3rd-party-cpu-abuser

<!doctype html> <html lang="en"> <head> <title>Code coverage report for index.js</title> <meta charset="utf-8" /> <link rel="stylesheet" href="prettify.css" /> <link rel="stylesheet" href="base.css" /> <meta name="viewport" content="width=device-width, initial-scale=1"> <style type='text/css'> .coverage-summary .sorter { background-image: url(sort-arrow-sprite.png); } </style> </head> <body> <div class='wrapper'> <div class='pad1'> <h1> <a href="index.html">All files</a> index.js </h1> <div class='clearfix'> <div class='fl pad1y space-right2'> 60.61% Statements 40/66 </div> <div class='fl pad1y space-right2'> 43.75% Branches 14/32 </div> <div class='fl pad1y space-right2'> 63.64% Functions 7/11 </div> <div class='fl pad1y space-right2'> 62.3% Lines 38/61 </div> </div> </div> <div class='status-line medium'></div> <pre><table class="coverage"> <tr><td class="line-count quiet">1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150</td><td class="line-coverage quiet">2x 2x 2x     2x 2x             5x 5x         5x 2x   3x   5x 5x 5x       5x 5x     5x 5x   5x                                                                   5x 327x                       5x     327x 327x     327x     5x                 5x 129x     5x       1x 1x     1x         1x 1x   1x       1x 14x     1x 1x                                  </td><td class="text"><pre class="prettyprint lang-js">const fs = require('fs') const path = require('path') const Table = require('cli-table')   // full external API exports.toTableConsole = options => toTableConsole(main(options)) exports.data = main   // actual code // supported options : // file: (String) Path to a file // minTime: (Number) under this limit, the domain is ignored. Set to 0 to have them all function main(options) { try { fs.accessSync(options.file, fs.constants.R_OK) } catch (e) { throw 'Please provide a .json file to analyze' } // in ms : under this limit, we ignore the domain if('minTime' in options && !Number.isNaN(Number(options.minTime))) var ignoreTime = Number(options.minTime) else var ignoreTime = 150   const groupBy = options.groupBy || 'Subdomain' const startMark = options.startMark || null const endMark = options.endMark || null   // GET DATA // uses https://github.com/paulirish/devtools-timeline-model const DevtoolsTimelineModel = require('devtools-timeline-model') const model = new DevtoolsTimelineModel(fs.readFileSync(options.file, 'utf8'))   // Allow processing to be restricted by start/endMarks e.g. firstPaint let startTimeStamp = 0 let endTimeStamp = Infinity   Iif(startMark !== null || endMark !== null) {   const events = rootFrameEvents(model)   // Start timestamp if (startMark !== null) { let startMarks = events.filter(entry => entry.name === startMark) if (startMarks.length === 0) { throw 'No entry for ' + startMark }   if (startMarks.length > 1) { console.warn('Found more than one entry for ' + startMark + ', using first') }   startTimeStamp = startMarks[0].startTime; }   // End timestamp if (endMark !== null) { let endMarks = events.filter(entry => entry.name === endMark) if (endMarks.length === 0) { throw 'No entry for ' + endMark }   if (endMarks.length > 1) { console.warn('Found more than one entry for ' + endMark + ', using first') }   endTimeStamp = endMarks[0].startTime; } }   // get all CPU time, already grouped by option (default FQDN) const topCosts = [...model.bottomUpGroupBy(groupBy, startTimeStamp, endTimeStamp).children.values()] const completeTime = topCosts.reduce((total, node) => total + node.totalTime, 0)   // @TODO : test forced relayouts // https://github.com/paulirish/automated-chrome-profiling/blob/master/test-for-layout-thrashing.js /* console.log(model.frameModel()) const forcedReflowEvents = model.frameModel().frames() .filter( e => e.name == 'UpdateLayoutTree' || e.name == 'Layout') .filter( e => e.args && e.args.beginData && e.args.beginData.stackTrace && e.args.beginData.stackTrace.length) console.log('forcedReflowEvents', forcedReflowEvents) */   // ignore if < 150 ms, sort by time const filteredTopCosts = topCosts // rename the unassigned .map((node) => { node.id = node.id || '(no-domain)' return node }) // ignore small contributions .filter((node) => node.totalTime > ignoreTime) // .sort((b, a) => a.time - b.time)   const data = { // First, some stats totalCPUTime: completeTime, totalDomains: topCosts.length, totalOffendersDomains: filteredTopCosts.length, // then the filtered data cpuTimePerDomain:{} } // associate a domain to a time filteredTopCosts.forEach((node) => data.cpuTimePerDomain[node.id] = node.totalTime )   return data }   function toTableConsole(data) { const tableSummary = new Table() let output = ''     tableSummary.push( { 'Total CPU busy time (ms)': data.totalCPUTime.toFixed(2) }, { 'Total number of domains': data.totalDomains }, { 'Number of big offenders': data.totalOffendersDomains } ) output += tableSummary.toString() output += '\n'   const tableData = new Table({ head: ['CPU Time (ms)', 'domain name'] })   for(domainName in data.cpuTimePerDomain) { tableData.push([data.cpuTimePerDomain[domainName].toFixed(2), domainName]) }   output += tableData.toString() return output }   function rootFrameEvents(model) {   const rootFrames = model.sandbox._timelineModel.rootFrames() if(rootFrames.length === 0) { throw 'No root frame in trace' } if(rootFrames.length > 1) { throw 'More than one root frame in trace' }   const rootFrameId = rootFrames[0].frameId;   return model.sandbox._timelineModel._mainThreadEvents.filter(entry => entry.args.frame === rootFrameId) }  </pre></td></tr> </table></pre> <div class='push'></div> </div> <div class='footer quiet pad2 space-top1 center small'> Code coverage generated by <a href="https://istanbul.js.org/" target="_blank">istanbul</a> at Tue Oct 23 2018 17:54:54 GMT+0200 (CEST) </div> </div> <script src="prettify.js"></script> <script> window.onload = function () { if (typeof prettyPrint === 'function') { prettyPrint(); } }; </script> <script src="sorter.js"></script> </body> </html>