/src/facade/collection.es6

@@ -185,6 +185,10 @@ export class ListWrapper {
   static slice(l:List, from:int, to:int):List {
     return l.slice(from, to);
   }
+  static sort(l:List, compareFn:Function) {
+    l.sort(compareFn);
+    return l;
+  }
 }
 
 export function isListLikeIterable(obj):boolean {

modules/benchpress/benchpress.js

@@ -10,6 +10,7 @@ export { ConsoleReporter } from './src/reporter/console_reporter';
 export { SampleDescription } from './src/sample_description';
 export { PerflogMetric } from './src/metric/perflog_metric';
 export { ChromeDriverExtension } from './src/webdriver/chrome_driver_extension';
+export { IOsDriverExtension } from './src/webdriver/ios_driver_extension';
 export { Runner } from './src/runner';
 export { Options } from './src/sample_options';
 export { MeasureValues } from './src/measure_values';

modules/benchpress/src/metric/perflog_metric.js

@@ -1,6 +1,6 @@
 import { PromiseWrapper, Promise } from 'angular2/src/facade/async';
 import { isPresent, isBlank, int, BaseException, StringWrapper } from 'angular2/src/facade/lang';
-import { ListWrapper, StringMap } from 'angular2/src/facade/collection';
+import { ListWrapper, StringMap, StringMapWrapper } from 'angular2/src/facade/collection';
 import { bind, OpaqueToken } from 'angular2/di';
 
 import { WebDriverExtension } from '../web_driver_extension';
@@ -33,9 +33,9 @@ export class PerflogMetric extends Metric {
       'script': 'script execution time in ms',
       'render': 'render time in ms',
       'gcTime': 'gc time in ms',
-      'gcAmount': 'gc amount in bytes',
+      'gcAmount': 'gc amount in kbytes',
       'gcTimeInScript': 'gc time during script execution in ms',
-      'gcAmountInScript': 'gc amount during script execution in bytes'
+      'gcAmountInScript': 'gc amount during script execution in kbytes'
     };
   }
 
@@ -50,12 +50,12 @@ export class PerflogMetric extends Metric {
       .then( (_) => this._readUntilEndMark(markName) );
   }
 
-  _readUntilEndMark(markName:string, loopCount:int = 0) {
+  _readUntilEndMark(markName:string, loopCount:int = 0, startEvent = null) {
+    if (loopCount > _MAX_RETRY_COUNT) {
+      throw new BaseException(`Tried too often to get the ending mark: ${loopCount}`);
+    }
     return this._driverExtension.readPerfLog().then( (events) => {
-      this._remainingEvents = ListWrapper.concat(this._remainingEvents, events);
+      this._addEvents(events);
-      if (loopCount > _MAX_RETRY_COUNT) {
-        throw new BaseException(`Tried too often to get the ending mark: ${loopCount}`);
-      }
       var result = this._aggregateEvents(
         this._remainingEvents, markName
       );
@@ -72,6 +72,34 @@ export class PerflogMetric extends Metric {
     });
   }
 
+  _addEvents(events) {
+    var needSort = false;
+    ListWrapper.forEach(events, (event) => {
+      if (StringWrapper.equals(event['ph'], 'X')) {
+        needSort = true;
+        var startEvent = {};
+        var endEvent = {};
+        StringMapWrapper.forEach(event, (value, prop) => {
+          startEvent[prop] = value;
+          endEvent[prop] = value;
+        });
+        startEvent['ph'] = 'B';
+        endEvent['ph'] = 'E';
+        endEvent['ts'] = startEvent['ts'] + startEvent['dur'];
+        ListWrapper.push(this._remainingEvents, startEvent);
+        ListWrapper.push(this._remainingEvents, endEvent);
+      } else {
+        ListWrapper.push(this._remainingEvents, event);
+      }
+    });
+    if (needSort) {
+      // Need to sort because of the ph==='X' events
+      ListWrapper.sort(this._remainingEvents, (a,b) => {
+        return a['ts'] - b['ts'];
+      });
+    }
+  }
+
   _aggregateEvents(events, markName) {
     var result = {
       'script': 0,
@@ -82,49 +110,40 @@ export class PerflogMetric extends Metric {
       'gcAmountInScript': 0
     };
 
-    var startMarkFound = false;
+    var markStartEvent = null;
-    var endMarkFound = false;
+    var markEndEvent = null;
-    if (isBlank(markName)) {
-      startMarkFound = true;
-      endMarkFound = true;
-    }
 
     var intervalStarts = {};
     events.forEach( (event) => {
       var ph = event['ph'];
       var name = event['name'];
-      var ts = event['ts'];
-      var args = event['args'];
       if (StringWrapper.equals(ph, 'b') && StringWrapper.equals(name, markName)) {
-        startMarkFound = true;
+        markStartEvent = event;
       } else if (StringWrapper.equals(ph, 'e') && StringWrapper.equals(name, markName)) {
-        endMarkFound = true;
+        markEndEvent = event;
       }
-      if (startMarkFound && !endMarkFound) {
+      if (isPresent(markStartEvent) && isBlank(markEndEvent) && event['pid'] === markStartEvent['pid']) {
         if (StringWrapper.equals(ph, 'B')) {
-          intervalStarts[name] = ts;
+          intervalStarts[name] = event;
         } else if (StringWrapper.equals(ph, 'E') && isPresent(intervalStarts[name])) {
-          var diff = ts - intervalStarts[name];
+          var startEvent = intervalStarts[name];
+          var duration = event['ts'] - startEvent['ts'];
           intervalStarts[name] = null;
           if (StringWrapper.equals(name, 'gc')) {
-            result['gcTime'] += diff;
+            result['gcTime'] += duration;
-            var gcAmount = 0;
+            result['gcAmount'] += (startEvent['args']['usedHeapSize'] - event['args']['usedHeapSize']) / 1000;
-            if (isPresent(args)) {
-              gcAmount = args['amount'];
-            }
-            result['gcAmount'] += gcAmount;
             if (isPresent(intervalStarts['script'])) {
-              result['gcTimeInScript'] += diff;
+              result['gcTimeInScript'] += duration;
-              result['gcAmountInScript'] += gcAmount;
+              result['gcAmountInScript'] += result['gcAmount'];
             }
           } else {
-            result[name] += diff;
+            result[name] += duration;
           }
         }
       }
     });
     result['script'] -= result['gcTimeInScript'];
-    return startMarkFound && endMarkFound ? result : null;
+    return isPresent(markStartEvent) && isPresent(markEndEvent) ? result : null;
   }
 
