feat(bench press): replace microIterations with microMetrics

modules/angular2/src/test_lib/benchmark_util.js

@@ -1,5 +1,5 @@
 import {BrowserDomAdapter} from 'angular2/src/dom/browser_adapter';
-import {document} from 'angular2/src/facade/browser';
+import {document, window} from 'angular2/src/facade/browser';
 import {NumberWrapper, BaseException, isBlank} from 'angular2/src/facade/lang';
 
 var DOM = new BrowserDomAdapter();
@@ -34,4 +34,11 @@ export function bindAction(selector:string, callback:Function) {
   DOM.on(el, 'click', function(_) {
     callback();
   });
-}
+}
+
+export function microBenchmark(name, iterationCount, callback) {
+  var durationName = `${name}/${iterationCount}`;
+  window.console.time(durationName);
+  callback();
+  window.console.timeEnd(durationName);
+}

modules/angular2/src/test_lib/perf_util.es6

@@ -23,26 +23,21 @@ function runBenchmark(config) {
   return getScaleFactor(browser.params.benchmark.scaling).then(function(scaleFactor) {
     var description = {};
     var urlParams = [];
-    var microIterations = config.microIterations || 0;
-    var params = config.params || [];
-    if (microIterations) {
-      params = params.concat([{
-        name: 'iterations', value: microIterations, scale: 'linear'
-      }]);
+    if (config.params) {
+      config.params.forEach(function(param) {
+        var name = param.name;
+        var value = applyScaleFactor(param.value, scaleFactor, param.scale);
+        urlParams.push(name + '=' + value);
+        description[name] = value;
+      });
     }
-    params.forEach(function(param) {
-      var name = param.name;
-      var value = applyScaleFactor(param.value, scaleFactor, param.scale);
-      urlParams.push(name + '=' + value);
-      description[name] = value;
-    });
     var url = encodeURI(config.url + '?' + urlParams.join('&'));
     browser.get(url);
     return benchpressRunner.sample({
       id: config.id,
       execute: config.work,
       prepare: config.prepare,
-      microIterations: microIterations,
+      microMetrics: config.microMetrics,
       bindings: [
         benchpress.bind(benchpress.Options.SAMPLE_DESCRIPTION).toValue(description)
       ]

modules/benchmarks/e2e_test/change_detection_perf.es6

@@ -11,10 +11,13 @@ describe('ng2 change detection benchmark', function () {
       url: URL,
       buttons: ['#ng2ChangeDetectionDynamic'],
       id: 'ng2.changeDetection.dynamic',
-      params: [{
-        name: 'numberOfChecks', value: 900000
-      }],
-      microIterations: 20
+      params: [
+        {name: 'numberOfChecks', value: 900000},
+        {name: 'iterations', value: 20, scale: 'linear'}
+      ],
+      microMetrics: {
+        'detectChangesAvg': 'avg time to detect changes (ms)'
+      }
     }).then(done, done.fail);
   });
 
@@ -23,10 +26,13 @@ describe('ng2 change detection benchmark', function () {
       url: URL,
       buttons: ['#ng2ChangeDetectionJit'],
       id: 'ng2.changeDetection.jit',
-      params: [{
-        name: 'numberOfChecks', value: 900000
-      }],
-      microIterations: 20
+      params: [
+        {name: 'numberOfChecks', value: 900000},
+        {name: 'iterations', value: 20, scale: 'linear'}
+      ],
+      microMetrics: {
+        'detectChangesAvg': 'avg time to detect changes (ms)'
+      }
     }).then(done, done.fail);
   });
 
@@ -35,10 +41,13 @@ describe('ng2 change detection benchmark', function () {
       url: URL,
       buttons: ['#baselineChangeDetection'],
       id: 'baseline.changeDetection',
-      params: [{
-        name: 'numberOfChecks', value: 900000
-      }],
-      microIterations: 20
+      params: [
+        {name: 'numberOfChecks', value: 900000},
+        {name: 'iterations', value: 20, scale: 'linear'}
+      ],
+      microMetrics: {
+        'detectChangesAvg': 'avg time to detect changes (ms)'
+      }
     }).then(done, done.fail);
   });
 

modules/benchmarks/e2e_test/di_perf.es6

@@ -14,7 +14,9 @@ describe('ng2 di benchmark', function () {
       params: [{
         name: 'iterations', value: 20000, scale: 'linear'
       }],
-      microIterations: 20000
+      microMetrics: {
+        'injectAvg': 'avg time for injection (in ms)'
+      }
     }).then(done, done.fail);
   });
 
