2013-06-24 13:25:58 +00:00
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<!DOCTYPE html>
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<!-- Copyright 2013 the V8 project authors. All rights reserved.
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Redistribution and use in source and binary forms, with or without
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modification, are permitted provided that the following conditions are
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met:
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* Redistributions of source code must retain the above copyright
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notice, this list of conditions and the following disclaimer.
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* Redistributions in binary form must reproduce the above
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copyright notice, this list of conditions and the following
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disclaimer in the documentation and/or other materials provided
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with the distribution.
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* Neither the name of Google Inc. nor the names of its
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contributors may be used to endorse or promote products derived
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from this software without specific prior written permission.
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THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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"AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
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A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
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OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
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LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. -->
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<html lang="en-us">
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<head>
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<meta http-equiv="Content-Type" content="text/html; charset=UTF-8">
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<title>V8 profile log plotter</title>
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<link rel="stylesheet" type="text/css" href="profviz.css">
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<script src="profviz.js"></script>
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</head>
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<body onload="onload()">
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<div id="content">
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2013-07-02 15:34:28 +00:00
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<img src="" id="plot" type="image/svg+xml" class="display"
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width="1200" height="600" class="float-right"/>
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<textarea id="prof" class="display" disabled=true></textarea>
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<br/>
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2013-07-02 15:34:28 +00:00
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<table width="1200">
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<tr>
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<td width="330">
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<button id="start" onclick="start()">
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Start
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</button>
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<button id="reset" onclick="ui.reset(); worker.reset();">
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Reset
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</button>
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<button id="toggledisplay" onclick="ui.toggle();">
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Show profile
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</button>
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</td>
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<td width="220">
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<input type="file" id="file" onchange="ui.reset();"/>
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</td>
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<td width="300">
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<label title="You can manually choose the range
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to plot only part of the log file.">
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<span class="tooltip">Range</span>:
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</label>
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<input type="text" id="range_start" class="range"/>
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<label>to</label>
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<input type="text" id="range_end" class="range"/>
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</td>
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<td width="350">
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<label title="We model profiling overhead by accounting a constant
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execution delay to each log entry. Adjust to better suit
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your computer's performance.">
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<span class="tooltip">Delay per log entry</span>:
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</label>
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<input type="text" id="distortion" class="range" value="4500"/>
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<label>picoseconds</label>
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</td>
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</tr>
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</table>
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<br/>
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<textarea class="log" id="log" rows="8" disabled=true></textarea>
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<div class="text">
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<h1>
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<a href="javascript:ui.info('instructions');" class="unroll">
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Instructions
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</a>
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</h1>
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<div id="instructions">
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<ol>
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<li>
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Run V8 with
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<span class="tt">--prof --log-timer-events</span>,
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or alternatively,<br/>
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Chrome with
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<span class="tt">
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--no-sandbox --js-flags="--prof --noprof-lazy --log-timer-events
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</span> to produce <span class="tt">v8.log</span>.
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</li>
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<li>
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Open
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<span class="tt">v8.log</span>
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on this page. Don't worry, it won't be uploaded anywhere.
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</li>
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<li>
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Click "Start" to start number crunching. This will take a while.
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</li>
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<li>
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Click "Show plot/profile" to switch between the statistical profile and
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the timeline plot.<br/>
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C++ items are missing in the statistical profile because symbol
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information is not available.<br>
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Consider using the
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<a href="https://code.google.com/p/v8/wiki/V8Profiler">
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command-line utility
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</a> instead.
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2013-06-24 13:25:58 +00:00
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</li>
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</div>
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</div>
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<div class="text">
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2013-07-02 15:34:28 +00:00
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<h1>
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<a href="javascript:ui.info('credits');" class="unroll">
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Credits
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</a>
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</h1>
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<div id="credits">
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<ul>
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<li>
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Christian Huettig for the
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<a href="http://gnuplot.respawned.com/">Javascript port</a>
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of Gnuplot 4.6.3.
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</li>
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<li>
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The
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<a href="https://github.com/kripken/emscripten">Emscripten compiler</a>
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that made the port possible.
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</li>
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<li>
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The <a href="http://www.gnuplot.info/">Gnuplot project</a>.
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</li>
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<li>
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The <a href="https://developers.google.com/v8/">V8 project</a>.
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</li>
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</ul>
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</div>
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</div>
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</div>
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</body>
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</html>
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