   _markName(index) {

modules/benchpress/src/web_driver_extension.js

@@ -13,10 +13,6 @@ export class WebDriverExtension {
     throw new BaseException('NYI');
   }
 
-  timeStamp(name:string, names:List<String>):Promise {
-    throw new BaseException('NYI');
-  }
-
   timeBegin(name):Promise {
     throw new BaseException('NYI');
   }
@@ -27,10 +23,12 @@ export class WebDriverExtension {
 
   /**
    * Format:
-   * - name: event name, e.g. 'script', 'gc', ...
+   * - cat: category of the event
-   * - ph: phase: 'B' (begin), 'E' (end), 'b' (nestable start), 'e' (nestable end)
+   * - name: event name: 'script', 'gc', 'render', ...
-   * - ts: timestamp, e.g. 12345
+   * - ph: phase: 'B' (begin), 'E' (end), 'b' (nestable start), 'e' (nestable end), 'X' (Complete event)
-   * - args: arguments, e.g. {someArg: 1}
+   * - ts: timestamp in ms, e.g. 12345
+   * - pid: process id
+   * - args: arguments, e.g. {heapSize: 1234}
    *
    * Based on [Chrome Trace Event Format](https://docs.google.com/document/d/1CvAClvFfyA5R-PhYUmn5OOQtYMH4h6I0nSsKchNAySU/edit)
    **/

modules/benchpress/src/webdriver/chrome_driver_extension.js

@@ -1,7 +1,7 @@
 import { bind } from 'angular2/di';
-import { ListWrapper } from 'angular2/src/facade/collection';
+import { ListWrapper, StringMapWrapper } from 'angular2/src/facade/collection';
 import {
-  Json, isPresent, isBlank, RegExpWrapper, StringWrapper
+  Json, isPresent, isBlank, RegExpWrapper, StringWrapper, BaseException, NumberWrapper
 } from 'angular2/src/facade/lang';
 
 import { WebDriverExtension } from '../web_driver_extension';
@@ -9,9 +9,6 @@ import { WebDriverAdapter } from '../web_driver_adapter';
 import { Promise } from 'angular2/src/facade/async';
 
 
-var BEGIN_MARK_RE = RegExpWrapper.create('begin_(.*)');
-var END_MARK_RE = RegExpWrapper.create('end_(.*)');
-
 export class ChromeDriverExtension extends WebDriverExtension {
   // TODO(tbosch): use static values when our transpiler supports them
   static get BINDINGS() { return _BINDINGS; }
@@ -28,15 +25,13 @@ export class ChromeDriverExtension extends WebDriverExtension {
   }
 
   timeBegin(name:string):Promise {
-    // Note: Can't use console.time / console.timeEnd as it does not show up in the perf log!
+    return this._driver.executeScript(`console.time('${name}');`);
-    return this._driver.executeScript(`console.timeStamp('begin_${name}');`);
   }
 
   timeEnd(name:string, restartName:string = null):Promise {
-    // Note: Can't use console.time / console.timeEnd as it does not show up in the perf log!
+    var script = `console.timeEnd('${name}');`;
-    var script = `console.timeStamp('end_${name}');`;
     if (isPresent(restartName)) {
-      script += `console.timeStamp('begin_${restartName}');`
+      script += `console.time('${restartName}');`
     }
     return this._driver.executeScript(script);
   }
@@ -47,102 +42,83 @@ export class ChromeDriverExtension extends WebDriverExtension {
     return this._driver.executeScript('1+1')
       .then( (_) => this._driver.logs('performance') )
       .then( (entries) => {
-        var records = [];
+        var events = [];
         ListWrapper.forEach(entries, function(entry) {
           var message = Json.parse(entry['message'])['message'];
-          if (StringWrapper.equals(message['method'], 'Timeline.eventRecorded')) {
+          if (StringWrapper.equals(message['method'], 'Tracing.dataCollected')) {
-            ListWrapper.push(records, message['params']['record']);
+            ListWrapper.push(events, message['params']);
+          }
+          if (StringWrapper.equals(message['method'], 'Tracing.bufferUsage')) {
+            throw new BaseException('The DevTools trace buffer filled during the test!');
           }
         });
-        return this._convertPerfRecordsToEvents(records);
+        return this._convertPerfRecordsToEvents(events);
       });
   }
 
-  _convertPerfRecordsToEvents(records, events = null) {
+  _convertPerfRecordsToEvents(chromeEvents, normalizedEvents = null) {
-    if (isBlank(events)) {
+    if (isBlank(normalizedEvents)) {
-      events = [];
+      normalizedEvents = [];
     }
-    records.forEach( (record) => {
+    chromeEvents.forEach( (event) => {
-      var endEvent = null;
+      var cat = event['cat'];
-      var type = record['type'];
+      var name = event['name'];
-      var data = record['data'];
+      var args = event['args'];
-      var startTime = record['startTime'];
+      if (StringWrapper.equals(cat, 'disabled-by-default-devtools.timeline')) {
-      var endTime = record['endTime'];
+        if (StringWrapper.equals(name, 'FunctionCall') &&
-
+          (isBlank(args) || isBlank(args['data']) || !StringWrapper.equals(args['data']['scriptName'], 'InjectedScript'))) {
-      if (StringWrapper.equals(type, 'FunctionCall') &&
+          ListWrapper.push(normalizedEvents, normalizeEvent(event, {
-        (isBlank(data) || !StringWrapper.equals(data['scriptName'], 'InjectedScript'))) {
+            'name': 'script'
-        ListWrapper.push(events, {
+          }));
-          'name': 'script',
+        } else if (StringWrapper.equals(name, 'RecalculateStyles') ||
-          'ts': startTime,
+          StringWrapper.equals(name, 'Layout') ||
-          'ph': 'B'
+          StringWrapper.equals(name, 'UpdateLayerTree') ||
-        });
+          StringWrapper.equals(name, 'Paint') ||
-        endEvent = {
+          StringWrapper.equals(name, 'Rasterize') ||
-          'name': 'script',
+          StringWrapper.equals(name, 'CompositeLayers')) {
-          'ts': endTime,
+          ListWrapper.push(normalizedEvents, normalizeEvent(event, {
-          'ph': 'E',
+            'name': 'render'
-          'args': null
+          }));
+        } else if (StringWrapper.equals(name, 'GCEvent')) {
+          ListWrapper.push(normalizedEvents, normalizeEvent(event, {
+            'name': 'gc',
+            'args': {
+              'usedHeapSize': isPresent(args['usedHeapSizeAfter']) ? args['usedHeapSizeAfter'] : args['usedHeapSizeBefore']
+            }
+          }));
         }
-      } else if (StringWrapper.equals(type, 'TimeStamp')) {
+      } else if (StringWrapper.equals(cat, 'blink.console')) {
-        var name = data['message'];
+        ListWrapper.push(normalizedEvents, normalizeEvent(event, {
-        var ph;
+          'name': name
-        var match = RegExpWrapper.firstMatch(BEGIN_MARK_RE, name);
+        }));
-        if (isPresent(match)) {
-          ph = 'b';
-        } else {
-          match = RegExpWrapper.firstMatch(END_MARK_RE, name);
-          if (isPresent(match)) {
-            ph = 'e';
-          }
-        }
-        if (isPresent(ph)) {
-          ListWrapper.push(events, {
-            'name': match[1],
-            'ph': ph
-          });
-        }
-      } else if (StringWrapper.equals(type, 'RecalculateStyles') ||
-        StringWrapper.equals(type, 'Layout') ||
-        StringWrapper.equals(type, 'UpdateLayerTree') ||
-        StringWrapper.equals(type, 'Paint') ||
-        StringWrapper.equals(type, 'Rasterize') ||
-        StringWrapper.equals(type, 'CompositeLayers')) {
-        ListWrapper.push(events, {
-          'name': 'render',
-          'ts': startTime,
-          'ph': 'B'
-        });
-        endEvent = {
-          'name': 'render',
-          'ts': endTime,
-          'ph': 'E',
-          'args': null
-        }
-      } else if (StringWrapper.equals(type, 'GCEvent')) {
-        ListWrapper.push(events, {
-          'name': 'gc',
-          'ts': startTime,
-          'ph': 'B'
-        });
-        endEvent = {
-          'name': 'gc',
-          'ts': endTime,
-          'ph': 'E',
-          'args': {
-            'amount': data['usedHeapSizeDelta']
-          }
-        };
-      }
-      if (isPresent(record['children'])) {
-        this._convertPerfRecordsToEvents(record['children'], events);
-      }
-      if (isPresent(endEvent)) {
-        ListWrapper.push(events, endEvent);
       }
     });
-    return events;
+    return normalizedEvents;
   }
 }
 
