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<html>
<!--
Copyright 2016 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.
-->
<head>
<style>
html {
font-family: monospace;
}
.entry-details {}
.entry-details TD {}
.details {
width: 0.1em;
}
.details span {
padding: 0 0.4em 0 0.4em;
background-color: black;
color: white;
border-radius: 25px;
text-align: center;
cursor: -webkit-zoom-in;
}
.count {
text-align: right;
width: 5em;
}
.percentage {
text-align: right;
width: 5em;
}
.key {
padding-left: 1em;
}
.drilldown-group-title {
font-weight: bold;
padding: 0.5em 0 0.2em 0;
}
</style>
<script src="./splaytree.js" type="text/javascript"></script>
<script src="./codemap.js" type="text/javascript"></script>
<script src="./csvparser.js" type="text/javascript"></script>
<script src="./consarray.js" type="text/javascript"></script>
<script src="./profile.js" type="text/javascript"></script>
<script src="./profile_view.js" type="text/javascript"></script>
<script src="./logreader.js" type="text/javascript"></script>
<script src="./arguments.js" type="text/javascript"></script>
<script src="./ic-processor.js" type="text/javascript"></script>
<script src="./SourceMap.js" type="text/javascript"></script>
<script>
"use strict"
let entries = [];
let properties = ['type', 'category', 'functionName', 'filePosition',
'state', 'key', 'map', 'reason', 'file',
];
// For compatibility with console scripts:
print = console.log;
class CustomIcProcessor extends IcProcessor {
constructor() {
super();
this.entries = [];
}
functionName(pc) {
let entry = this.profile_.findEntry(pc);
return this.formatName(entry);
}
processPropertyIC(type, pc, line, column, old_state, new_state, map, key,
modifier, slow_reason) {
let fnName = this.functionName(pc);
this.entries.push(new Entry(type, fnName, line, column, key,
old_state, new_state, map, slow_reason));
}
};
class Entry {
constructor(type, fn_file, line, column, key, oldState, newState,
map, reason, additional) {
this.type = type;
this.category = "other";
if (this.type.indexOf("Store") !== -1) {
this.category = "Store";
} else if (this.type.indexOf("Load") !== -1) {
this.category = "Load";
}
let parts = fn_file.split(" ");
this.functionName = parts[0];
this.file = parts[1];
let position = line + ":" + column;
this.filePosition = this.file + ":" + position;
this.oldState = oldState;
this.newState = newState;
this.state = this.oldState + " → " + this.newState;
this.key = key;
this.map = map.toString(16);
this.reason = reason;
this.additional = additional;
}
parseMapProperties(parts, offset) {
let next = parts[++offset];
if (!next.startsWith('dict')) return offset;
this.propertiesMode =
next.substr(5) == "0" ? "fast" : "slow";
this.numberOfOwnProperties = parts[++offset].substr(4);
next = parts[++offset];
this.instanceType = next.substr(5, next.length - 6);
return offset;
}
parsePositionAndFile(parts, start) {
// find the position of 'at' in the parts array.
let offset = start;
for (let i = start + 1; i < parts.length; i++) {
offset++;
if (parts[i] == 'at') break;
}
if (parts[offset] !== 'at') return -1;
this.position = parts.slice(start, offset).join(' ');
offset += 1;
this.isNative = parts[offset] == "native"
offset += this.isNative ? 1 : 0;
this.file = parts[offset];
return offset;
}
}
function loadFile() {
let files = document.getElementById("uploadInput").files;
let file = files[0];
let reader = new FileReader();
reader.onload = function(evt) {
let icProcessor = new CustomIcProcessor();
icProcessor.processString(this.result);
entries = icProcessor.entries;
document.getElementById("count").innerHTML = entries.length;
updateTable();
}
reader.readAsText(file);
initGroupKeySelect();
}
class Group {
constructor(property, key, entry) {
this.property = property;
this.key = key;
this.count = 1;
this.entries = [entry];
this.percentage = undefined;
this.groups = undefined;
}
add(entry) {
this.count++;
this.entries.push(entry)
}
createSubGroups() {
this.groups = {};
for (let i = 0; i < properties.length; i++) {
let subProperty = properties[i];
if (this.property == subProperty) continue;
this.groups[subProperty] = groupBy(this.entries, subProperty);
}
}
}
function groupBy(entries, property) {
let accumulator = Object.create(null);
let length = entries.length;
for (let i = 0; i < length; i++) {
let entry = entries[i];
let key = entry[property];
if (accumulator[key] == undefined) {
accumulator[key] = new Group(property, key, entry)
} else {
let group = accumulator[key];
if (group.entries == undefined) console.log([group, entry]);
group.add(entry)
}
}
let result = []
