@angular/benchpress
Version:
Benchpress - a framework for e2e performance tests
234 lines • 36.2 kB
JavaScript
/**
* @license
* Copyright Google LLC All Rights Reserved.
*
* Use of this source code is governed by an MIT-style license that can be
* found in the LICENSE file at https://angular.io/license
*/
var ChromeDriverExtension_1;
import { __decorate, __metadata, __param } from "tslib";
import { Inject, Injectable } from '@angular/core';
import * as fs from 'fs';
import { Options } from '../common_options';
import { WebDriverAdapter } from '../web_driver_adapter';
import { PerfLogFeatures, WebDriverExtension } from '../web_driver_extension';
/**
* Set the following 'traceCategories' to collect metrics in Chrome:
* 'v8,blink.console,disabled-by-default-devtools.timeline,devtools.timeline,blink.user_timing'
*
* In order to collect the frame rate related metrics, add 'benchmark'
* to the list above.
*/
let ChromeDriverExtension = ChromeDriverExtension_1 = class ChromeDriverExtension extends WebDriverExtension {
constructor(driver, userAgent, rawPerflogPath) {
super();
this.driver = driver;
this._firstRun = true;
this._majorChromeVersion = this._parseChromeVersion(userAgent);
this._rawPerflogPath = rawPerflogPath;
}
_parseChromeVersion(userAgent) {
if (!userAgent) {
return -1;
}
let v = userAgent.split(/Chrom(e|ium)\//g)[2];
if (!v) {
return -1;
}
v = v.split('.')[0];
if (!v) {
return -1;
}
return parseInt(v, 10);
}
gc() {
return this.driver.executeScript('window.gc()');
}
async timeBegin(name) {
if (this._firstRun) {
this._firstRun = false;
// Before the first run, read out the existing performance logs
// so that the chrome buffer does not fill up.
await this.driver.logs('performance');
}
return this.driver.executeScript(`performance.mark('${name}-bpstart');`);
}
timeEnd(name, restartName = null) {
let script = `performance.mark('${name}-bpend');`;
if (restartName) {
script += `performance.mark('${restartName}-bpstart');`;
}
return this.driver.executeScript(script);
}
// See [Chrome Trace Event
// Format](https://docs.google.com/document/d/1CvAClvFfyA5R-PhYUmn5OOQtYMH4h6I0nSsKchNAySU/edit)
readPerfLog() {
// TODO(tbosch): Chromedriver bug https://code.google.com/p/chromedriver/issues/detail?id=1098
// 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) => {
const events = [];
entries.forEach((entry) => {
const message = JSON.parse(entry['message'])['message'];
if (message['method'] === 'Tracing.dataCollected') {
events.push(message['params']);
}
if (message['method'] === 'Tracing.bufferUsage') {
throw new Error('The DevTools trace buffer filled during the test!');
}
});
if (this._rawPerflogPath && events.length) {
fs.appendFileSync(this._rawPerflogPath, JSON.stringify(events));
}
return this._convertPerfRecordsToEvents(events);
});
}
_convertPerfRecordsToEvents(chromeEvents, normalizedEvents = null) {
if (!normalizedEvents) {
normalizedEvents = [];
}
chromeEvents.forEach((event) => {
const categories = this._parseCategories(event['cat']);
const normalizedEvent = this._convertEvent(event, categories);
if (normalizedEvent != null)
normalizedEvents.push(normalizedEvent);
});
return normalizedEvents;
}
_convertEvent(event, categories) {
const name = event['name'];
const args = event['args'];
if (this._isEvent(categories, name, ['blink.console'])) {
return normalizeEvent(event, { 'name': name });
}
else if (this._isEvent(categories, name, ['blink.user_timing'])) {
return normalizeEvent(event, { 'name': name });
}
else if (this._isEvent(categories, name, ['benchmark'], 'BenchmarkInstrumentation::ImplThreadRenderingStats')) {
// TODO(goderbauer): Instead of BenchmarkInstrumentation::ImplThreadRenderingStats the
// following events should be used (if available) for more accurate measurements:
// 1st choice: vsync_before - ground truth on Android
// 2nd choice: BenchmarkInstrumentation::DisplayRenderingStats - available on systems with
// new surfaces framework (not broadly enabled yet)
// 3rd choice: BenchmarkInstrumentation::ImplThreadRenderingStats - fallback event that is