+function normalizeEvent(chromeEvent, data) {
+  var ph = chromeEvent['ph'];
+  if (StringWrapper.equals(ph, 'S')) {
+    ph = 'b';
+  } else if (StringWrapper.equals(ph, 'F')) {
+    ph = 'e';
+  }
+  var result = {
+    'pid': chromeEvent['pid'],
+    'ph': ph,
+    'cat': 'timeline',
+    'ts': chromeEvent['ts'] / 1000
+  };
+  if (chromeEvent['ph'] === 'X') {
+    result['dur'] = chromeEvent['dur'] / 1000;
+  }
+  StringMapWrapper.forEach(data, (value, prop) => {
+    result[prop] = value;
+  });
+  return result;
+}
+
 var _BINDINGS = [
   bind(WebDriverExtension).toFactory(
     (driver) => new ChromeDriverExtension(driver),

modules/benchpress/src/webdriver/ios_driver_extension.js

@@ -0,0 +1,139 @@
+import { bind } from 'angular2/di';
+import { ListWrapper } from 'angular2/src/facade/collection';
+import {
+  Json, isPresent, isBlank, RegExpWrapper, StringWrapper
+} from 'angular2/src/facade/lang';
+
+import { WebDriverExtension } from '../web_driver_extension';
+import { WebDriverAdapter } from '../web_driver_adapter';
+import { Promise } from 'angular2/src/facade/async';
+
+
+export class IOsDriverExtension extends WebDriverExtension {
+  // TODO(tbosch): use static values when our transpiler supports them
+  static get BINDINGS() { return _BINDINGS; }
+
+  _driver:WebDriverAdapter;
+
+  constructor(driver:WebDriverAdapter) {
+    super();
+    this._driver = driver;
+  }
+
+  gc() {
+    return this._driver.executeScript('window.gc()');
+  }
+
+  timeBegin(name:string):Promise {
+    return this._driver.executeScript(`console.time('${name}');`);
+  }
+
+  timeEnd(name:string, restartName:string = null):Promise {
+    var script = `console.timeEnd('${name}');`;
+    if (isPresent(restartName)) {
+      script += `console.time('${restartName}');`
+    }
+    return this._driver.executeScript(script);
+  }
+
+  readPerfLog() {
+    // TODO(tbosch): Bug in IOsDriver: Need to execute at least one command
+    // so that the browser logs can be read out!
+    return this._driver.executeScript('1+1')
+      .then( (_) => this._driver.logs('performance') )
+      .then( (entries) => {
+        var records = [];
+        ListWrapper.forEach(entries, function(entry) {
+          var message = Json.parse(entry['message'])['message'];
+          if (StringWrapper.equals(message['method'], 'Timeline.eventRecorded')) {
+            ListWrapper.push(records, message['params']['record']);
+          }
+        });
+        return this._convertPerfRecordsToEvents(records);
+      });
+  }
+
+  _convertPerfRecordsToEvents(records, events = null) {
+    if (isBlank(events)) {
+      events = [];
+    }
+    records.forEach( (record) => {
+      var endEvent = null;
+      var type = record['type'];
+      var data = record['data'];
+      var startTime = record['startTime'];
+      var endTime = record['endTime'];
+
+      if (StringWrapper.equals(type, 'FunctionCall') &&
+          (isBlank(data) || !StringWrapper.equals(data['scriptName'], 'InjectedScript'))) {
+        ListWrapper.push(events, createStartEvent('script', startTime));
+        endEvent = createEndEvent('script', endTime);
+      } else if (StringWrapper.equals(type, 'Time')) {
+        ListWrapper.push(events, createMarkStartEvent(data['message'], startTime));
+      } else if (StringWrapper.equals(type, 'TimeEnd')) {
+        ListWrapper.push(events, createMarkEndEvent(data['message'], startTime));
+      } else if (StringWrapper.equals(type, 'RecalculateStyles') ||
+        StringWrapper.equals(type, 'Layout') ||
+        StringWrapper.equals(type, 'UpdateLayerTree') ||
+        StringWrapper.equals(type, 'Paint') ||
+        StringWrapper.equals(type, 'Rasterize') ||
+        StringWrapper.equals(type, 'CompositeLayers')) {
+        ListWrapper.push(events, createStartEvent('render', startTime));
+        endEvent = createEndEvent('render', endTime);
+      } else if (StringWrapper.equals(type, 'GCEvent')) {
+        ListWrapper.push(events, createStartEvent('gc', startTime, {
+          'usedHeapSize': 0
+        }));
+        endEvent = createEndEvent('gc', endTime, {
+          'usedHeapSize': -data['usedHeapSizeDelta']
+        });
+      }
+      if (isPresent(record['children'])) {
+        this._convertPerfRecordsToEvents(record['children'], events);
+      }
+      if (isPresent(endEvent)) {
+        ListWrapper.push(events, endEvent);
+      }
+    });
+    return events;
+  }
+}
+
+function createEvent(ph, name, time, args = null) {
+  var result = {
+    'cat': 'timeline',
+    'name': name,
+    'ts': time,
+    'ph': ph,
+    // The ios protocol does not support the notions of multiple processes in
+    // the perflog...
+    'pid': 'pid0'
+  };
+  if (isPresent(args)) {
+    result['args'] = args;
+  }
+  return result;
+}
+
+function createStartEvent(name, time, args = null) {
+  return createEvent('B', name, time, args);
+}
+
+function createEndEvent(name, time, args = null) {
+  return createEvent('E', name, time, args);
+}
+
+function createMarkStartEvent(name, time) {
+  return createEvent('b', name, time);
+}
+
+function createMarkEndEvent(name, time) {
+  return createEvent('e', name, time);
+}
+
+var _BINDINGS = [
+  bind(WebDriverExtension).toFactory(
+    (driver) => new IOsDriverExtension(driver),
+    [WebDriverAdapter]
+  )
+];