for (let key in accumulator) {
let group = accumulator[key];
group.percentage = Math.round(group.count / length * 100 * 100) / 100;
result.push(group);
}
result.sort((a, b) => {
return b.count - a.count
});
return result;
}
function escapeHtml(unsafe) {
if (!unsafe) return "";
return unsafe.toString()
.replace(/&/g, "&")
.replace(/</g, "<")
.replace(/>/g, ">")
.replace(/"/g, """)
.replace(/'/g, "'");
}
function processValue(unsafe) {
if (!unsafe) return "";
if (!unsafe.startsWith("http")) return escapeHtml(unsafe);
let a = document.createElement("a");
a.href = unsafe;
a.textContent = unsafe;
return a;
}
function updateTable() {
let select = document.getElementById("group-key");
let key = select.options[select.selectedIndex].text;
let tableBody = document.getElementById("table-body");
removeAllChildren(tableBody);
let groups = groupBy(entries, key, true);
display(groups, tableBody);
}
function selecedOption(node) {
return node.options[node.selectedIndex]
}
function removeAllChildren(node) {
while (node.firstChild) {
node.removeChild(node.firstChild);
}
}
function display(entries, parent) {
let fragment = document.createDocumentFragment();
function td(tr, content, className) {
let node = document.createElement("td");
if (typeof content == "object") {
node.appendChild(content);
} else {
node.innerHTML = content;
}
node.className = className
tr.appendChild(node);
return node
}
let max = Math.min(1000, entries.length)
for (let i = 0; i < max; i++) {
let entry = entries[i];
let tr = document.createElement("tr");
tr.entry = entry;
td(tr, '<span onclick="toggleDetails(this)">ℹ</a>', 'details');
td(tr, entry.percentage + "%", 'percentage');
td(tr, entry.count, 'count');
td(tr, processValue(entry.key), 'key');
fragment.appendChild(tr);
}
let omitted = entries.length - max;
if (omitted > 0) {
let tr = document.createElement("tr");
let tdNode = td(tr, 'Omitted ' + omitted + " entries.");
tdNode.colSpan = 4;
fragment.appendChild(tr);
}
parent.appendChild(fragment);
}
function displayDrilldown(entry, previousSibling) {
let tr = document.createElement('tr');
tr.className = "entry-details";
tr.style.display = "none";
// indent by one td.
tr.appendChild(document.createElement("td"));
let td = document.createElement("td");
td.colSpan = 3;
for (let key in entry.groups) {
td.appendChild(displayDrilldownGroup(entry, key));
}
tr.appendChild(td);
// Append the new TR after previousSibling.
previousSibling.parentNode.insertBefore(tr, previousSibling.nextSibling)
}
function displayDrilldownGroup(entry, key) {
let max = 20;
let group = entry.groups[key];
let div = document.createElement("div")
div.className = 'drilldown-group-title'
div.textContent = key + ' [top ' + max + ' out of ' + group.length + ']';
let table = document.createElement("table");
display(group.slice(0, max), table, false)
div.appendChild(table);
return div;
}
function toggleDetails(node) {
let tr = node.parentNode.parentNode;
let entry = tr.entry;
// Create subgroup in-place if the don't exist yet.
if (entry.groups === undefined) {
entry.createSubGroups();
displayDrilldown(entry, tr);
}
let details = tr.nextSibling;
let display = details.style.display;
if (display != "none") {
display = "none";
} else {
display = "table-row"
};
details.style.display = display;
}
function initGroupKeySelect() {
let select = document.getElementById("group-key");
for (let i in properties) {
let option = document.createElement("option");
option.text = properties[i];
select.add(option);
}
}
function handleOnLoad() {
document.querySelector("#uploadInput").focus();
}
</script>
</head>
<body onload="handleOnLoad()">
<h1>
<span style="color: #00FF00">I</span>
<span style="color: #FF00FF">C</span>
<span style="color: #00FFFF">E</span>
</h1> Your IC-Explorer.
<div id="legend" style="padding-right: 200px">
<div style="float:right; border-style: solid; border-width: 1px; padding:20px">
0 uninitialized<br>
. premonomorphic<br>
1 monomorphic<br>
^ recompute handler<br>
P polymorphic<br>
N megamorphic<br>
G generic
</div>
</div>
<h2>Usage</h2> Run your script with <code>--trace_ic</code> and upload <code>v8.log</code> on this page:<br/>
<code>/path/to/d8 --trace_ic your_script.js</code>
<h2>Data</h2>
<form name="fileForm">
<p>
<input id="uploadInput" type="file" name="files" onchange="loadFile();"> trace entries: <span id="count">0</span>
</p>
</form>
<h2>Result</h2>
<p>
Group-Key:
<select id="group-key" onchange="updateTable()"></select>
</p>
<p>
<table id="table" width="100%">
<tbody id="table-body">
</tbody>
</table>
</p>
</body>
</html>
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