126 lines
3.1 KiB
JavaScript
126 lines
3.1 KiB
JavaScript
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// Copyright (c) 2012 The Chromium Authors. All rights reserved.
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// Use of this source code is governed by a BSD-style license that can be
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// found in the LICENSE file.
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var totalTime;
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var fudgeTime;
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var elapsedTime;
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var endTime;
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var iterations;
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var cycle;
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var results = false;
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var TIMEOUT = 15;
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/**
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* Returns the value of the given property stored in the cookie.
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* @param {string} name The property name.
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* @return {string} The value of the given property, or empty string
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* if the property was not found.
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*/
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function __get_cookie(name) {
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var cookies = document.cookie.split('; ');
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for (var i = 0; i < cookies.length; ++i) {
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var t = cookies[i].split('=');
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if ((t[0] == name) && t[1])
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return t[1];
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}
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return '';
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}
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function __get_timings() {
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if (sessionStorage == null)
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return __get_cookie("__pc_timings");
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else {
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if (sessionStorage.getItem("__pc_timings") == null)
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return "";
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else
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return sessionStorage["__pc_timings"];
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}
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}
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function __set_timings(timings) {
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if (sessionStorage == null)
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document.cookie = "__pc_timings=" + timings + "; path=/";
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else
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sessionStorage["__pc_timings"]=timings;
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}
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/**
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* Starts the next test cycle or redirects the browser to the results page.
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*/
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function nextCycleOrResults() {
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// Call GC twice to cleanup JS heap before starting a new test.
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if (window.gc) {
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window.gc();
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window.gc();
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}
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var timings = elapsedTime;
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var oldTimings = __get_timings();
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if (oldTimings != '')
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timings = oldTimings + ',' + timings;
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__set_timings(timings);
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var tLag = Date.now() - endTime - TIMEOUT;
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if (tLag > 0)
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fudgeTime += tLag;
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var doc;
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if (cycle == iterations) {
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document.cookie = '__pc_done=1; path=/';
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doc = '../../common/report.html';
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if (window.console) {
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console.log("Pages: [" + __get_cookie('__pc_pages') + "]");
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console.log("times: [" + __get_timings() + "]");
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}
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} else {
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doc = 'index.html';
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}
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var url = doc + '?n=' + iterations + '&i=' + cycle +
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'&td=' + totalTime + '&tf=' + fudgeTime;
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document.location.href = url;
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}
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/**
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* Computes various running times and updates the stats reported at the end.
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* @param {!number} cycleTime The running time of the test cycle.
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*/
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function testComplete(cycleTime) {
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if (results)
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return;
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var oldTotalTime = 0;
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var cycleEndTime = Date.now();
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var cycleFudgeTime = 0;
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var s = document.location.search;
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if (s) {
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var params = s.substring(1).split('&');
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for (var i = 0; i < params.length; i++) {
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var f = params[i].split('=');
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switch (f[0]) {
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case 'skip':
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return; // No calculation, just viewing
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case 'n':
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iterations = f[1];
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break;
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case 'i':
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cycle = f[1] - 0 + 1;
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break;
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case 'td':
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oldTotalTime = f[1] - 0;
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break;
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case 'tf':
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cycleFudgeTime = f[1] - 0;
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break;
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}
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}
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}
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elapsedTime = cycleTime;
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totalTime = oldTotalTime + elapsedTime;
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endTime = cycleEndTime;
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fudgeTime = cycleFudgeTime;
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setTimeout(nextCycleOrResults, TIMEOUT);
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}
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