@@ -23,7 +25,12 @@ describe('ng2 di benchmark', function () {
       url: URL,
       buttons: ['#getByKey'],
       id: 'ng2.di.getByKey',
-      microIterations: 20000
+      params: [{
+        name: 'iterations', value: 20000, scale: 'linear'
+      }],
+      microMetrics: {
+        'injectAvg': 'avg time for injection (in ms)'
+      }
     }).then(done, done.fail);
   });
 
@@ -32,7 +39,12 @@ describe('ng2 di benchmark', function () {
       url: URL,
       buttons: ['#getChild'],
       id: 'ng2.di.getChild',
-      microIterations: 20000
+      params: [{
+        name: 'iterations', value: 20000, scale: 'linear'
+      }],
+      microMetrics: {
+        'injectAvg': 'avg time for getChild (in ms)'
+      }
     }).then(done, done.fail);
   });
 
@@ -41,7 +53,12 @@ describe('ng2 di benchmark', function () {
       url: URL,
       buttons: ['#instantiate'],
       id: 'ng2.di.instantiate',
-      microIterations: 10000
+      params: [{
+        name: 'iterations', value: 10000, scale: 'linear'
+      }],
+      microMetrics: {
+        'injectAvg': 'avg time for instantiate (in ms)'
+      }
     }).then(done, done.fail);
   });
 

modules/benchmarks/e2e_test/element_injector_perf.es6

@@ -11,7 +11,12 @@ describe('ng2 element injector benchmark', function () {
       url: URL,
       buttons: ['#instantiate'],
       id: 'ng2.elementInjector.instantiate',
-      microIterations: 20000
+      params: [{
+        name: 'iterations', value: 20000, scale: 'linear'
+      }],
+      microMetrics: {
+        'instantiateAvg': 'avg time for injection (in ms)'
+      }
     }).then(done, done.fail);
   });
 
@@ -20,7 +25,12 @@ describe('ng2 element injector benchmark', function () {
       url: URL,
       buttons: ['#instantiateDirectives'],
       id: 'ng2.elementInjector.instantiateDirectives',
-      microIterations: 20000
+      params: [{
+        name: 'iterations', value: 20000, scale: 'linear'
+      }],
+      microMetrics: {
+        'instantiateAvg': 'avg time for injection (in ms)'
+      }
     }).then(done, done.fail);
   });
 

modules/benchmarks/src/change_detection/change_detection_benchmark.js

@@ -1,7 +1,7 @@
 import {ListWrapper, MapWrapper} from 'angular2/src/facade/collection';
 import {reflector} from 'angular2/src/reflection/reflection';
 import {isPresent, isJsObject} from 'angular2/src/facade/lang';
-import {getIntParameter, bindAction} from 'angular2/src/test_lib/benchmark_util';
+import {getIntParameter, bindAction, microBenchmark} from 'angular2/src/test_lib/benchmark_util';
 import {BrowserDomAdapter} from 'angular2/src/dom/browser_adapter';
 
 import {
@@ -172,7 +172,10 @@ export function main () {
     }
   }
   runBaselineChangeDetection();
-  bindAction('#baselineChangeDetection', baselineChangeDetection);
+  bindAction(
+    '#baselineChangeDetection',
+    () => microBenchmark('detectChangesAvg', numberOfRuns, baselineChangeDetection)
+  );
 
 
   // -- DYNAMIC
@@ -183,7 +186,10 @@ export function main () {
     }
   }
   ng2DynamicChangeDetector.detectChanges();
-  bindAction('#ng2ChangeDetectionDynamic', ng2ChangeDetectionDynamic);
+  bindAction(
+    '#ng2ChangeDetectionDynamic',
+    () => microBenchmark('detectChangesAvg', numberOfRuns, ng2ChangeDetectionDynamic)
+  );
 