modules/benchpress/test/metric/perflog_metric_spec.js

@@ -5,8 +5,11 @@ import { PromiseWrapper, Promise } from 'angular2/src/facade/async';
 
 import { Metric, PerflogMetric, WebDriverExtension, bind, Injector } from 'benchpress/benchpress';
 
+import { TraceEventFactory } from '../trace_event_factory';
+
 export function main() {
   var commandLog;
+  var eventFactory = new TraceEventFactory('timeline', 'pid0');
 
   function createMetric(perfLogs) {
     commandLog = [];
@@ -44,10 +47,10 @@ export function main() {
       it('should mark and aggregate events in between the marks', (done) => {
         var events = [
           [
-            markStartEvent('benchpress0'),
+            eventFactory.markStart('benchpress0', 0),
-            startEvent('script', 4),
+            eventFactory.start('script', 4),
-            endEvent('script', 6),
+            eventFactory.end('script', 6),
-            markEndEvent('benchpress0')
+            eventFactory.markEnd('benchpress0', 10)
           ]
         ];
         var metric = createMetric(events);
@@ -68,11 +71,11 @@ export function main() {
       it('should restart timing', (done) => {
         var events = [
           [
-            markStartEvent('benchpress0'),
+            eventFactory.markStart('benchpress0', 0),
-            markEndEvent('benchpress0'),
+            eventFactory.markEnd('benchpress0', 1),
-            markStartEvent('benchpress1'),
+            eventFactory.markStart('benchpress1', 2),
           ], [
-            markEndEvent('benchpress1')
+            eventFactory.markEnd('benchpress1', 3)
           ]
         ];
         var metric = createMetric(events);
@@ -94,9 +97,9 @@ export function main() {
 
       it('should loop and aggregate until the end mark is present', (done) => {
         var events = [
-          [ markStartEvent('benchpress0'), startEvent('script', 1) ],
+          [ eventFactory.markStart('benchpress0', 0), eventFactory.start('script', 1) ],
-          [ endEvent('script', 2) ],
+          [ eventFactory.end('script', 2) ],
-          [ startEvent('script', 3), endEvent('script', 5), markEndEvent('benchpress0') ]
+          [ eventFactory.start('script', 3), eventFactory.end('script', 5), eventFactory.markEnd('benchpress0', 10) ]
         ];
         var metric = createMetric(events);
         metric.beginMeasure()
@@ -119,9 +122,9 @@ export function main() {
 
       it('should store events after the end mark for the next call', (done) => {
         var events = [
-          [ markStartEvent('benchpress0'), markEndEvent('benchpress0'), markStartEvent('benchpress1'),
+          [ eventFactory.markStart('benchpress0', 0), eventFactory.markEnd('benchpress0', 1), eventFactory.markStart('benchpress1', 1),
-            startEvent('script', 1), endEvent('script', 2) ],
+            eventFactory.start('script', 1), eventFactory.end('script', 2) ],
-          [ startEvent('script', 3), endEvent('script', 5), markEndEvent('benchpress1') ]
+          [ eventFactory.start('script', 3), eventFactory.end('script', 5), eventFactory.markEnd('benchpress1', 6) ]
         ];
         var metric = createMetric(events);
         metric.beginMeasure()
@@ -149,8 +152,8 @@ export function main() {
     describe('aggregation', () => {
 
       function aggregate(events) {
-        ListWrapper.insert(events, 0, markStartEvent('benchpress0'));
+        ListWrapper.insert(events, 0, eventFactory.markStart('benchpress0', 0));
-        ListWrapper.push(events, markEndEvent('benchpress0'));
+        ListWrapper.push(events, eventFactory.markEnd('benchpress0', 10));
         var metric = createMetric([events]);
         return metric
           .beginMeasure().then( (_) => metric.endMeasure(false) );
@@ -159,8 +162,8 @@ export function main() {
 
       it('should report a single interval', (done) => {
         aggregate([
-          startEvent('script', 0),
+          eventFactory.start('script', 0),
-          endEvent('script', 5)
+          eventFactory.end('script', 5)
         ]).then((data) => {
           expect(data['script']).toBe(5);
           done();
@@ -169,10 +172,10 @@ export function main() {
 
       it('should sum up multiple intervals', (done) => {
         aggregate([
-          startEvent('script', 0),
+          eventFactory.start('script', 0),
-          endEvent('script', 5),
+          eventFactory.end('script', 5),
-          startEvent('script', 10),
+          eventFactory.start('script', 10),
-          endEvent('script', 17)
+          eventFactory.end('script', 17)
         ]).then((data) => {
           expect(data['script']).toBe(12);
           done();
@@ -181,7 +184,7 @@ export function main() {
 
       it('should ignore not started intervals', (done) => {
         aggregate([
-          endEvent('script', 10)
+          eventFactory.end('script', 10)
         ]).then((data) => {
           expect(data['script']).toBe(0);
           done();
@@ -190,18 +193,36 @@ export function main() {
 
       it('should ignore not ended intervals', (done) => {
         aggregate([
-          startEvent('script', 10)
+          eventFactory.start('script', 10)
         ]).then((data) => {
           expect(data['script']).toBe(0);
           done();
         });
       });
 