// always available if something is rendered
const frameCount = event['args']['data']['frame_count'];
if (frameCount > 1) {
throw new Error('multi-frame render stats not supported');
}
if (frameCount == 1) {
return normalizeEvent(event, { 'name': 'frame' });
}
}
else if (this._isEvent(categories, name, ['disabled-by-default-devtools.timeline'], 'Rasterize') ||
this._isEvent(categories, name, ['disabled-by-default-devtools.timeline'], 'CompositeLayers')) {
return normalizeEvent(event, { 'name': 'render' });
}
else if (this._isEvent(categories, name, ['devtools.timeline', 'v8'], 'MajorGC')) {
const normArgs = {
'majorGc': true,
'usedHeapSize': args['usedHeapSizeAfter'] !== undefined ? args['usedHeapSizeAfter'] :
args['usedHeapSizeBefore']
};
return normalizeEvent(event, { 'name': 'gc', 'args': normArgs });
}
else if (this._isEvent(categories, name, ['devtools.timeline', 'v8'], 'MinorGC')) {
const normArgs = {
'majorGc': false,
'usedHeapSize': args['usedHeapSizeAfter'] !== undefined ? args['usedHeapSizeAfter'] :
args['usedHeapSizeBefore']
};
return normalizeEvent(event, { 'name': 'gc', 'args': normArgs });
}
else if (this._isEvent(categories, name, ['devtools.timeline'], 'FunctionCall') &&
(!args || !args['data'] ||
(args['data']['scriptName'] !== 'InjectedScript' && args['data']['scriptName'] !== ''))) {
return normalizeEvent(event, { 'name': 'script' });
}
else if (this._isEvent(categories, name, ['devtools.timeline'], 'EvaluateScript')) {
return normalizeEvent(event, { 'name': 'script' });
}
else if (this._isEvent(categories, name, ['devtools.timeline', 'blink'], 'UpdateLayoutTree')) {
return normalizeEvent(event, { 'name': 'render' });
}
else if (this._isEvent(categories, name, ['devtools.timeline'], 'UpdateLayerTree') ||
this._isEvent(categories, name, ['devtools.timeline'], 'Layout') ||
this._isEvent(categories, name, ['devtools.timeline'], 'Paint')) {
return normalizeEvent(event, { 'name': 'render' });
}
else if (this._isEvent(categories, name, ['devtools.timeline'], 'ResourceReceivedData')) {
const normArgs = { 'encodedDataLength': args['data']['encodedDataLength'] };
return normalizeEvent(event, { 'name': 'receivedData', 'args': normArgs });
}
else if (this._isEvent(categories, name, ['devtools.timeline'], 'ResourceSendRequest')) {
const data = args['data'];
const normArgs = { 'url': data['url'], 'method': data['requestMethod'] };
return normalizeEvent(event, { 'name': 'sendRequest', 'args': normArgs });
}
else if (this._isEvent(categories, name, ['blink.user_timing'], 'navigationStart')) {
return normalizeEvent(event, { 'name': 'navigationStart' });
}
return null; // nothing useful in this event
}
_parseCategories(categories) {
return categories.split(',');
}
_isEvent(eventCategories, eventName, expectedCategories, expectedName = null) {
const hasCategories = expectedCategories.reduce((value, cat) => value && eventCategories.indexOf(cat) !== -1, true);
return !expectedName ? hasCategories : hasCategories && eventName === expectedName;
}
perfLogFeatures() {
return new PerfLogFeatures({ render: true, gc: true, frameCapture: true, userTiming: true });
}
supports(capabilities) {
return this._majorChromeVersion >= 44 && capabilities['browserName'].toLowerCase() === 'chrome';
}
};
ChromeDriverExtension.PROVIDERS = [{
provide: ChromeDriverExtension_1,
deps: [WebDriverAdapter, Options.USER_AGENT, Options.RAW_PERFLOG_PATH]
}];
ChromeDriverExtension = ChromeDriverExtension_1 = __decorate([
Injectable(),
__param(1, Inject(Options.USER_AGENT)),
__param(2, Inject(Options.RAW_PERFLOG_PATH)),
__metadata("design:paramtypes", [WebDriverAdapter, String, Object])
], ChromeDriverExtension);
export { ChromeDriverExtension };
function normalizeEvent(chromeEvent, data) {
let ph = chromeEvent['ph'].toUpperCase();
if (ph === 'S') {
ph = 'B';
}
else if (ph === 'F') {
ph = 'E';
}
else if (ph === 'R') {
// mark events from navigation timing
ph = 'I';
// Chrome 65+ doesn't allow user timing measurements across page loads.
