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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>
.entry-details {}
.entry-details TD {}
.details {
width: 2em;
border: 1px black dotted;
}
.count {
text-align: right;
width: 5em;
font-family: monospace;
}
.percentage {
text-align: right;
width: 5em;
font-family: monospace;
}
.key {
padding-left: 1em;
}
.drilldown-group-title {
font-weight: bold;
padding: 0.5em 0 0.2em 0;
}
</style>
<script>
"use strict"
var entries = [];
class Entry {
constructor(id, line) {
this.id = id;
this.line = line;
var parts = line.split(" ");
if (parts.length < 6) return
this.isValid = false;
if (parts[0][0] !== "[") return;
if (parts[1] === "patching") return;
this.type = parts[0].substr(1);
this.category = "Other";
this.map = undefined;
if (this.type.indexOf("Store") !== -1) {
this.category = "Store";
} else if (this.type.indexOf("Load") !== -1) {
this.category = "Load";
}
if (this.type.length == 0) return;
if (this.type.indexOf('BinaryOpIC(') === 0) {
this.type = "BinaryOpIC";
var split = parts[0].split('(');
this.state = "(" + split[1] + " => " + parts[2];
var offset = this.parsePositionAndFile(parts, 6);
if (offset == -1) return
if (this.file === undefined) return
this.file = this.file.slice(0, -1);
} else {
var offset = this.parsePositionAndFile(parts, 2);
if (offset == -1) return
this.state = parts[++offset];
this.map = parts[offset + 1];
if (this.map !== undefined && this.map.startsWith("map=")) {
this.map = this.map.substring(4);
offset++;
} else {
this.map = undefined;
}
if (this.type !== "CompareIC") {
// if there is no address we have a smi key
var address = parts[++offset];
if (address !== undefined && address.indexOf("0x") === 0) {
this.key = parts.slice(++offset).join(" ");
} else {
this.key = address;
}
}
}
this.filePosition = this.file + " " + this.position;
if (this.key) {
var isStringKey = false
if (this.key.indexOf("<String[") === 0) {
isStringKey = true;
this.key = "\"" + this.key.slice(this.key.indexOf(']') + 3);
} else if (this.key.indexOf("<") === 0) {
this.key = this.key.slice(1);
}
if (this.key.endsWith(">]")) {
this.key = this.key.slice(0, -2);
} else if (this.key.endsWith("]")) {
this.key = this.key.slice(0, -1);
}
if (isStringKey) {
this.key = this.key + "\"";
}
}
this.isValid = true;
}
parsePositionAndFile(parts, start) {
// find the position of 'at' in the parts array.
var offset = start;
for (var 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() {
var files = document.getElementById("uploadInput").files;
var file = files[0];
var reader = new FileReader();
reader.onload = function(evt) {
entries = [];
var end = this.result.length;
var current = 0;
var next = 0;
var line;
var i = 0;
var entry;
while (current < end) {
next = this.result.indexOf("\n", current);
if (next === -1) break;
i++;
line = this.result.substring(current, next);
current = next + 1;
entry = new Entry(i, line);
if (entry.isValid) entries.push(entry);
}
document.getElementById("count").innerHTML = i;
updateTable();
}
reader.readAsText(file);
initGroupKeySelect();
}
var properties = ['type', 'category', 'file', 'filePosition', 'state',
'key', 'isNative', 'map'
]
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 (var i = 0; i < properties.length; i++) {
var subProperty = properties[i];
if (this.property == subProperty) continue;
this.groups[subProperty] = groupBy(this.entries, subProperty);
}
}
}
function groupBy(entries, property) {
var accumulator = {};
accumulator.__proto__ = null;
var length = entries.length;
for (var i = 0; i < length; i++) {
var entry = entries[i];
var key = entry[property];
if (accumulator[key] == undefined) {
accumulator[key] = new Group(property, key, entry)
} else {
var group = accumulator[key];
if (group.entries == undefined) console.log([group, entry]);
group.add(entry)
}
}
var result = []
for (var key in accumulator) {
var 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 updateTable() {
var select = document.getElementById("group-key");
var key = select.options[select.selectedIndex].text;
console.log(key);
var tableBody = document.getElementById("table-body");
removeAllChildren(tableBody);
var 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) {
var fragment = document.createDocumentFragment();
function td(tr, content, className) {
var td = document.createElement("td");
td.innerHTML = content;
td.className = className
tr.appendChild(td);
return td
}
var max = Math.min(1000, entries.length)
for (var i = 0; i < max; i++) {
var entry = entries[i];
var tr = document.createElement("tr");
tr.entry = entry;
td(tr, '<span onclick="toggleDetails(this)">details</a>', 'details');
td(tr, entry.percentage + "%", 'percentage');
td(tr, entry.count, 'count');
td(tr, escapeHtml(entry.key), 'key');
fragment.appendChild(tr);
}
var omitted = entries.length - max;
if (omitted > 0) {
var tr = document.createElement("tr");
var td = td(tr, 'Omitted ' + omitted + " entries.");
td.colSpan = 4;
fragment.appendChild(tr);
}
parent.appendChild(fragment);
}
function displayDrilldown(entry, previousSibling) {
var tr = document.createElement('tr');
tr.className = "entry-details";
tr.style.display = "none";
// indent by one td.
tr.appendChild(document.createElement("td"));
var td = document.createElement("td");
td.colSpan = 3;
for (var 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) {
var max = 20;
var group = entry.groups[key];
var div = document.createElement("div")
div.className = 'drilldown-group-title'
div.innerHTML = key + ' [top ' + max + ' out of ' + group.length + ']';
var table = document.createElement("table");
display(group.slice(0, max), table, false)
div.appendChild(table);
return div;
}
function toggleDetails(node) {
var tr = node.parentNode.parentNode;
var entry = tr.entry;
// Create subgroup in-place if the don't exist yet.
if (entry.groups === undefined) {
entry.createSubGroups();
displayDrilldown(entry, tr);
}
var details = tr.nextSibling;
var display = details.style.display;
if (display != "none") {
display = "none";
} else {
display = "table-row"
};
details.style.display = display;
}
function initGroupKeySelect() {
var select = document.getElementById("group-key");
for (var i in properties) {
var option = document.createElement("option");
option.text = properties[i];
select.add(option);
}
}
</script>
</head>
<body>
<h1>
<span style="color: #00FF00">I</span>
<span style="color: #FF00FF">C</span>
<span style="color: #00FFFF">E</span>
</h1> Your IC-Explorer.
<h2>Usage</h2> Run your script with <code>--trace_ic</code> and upload on this page:<br/>
<code>/path/to/d8 --trace_ic your_script.js > trace.txt</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>
|
