[tools] Adding ICE, the IC-Explorer.
Is it frozen water? Is it a train? No, but it's both (relatively) fast and (relatively) cool, it's ICE, the IC-Explorer. Upload an IC trace and you can easily* drill-down on where most IC changes happen. It even comes with a colored title and runs in your favourite browser without dependencies (yeah, I'm looking at you JQuery!) *according to a user study with a random 1-person group. R=mvstanton@chromium.org BUG= Review URL: https://codereview.chromium.org/1618213003 Cr-Commit-Position: refs/heads/master@{#33467}
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tools/ICE.html
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300
tools/ICE.html
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<html>
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<head>
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<style>
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.entry-details {
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}
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.entry-details TD {
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}
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.details {
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width: 2em;
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border: 1px black dotted;
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}
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.count {
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text-align: right;
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width: 5em;
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font-family: monospace;
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}
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.percentage {
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text-align: right;
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width: 5em;
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font-family: monospace;
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}
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.key {
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padding-left: 1em;
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}
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</style>
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<script>
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"use strict"
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var entries = [];
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class Entry {
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constructor(id, line) {
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this.id = id;
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var parts = line.split(" ");
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this.isValid = false;
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if (parts[0][0] !== "[") return;
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if (parts[1] === "patching") return;
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this.type = parts[0].substr(1);
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this.category = "Other";
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if (this.type.indexOf("Store") !== -1) {
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this.category = "Store";
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} else if (this.type.indexOf("Load") !== -1) {
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this.category = "Load";
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}
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if (this.type.length == 0) return;
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if (this.type.indexOf('BinaryOpIC(') === 0) {
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this.type = "BinaryOpIC";
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this.isNative = parts[8] == "native"
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var offset = this.isNative ? 1 : 0;
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var split = parts[0].split('(');
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this.state = "(" + split[1] + " => " + parts[2];
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this.position = parts[6];
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this.file = parts[8 + offset];
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this.file = this.file.slice(0,-1);
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} else {
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this.position = parts[2];
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this.isNative = parts[4] == "native"
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var offset = this.isNative ? 1 : 0;
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this.file = parts[4 + offset];
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this.state = parts[5 + offset];
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if (this.type !== "CompareIC") {
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// if there is no address we have a smi key
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var address = parts[6 + offset];
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if (address !== undefined && address.indexOf("0x") === 0) {
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this.key = parts.slice(7 + offset).join(" ");
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} else {
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this.key = address;
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}
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}
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}
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this.filePosition = this.file + " " + this.position;
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this.isValid = true;
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if (this.key) {
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var isStringKey = false
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if (this.key.indexOf("<String[") === 0) {
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isStringKey = true;
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this.key = "\"" + this.key.slice(this.key.indexOf(']')+3);
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} else if (this.key.indexOf("<") === 0) {
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this.key = this.key.slice(1);
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}
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if (this.key.endsWith(">]")) {
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this.key = this.key.slice(0, -2);
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} else if (this.key.endsWith("]")) {
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this.key = this.key.slice(0, -1);
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}
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if (isStringKey) {
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this.key = this.key + "\"";
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}
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}
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}
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}
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function updateSize() {
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var files = document.getElementById("uploadInput").files;
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var file = files[0];
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var reader = new FileReader();
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reader.onload = function(evt) {
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entries = [];
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var end = this.result.length;
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var current = 0;
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var next = 0;
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var line;
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var i = 0;
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var entry;
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while (current < end) {
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next = this.result.indexOf("\n", current);
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if (next === -1) break;
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i++;
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line = this.result.substring(current, next);
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current = next+1;
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entry = new Entry(i, line);
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if (entry.isValid) entries.push(entry);
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}
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document.getElementById("count").innerHTML = i;
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updateTable();
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}
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reader.readAsText(file);
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initGroupKeySelect();
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}
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var properties = ['type', 'category', 'file', 'filePosition', 'state' , 'key', 'isNative']
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function groupBy(entries, property, subGroup) {
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var accumulator = {};
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accumulator.__proto__ = null;
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var length = entries.length;
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for (var i = 0; i < length; i++) {
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var entry = entries[i];
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var key = entry[property];
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if (accumulator[key] == undefined) {
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accumulator[key] = { key: key, count: 1, entries: [ entry ]};
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} else {
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var record = accumulator[key];
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if (record.entries == undefined) console.log([record, entry]);
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record.count ++;
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record.entries.push(entry)
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}
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}
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var result = []
