y <a href='https://github.com/jvm-profiling-tools/async-profiler'>async-profiler</a></header>
<canvas id='canvas' style='width: 100%; height: 80px'></canvas>
<div id='hl'><span></span></div>
<p id='match'>Matched: <span id='matchval'></span> <span id='reset' title='Clear'>&#x274c;</span></p>
<p id='status'>&nbsp;</p>
<script>
	// Copyright 2020 Andrei Pangin
	// Licensed under the Apache License, Version 2.0.
	'use strict';
	var root, rootLevel, px, pattern;
	var reverse = false;
	const levels = Array(5);
	