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| (Empty) | |
| 1 <!DOCTYPE html> |
| 2 <html> |
| 3 <head> |
| 4 <script src="../../../bower_components/platform/platform.js"></script> |
| 5 <link rel="import" href="../../../bower_components/polymer/polymer.html"> |
| 6 <link rel="import" href="../../ct-commit-log-mock.html"> |
| 7 <link rel="import" href="../../ct-failures.html"> |
| 8 </head> |
| 9 <body> |
| 10 <label><input type="checkbox" id="collect" checked> Collect timing</label> (this
checkbox takes a long time to register clicks.) |
| 11 <p>Times in ms: |
| 12 <ul> |
| 13 <template id="report" repeat="{{results}}"> |
| 14 <li>{{time}}</li> |
| 15 </template> |
| 16 </ul> |
| 17 <script> |
| 18 (function() { |
| 19 'use strict'; |
| 20 |
| 21 var model = {results: []}; |
| 22 document.querySelector('#report').model = model; |
| 23 |
| 24 var analyzer = new CTFailures(CTCommitLogMock()); |
| 25 var big_alerts = net.json('big-alerts.json'); |
| 26 net.json = function(url) { |
| 27 if (url === 'http://sheriff-o-matic.appspot.com/alerts') { |
| 28 return big_alerts.then(function(alerts) { |
| 29 return Object.clone(alerts, /*deep=*/true); |
| 30 }); |
| 31 } else if (url === 'http://trooper-o-matic.appspot.com/alerts') { |
| 32 return Promise.resolve({}); |
| 33 } else { |
| 34 return Promise.reject(new Error('Unexpected URL: ' + url)); |
| 35 } |
| 36 }; |
| 37 |
| 38 function requestAnimationFramePromise() { |
| 39 return new Promise(function(resolve, reject) { |
| 40 requestAnimationFrame(resolve); |
| 41 }); |
| 42 } |
| 43 |
| 44 function waitForCollecting() { |
| 45 var checkbox = document.querySelector('#collect'); |
| 46 if (checkbox.checked) { |
| 47 return Promise.resolve(); |
| 48 } else { |
| 49 return new Promise(function(resolve, reject) { |
| 50 function resumeCollecting(e) { |
| 51 if (checkbox.checked) { |
| 52 checkbox.removeEventListener(resumeCollecting); |
| 53 resolve(); |
| 54 } |
| 55 } |
| 56 checkbox.addEventListener('change', resumeCollecting); |
| 57 }); |
| 58 } |
| 59 } |
| 60 |
| 61 // A Promise version of "while(true) iteration()". |
| 62 function forever(iteration) { |
| 63 function loop() { |
| 64 iteration().then(loop, function(e) { console.error(e, e.stack); }); |
| 65 } |
| 66 loop(); |
| 67 } |
| 68 |
| 69 big_alerts.then(function() { |
| 70 forever(function() { |
| 71 var start = window.performance.now(); |
| 72 return analyzer.update().then(function() { |
| 73 var end = window.performance.now(); |
| 74 model.results.push({time: end - start}); |
| 75 // Let the browser paint the result, and stop timing when the tab is hidd
en |
| 76 // or the checkbox is unchecked. |
| 77 return waitForCollecting().then(requestAnimationFramePromise); |
| 78 }) |
| 79 }); |
| 80 }); |
| 81 |
| 82 })(); |
| 83 </script> |
| 84 </body> |
| 85 </html> |
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Chromium Code Reviews
Issue 554833003:
Add a manual test of the speed of parsing a giant alerts file. (Closed)
Base URL: https://chromium.googlesource.com/chromium/blink.git@master