+      it('should ignore events from different processed as the start mark', (done) => {
+        var otherProcessEventFactory = new TraceEventFactory('timeline', 'pid1');
+        var metric = createMetric([[
+          eventFactory.markStart('benchpress0', 0),
+          eventFactory.start('script', 0, null),
+          eventFactory.end('script', 5, null),
+          otherProcessEventFactory.start('script', 10, null),
+          otherProcessEventFactory.end('script', 17, null),
+          eventFactory.markEnd('benchpress0', 20)
+        ]]);
+        metric.beginMeasure()
+          .then( (_) => metric.endMeasure(false) )
+          .then((data) => {
+            expect(data['script']).toBe(5);
+            done();
+          });
+      });
+
       ['script', 'gcTime', 'render'].forEach( (metricName) => {
         it(`should support ${metricName} metric`, (done) => {
           aggregate([
-            startEvent(metricName, 0),
+            eventFactory.start(metricName, 0),
-            endEvent(metricName, 5)
+            eventFactory.end(metricName, 5)
           ]).then((data) => {
             expect(data[metricName]).toBe(5);
             done();
@@ -211,20 +232,20 @@ export function main() {
 
       it('should support gcAmount metric', (done) => {
         aggregate([
-          startEvent('gc', 0),
+          eventFactory.start('gc', 0, {'usedHeapSize': 2500}),
-          endEvent('gc', 5, {'amount': 10})
+          eventFactory.end('gc', 5, {'usedHeapSize': 1000})
         ]).then((data) => {
-          expect(data['gcAmount']).toBe(10);
+          expect(data['gcAmount']).toBe(1.5);
           done();
         });
       });
 
       it('should subtract gcTime in script from script time', (done) => {
         aggregate([
-          startEvent('script', 0),
+          eventFactory.start('script', 0),
-          startEvent('gc', 1),
+          eventFactory.start('gc', 1, {'usedHeapSize': 1000}),
-          endEvent('gc', 4, {'amount': 10}),
+          eventFactory.end('gc', 4, {'usedHeapSize': 0}),
-          endEvent('script', 5)
+          eventFactory.end('script', 5)
         ]).then((data) => {
           expect(data['script']).toBe(2);
           done();
@@ -233,28 +254,40 @@ export function main() {
 
       describe('gcTimeInScript / gcAmountInScript', () => {
 
-        it('should use gc during script execution', (done) => {
+        it('should detect gc during script execution with begin/end events', (done) => {
           aggregate([
-            startEvent('script', 0),
+            eventFactory.start('script', 0),
-            startEvent('gc', 1),
+            eventFactory.start('gc', 1, {'usedHeapSize': 10000}),
-            endEvent('gc', 4, {'amount': 10}),
+            eventFactory.end('gc', 4, {'usedHeapSize': 0}),
-            endEvent('script', 5)
+            eventFactory.end('script', 5)
           ]).then((data) => {
             expect(data['gcTimeInScript']).toBe(3);
-            expect(data['gcAmountInScript']).toBe(10);
+            expect(data['gcAmountInScript']).toBe(10.0);
+            done();
+          });
+        });
+
+        it('should detect gc during script execution with complete events', (done) => {
+          aggregate([
+            eventFactory.complete('script', 0, 5),
+            eventFactory.start('gc', 1, {'usedHeapSize': 10000}),
+            eventFactory.end('gc', 4, {'usedHeapSize': 0})
+          ]).then((data) => {
+            expect(data['gcTimeInScript']).toBe(3);
+            expect(data['gcAmountInScript']).toBe(10.0);
             done();
           });
         });
 
         it('should ignore gc outside of script execution', (done) => {
           aggregate([
-            startEvent('gc', 1),
+            eventFactory.start('gc', 1, {'usedHeapSize': 10}),
-            endEvent('gc', 4, {'amount': 10}),
+            eventFactory.end('gc', 4, {'usedHeapSize': 0}),
-            startEvent('script', 0),
+            eventFactory.start('script', 0),
-            endEvent('script', 5)
+            eventFactory.end('script', 5)
           ]).then((data) => {
-            expect(data['gcTimeInScript']).toBe(0);
+            expect(data['gcTimeInScript']).toEqual(0.0);
-            expect(data['gcAmountInScript']).toBe(0);
+            expect(data['gcAmountInScript']).toEqual(0.0);
             done();
           });
         });
@@ -266,37 +299,6 @@ export function main() {
   });
 }
 
-function markStartEvent(type) {
-  return {
-    'name': type,
-    'ph': 'b'
-  }
-}
-
-function markEndEvent(type) {
-  return {
-    'name': type,
-    'ph': 'e'
-  }
-}
-
-function startEvent(type, time) {
-  return {
-    'name': type,
-    'ts': time,
-    'ph': 'B'
-  }
-}
-
-function endEvent(type, time, args = null) {
-  return {
-    'name': type,
-    'ts': time,
-    'ph': 'E',
-    'args': args
-  }
-}
-
 class MockDriverExtension extends WebDriverExtension {
   _perfLogs:List;
   _commandLog:List;

modules/benchpress/test/sampler_spec.js

@@ -148,7 +148,6 @@ export function main() {
     });
 
     it('should not gc if the flag is not set', (done) => {
-      var workCount = 0;
       var log = [];
       createSampler({
         metric: createCountingMetric(),

modules/benchpress/test/trace_event_factory.js

@@ -0,0 +1,47 @@
+import { isPresent } from 'angular2/src/facade/lang';
+
+export class TraceEventFactory {
+  _cat:string;
+  _pid;
+
+  constructor(cat, pid) {
+    this._cat = cat;
+    this._pid = pid;
+  }
+
+  create(ph, name, time, args = null) {
+    var res = {
+      'name': name,
+      'cat': this._cat,
+      'ph': ph,
+      'ts': time,
+      'pid': this._pid
+    };
+    if (isPresent(args)) {
+      res['args'] = args;
+    }
+    return res;
+  }
+
+  markStart(name, time) {
+    return this.create('b', name, time);
+  }
+
+  markEnd(name, time) {
+    return this.create('e', name, time);
+  }
+
+  start(name, time, args = null) {
+    return this.create('B', name, time, args);
+  }
+
+  end(name, time, args = null) {
+    return this.create('E', name, time, args);
+  }
+
+  complete(name, time, duration, args = null) {
+    var res = this.create('X', name, time, args);
+    res['dur'] = duration;
+    return res;
+  }
+}

modules/benchpress/test/webdriver/chrome_driver_extension_spec.js

@@ -2,18 +2,24 @@ import {describe, it, iit, xit, expect, beforeEach, afterEach} from 'angular2/te
 
 import { ListWrapper } from 'angular2/src/facade/collection';
 import { PromiseWrapper } from 'angular2/src/facade/async';
-import { Json, perfRecords, isBlank } from 'angular2/src/facade/lang';
+import { Json, isBlank } from 'angular2/src/facade/lang';
 
 import {
   WebDriverExtension, ChromeDriverExtension,
   WebDriverAdapter, Injector, bind
 } from 'benchpress/benchpress';
 
