2020-06-29 19:21:56 +00:00
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<!DOCTYPE html>
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<!-- Copyright 2020 the V8 project 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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<html lang="en">
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<head>
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<meta charset="UTF-8">
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<title>Indicium</title>
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<!-- <link rel="icon" type="image/png" href="/images/favicon.png"/> -->
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2020-10-23 11:21:18 +00:00
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<link rel="modulepreload" href="./helper.mjs" >
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2020-11-18 15:51:07 +00:00
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<link rel="modulepreload" href="./view/log-file-reader.mjs" >
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<link rel="modulepreload" href="./view/helper.mjs" >
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2021-12-17 03:09:34 +00:00
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<link rel="preload" href="../js/log-file-reader-template.html" as="fetch" crossorigin="anonymous">
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2020-10-23 11:21:18 +00:00
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<script type="module">
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2022-07-19 13:11:01 +00:00
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// Force instantiating the log-reader before anything else.
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2020-11-18 15:51:07 +00:00
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import "./view/log-file-reader.mjs";
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2020-10-23 11:21:18 +00:00
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// Delay loading of the main App
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(async function() {
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let module = await import('./index.mjs');
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2020-12-03 17:48:45 +00:00
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globalThis.app = new module.App();
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2020-10-23 11:21:18 +00:00
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})();
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</script>
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2020-07-13 18:02:52 +00:00
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<link rel="stylesheet" type="text/css" href="./index.css">
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2020-08-13 12:55:19 +00:00
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<style>
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#container.initial {
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display: none;
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}
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2020-10-19 16:48:36 +00:00
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#timeline-panel {
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width: 100%;
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}
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2020-12-07 08:44:54 +00:00
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.panels {
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2020-08-13 12:55:19 +00:00
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display: grid;
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2020-08-14 16:00:55 +00:00
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align-content: center;
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2022-04-14 15:17:44 +00:00
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grid-template-columns: repeat(auto-fill, minmax(600px, 1fr));
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2020-10-19 16:48:36 +00:00
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grid-auto-flow: row dense;
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grid-gap: 10px;
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margin-top: 10px;
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2020-08-13 12:55:19 +00:00
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}
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2020-10-10 18:02:26 +00:00
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dt::after {
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content: ":";
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2020-09-16 17:47:01 +00:00
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}
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2020-08-13 12:55:19 +00:00
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</style>
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2020-06-29 19:21:56 +00:00
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</head>
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2020-08-13 12:55:19 +00:00
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2020-06-29 19:21:56 +00:00
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<body>
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2022-03-15 11:34:52 +00:00
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<tool-tip id="tool-tip" style="will-change: transform"></tool-tip>
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2020-11-26 14:07:19 +00:00
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2020-10-10 18:02:26 +00:00
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<section id="file-reader">
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<log-file-reader id="log-file-reader"></log-file-reader>
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</section>
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<section id="container" class="initial">
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<timeline-panel id="timeline-panel">
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2021-06-07 14:57:44 +00:00
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<timeline-track-tick id="tick-track" title="Samples"></timeline-track-tick>
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2021-06-28 19:46:31 +00:00
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<timeline-track-timer id="timer-track" title="Timers"></timeline-track-timer>
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2021-06-07 14:57:44 +00:00
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<timeline-track-map id="map-track" title="Map"></timeline-track-map>
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2020-12-07 08:44:54 +00:00
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<timeline-track id="ic-track" title="IC"></timeline-track>
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<timeline-track id="deopt-track" title="Deopt"></timeline-track>
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<timeline-track id="code-track" title="Code"></timeline-track>
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2020-10-10 18:02:26 +00:00
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</timeline-panel>
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2020-12-07 08:44:54 +00:00
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2020-10-19 16:48:36 +00:00
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<div class="panels">
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2021-06-15 11:19:00 +00:00
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<script-panel id="script-panel"></script-panel>
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<code-panel id="code-panel"></code-panel>
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2020-10-19 16:48:36 +00:00
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<map-panel id="map-panel"></map-panel>
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2020-12-09 08:01:26 +00:00
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<list-panel id="ic-list" title="IC List">
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2020-12-13 19:33:07 +00:00
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<div class="legend">
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2020-12-07 08:44:54 +00:00
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<h3>Legend</h3>
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<dl>
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<dt>0</dt>
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<dd>uninitialized</dd>
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<dt>X</dt>
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<dd>no feedback</dd>
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<dt>1</dt>
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<dd>monomorphic</dd>
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<dt>^</dt>
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<dd>recompute handler</dd>
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<dt>P</dt>
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<dd>polymorphic</dd>
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<dt>N</dt>
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<dd>megamorphic</dd>
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<dt>G</dt>
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<dd>generic</dd>
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</dl>
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</div>
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</list-panel>
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2020-12-09 08:01:26 +00:00
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<list-panel id="map-list" title="Map Events"></list-panel>
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<list-panel id="deopt-list" title="Deopt Events"></list-panel>
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<list-panel id="code-list" title="Code Events"></list-panel>
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2022-04-26 17:18:04 +00:00
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<profiler-panel id="profiler-panel"></profiler-panel>
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2020-08-28 04:18:59 +00:00
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</div>
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2020-10-10 18:02:26 +00:00
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</section>
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2020-10-19 16:48:36 +00:00
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<div class="panels">
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<section id="instructions" class="panel">
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<h2>Instructions</h2>
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2020-12-21 09:47:32 +00:00
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<div class="panelBody">
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<p>
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Unified web interface to analyse runtime information stored in the v8 log.