// Instead, we use performance marks with special names.
if (chromeEvent['name'].match(/-bpstart/)) {
data['name'] = chromeEvent['name'].slice(0, -8);
ph = 'B';
}
else if (chromeEvent['name'].match(/-bpend$/)) {
data['name'] = chromeEvent['name'].slice(0, -6);
ph = 'E';
}
}
const result = { 'pid': chromeEvent['pid'], 'ph': ph, 'cat': 'timeline', 'ts': chromeEvent['ts'] / 1000 };
if (ph === 'X') {
let dur = chromeEvent['dur'];
if (dur === undefined) {
dur = chromeEvent['tdur'];
}
result['dur'] = !dur ? 0.0 : dur / 1000;
}
for (const prop in data) {
result[prop] = data[prop];
}
return result;
}
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* @license\n * Copyright Google LLC All Rights Reserved.\n *\n * Use of this source code is governed by an MIT-style license that can be\n * found in the LICENSE file at https://angular.io/license\n */\n\nimport {Inject, Injectable, StaticProvider} from '@angular/core';\nimport * as fs from 'fs';\n\nimport {Options} from '../common_options';\nimport {WebDriverAdapter} from '../web_driver_adapter';\nimport {PerfLogEvent, PerfLogFeatures, WebDriverExtension} from '../web_driver_extension';\n\n/**\n * Set the following 'traceCategories' to collect metrics in Chrome:\n * 'v8,blink.console,disabled-by-default-devtools.timeline,devtools.timeline,blink.user_timing'\n *\n * In order to collect the frame rate related metrics, add 'benchmark'\n * to the list above.\n */\n@Injectable()\nexport class ChromeDriverExtension extends WebDriverExtension {\n  static PROVIDERS = <StaticProvider>[{\n    provide: ChromeDriverExtension,\n    deps: [WebDriverAdapter, Options.USER_AGENT, Options.RAW_PERFLOG_PATH]\n  }];\n\n  private _majorChromeVersion: number;\n  private _firstRun = true;\n  private _rawPerflogPath: string|null;\n\n  constructor(\n      private driver: WebDriverAdapter, @Inject(Options.USER_AGENT) userAgent: string,\n      @Inject(Options.RAW_PERFLOG_PATH) rawPerflogPath: string|null) {\n    super();\n    this._majorChromeVersion = this._parseChromeVersion(userAgent);\n    this._rawPerflogPath = rawPerflogPath;\n  }\n\n  private _parseChromeVersion(userAgent: string): number {\n    if (!userAgent) {\n      return -1;\n    }\n    let v = userAgent.split(/Chrom(e|ium)\\//g)[2];\n    if (!v) {\n      return -1;\n    }\n    v = v.split('.')[0];\n    if (!v) {\n      return -1;\n    }\n    return parseInt(v, 10);\n  }\n\n  override gc() {\n    return this.driver.executeScript('window.gc()');\n  }\n\n  override async timeBegin(name: string): Promise<any> {\n    if (this._firstRun) {\n      this._firstRun = false;\n      // Before the first run, read out the existing performance logs\n      // so that the chrome buffer does not fill up.\n      await this.driver.logs('performance');\n    }\n    return this.driver.executeScript(`performance.mark('${name}-bpstart');`);\n  }\n\n  override timeEnd(name: string, restartName: string|null = null): Promise<any> {\n    let script = `performance.mark('${name}-bpend');`;\n    if (restartName) {\n      script += `performance.mark('${restartName}-bpstart');`;\n    }\n    return this.driver.executeScript(script);\n  }\n\n  // See [Chrome Trace Event\n  // Format](https://docs.google.com/document/d/1CvAClvFfyA5R-PhYUmn5OOQtYMH4h6I0nSsKchNAySU/edit)\n  override readPerfLog(): Promise<PerfLogEvent[]> {\n    // TODO(tbosch): Chromedriver bug https://code.google.com/p/chromedriver/issues/detail?id=1098\n    // Need to execute at least one command so that the browser logs can be read out!