Home | History | Annotate | Download | only in common 
      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 __c = ""; // that's good enough for me.
      6 var __td;
      7 var __tf;
      8 var __tl;
      9 var __iterations;
     10 var __cycle;
     11 var __results = false;
     12 var __page;
     13 var __TIMEOUT = 15;
     14 function __get_cookie(name) {
     15   var cookies = document.cookie.split("; ");
     16   for (var i = 0; i < cookies.length; ++i) {
     17     var t = cookies[i].split("=");
     18     if (t[0] == name && t[1])
     19       return t[1];
     20   }
     21   return "";
     22 }
     23 function __pages() {  // fetch lazily
     24   if (!("data" in this))
     25     this.data = __get_cookie("__pc_pages").split(",");
     26   return this.data;
     27 }
     28 function __get_timings() {
     29   if (sessionStorage != null &&
     30       sessionStorage.getItem("__pc_timings") != null) {
     31     return sessionStorage["__pc_timings"];
     32   } else {
     33     return __get_cookie("__pc_timings");
     34   }
     35 }
     36 function __set_timings(timings) {
     37   if (sessionStorage == null)
     38     document.cookie = "__pc_timings=" + timings + "; path=/";
     39   else
     40     sessionStorage["__pc_timings"]=timings;
     41 }
     42 function __ontimeout() {
     43   var doc;
     44 
     45   // Call GC twice to cleanup JS heap before starting a new test.
     46   if (window.gc) {
     47     window.gc();
     48     window.gc();
     49   }
     50 
     51   var timings = __tl;
     52   var oldTimings = __get_timings();
     53   if (oldTimings != "") {
     54     timings = oldTimings + "," + timings;
     55   }
     56   __set_timings(timings);
     57 
     58   var ts = (new Date()).getTime();
     59   var tlag = (ts - __te) - __TIMEOUT;
     60   if (tlag > 0)
     61     __tf = __tf + tlag;
     62   if (__cycle == (__pages().length * __iterations)) {
     63     document.cookie = "__pc_done=1; path=/";
     64     doc = "../../common/report.html";
     65     if (window.console) {
     66       console.log("Pages: [" + __get_cookie('__pc_pages') + "]");
     67       console.log("times: [" + __get_timings() + "]");
     68     }
     69   } else {
     70     doc = "../" + __pages()[__page] + "/index.html";
     71   }
     72 
     73   var url = doc + "?n=" + __iterations + "&i=" + __cycle + "&p=" + __page +
     74             "&ts=" + ts + "&td=" + __td + "&tf=" + __tf;
     75   document.location.href = url;
     76 }
     77 function __onload() {
     78   if (__results) {
     79     // Set a variable to indicate that the result report page is loaded.
     80     document.cookie = "__navigated_to_report=1; path=/";
     81     return;
     82   }
     83   var unused = document.body.offsetHeight;  // force layout
     84 
     85   var ts = 0, td = 0, te = (new Date()).getTime(), tf = 0;
     86 
     87   var s = document.location.search;
     88   if (s) {
     89     var params = s.substring(1).split('&');
     90     for (var i = 0; i < params.length; ++i) {
     91       var f = params[i].split('=');
     92       switch (f[0]) {
     93       case 'skip':
     94         // No calculation, just viewing
     95         return;
     96       case 'n':
     97         __iterations = f[1];
     98         break;
     99       case 'i':
    100         __cycle = (f[1] - 0) + 1;
    101         break;
    102       case 'p':
    103         __page = ((f[1] - 0) + 1) % __pages().length;
    104         break;
    105       case 'ts':
    106         ts = (f[1] - 0);
    107         break;
    108       case 'td':
    109         td = (f[1] - 0);
    110         break;
    111       case 'tf':
    112         tf = (f[1] - 0);
    113         break;
    114       }
    115     }
    116   }
    117   __tl = (te - ts);
    118   __td = td + __tl;
    119   __te = te;
    120   __tf = tf;  // record t-fudge
    121 
    122   setTimeout("__ontimeout()", __TIMEOUT);
    123 }
    124 
    125 if (window.attachEvent)
    126   window.attachEvent("onload", __onload);
    127 else
    128   addEventListener("load", __onload, false);
    129