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</p>
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For generating a v8.log file from <a href="https://v8.dev/docs/build">d8</a>:
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<ul>
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<li>
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<code>/path/do/d8 $LOG_FLAGS $FILE</code>
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</li>
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</ul>
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For generating a v8.log file from Chrome:
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<ul>
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<li>
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<code>/path/to/chrome --user-data-dir=/var/tmp/chr$RANDOM --no-sandbox
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--js-flags='$LOG_FLAGS’
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$WEBSITE_URL</code>
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</li>
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</ul>
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<h3><code>LOG_FLAGS</code>:</h3>
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<dl class="d8-options">
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<dt>
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<a href="https://source.chromium.org/search?q=v8_flags.log_all">
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2020-12-21 09:47:32 +00:00
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<code>--log-all</code>
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</a>
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</dt>
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<dd>Enable all V8 logging options.</dd>
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<dt>
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<a href="https://source.chromium.org/search?q=v8_flags.trace_maps">
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2021-01-12 14:54:10 +00:00
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<code>--log-maps</code>
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2020-12-21 09:47:32 +00:00
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</a>
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</dt>
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<dd>
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2021-05-25 08:49:11 +00:00
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Log <a href="https://v8.dev/blog/fast-properties">Maps</a>
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2020-12-21 09:47:32 +00:00
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</dd>
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<dt>
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2022-10-13 14:17:31 +00:00
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<a href="https://source.chromium.org/search?q=v8_flags.log_ic">
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2021-01-12 14:54:10 +00:00
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<code>--log-ic</code>
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2020-12-21 09:47:32 +00:00
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</a>
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</dt>
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<dd>
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Log <a href="https://mathiasbynens.be/notes/shapes-ics">ICs</a>
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</dd>
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<dt>
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2022-10-13 14:17:31 +00:00
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<a href="https://source.chromium.org/search?q=v8_flags.log_source_code">
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2020-12-21 09:47:32 +00:00
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<code>--log-source-code</code>
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</a>
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</dt>
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<dd>Log source code</dd>
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<dt>
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2022-10-13 14:17:31 +00:00
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<a href="https://source.chromium.org/search?q=v8_flags.log_code_disassemble">
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2020-12-21 09:47:32 +00:00
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<code>--log-code-disassemble</code>
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</a>
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</dt>
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<dd>Log detailed generated generated code</dd>
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<dt>
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2022-10-13 14:17:31 +00:00
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<a href="https://source.chromium.org/search?q=v8_flags.log_code">
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2022-04-07 12:48:04 +00:00
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<code>--log-code</code>
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2020-12-21 09:47:32 +00:00
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</a>
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</dt>
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2021-01-12 14:54:10 +00:00
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<dd>Log details about deoptimized code</dd>
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<dt>
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2022-10-13 14:17:31 +00:00
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<a href="https://source.chromium.org/search?q=v8_flags.log_deopt">
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2021-01-12 14:54:10 +00:00
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<code>--log-deopt</code>
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</a>
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</dt>
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2020-12-21 09:47:32 +00:00
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<dd>Log various API uses.</dd>
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2021-06-15 15:22:17 +00:00
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<dt>
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2022-10-13 14:17:31 +00:00
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<a href="https://source.chromium.org/search?q=v8_flags.prof">
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2021-06-15 15:22:17 +00:00
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<code>--prof</code>
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</a>
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</dt>
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<dd>Log ticks from the sampling profiler.</dd>
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2020-12-21 09:47:32 +00:00
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</dl>
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2022-07-19 13:11:01 +00:00
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<h3>Local Symbol Server</h3>
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To get detailed C++ symbols for local binaries you can host the
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system-analyzer locally using <code>tools/system-analyzer/local-server.sh</code>.
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You can then access the analyzer on
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<a href="http://localhost:8000/system-analyzer/index.html">localhost</a>.
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2020-12-21 09:47:32 +00:00
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<h3>Keyboard Shortcuts for Navigation</h3>
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<dl>
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2022-11-08 11:23:52 +00:00
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<dt><kbd>CTRL</kbd> + <kbd>Mouse Move</kbd></dt>
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<dd>Show tooltips immediately</dd>
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2022-04-05 17:42:47 +00:00
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<dt><kbd>A</kbd></dt>
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<dd>Scroll left</dd>
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<dt><kbd>D</kbd></dt>
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2022-11-08 11:23:52 +00:00
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<dd>Scroll right</dd>
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2022-04-05 17:42:47 +00:00
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2020-12-21 09:47:32 +00:00
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<dt><kbd>SHIFT</kbd> + <kbd>Arrow Up</kbd></dt>
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<dd>Follow Map transition forward (first child)</dd>
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<dt><kbd>SHIFT</kbd> + <kbd>Arrow Down</kbd></dt>
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<dd>Follow Map transition backwards</dd>
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<dt><kbd>Arrow Up</kbd></dt>
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<dd>Go to previous Map chunk</dd>
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<dt><kbd>Arrow Down</kbd></dt>
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<dd>Go to next Map in chunk</dd>
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<dt><kbd>Arrow Left</kbd></dt>
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<dd>Go to previous chunk</dd>
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<dt><kbd>Arrow Right</kbd></dt>
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<dd>Go to next chunk</dd>
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<dt><kbd>+</kbd></dt>
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<dd>Timeline zoom in</dd>
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<dt><kbd>-</kbd></dt>
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<dd>Timeline zoom out</dd>
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</dl>
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</div>
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2020-10-19 16:48:36 +00:00
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</section>
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</div>
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2020-06-29 19:21:56 +00:00
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</body>
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</html>
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