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for (var key in accumulator) {
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var record = accumulator[key];
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record.percentage = Math.round(record.count / length * 100 * 100) / 100;
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if (subGroup) subGroupBy(record, property);
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result.push(record);
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}
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result.sort((a,b) => { return b.count - a.count });
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return result;
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}
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function subGroupBy(record, originalProperty) {
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record.groups = {};
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for (var i=0; i<properties.length; i++) {
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var property = properties[i];
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if (property == originalProperty) continue;
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record.groups[property] = groupBy(record.entries, property, false);
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}
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}
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function updateTable() {
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var select = document.getElementById("group-key");
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var key = select.options[select.selectedIndex].text;
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console.log(key);
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var tableBody = document.getElementById("table-body");
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removeAllChildren(tableBody);
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display(groupBy(entries, key, true), tableBody, true);
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}
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function selecedOption(node) {
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return node.options[node.selectedIndex]
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}
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function removeAllChildren(node) {
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while (node.firstChild) {
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node.removeChild(node.firstChild);
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}
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}
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function display(entries, parent, showDetails) {
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if (showDetails) {
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console.log(entries)
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}
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var fragment = document.createDocumentFragment();
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function td(tr, content, className) {
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var td = document.createElement("td");
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td.innerHTML = content;
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td.className = className
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tr.appendChild(td);
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return tr
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}
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function drillDown(entry, tr) {
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tr.id = "details-" + i;
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tr.className = "entry-details";
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tr.style.display = "none";
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tr.appendChild(document.createElement("td"));
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var td = document.createElement("td");
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td.colSpan = 3;
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for (var key in entry.groups) {
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td.appendChild(drillDownGroup(entry, key));
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}
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tr.appendChild(td);
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}
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function drillDownGroup(entry, key) {
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var group = entry.groups[key];
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var div = document.createElement("div")
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div.innerHTML = key;
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var table = document.createElement("table");
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display(group.slice(0, 20), table, false)
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div.appendChild(table);
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return div;
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}
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for (var i = 0; i<entries.length; i++) {
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var entry = entries[i];
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var tr = document.createElement("tr");
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tr.id = "row-" + i;
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tr.dataset.id = i;
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if (showDetails) {
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td(tr, '<span onclick="toggleDetails(this)">details</a>', 'details');
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}
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td(tr, entry.percentage +"%", 'percentage');
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td(tr, entry.count, 'count');
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td(tr, entry.key, 'key');
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fragment.appendChild(tr);
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if (showDetails) {
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tr = document.createElement("tr");
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drillDown(entry, tr);
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fragment.appendChild(tr);
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}
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}
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parent.appendChild(fragment);
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}
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function toggleDetails(node) {
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var tr = node.parentNode.parentNode;
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var id = 'details-'+tr.dataset.id;
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var details = document.getElementById(id);
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var display = details.style.display;
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if (display != "none") {
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display = "none";
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}else {
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display = "table-row"
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};
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details.style.display = display;
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}
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function initGroupKeySelect() {
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var select = document.getElementById("group-key");
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for (var i in properties) {
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var option = document.createElement("option");
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option.text = properties[i];
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select.add(option);
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}
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}
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</script>
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</head>
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<body>
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<h1>
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<span style="color: #00FF00">I</span>
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<span style="color: #FF00FF">C</span>
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<span style="color: #00FFFF">E</span>
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</h1>
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Your IC-Explorer.
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<h2>Usage</h2>
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Run your script with <code>--trace_ic</code> and upload on this page:<br/>
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<code>/path/to/d8 --trace_ic your_script.js > trace.txt</code>
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<h2>Data</h2>
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<form name="fileForm">
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<p>
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<input id="uploadInput" type="file" name="files" onchange="updateSize();" >
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trace entries: <span id="count">0</span>
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</p>
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</form>
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<h2>Result</h2>
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<p>
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Group-Key:
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<select id="group-key" onchange="updateTable()"></select>
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</p>
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<p>
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<table id="table" width="100%">
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<tbody id="table-body">
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</tbody>
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</table>
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</p>
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</body>
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</html>
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