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169 lines
5.2 KiB
169 lines
5.2 KiB
12 years ago
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<!DOCTYPE html>
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<!-- Copyright 2012 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">
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<head>
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<meta charset="utf-8"/>
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<title>V8 Tick Processor</title>
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<style type="text/css">
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body {
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font-family: Verdana, Arial, Helvetica, sans-serif;
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font-size: 10pt;
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}
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h4 {
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margin-bottom: 0px;
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}
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p {
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margin-top: 0px;
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}
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</style>
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<script src="splaytree.js"></script>
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<script src="codemap.js"></script>
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<script src="csvparser.js"></script>
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<script src="consarray.js"></script>
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<script src="profile.js"></script>
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<script src="profile_view.js"></script>
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<script src="logreader.js"></script>
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<script src="tickprocessor.js"></script>
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<script type="text/javascript">
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var v8log_content;
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var textout;
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function load_logfile(evt) {
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textout.value = "";
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var f = evt.target.files[0];
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if (f) {
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var reader = new FileReader();
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reader.onload = function(event) {
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v8log_content = event.target.result;
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start_process();
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};
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reader.onerror = function(event) {
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console.error("File could not be read! Code " + event.target.error.code);
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};
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reader.readAsText(f);
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} else {
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alert("Failed to load file");
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}
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}
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function print(arg) {
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textout.value+=arg+"\n";
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}
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function start_process() {
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ArgumentsProcessor.DEFAULTS = {
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logFileName: 'v8.log',
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snapshotLogFileName: null,
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platform: 'unix',
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stateFilter: null,
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callGraphSize: 5,
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ignoreUnknown: false,
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separateIc: false,
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targetRootFS: '',
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nm: 'nm'
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};
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var entriesProviders = {
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'unix': UnixCppEntriesProvider,
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'windows': WindowsCppEntriesProvider,
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'mac': MacCppEntriesProvider
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};
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var snapshotLogProcessor; // not used
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var tickProcessor = new TickProcessor(
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new (entriesProviders[ArgumentsProcessor.DEFAULTS.platform])(
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ArgumentsProcessor.DEFAULTS.nm,
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ArgumentsProcessor.DEFAULTS.targetRootFS),
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ArgumentsProcessor.DEFAULTS.separateIc,
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ArgumentsProcessor.DEFAULTS.callGraphSize,
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ArgumentsProcessor.DEFAULTS.ignoreUnknown,
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ArgumentsProcessor.DEFAULTS.stateFilter,
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snapshotLogProcessor);
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tickProcessor.processLogChunk(v8log_content);
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tickProcessor.printStatistics();
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}
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function Load() {
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document.getElementById('fileinput').addEventListener(
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'change', load_logfile, false);
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textout = document.getElementById('textout');
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}
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</script>
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</head>
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<body onLoad="Load()">
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<h3 style="margin-top: 2px;">
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Chrome V8 profiling log processor
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</h3>
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<p>
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Process V8's profiling information log (sampling profiler tick information)
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in your browser. Particularly useful if you don't have the V8 shell (d8)
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at hand on your system. You still have to run Chrome with the appropriate
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<a href="https://code.google.com/p/v8/wiki/ProfilingChromiumWithV8">
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command line flags</a>
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to produce the profiling log.
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</p>
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<h4>Usage:</h4>
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<p>
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Click on the button and browse to the profiling log file (usually, v8.log).
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Process will start automatically and the output will be visible in the below
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text area.
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</p>
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<h4>Limitations and disclaimer:</h4>
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<p>
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This page offers a subset of the functionalities of the command-line tick
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processor utility in the V8 repository. In particular, this page cannot
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access the command-line utility that provides library symbol information,
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hence the [C++] section of the output stays empty. Also consider that this
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web-based tool is provided only for convenience and quick reference, you
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should refer to the
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<a href="https://code.google.com/p/v8/wiki/V8Profiler">
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command-line</a>
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version for full output.
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</p>
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<p>
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<input type="file" id="fileinput" />
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</p>
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<p>
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<textarea name="myTextArea" cols="120" rows="40" wrap="off" id="textout"
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readonly="yes"></textarea>
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</p>
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<p style="font-style:italic;">
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Copyright the V8 Authors - Last change to this page: 12/12/2012
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</p>
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</body>
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</html>
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