 
   // -- JIT
@@ -198,7 +204,10 @@ export function main () {
     }
 
     ng2JitChangeDetector.detectChanges();
-    bindAction('#ng2ChangeDetectionJit', ng2ChangeDetectionJit);
+    bindAction(
+      '#ng2ChangeDetectionJit',
+      () => microBenchmark('detectChangesAvg', numberOfRuns, ng2ChangeDetectionJit)
+    );
   } else {
     bindAction('#ng2ChangeDetectionJit', () => {});
   }

modules/benchmarks/src/di/di_benchmark.js

@@ -1,6 +1,6 @@
 import {Injector, Key} from "angular2/di";
 import {reflector} from 'angular2/src/reflection/reflection';
-import {getIntParameter, bindAction} from 'angular2/src/test_lib/benchmark_util';
+import {getIntParameter, bindAction, microBenchmark} from 'angular2/src/test_lib/benchmark_util';
 import {BrowserDomAdapter} from 'angular2/src/dom/browser_adapter';
 
 var count = 0;
@@ -77,10 +77,22 @@ export function main() {
     }
   }
 
-  bindAction('#getByToken', getByToken);
-  bindAction('#getByKey', getByKey);
-  bindAction('#getChild', getChild);
-  bindAction('#instantiate', instantiate);
+  bindAction(
+    '#getByToken',
+    () => microBenchmark('injectAvg', iterations, getByToken)
+  );
+  bindAction(
+    '#getByKey',
+    () => microBenchmark('injectAvg', iterations, getByKey)
+  );
+  bindAction(
+    '#getChild',
+    () => microBenchmark('injectAvg', iterations, getChild)
+  );
+  bindAction(
+    '#instantiate',
+    () => microBenchmark('injectAvg', iterations, instantiate)
+  );
 }
 
 

modules/benchmarks/src/element_injector/element_injector_benchmark.js

@@ -1,7 +1,7 @@
 import {reflector} from 'angular2/src/reflection/reflection';
 import {Injector} from 'angular2/di';
 import {ProtoElementInjector} from 'angular2/src/core/compiler/element_injector';
-import {getIntParameter, bindAction} from 'angular2/src/test_lib/benchmark_util';
+import {getIntParameter, bindAction, microBenchmark} from 'angular2/src/test_lib/benchmark_util';
 import {BrowserDomAdapter} from 'angular2/src/dom/browser_adapter';
 
 var count = 0;
@@ -49,8 +49,14 @@ export function main() {
     }
   }
 
-  bindAction('#instantiate', instantiate);
-  bindAction('#instantiateDirectives', instantiateDirectives);
+  bindAction(
+    '#instantiate',
+    () => microBenchmark('instantiateAvg', iterations, instantiate)
+  );
+  bindAction(
+    '#instantiateDirectives',
+    () => microBenchmark('instantiateAvg', iterations, instantiateDirectives)
+  );
 }
 
 class A {

modules/benchpress/src/common_options.js

@@ -20,15 +20,11 @@ export class Options {
   // TODO(tbosch): use static initializer when our transpiler supports it
   static get USER_AGENT() { return _USER_AGENT; }
   // TODO(tbosch): use static initializer when our transpiler supports it
-  /**
-   * Number of iterations that run inside the browser by user code.
-   * Used for micro benchmarks.
-   **/
-  static get MICRO_ITERATIONS() { return _MICRO_ITERATIONS; }
-  // TODO(tbosch): use static initializer when our transpiler supports it
   static get NOW() { return _NOW; }
   // TODO(tbosch): use static values when our transpiler supports them
   static get WRITE_FILE() { return _WRITE_FILE; }
+  // TODO(tbosch): use static values when our transpiler supports them
+  static get MICRO_METRICS() { return _MICRO_METRICS; }
 }
 
 var _SAMPLE_ID = new OpaqueToken('Options.sampleId');
@@ -39,7 +35,7 @@ var _PREPARE = new OpaqueToken('Options.prepare');
 var _EXECUTE = new OpaqueToken('Options.execute');
 var _CAPABILITIES = new OpaqueToken('Options.capabilities');
 var _USER_AGENT = new OpaqueToken('Options.userAgent');
-var _MICRO_ITERATIONS = new OpaqueToken('Options.microIterations');
+var _MICRO_METRICS = new OpaqueToken('Options.microMetrics');
 var _NOW = new OpaqueToken('Options.now');
 var _WRITE_FILE = new OpaqueToken('Options.writeFile');
 
@@ -48,5 +44,6 @@ var _DEFAULT_BINDINGS = [
   bind(_SAMPLE_DESCRIPTION).toValue({}),
   bind(_FORCE_GC).toValue(false),
   bind(_PREPARE).toValue(false),
+  bind(_MICRO_METRICS).toValue({}),
   bind(_NOW).toValue( () => DateWrapper.now() )
 ];

modules/benchpress/src/metric/perflog_metric.js

@@ -1,5 +1,7 @@
 import { PromiseWrapper, Promise } from 'angular2/src/facade/async';
-import { isPresent, isBlank, int, BaseException, StringWrapper, Math } from 'angular2/src/facade/lang';
+import {
+  isPresent, isBlank, int, BaseException, StringWrapper, Math, RegExpWrapper, NumberWrapper
+} from 'angular2/src/facade/lang';
 import { ListWrapper, StringMap, StringMapWrapper } from 'angular2/src/facade/collection';
 import { bind, OpaqueToken } from 'angular2/di';
 