\n    return this.driver.executeScript('1+1')\n        .then((_) => this.driver.logs('performance'))\n        .then((entries) => {\n          const events: PerfLogEvent[] = [];\n          entries.forEach((entry: any) => {\n            const message =\n                (JSON.parse(entry['message']) as\n                 {message: {method: string, params: PerfLogEvent}})['message'];\n            if (message['method'] === 'Tracing.dataCollected') {\n              events.push(message['params']);\n            }\n            if (message['method'] === 'Tracing.bufferUsage') {\n              throw new Error('The DevTools trace buffer filled during the test!');\n            }\n          });\n\n          if (this._rawPerflogPath && events.length) {\n            fs.appendFileSync(this._rawPerflogPath, JSON.stringify(events));\n          }\n          return this._convertPerfRecordsToEvents(events);\n        });\n  }\n\n  private _convertPerfRecordsToEvents(\n      chromeEvents: Array<{[key: string]: any}>, normalizedEvents: PerfLogEvent[]|null = null) {\n    if (!normalizedEvents) {\n      normalizedEvents = [];\n    }\n    chromeEvents.forEach((event) => {\n      const categories = this._parseCategories(event['cat']);\n      const normalizedEvent = this._convertEvent(event, categories);\n      if (normalizedEvent != null) normalizedEvents!.push(normalizedEvent);\n    });\n    return normalizedEvents;\n  }\n\n  private _convertEvent(event: {[key: string]: any}, categories: string[]) {\n    const name = event['name'];\n    const args = event['args'];\n    if (this._isEvent(categories, name, ['blink.console'])) {\n      return normalizeEvent(event, {'name': name});\n    } else if (this._isEvent(categories, name, ['blink.user_timing'])) {\n      return normalizeEvent(event, {'name': name});\n    } else if (this._isEvent(\n                   categories, name, ['benchmark'],\n                   'BenchmarkInstrumentation::ImplThreadRenderingStats')) {\n      // TODO(goderbauer): Instead of BenchmarkInstrumentation::ImplThreadRenderingStats the\n      // following events should be used (if available) for more accurate measurements:\n      //   1st choice: vsync_before - ground truth on Android\n      //   2nd choice: BenchmarkInstrumentation::DisplayRenderingStats - available on systems with\n      //               new surfaces framework (not broadly enabled yet)\n      //   3rd choice: BenchmarkInstrumentation::ImplThreadRenderingStats - fallback event that is\n      //               always available if something is rendered\n      const frameCount = event['args']['data']['frame_count'];\n      if (frameCount > 1) {\n        throw new Error('multi-frame render stats not supported');\n      }\n      if (frameCount == 1) {\n        return normalizeEvent(event, {'name': 'frame'});\n      }\n    } else if (\n        this._isEvent(categories, name, ['disabled-by-default-devtools.timeline'], 'Rasterize') ||\n        this._isEvent(\n            categories, name, ['disabled-by-default-devtools.timeline'], 'CompositeLayers')) {\n      return normalizeEvent(event, {'name': 'render'});\n    } else if (this._isEvent(categories, name, ['devtools.timeline', 'v8'], 'MajorGC')) {\n      const normArgs = {\n        'majorGc': true,\n        'usedHeapSize': args['usedHeapSizeAfter'] !== undefined ? args['usedHeapSizeAfter'] :\n                                                                  args['usedHeapSizeBefore']\n      };\n      return normalizeEvent(event, {'name': 'gc', 'args': normArgs});\n    } else if (this._isEvent(categories, name, ['devtools.timeline', 'v8'], 'MinorGC')) {\n      const normArgs = {\n        'majorGc': false,\n        'usedHeapSize': args['usedHeapSizeAfter'] !