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| 1 // Copyright (c) 2012 The Chromium Authors. All rights reserved. | |
| 2 // Use of this source code is governed by a BSD-style license that can be | |
| 3 // found in the LICENSE file. | |
| 4 | |
| 5 var totalTime; | |
| 6 var fudgeTime; | |
| 7 var elapsedTime; | |
| 8 var endTime; | |
| 9 var iterations; | |
| 10 var cycle; | |
| 11 var results = false; | |
| 12 var TIMEOUT = 15; | |
| 13 | |
| 14 /** | |
| 15 * Returns the value of the given property stored in the cookie. | |
| 16 * @param {string} name The property name. | |
| 17 * @return {string} The value of the given property, or empty string | |
| 18 * if the property was not found. | |
| 19 */ | |
| 20 function __get_cookie(name) { | |
| 21 var cookies = document.cookie.split('; '); | |
| 22 for (var i = 0; i < cookies.length; ++i) { | |
| 23 var t = cookies[i].split('='); | |
| 24 if ((t[0] == name) && t[1]) | |
| 25 return t[1]; | |
| 26 } | |
| 27 return ''; | |
| 28 } | |
| 29 | |
| 30 function __get_timings() { | |
| 31 if (sessionStorage == null) | |
| 32 return __get_cookie("__pc_timings"); | |
| 33 else { | |
| 34 if (sessionStorage.getItem("__pc_timings") == null) | |
| 35 return ""; | |
| 36 else | |
| 37 return sessionStorage["__pc_timings"]; | |
| 38 } | |
| 39 } | |
| 40 function __set_timings(timings) { | |
| 41 if (sessionStorage == null) | |
| 42 document.cookie = "__pc_timings=" + timings + "; path=/"; | |
| 43 else | |
| 44 sessionStorage["__pc_timings"]=timings; | |
| 45 } | |
| 46 | |
| 47 /** | |
| 48 * Starts the next test cycle or redirects the browser to the results page. | |
| 49 */ | |
| 50 function nextCycleOrResults() { | |
| 51 // Call GC twice to cleanup JS heap before starting a new test. | |
| 52 if (window.gc) { | |
| 53 window.gc(); | |
| 54 window.gc(); | |
| 55 } | |
| 56 | |
| 57 var timings = elapsedTime; | |
| 58 var oldTimings = __get_timings(); | |
| 59 if (oldTimings != '') | |
| 60 timings = oldTimings + ',' + timings; | |
| 61 __set_timings(timings); | |
| 62 | |
| 63 var tLag = Date.now() - endTime - TIMEOUT; | |
| 64 if (tLag > 0) | |
| 65 fudgeTime += tLag; | |
| 66 | |
| 67 var doc; | |
| 68 if (cycle == iterations) { | |
| 69 document.cookie = '__pc_done=1; path=/'; | |
| 70 doc = '../../common/report.html'; | |
| 71 if (window.console) { | |
| 72 console.log("Pages: [" + __get_cookie('__pc_pages') + "]"); | |
| 73 console.log("times: [" + __get_timings() + "]"); | |
| 74 } | |
| 75 } else { | |
| 76 doc = 'index.html'; | |
| 77 } | |
| 78 | |
| 79 var url = doc + '?n=' + iterations + '&i=' + cycle + | |
| 80 '&td=' + totalTime + '&tf=' + fudgeTime; | |
| 81 document.location.href = url; | |
| 82 } | |
| 83 | |
| 84 /** | |
| 85 * Computes various running times and updates the stats reported at the end. | |
| 86 * @param {!number} cycleTime The running time of the test cycle. | |
| 87 */ | |
| 88 function testComplete(cycleTime) { | |
| 89 if (results) | |
| 90 return; | |
| 91 | |
| 92 var oldTotalTime = 0; | |
| 93 var cycleEndTime = Date.now(); | |
| 94 var cycleFudgeTime = 0; | |
| 95 | |
| 96 var s = document.location.search; | |
| 97 if (s) { | |
| 98 var params = s.substring(1).split('&'); | |
| 99 for (var i = 0; i < params.length; i++) { | |
| 100 var f = params[i].split('='); | |
| 101 switch (f[0]) { | |
| 102 case 'skip': | |
| 103 return; // No calculation, just viewing | |
| 104 case 'n': | |
| 105 iterations = f[1]; | |
| 106 break; | |
| 107 case 'i': | |
| 108 cycle = f[1] - 0 + 1; | |
| 109 break; | |
| 110 case 'td': | |
| 111 oldTotalTime = f[1] - 0; | |
| 112 break; | |
| 113 case 'tf': | |
| 114 cycleFudgeTime = f[1] - 0; | |
| 115 break; | |
| 116 } | |
| 117 } | |
| 118 } | |
| 119 elapsedTime = cycleTime; | |
| 120 totalTime = oldTotalTime + elapsedTime; | |
| 121 endTime = cycleEndTime; | |
| 122 fudgeTime = cycleFudgeTime; | |
| 123 | |
| 124 setTimeout(nextCycleOrResults, TIMEOUT); | |
| 125 } | |
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Chromium Code Reviews
Issue 148093016:
[Telemetry] Clean up some page cycler cruft now that idb has moved out. (Closed)
Base URL: http://git.chromium.org/chromium/src.git@master