144 lines
3.8 KiB
HTML
144 lines
3.8 KiB
HTML
<!DOCTYPE html>
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<!--
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* Copyright (c) 2012 The Chromium Authors. All rights reserved. Use of this
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* source code is governed by a BSD-style license that can be found in the
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* LICENSE file.
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-->
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<html>
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<head>
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<title>Device Stats Monitor</title>
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<script type="text/javascript" src="http://www.google.com/jsapi"></script>
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<style>
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body {
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font-family: sans-serif
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}
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</style>
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</head>
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<body>
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<h2>Device Stats Monitor</h2>
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<ul>
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<li>Pass path to trace data via the <code>results</code> querystring param.
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<li>Combine charts with the <code>combine</code> querystring param (e.g. <code>&combine=sectors_read,sectors_written</code>).
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<li>Use <code>stacked=true</code> to stack combined charts instead of overlaying (default).
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</ul>
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</body>
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<script>
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google.load("visualization", "1", {packages:["corechart"]});
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/**
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* @returns The querystring param value for |name| or an empty string.
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*/
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function getQuerystringParam(name) {
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name = name.replace(/[\[]/, "\\\[").replace(/[\]]/, "\\\]");
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var regexS = "[\\?&]" + name + "=([^&#]*)";
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var regex = new RegExp(regexS);
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var results = regex.exec(window.location.search);
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if (results == null)
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return "";
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else
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return decodeURIComponent(results[1].replace(/\+/g, " "));
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}
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/**
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* @returns An array of keys in |obj| sorted by value.
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*/
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function sortedKeys(obj) {
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var keys = [];
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for (var key in obj) {
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keys.push(key);
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}
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keys.sort();
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return keys;
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}
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/**
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* Removes by value all params from array.
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*/
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Array.prototype.remove = function() {
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var what, a = arguments, l = a.length, ax;
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while (l && this.length) {
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what = a[--l];
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while ((ax = this.indexOf(what)) != -1) {
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this.splice(ax, 1);
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}
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}
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return this;
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}
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/**
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* Displays a new chart.
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*
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* @param {Number} hz Number of sample per second of the data.
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* @param {String} name Name to display on top of chart.
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* @param {Number[][]} values Array of value arrays to display.
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* @param {Boolean} stacked Whether to display values as stacked.
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*/
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function displayChart(hz, name, values, units, stacked) {
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var data = new google.visualization.DataTable();
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data.addColumn('number', 'ms');
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var names = name.split(',');
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for (var i = 0; i < names.length; i++) {
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data.addColumn('number', names[i]);
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}
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var rows = [];
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var interval = 1000.0 / hz;
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for (var i = 0; i < values[0].length; i++) {
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var row = [i*interval];
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for (var j = 0; j < values.length; j++) {
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row.push(values[j][i]);
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}
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rows.push(row);
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}
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data.addRows(rows);
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var options = {
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hAxis: {title: 'ms (' + hz + 'hz)'},
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isStacked: stacked,
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legend: {position: 'top'},
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vAxis: {title: units},
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};
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var elem = document.createElement('DIV');
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elem.style = 'width:100%;height:500px';
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document.body.appendChild(elem);
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var chart = new google.visualization.AreaChart(elem);
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chart.draw(data, options);
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}
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/**
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* Displays all charts.
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*
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* Invoked by the results script. JSONP is used to avoid security
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* restrictions on XHRs for file:// URLs.
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*/
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function display(hz, results, units) {
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var combine = getQuerystringParam('combine');
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var keys = sortedKeys(results);
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for (var i = 0; i < keys.length; i++) {
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var key = keys[i];
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var name = key;
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var values = [results[key]];
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var unit = units[key];
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if (combine.indexOf(key) >= 0) {
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i--;
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name = combine;
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values = [];
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var combined_keys = combine.split(',');
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for (var j = 0; j < combined_keys.length; j++) {
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values.push(results[combined_keys[j]]);
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keys.remove(combined_keys[j]);
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}
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}
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displayChart(hz, name, values, unit, !!getQuerystringParam('stacked'));
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}
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}
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var resultsPath = getQuerystringParam('results');
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if (resultsPath)
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document.write("<script src='" + resultsPath + "'></"+"script>");
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else
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document.write("Please specify results querystring param.");
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</script>
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</html>
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