@@ -20,22 +22,21 @@ export class PerflogMetric extends Metric {
   _remainingEvents:List;
   _measureCount:int;
   _setTimeout:Function;
-  _microIterations:int;
+  _microMetrics:StringMap<string, string>;
   _perfLogFeatures:PerfLogFeatures;
 
   /**
    * @param driverExtension
    * @param setTimeout
-   * @param microIterations Number of iterations that run inside the browser by user code.
-   *                        Used for micro benchmarks.
+   * @param microMetrics Name and description of metrics provided via console.time / console.timeEnd
    **/
-  constructor(driverExtension:WebDriverExtension, setTimeout:Function, microIterations:int) {
+  constructor(driverExtension:WebDriverExtension, setTimeout:Function, microMetrics:StringMap<string, string>) {
     super();
     this._driverExtension = driverExtension;
     this._remainingEvents = [];
     this._measureCount = 0;
     this._setTimeout = setTimeout;
-    this._microIterations = microIterations;
+    this._microMetrics = microMetrics;
     this._perfLogFeatures = driverExtension.perfLogFeatures();
   }
 
@@ -52,9 +53,9 @@ export class PerflogMetric extends Metric {
       res['gcAmount'] = 'gc amount in kbytes';
       res['majorGcTime'] = 'time of major gcs in ms';
     }
-    if (this._microIterations > 0) {
-      res['microScriptTimeAvg'] = 'average script time for a micro iteration';
-    }
+    StringMapWrapper.forEach(this._microMetrics, (desc, name) => {
+      StringMapWrapper.set(res, name, desc);
+    });
     return res;
   }
 
@@ -137,6 +138,9 @@ export class PerflogMetric extends Metric {
     if (this._perfLogFeatures.render) {
       result['renderTime'] = 0;
     }
+    StringMapWrapper.forEach(this._microMetrics, (desc, name) => {
+      result[name] = 0;
+    });
 
     var markStartEvent = null;
     var markEndEvent = null;
@@ -147,17 +151,24 @@ export class PerflogMetric extends Metric {
     events.forEach( (event) => {
       var ph = event['ph'];
       var name = event['name'];
+      var microIterations = 1;
+      var microIterationsMatch = RegExpWrapper.firstMatch(_MICRO_ITERATIONS_REGEX, name);
+      if (isPresent(microIterationsMatch)) {
+        name = microIterationsMatch[1];
+        microIterations = NumberWrapper.parseInt(microIterationsMatch[2], 10);
+      }
+
       if (StringWrapper.equals(ph, 'b') && StringWrapper.equals(name, markName)) {
         markStartEvent = event;
       } else if (StringWrapper.equals(ph, 'e') && StringWrapper.equals(name, markName)) {
         markEndEvent = event;
       }
       if (isPresent(markStartEvent) && isBlank(markEndEvent) && event['pid'] === markStartEvent['pid']) {
-        if (StringWrapper.equals(ph, 'B')) {
+        if (StringWrapper.equals(ph, 'B') || StringWrapper.equals(ph, 'b')) {
           intervalStarts[name] = event;
-        } else if (StringWrapper.equals(ph, 'E') && isPresent(intervalStarts[name])) {
+        } else if ((StringWrapper.equals(ph, 'E') || StringWrapper.equals(ph, 'e')) && isPresent(intervalStarts[name])) {
           var startEvent = intervalStarts[name];
-          var duration = event['ts'] - startEvent['ts'];
+          var duration = (event['ts'] - startEvent['ts']);
           intervalStarts[name] = null;
           if (StringWrapper.equals(name, 'gc')) {
             result['gcTime'] += duration;
@@ -177,14 +188,13 @@ export class PerflogMetric extends Metric {
             }
           } else if (StringWrapper.equals(name, 'script')) {
             result['scriptTime'] += duration;
+          } else if (isPresent(this._microMetrics[name])) {
+            result[name] += duration / microIterations;
           }
         }
       }
     });
     result['pureScriptTime'] = result['scriptTime'] - gcTimeInScript - renderTimeInScript;
-    if (this._microIterations > 0) {
-      result['microScriptTimeAvg'] = result['scriptTime'] / this._microIterations;
-    }
     return isPresent(markStartEvent) && isPresent(markEndEvent) ? result : null;
   }
 