+import { TraceEventFactory } from '../trace_event_factory';
+
 export function main() {
   describe('chrome driver extension', () => {
     var log;
     var extension;
 
+    var blinkEvents = new TraceEventFactory('blink.console', 'pid0');
+    var chromeTimelineEvents = new TraceEventFactory('disabled-by-default-devtools.timeline', 'pid0');
+    var normEvents = new TraceEventFactory('timeline', 'pid0');
+
     function createExtension(perfRecords = null) {
       if (isBlank(perfRecords)) {
         perfRecords = [];
@@ -33,23 +39,23 @@ export function main() {
       });
     });
 
-    it('should mark the timeline via console.timeStamp()', (done) => {
+    it('should mark the timeline via console.time()', (done) => {
       createExtension().timeBegin('someName').then( (_) => {
-        expect(log).toEqual([['executeScript', `console.timeStamp('begin_someName');`]]);
+        expect(log).toEqual([['executeScript', `console.time('someName');`]]);
         done();
       });
     });
 
     it('should mark the timeline via console.timeEnd()', (done) => {
       createExtension().timeEnd('someName').then( (_) => {
-        expect(log).toEqual([['executeScript', `console.timeStamp('end_someName');`]]);
+        expect(log).toEqual([['executeScript', `console.timeEnd('someName');`]]);
         done();
       });
     });
 
     it('should mark the timeline via console.time() and console.timeEnd()', (done) => {
       createExtension().timeEnd('name1', 'name2').then( (_) => {
-        expect(log).toEqual([['executeScript', `console.timeStamp('end_name1');console.timeStamp('begin_name2');`]]);
+        expect(log).toEqual([['executeScript', `console.timeEnd('name1');console.time('name2');`]]);
         done();
       });
     });
@@ -66,13 +72,23 @@ export function main() {
         });
       });
 
-      it('should report FunctionCall records as "script"', (done) => {
+      it('should normalize times to ms and forward ph and pid event properties', (done) => {
         createExtension([
-          durationRecord('FunctionCall', 1, 5)
+          chromeTimelineEvents.complete('FunctionCall', 1100, 5500, null)
         ]).readPerfLog().then( (events) => {
           expect(events).toEqual([
-            startEvent('script', 1),
+            normEvents.complete('script', 1.1, 5.5, null),
-            endEvent('script', 5)
+          ]);
+          done();
+        });
+      });
+
+      it('should report FunctionCall events as "script"', (done) => {
+        createExtension([
+          chromeTimelineEvents.start('FunctionCall', 0)
+        ]).readPerfLog().then( (events) => {
+          expect(events).toEqual([
+            normEvents.start('script', 0),
           ]);
           done();
         });
@@ -80,7 +96,7 @@ export function main() {
 
       it('should ignore FunctionCalls from webdriver', (done) => {
         createExtension([
-          internalScriptRecord(1, 5)
+          chromeTimelineEvents.start('FunctionCall', 0, {'data': {'scriptName': 'InjectedScript'}})
         ]).readPerfLog().then( (events) => {
           expect(events).toEqual([]);
           done();
@@ -89,10 +105,10 @@ export function main() {
 
       it('should report begin timestamps', (done) => {
         createExtension([
-          timeStampRecord('begin_someName')
+          blinkEvents.create('S', 'someName', 1000)
         ]).readPerfLog().then( (events) => {
           expect(events).toEqual([
-            markStartEvent('someName')
+            normEvents.markStart('someName', 1.0)
           ]);
           done();
         });
@@ -100,10 +116,10 @@ export function main() {
 
       it('should report end timestamps', (done) => {
         createExtension([
-          timeStampRecord('end_someName')
+          blinkEvents.create('F', 'someName', 1000)
         ]).readPerfLog().then( (events) => {
           expect(events).toEqual([
-            markEndEvent('someName')
+            normEvents.markEnd('someName', 1.0)
           ]);
           done();
         });
@@ -111,132 +127,44 @@ export function main() {
 
       it('should report gc', (done) => {
         createExtension([
-          gcRecord(1, 3, 21)
+          chromeTimelineEvents.start('GCEvent', 1000, {'usedHeapSizeBefore': 1000}),
+          chromeTimelineEvents.end('GCEvent', 2000, {'usedHeapSizeAfter': 0}),
         ]).readPerfLog().then( (events) => {
           expect(events).toEqual([
-            startEvent('gc', 1),
+            normEvents.start('gc', 1.0, {'usedHeapSize': 1000}),
-            endEvent('gc', 3, {'amount': 21}),
+            normEvents.end('gc', 2.0, {'usedHeapSize': 0}),
           ]);
           done();
         });
       });
 
       ['RecalculateStyles', 'Layout', 'UpdateLayerTree', 'Paint', 'Rasterize', 'CompositeLayers'].forEach( (recordType) => {
-        it(`should report ${recordType}`, (done) => {
+        it(`should report ${recordType} as "render"`, (done) => {
           createExtension([
-            durationRecord(recordType, 0, 1)
+            chromeTimelineEvents.start(recordType, 1234),
+            chromeTimelineEvents.end(recordType, 2345)
           ]).readPerfLog().then( (events) => {
             expect(events).toEqual([
-              startEvent('render', 0),
+              normEvents.start('render', 1.234),
-              endEvent('render', 1),
+              normEvents.end('render', 2.345),
             ]);
             done();
           });
         });
       });
 
-
-      it('should walk children', (done) => {
-        createExtension([
-          durationRecord('FunctionCall', 1, 5, [
-            timeStampRecord('begin_someName')
-          ])
-        ]).readPerfLog().then( (events) => {
-          expect(events).toEqual([
-            startEvent('script', 1),
-            markStartEvent('someName'),
-            endEvent('script', 5)
-          ]);
-          done();
-        });
-      });
-
     });
 
