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<!DOCTYPE html>
<!-- Copyright 2020 the V8 project authors. All rights reserved.
Use of this source code is governed by a BSD-style license that can be
found in the LICENSE file. -->
<html lang="en">
<head>
<meta charset="UTF-8">
<title>Indicium</title>
<link href='https://fonts.googleapis.com/css?family=Roboto' rel='stylesheet'>
<!-- <link rel="icon" type="image/png" href="/images/favicon.png"/> -->
<script type="module" src="index.mjs"></script>
<link rel="stylesheet" type="text/css" href="./index.css">
<style>
#instructions {
padding: 10px 10px 60px 10px;
margin: auto;
}
kbd {
background-color: var(--primary-color);
color: var(--on-primary-color);
border-radius: 3px;
border: 1px solid var(--on-primary-color);
display: inline-block;
font-size: .9em;
font-weight: bold;
padding: 0px 4px 2px 4px;
white-space: nowrap;
}
.theme-switch-wrapper {
display: inline-block;
align-items: center;
}
.theme-switch {
display: inline-block;
height: 34px;
position: relative;
width: 60px;
}
.theme-switch input {
display: none;
}
.slider {
background-color: var(--primary-color);
bottom: 0;
cursor: pointer;
left: 0;
position: absolute;
right: 0;
top: 0;
transition: .4s;
}
.slider:before {
background-color: var(--surface-color);
bottom: 4px;
content: "";
height: 26px;
left: 4px;
position: absolute;
transition: .4s;
width: 26px;
}
input:checked+.slider {
background-color: var(--primary-color);
}
input:checked+.slider:before {
transform: translateX(26px);
}
.slider.round {
border-radius: 34px;
}
.slider.round:before {
border-radius: 50%;
}
#container.initial {
display: none;
}
#container.loaded {
display: grid;
align-content: center;
grid-template-columns: repeat(auto-fit, minmax(400px, 800px));
grid-template-rows: repeat(auto-fit, minmax(400px, 800px));
grid-auto-flow: dense;
}
#container.loaded>#timeline-panel {
grid-column: span 2;
overflow: scroll;
}
a {
color: var(--primary-color);
}
a:hover {
color: var(--secondary-color);
}
</style>
<script type="module">
import { App } from './index.mjs';
globalThis.app = new App("#log-file-reader", "#map-panel",
"#timeline-panel", "#ic-panel", "#map-track", "#ic-track",
"#source-panel");
</script>
</head>
<body>
<div id="content">
<section id="file-reader">
<log-file-reader id="log-file-reader"></log-file-reader>
</section>
<div class="theme-switch-wrapper">
<label class="theme-switch" for="checkbox">
<input type="checkbox" id="checkbox" />
<div class="slider round"></div>
</label>
</div>
<div id="container" class="initial">
<timeline-panel id="timeline-panel">
<timeline-track id="map-track"></timeline-track>
<timeline-track id="ic-track"></timeline-track>
</timeline-panel>
<map-panel id="map-panel"></map-panel>
<ic-panel id="ic-panel" onchange="app.handleSelectIc(event)"></ic-panel>
<source-panel id="source-panel"></source-panel>
</div>
</div>
<div id="instructions">
<h2>Instructions</h2>
<p>
Unified web interface to analyse runtime information stored in the v8 log.
</p>
For generating log file from
<a href="https://v8.dev/docs/build" target="_blank">d8</a>:
<p>
Log Options:
</p>
<dl>
<dt>--trace-maps:</dt>
<dd>Log<a href="https://v8.dev/blog/fast-properties" target="_blank">
Maps</a></dd>
<dt>--trace_ic:</dt>
<dd>Log
<a href="https://mathiasbynens.be/notes/shapes-ics" target="_blank">
ICs</a></dd>
<dt>--log-source-code:</dt>
<dd>Log source code</dd>
</dl>
Usage:
<ul>
<li><code>/path/do/d8 --trace-maps --trace_ic --log-source-code $FILE
</code></li>
</ul>
For generating a log file from Chrome:
<ul>
<li><code>/path/to/chrome --user-data-dir=/var/tmp/chr1 --no-sandbox
--js-flags='--trace-ic --trace-maps --log-source-code’
$WEBSITE_URL</code></li>
</ul>
<h3>Keyboard Shortcuts for Navigation</h3>
<dl>
<dt><kbd>SHIFT</kbd> + <kbd>Arrow Up</kbd></dt>
<dd>Follow Map transition forward (first child)</dd>
<dt><kbd>SHIFT</kbd> + <kbd>Arrow Down</kbd></dt>
<dd>Follow Map transition backwards</dd>
<dt><kbd>Arrow Up</kbd></dt>
<dd>Go to previous Map chunk</dd>
<dt><kbd>Arrow Down</kbd></dt>
<dd>Go to next Map in chunk</dd>
<dt><kbd>Arrow Left</kbd></dt>
<dd>Go to previous chunk</dd>
<dt><kbd>Arrow Right</kbd></dt>
<dd>Go to next chunk</dd>
<dt><kbd>+</kbd></dt>
<dd>Timeline zoom in</dd>
<dt><kbd>-</kbd></dt>
<dd>Timeline zoom out</dd>
</dl>
</div>
</body>
</html>
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