@@ -193,15 +203,16 @@ export class PerflogMetric extends Metric {
   }
 }
 
+var _MICRO_ITERATIONS_REGEX = RegExpWrapper.create('(.+)\\*(\\d+)$');
+
 var _MAX_RETRY_COUNT = 20;
 var _MARK_NAME_PREFIX = 'benchpress';
 var _SET_TIMEOUT = new OpaqueToken('PerflogMetric.setTimeout');
 var _BINDINGS = [
   bind(PerflogMetric).toFactory(
-    (driverExtension, setTimeout, microIterations) =>
-      new PerflogMetric(driverExtension, setTimeout, microIterations),
-    [WebDriverExtension, _SET_TIMEOUT, Options.MICRO_ITERATIONS]
+    (driverExtension, setTimeout, microMetrics) =>
+      new PerflogMetric(driverExtension, setTimeout, microMetrics),
+    [WebDriverExtension, _SET_TIMEOUT, Options.MICRO_METRICS]
   ),
-  bind(_SET_TIMEOUT).toValue( (fn, millis) => PromiseWrapper.setTimeout(fn, millis) ),
-  bind(Options.MICRO_ITERATIONS).toValue(0)
+  bind(_SET_TIMEOUT).toValue( (fn, millis) => PromiseWrapper.setTimeout(fn, millis) )
 ];

modules/benchpress/src/runner.js

@@ -34,7 +34,7 @@ export class Runner {
     this._defaultBindings = defaultBindings;
   }
 
-  sample({id, execute, prepare, microIterations, bindings}):Promise<SampleState> {
+  sample({id, execute, prepare, microMetrics, bindings}):Promise<SampleState> {
     var sampleBindings = [
       _DEFAULT_BINDINGS,
       this._defaultBindings,
@@ -44,8 +44,8 @@ export class Runner {
     if (isPresent(prepare)) {
       ListWrapper.push(sampleBindings, bind(Options.PREPARE).toValue(prepare));
     }
-    if (isPresent(microIterations)) {
-      ListWrapper.push(sampleBindings, bind(Options.MICRO_ITERATIONS).toValue(microIterations));
+    if (isPresent(microMetrics)) {
+      ListWrapper.push(sampleBindings, bind(Options.MICRO_METRICS).toValue(microMetrics));
     }
     if (isPresent(bindings)) {
       ListWrapper.push(sampleBindings, bindings);

modules/benchpress/test/metric/perflog_metric_spec.js

@@ -11,7 +11,7 @@ import {
   xit,
 } from 'angular2/test_lib';
 
-import { List, ListWrapper } from 'angular2/src/facade/collection';
+import { List, ListWrapper, StringMapWrapper } from 'angular2/src/facade/collection';
 import { PromiseWrapper, Promise } from 'angular2/src/facade/async';
 import { isPresent, isBlank } from 'angular2/src/facade/lang';
 
@@ -27,20 +27,23 @@ export function main() {
   var commandLog;
   var eventFactory = new TraceEventFactory('timeline', 'pid0');
 
-  function createMetric(perfLogs, microIterations = 0, perfLogFeatures = null) {
+  function createMetric(perfLogs, microMetrics = null, perfLogFeatures = null) {
     commandLog = [];
     if (isBlank(perfLogFeatures)) {
       perfLogFeatures = new PerfLogFeatures({render: true, gc: true});
     }
+    if (isBlank(microMetrics)) {
+      microMetrics = StringMapWrapper.create();
+    }
     var bindings = [
       Options.DEFAULT_BINDINGS,
       PerflogMetric.BINDINGS,
+      bind(Options.MICRO_METRICS).toValue(microMetrics),
       bind(PerflogMetric.SET_TIMEOUT).toValue( (fn, millis) => {
         ListWrapper.push(commandLog, ['setTimeout', millis]);
         fn();
       }),
-      bind(WebDriverExtension).toValue(new MockDriverExtension(perfLogs, commandLog, perfLogFeatures)),
-      bind(Options.MICRO_ITERATIONS).toValue(microIterations)
+      bind(WebDriverExtension).toValue(new MockDriverExtension(perfLogs, commandLog, perfLogFeatures))
     ];
     return new Injector(bindings).get(PerflogMetric);
   }
@@ -48,12 +51,12 @@ export function main() {
   describe('perflog metric', () => {
 
     it('should describe itself based on the perfLogFeatrues', () => {
-      expect(createMetric([[]], 0, new PerfLogFeatures()).describe()).toEqual({
+      expect(createMetric([[]], null, new PerfLogFeatures()).describe()).toEqual({
         'scriptTime': 'script execution time in ms, including gc and render',
         'pureScriptTime': 'script execution time in ms, without gc nor render'
       });
 
