1 <!DOCTYPE html> 2 <!-- Copyright 2012 the V8 project authors. All rights reserved. 3 4 Redistribution and use in source and binary forms, with or without 5 modification, are permitted provided that the following conditions are 6 met: 7 * Redistributions of source code must retain the above copyright 8 notice, this list of conditions and the following disclaimer. 9 * Redistributions in binary form must reproduce the above 10 copyright notice, this list of conditions and the following 11 disclaimer in the documentation and/or other materials provided 12 with the distribution. 13 * Neither the name of Google Inc. nor the names of its 14 contributors may be used to endorse or promote products derived 15 from this software without specific prior written permission. 16 THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 17 "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 18 LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR 19 A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT 20 OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 21 SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT 22 LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 23 DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 24 THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 25 (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 26 OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. --> 27 28 <html lang="en"> 29 <head> 30 <meta charset="utf-8"/> 31 <title>V8 Tick Processor</title> 32 33 <style type="text/css"> 34 body { 35 font-family: Verdana, Arial, Helvetica, sans-serif; 36 font-size: 10pt; 37 } 38 h4 { 39 margin-bottom: 0px; 40 } 41 p { 42 margin-top: 0px; 43 } 44 </style> 45 46 <script src="splaytree.js"></script> 47 <script src="codemap.js"></script> 48 <script src="csvparser.js"></script> 49 <script src="consarray.js"></script> 50 <script src="profile.js"></script> 51 <script src="profile_view.js"></script> 52 <script src="logreader.js"></script> 53 <script src="tickprocessor.js"></script> 54 55 <script type="text/javascript"> 56 57 var v8log_content; 58 var textout; 59 60 function load_logfile(evt) { 61 textout.value = ""; 62 var f = evt.target.files[0]; 63 if (f) { 64 var reader = new FileReader(); 65 reader.onload = function(event) { 66 v8log_content = event.target.result; 67 start_process(); 68 }; 69 reader.onerror = function(event) { 70 console.error("File could not be read! Code " + event.target.error.code); 71 }; 72 reader.readAsText(f); 73 } else { 74 alert("Failed to load file"); 75 } 76 } 77 78 function print(arg) { 79 textout.value+=arg+"\n"; 80 } 81 82 function start_process() { 83 ArgumentsProcessor.DEFAULTS = { 84 logFileName: 'v8.log', 85 platform: 'unix', 86 stateFilter: null, 87 callGraphSize: 5, 88 ignoreUnknown: false, 89 separateIc: false, 90 targetRootFS: '', 91 nm: 'nm' 92 }; 93 94 var entriesProviders = { 95 'unix': UnixCppEntriesProvider, 96 'windows': WindowsCppEntriesProvider, 97 'mac': MacCppEntriesProvider 98 }; 99 100 var tickProcessor = new TickProcessor( 101 new (entriesProviders[ArgumentsProcessor.DEFAULTS.platform])( 102 ArgumentsProcessor.DEFAULTS.nm, 103 ArgumentsProcessor.DEFAULTS.targetRootFS), 104 ArgumentsProcessor.DEFAULTS.separateIc, 105 ArgumentsProcessor.DEFAULTS.callGraphSize, 106 ArgumentsProcessor.DEFAULTS.ignoreUnknown, 107 ArgumentsProcessor.DEFAULTS.stateFilter); 108 109 tickProcessor.processLogChunk(v8log_content); 110 tickProcessor.printStatistics(); 111 } 112 113 function Load() { 114 document.getElementById('fileinput').addEventListener( 115 'change', load_logfile, false); 116 textout = document.getElementById('textout'); 117 } 118 </script> 119 </head> 120 <body onLoad="Load()"> 121 122 <h3 style="margin-top: 2px;"> 123 Chrome V8 profiling log processor 124 </h3> 125 <p> 126 Process V8's profiling information log (sampling profiler tick information) 127 in your browser. Particularly useful if you don't have the V8 shell (d8) 128 at hand on your system. You still have to run Chrome with the appropriate 129 <a href="https://code.google.com/p/v8/wiki/ProfilingChromiumWithV8"> 130 command line flags</a> 131 to produce the profiling log. 132 </p> 133 <h4>Usage:</h4> 134 <p> 135 Click on the button and browse to the profiling log file (usually, v8.log). 136 Process will start automatically and the output will be visible in the below 137 text area. 138 </p> 139 <h4>Limitations and disclaimer:</h4> 140 <p> 141 This page offers a subset of the functionalities of the command-line tick 142 processor utility in the V8 repository. In particular, this page cannot 143 access the command-line utility that provides library symbol information, 144 hence the [C++] section of the output stays empty. Also consider that this 145 web-based tool is provided only for convenience and quick reference, you 146 should refer to the 147 <a href="https://code.google.com/p/v8/wiki/V8Profiler"> 148 command-line</a> 149 version for full output. 150 </p> 151 <p> 152 <input type="file" id="fileinput" /> 153 </p> 154 <p> 155 <textarea name="myTextArea" cols="120" rows="40" wrap="off" id="textout" 156 readonly="yes"></textarea> 157 </p> 158 <p style="font-style:italic;"> 159 Copyright the V8 Authors - Last change to this page: 12/12/2012 160 </p> 161 162 163 </body> 164 </html> 165