   });
 }
 
-function timeStampRecord(name) {
-  return {
-    'type': 'TimeStamp',
-    'data': {
-      'message': name
-    }
-  };
-}
-
-function durationRecord(type, startTime, endTime, children = null) {
-  if (isBlank(children)) {
-    children = [];
-  }
-  return {
-    'type': type,
-    'startTime': startTime,
-    'endTime': endTime,
-    'children': children
-  };
-}
-
-function internalScriptRecord(startTime, endTime) {
-  return {
-    'type': 'FunctionCall',
-    'startTime': startTime,
-    'endTime': endTime,
-    'data': {
-      'scriptName': 'InjectedScript'
-    }
-  };
-}
-
-function gcRecord(startTime, endTime, gcAmount) {
-  return {
-    'type': 'GCEvent',
-    'startTime': startTime,
-    'endTime': endTime,
-    'data': {
-      'usedHeapSizeDelta': gcAmount
-    }
-  };
-}
-
-function markStartEvent(type) {
-  return {
-    'name': type,
-    'ph': 'b'
-  }
-}
-
-function markEndEvent(type) {
-  return {
-    'name': type,
-    'ph': 'e'
-  }
-}
-
-function startEvent(type, time) {
-  return {
-    'name': type,
-    'ts': time,
-    'ph': 'B'
-  }
-}
-
-function endEvent(type, time, args = null) {
-  return {
-    'name': type,
-    'ts': time,
-    'ph': 'E',
-    'args': args
-  }
-}
-
 class MockDriverAdapter extends WebDriverAdapter {
   _log:List;
-  _perfRecords:List;
+  _events:List;
-  constructor(log, perfRecords) {
+  constructor(log, events) {
     super();
     this._log = log;
-    this._perfRecords = perfRecords;
+    this._events = events;
   }
 
   executeScript(script) {
@@ -247,14 +175,12 @@ class MockDriverAdapter extends WebDriverAdapter {
   logs(type) {
     ListWrapper.push(this._log, ['logs', type]);
     if (type === 'performance') {
-      return PromiseWrapper.resolve(this._perfRecords.map(function(record) {
+      return PromiseWrapper.resolve(this._events.map(function(event) {
         return {
           'message': Json.stringify({
             'message': {
-              'method': 'Timeline.eventRecorded',
+              'method': 'Tracing.dataCollected',
-              'params': {
+              'params': event
-                'record': record
-              }
             }
           })
         };

modules/benchpress/test/webdriver/ios_driver_extension_spec.js

@@ -0,0 +1,251 @@
+import {describe, ddescribe, it, iit, xit, expect, beforeEach, afterEach} from 'angular2/test_lib';
+
+import { ListWrapper } from 'angular2/src/facade/collection';
+import { PromiseWrapper } from 'angular2/src/facade/async';
+import { Json, isBlank, isPresent } from 'angular2/src/facade/lang';
+
+import {
+  WebDriverExtension, IOsDriverExtension,
+  WebDriverAdapter, Injector, bind
+} from 'benchpress/benchpress';
+
+import { TraceEventFactory } from '../trace_event_factory';
+
+export function main() {
+  describe('ios driver extension', () => {
+    var log;
+    var extension;
+
+    var normEvents = new TraceEventFactory('timeline', 'pid0');
+
+    function createExtension(perfRecords = null) {
+      if (isBlank(perfRecords)) {
+        perfRecords = [];
+      }
+      log = [];
+      extension = new Injector([
+        IOsDriverExtension.BINDINGS,
+        bind(WebDriverAdapter).toValue(new MockDriverAdapter(log, perfRecords))
+      ]).get(WebDriverExtension);
+      return extension;
+    }
+
+    it('should force gc via window.gc()', (done) => {
+      createExtension().gc().then( (_) => {
+        expect(log).toEqual([['executeScript', 'window.gc()']]);
+        done();
+      });
+    });
+
+    it('should mark the timeline via console.time()', (done) => {
+      createExtension().timeBegin('someName').then( (_) => {
+        expect(log).toEqual([['executeScript', `console.time('someName');`]]);
+        done();
+      });
+    });
+
+    it('should mark the timeline via console.timeEnd()', (done) => {
+      createExtension().timeEnd('someName').then( (_) => {
+        expect(log).toEqual([['executeScript', `console.timeEnd('someName');`]]);
+        done();
+      });
+    });
+
+    it('should mark the timeline via console.time() and console.timeEnd()', (done) => {
+      createExtension().timeEnd('name1', 'name2').then( (_) => {
+        expect(log).toEqual([['executeScript', `console.timeEnd('name1');console.time('name2');`]]);
+        done();
+      });
+    });
+
+    describe('readPerfLog', () => {
+
+      it('should execute a dummy script before reading them', (done) => {
+        // TODO(tbosch): This seems to be a bug in ChromeDriver:
+        // Sometimes it does not report the newest events of the performance log
+        // to the WebDriver client unless a script is executed...
+        createExtension([]).readPerfLog().then( (_) => {
+          expect(log).toEqual([ [ 'executeScript', '1+1' ], [ 'logs', 'performance' ] ]);
+          done();
+        });
+      });
+
+      it('should report FunctionCall records as "script"', (done) => {
+        createExtension([
+          durationRecord('FunctionCall', 1, 5)
+        ]).readPerfLog().then( (events) => {
+          expect(events).toEqual([
+            normEvents.start('script', 1),
+            normEvents.end('script', 5)
+          ]);
+          done();
+        });
+      });
+
+      it('should ignore FunctionCalls from webdriver', (done) => {
+        createExtension([
+          internalScriptRecord(1, 5)
+        ]).readPerfLog().then( (events) => {
+          expect(events).toEqual([]);
+          done();
+        });
+      });
+
+      it('should report begin time', (done) => {
+        createExtension([
+          timeBeginRecord('someName', 12)
+        ]).readPerfLog().then( (events) => {
+          expect(events).toEqual([
+            normEvents.markStart('someName', 12)
+          ]);
+          done();
+        });
+      });
+
+      it('should report end timestamps', (done) => {
+        createExtension([
+          timeEndRecord('someName', 12)
+        ]).readPerfLog().then( (events) => {
+          expect(events).toEqual([
+            normEvents.markEnd('someName', 12)
+          ]);
+          done();
+        });
+      });
+
+      it('should report gc', (done) => {
+        createExtension([
+          gcRecord(1, 3, 21)
+        ]).readPerfLog().then( (events) => {
+          expect(events).toEqual([
+            normEvents.start('gc', 1, {'usedHeapSize': 0}),
+            normEvents.end('gc', 3, {'usedHeapSize': -21}),
+          ]);
+          done();
+        });
+      });
+
+      ['RecalculateStyles', 'Layout', 'UpdateLayerTree', 'Paint', 'Rasterize', 'CompositeLayers'].forEach( (recordType) => {
+        it(`should report ${recordType}`, (done) => {
+          createExtension([
+            durationRecord(recordType, 0, 1)
+          ]).readPerfLog().then( (events) => {
+            expect(events).toEqual([
+              normEvents.start('render', 0),
+              normEvents.end('render', 1),
+            ]);
+            done();
+          });
+        });
+      });
+
+
+      it('should walk children', (done) => {
+        createExtension([
+          durationRecord('FunctionCall', 1, 5, [
+            timeBeginRecord('someName', 2)
+          ])
+        ]).readPerfLog().then( (events) => {
+          expect(events).toEqual([
+            normEvents.start('script', 1),
+            normEvents.markStart('someName', 2),
+            normEvents.end('script', 5)
+          ]);
+          done();
+        });
+      });
+
+    });
+
+  });
+}
+
+function timeBeginRecord(name, time) {
+  return {
+    'type': 'Time',
+    'startTime': time,
+    'data': {
+      'message': name
+    }
+  };
+}
+
+function timeEndRecord(name, time) {
+  return {
+    'type': 'TimeEnd',
+    'startTime': time,
+    'data': {
+      'message': name
+    }
+  };
+}
+
+function durationRecord(type, startTime, endTime, children = null) {
+  if (isBlank(children)) {
+    children = [];
+  }
+  return {
+    'type': type,
+    'startTime': startTime,
+    'endTime': endTime,
+    'children': children
+  };
+}
+
+function internalScriptRecord(startTime, endTime) {
+  return {
+    'type': 'FunctionCall',
+    'startTime': startTime,
+    'endTime': endTime,
+    'data': {
+      'scriptName': 'InjectedScript'
+    }
+  };
+}
+
+function gcRecord(startTime, endTime, gcAmount) {
+  return {
+    'type': 'GCEvent',
+    'startTime': startTime,
+    'endTime': endTime,
+    'data': {
+      'usedHeapSizeDelta': gcAmount
+    }
+  };
+}
+
+class MockDriverAdapter extends WebDriverAdapter {
+  _log:List;
+  _perfRecords:List;
+  constructor(log, perfRecords) {
+    super();
+    this._log = log;
+    this._perfRecords = perfRecords;
+  }
+
+  executeScript(script) {
+    ListWrapper.push(this._log, ['executeScript', script]);
+    return PromiseWrapper.resolve(null);
+  }
+
+  logs(type) {
+    ListWrapper.push(this._log, ['logs', type]);
+    if (type === 'performance') {
+      return PromiseWrapper.resolve(this._perfRecords.map(function(record) {
+        return {
+          'message': Json.stringify({
+            'message': {
+              'method': 'Timeline.eventRecorded',
+              'params': {
+                'record': record
+              }
+            }
+          })
+        };
+      }));
+    } else {
+      return null;
+    }
+  }
+
+}