-      expect(createMetric([[]], 0, new PerfLogFeatures({
+      expect(createMetric([[]], null, new PerfLogFeatures({
         render: true,
         gc: false
       })).describe()).toEqual({
@@ -72,6 +75,13 @@ export function main() {
       });
     });
 
+    it('should describe itself based on micro metrics', () => {
+      var description = createMetric([[]], {
+        'myMicroMetric': 'someDesc'
+      }).describe();
+      expect(description['myMicroMetric']).toEqual('someDesc');
+    });
+
     describe('beginMeasure', () => {
 
       it('should mark the timeline', inject([AsyncTestCompleter], (async) => {
@@ -194,10 +204,10 @@ export function main() {
 
     describe('aggregation', () => {
 
-      function aggregate(events, microIterations = 0) {
+      function aggregate(events, microMetrics = null) {
         ListWrapper.insert(events, 0, eventFactory.markStart('benchpress0', 0));
         ListWrapper.push(events, eventFactory.markEnd('benchpress0', 10));
-        var metric = createMetric([events], microIterations);
+        var metric = createMetric([events], microMetrics);
         return metric
           .beginMeasure().then( (_) => metric.endMeasure(false) );
       }
@@ -319,25 +329,34 @@ export function main() {
         });
       }));
 
-      describe('microIterations', () => {
+      describe('microMetrics', () => {
 
-        it('should not report microScriptTimeAvg if microIterations = 0', inject([AsyncTestCompleter], (async) => {
+        it('should report micro metrics', inject([AsyncTestCompleter], (async) => {
           aggregate([
-            eventFactory.start('script', 0),
-            eventFactory.end('script', 5)
-          ], 0).then((data) => {
-            expect(isPresent(data['microScriptTimeAvg'])).toBe(false);
+            eventFactory.markStart('mm1', 0),
+            eventFactory.markEnd('mm1', 5),
+          ], {'mm1': 'micro metric 1'}).then((data) => {
+            expect(data['mm1']).toBe(5.0);
             async.done();
           });
         }));
 
-        it('should report microScriptTimeAvg', inject([AsyncTestCompleter], (async) => {
+        it('should ignore micro metrics that were not specified', inject([AsyncTestCompleter], (async) => {
           aggregate([
-            eventFactory.start('script', 0),
-            eventFactory.end('script', 5)
-          ], 4).then((data) => {
-            expect(data['scriptTime']).toBe(5);
-            expect(data['microScriptTimeAvg']).toBe(5/4);
+            eventFactory.markStart('mm1', 0),
+            eventFactory.markEnd('mm1', 5),
+          ]).then((data) => {
+            expect(data['mm1']).toBeFalsy();
+            async.done();
+          });
+        }));
+
+        it('should report micro metric averages', inject([AsyncTestCompleter], (async) => {
+          aggregate([
+            eventFactory.markStart('mm1*20', 0),
+            eventFactory.markEnd('mm1*20', 5),
+          ], {'mm1': 'micro metric 1'}).then((data) => {
+            expect(data['mm1']).toBe(5/20);
             async.done();
           });
         }));

modules/benchpress/test/runner_spec.js

@@ -96,9 +96,9 @@ export function main() {
       });
     }));
 
-    it('should bind Options.MICRO_ITERATIONS', inject([AsyncTestCompleter], (async) => {
-      createRunner().sample({id: 'someId', microIterations: 23}).then( (_) => {
-        expect(injector.get(Options.MICRO_ITERATIONS)).toEqual(23);
+    it('should bind Options.MICRO_METRICS', inject([AsyncTestCompleter], (async) => {
+      createRunner().sample({id: 'someId', microMetrics: {'a': 'b'}}).then( (_) => {
+        expect(injector.get(Options.MICRO_METRICS)).toEqual({'a': 'b'});
         async.done();
       });
     }));