== undefined ? args['usedHeapSizeAfter'] :\n                                                                  args['usedHeapSizeBefore']\n      };\n      return normalizeEvent(event, {'name': 'gc', 'args': normArgs});\n    } else if (\n        this._isEvent(categories, name, ['devtools.timeline'], 'FunctionCall') &&\n        (!args || !args['data'] ||\n         (args['data']['scriptName'] !== 'InjectedScript' && args['data']['scriptName'] !== ''))) {\n      return normalizeEvent(event, {'name': 'script'});\n    } else if (this._isEvent(categories, name, ['devtools.timeline'], 'EvaluateScript')) {\n      return normalizeEvent(event, {'name': 'script'});\n    } else if (this._isEvent(\n                   categories, name, ['devtools.timeline', 'blink'], 'UpdateLayoutTree')) {\n      return normalizeEvent(event, {'name': 'render'});\n    } else if (\n        this._isEvent(categories, name, ['devtools.timeline'], 'UpdateLayerTree') ||\n        this._isEvent(categories, name, ['devtools.timeline'], 'Layout') ||\n        this._isEvent(categories, name, ['devtools.timeline'], 'Paint')) {\n      return normalizeEvent(event, {'name': 'render'});\n    } else if (this._isEvent(categories, name, ['devtools.timeline'], 'ResourceReceivedData')) {\n      const normArgs = {'encodedDataLength': args['data']['encodedDataLength']};\n      return normalizeEvent(event, {'name': 'receivedData', 'args': normArgs});\n    } else if (this._isEvent(categories, name, ['devtools.timeline'], 'ResourceSendRequest')) {\n      const data = args['data'];\n      const normArgs = {'url': data['url'], 'method': data['requestMethod']};\n      return normalizeEvent(event, {'name': 'sendRequest', 'args': normArgs});\n    } else if (this._isEvent(categories, name, ['blink.user_timing'], 'navigationStart')) {\n      return normalizeEvent(event, {'name': 'navigationStart'});\n    }\n    return null;  // nothing useful in this event\n  }\n\n  private _parseCategories(categories: string): string[] {\n    return categories.split(',');\n  }\n\n  private _isEvent(\n      eventCategories: string[], eventName: string, expectedCategories: string[],\n      expectedName: string|null = null): boolean {\n    const hasCategories = expectedCategories.reduce(\n        (value, cat) => value && eventCategories.indexOf(cat) !== -1, true);\n    return !expectedName ? hasCategories : hasCategories && eventName === expectedName;\n  }\n\n  override perfLogFeatures(): PerfLogFeatures {\n    return new PerfLogFeatures({render: true, gc: true, frameCapture: true, userTiming: true});\n  }\n\n  override supports(capabilities: {[key: string]: any}): boolean {\n    return this._majorChromeVersion >= 44 && capabilities['browserName'].toLowerCase() === 'chrome';\n  }\n}\n\nfunction normalizeEvent(chromeEvent: {[key: string]: any}, data: PerfLogEvent): PerfLogEvent {\n  let ph = chromeEvent['ph'].toUpperCase();\n  if (ph === 'S') {\n    ph = 'B';\n  } else if (ph === 'F') {\n    ph = 'E';\n  } else if (ph === 'R') {\n    // mark events from navigation timing\n    ph = 'I';\n    // Chrome 65+ doesn't allow user timing measurements across page loads.\n    // Instead, we use performance marks with special names.\n    if (chromeEvent['name'].match(/-bpstart/)) {\n      data['name'] = chromeEvent['name'].slice(0, -8);\n      ph = 'B';\n    } else if (chromeEvent['name'].match(/-bpend$/)) {\n      data['name'] = chromeEvent['name'].slice(0, -6);\n      ph = 'E';\n    }\n  }\n  const result: {[key: string]: any} =\n      {'pid': chromeEvent['pid'], 'ph': ph, 'cat': 'timeline', 'ts': chromeEvent['ts'] / 1000};\n  if (ph === 'X') {\n    let dur = chromeEvent['dur'];\n    if (dur === undefined) {\n      dur = chromeEvent['tdur'];\n    }\n    result['dur'] = !dur ? 0.0 : dur / 1000;\n  }\n  for (const prop in data) {\n    result[prop] = data[prop];\n  }\n  return result;\n}\n"]}