protractor-shared.js

@@ -35,7 +35,10 @@ var BROWSER_CAPS = {
     browserName: 'chrome',
     chromeOptions: {
       'binary': process.env.DARTIUM,
-      'args': ['--js-flags=--expose-gc']
+      'args': ['--js-flags=--expose-gc'],
+      'perfLoggingPrefs': {
+        'traceCategories': 'blink.console,disabled-by-default-devtools.timeline'
+      }
     },
     loggingPrefs: {
       performance: 'ALL',
@@ -45,7 +48,10 @@ var BROWSER_CAPS = {
   ChromeDesktop: {
     browserName: 'chrome',
     chromeOptions: {
-      'args': ['--js-flags=--expose-gc']
+      'args': ['--js-flags=--expose-gc'],
+      'perfLoggingPrefs': {
+        'traceCategories': 'blink.console,disabled-by-default-devtools.timeline'
+      }
     },
     loggingPrefs: {
       performance: 'ALL',
@@ -56,12 +62,36 @@ var BROWSER_CAPS = {
     browserName: 'chrome',
     chromeOptions: {
       androidPackage: 'com.android.chrome',
-      'args': ['--js-flags=--expose-gc']
+      'args': ['--js-flags=--expose-gc'],
+      'perfLoggingPrefs': {
+        'traceCategories': 'blink.console,disabled-by-default-devtools.timeline'
+      }
     },
     loggingPrefs: {
       performance: 'ALL',
       browser: 'ALL'
     }
+  },
+  IPhoneSimulator: {
+    browserName: 'MobileSafari',
+    simulator: true,
+    CFBundleName: 'Safari',
+    device: 'iphone',
+    instruments: 'true',
+    loggingPrefs: {
+      performance: 'ALL',
+      browser: 'ALL'
+    }
+  },
+  IPadNative: {
+    browserName: 'MobileSafari',
+    simulator: false,
+    CFBundleName: 'Safari',
+    device: 'ipad',
+    loggingPrefs: {
+      performance: 'ALL',
+      browser: 'ALL'
+    }
   }
 };
 
@@ -145,7 +175,13 @@ exports.createBenchpressRunner = function(options) {
     benchpress.bind(benchpress.Options.DEFAULT_DESCRIPTION).toValue({
       'lang': options.lang,
       'runId': runId
-    })
+    }),
+    // TODO(tbosch): Make the ChromeDriverExtension configurable based on the
+    // capabilities. Should support the case where we test against
+    // ios and chrome at the same time!
+    benchpress.bind(benchpress.WebDriverExtension).toFactory(function(adapter) {
+      return new benchpress.ChromeDriverExtension(adapter);
+    }, [benchpress.WebDriverAdapter])
   ];
   if (argv['benchmark']) {
     bindings.push(benchpress.RegressionSlopeValidator.BINDINGS);

tools/build/util.js

@@ -51,7 +51,7 @@ function filterByFile(pathMapping, folder) {
 function insertSrcFolder(plugins, srcFolderInsertion) {
   return plugins.rename(function(file) {
     var folder = file.dirname;
-    var srcDir = filterByFile(srcFolderInsertion, folder);
+    var srcDir = filterByFile(srcFolderInsertion, path.join(folder, file.basename));
     if (srcDir) {
       var folderParts = file.dirname.split(path.sep);
       folder = [folderParts[0], srcDir].concat(folderParts.slice(1)).join(path.sep);