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<html>
<head>
<meta charset="UTF-8">
<style type="text/css">
div.histo {
visibility: hidden
}
</style>
<!--Load the AJAX API-->
<script type="text/javascript" src="https://www.google.com/jsapi"></script>
<script type="text/javascript">
(function() {
var out$ = typeof exports != 'undefined' && exports || this;
var doctype = '<?xml version="1.0" standalone="no"?><!DOCTYPE svg PUBLIC "-//W3C//DTD SVG 1.1//EN" "http://www.w3.org/Graphics/SVG/1.1/DTD/svg11.dtd">';
function inlineImages(callback) {
var images = document.querySelectorAll('svg image');
var left = images.length;
if (left == 0) {
callback();
}
for (var i = 0; i < images.length; i++) {
(function(image) {
if (image.getAttribute('xlink:href')) {
var href = image.getAttribute('xlink:href').value;
if (/^http/.test(href) && !(new RegExp('^' + window.location.host).test(href))) {
throw new Error("Cannot render embedded images linking to external hosts.");
}
}
var canvas = document.createElement('canvas');
var ctx = canvas.getContext('2d');
var img = new Image();
img.src = image.getAttribute('xlink:href');
img.onload = function() {
canvas.width = img.width;
canvas.height = img.height;
ctx.drawImage(img, 0, 0);
image.setAttribute('xlink:href', canvas.toDataURL('image/png'));
left--;
if (left == 0) {
callback();
}
}
})(images[i]);
}
}
function styles(dom) {
var css = "";
var sheets = document.styleSheets;
for (var i = 0; i < sheets.length; i++) {
var rules = sheets[i].cssRules;
if (rules != null) {
for (var j = 0; j < rules.length; j++) {
var rule = rules[j];
if (typeof(rule.style) != "undefined") {
css += rule.selectorText + " { " + rule.style.cssText + " }\n";
}
}
}
}
var s = document.createElement('style');
s.setAttribute('type', 'text/css');
s.innerHTML = "<![CDATA[\n" + css + "\n]]>";
var defs = document.createElement('defs');
defs.appendChild(s);
return defs;
}
out$.svgAsDataUri = function(el, scaleFactor, cb) {
scaleFactor = scaleFactor || 1;
inlineImages(function() {
var outer = document.createElement("div");
var clone = el.cloneNode(true);
var width = parseInt(
clone.getAttribute('width')
|| clone.style.width
|| out$.getComputedStyle(el).getPropertyValue('width')
);
var height = parseInt(
clone.getAttribute('height')
|| clone.style.height
|| out$.getComputedStyle(el).getPropertyValue('height')
);
var xmlns = "http://www.w3.org/2000/xmlns/";
clone.setAttribute("version", "1.1");
clone.setAttributeNS(xmlns, "xmlns", "http://www.w3.org/2000/svg");
clone.setAttributeNS(xmlns, "xmlns:xlink", "http://www.w3.org/1999/xlink");
clone.setAttribute("width", width * scaleFactor);
clone.setAttribute("height", height * scaleFactor);
clone.setAttribute("viewBox", "0 0 " + width + " " + height);
outer.appendChild(clone);
clone.insertBefore(styles(clone), clone.firstChild);
var svg = doctype + outer.innerHTML;
var uri = 'data:image/svg+xml;base64,' + window.btoa(unescape(encodeURIComponent(svg)));
if (cb) {
cb(uri);
}
});
}
out$.saveSvgAsPng = function(el, name, scaleFactor) {
out$.svgAsDataUri(el, scaleFactor, function(uri) {
var image = new Image();
image.src = uri;
image.onload = function() {
var canvas = document.createElement('canvas');
canvas.width = image.width;
canvas.height = image.height;
var context = canvas.getContext('2d');
context.drawImage(image, 0, 0);
var a = document.createElement('a');
a.download = name;
a.href = canvas.toDataURL('image/png');
document.body.appendChild(a);
a.click();
}
});
}
})();
</script>
<script type="text/javascript">
if (window.File && window.FileReader && window.FileList && window.Blob) {
// Great success! All the File APIs are supported.
} else {
alert('The File APIs are not fully supported in this browser.');
}
// Load the Visualization API and the piechart package.
google.load('visualization', '1.0', {'packages':['corechart']});
// Global data series
var dataSeries_g = [];
function drawChart() {
if (dataSeries_g.length == 0) {
return;
}
var data = google.visualization.arrayToDataTable(dataSeries_g);
var ticks =
[{v:1,f:'0%'},
{v:10,f:'90%'},
{v:100,f:'99%'},
{v:1000,f:'99.9%'},
{v:10000,f:'99.99%'},
{v:100000,f:'99.999%'},
{v:1000000,f:'99.9999%'}];
var options = {
title: 'Histogram',
width: 800,
height: 480,
hAxis: {title: 'Percentile', minValue: 0, logScale: true, ticks:ticks },
vAxis: {title: 'Latency (µs)', minValue: 0 },
legend: {position: 'bottom'}
};
var chart = new google.visualization.LineChart(document.getElementById('chart_div'));
// add tooptips with correct percentile text to data:
var columns = [0];
for (var i = 1; i < data.getNumberOfColumns(); i++) {
columns.push(i);
columns.push({
type: 'string',
properties: {
role: 'tooltip'
},
calc: (function (j) {
return function (dt, row) {
var percentile = 100.0 - (100.0/dt.getValue(row, 0));
return dt.getColumnLabel(j) + ': ' +
percentile.toPrecision(6) +
'\%\'ile = ' + dt.getValue(row, j) + ' usec'
}
})(i)
});
}
var view = new google.visualization.DataView(data);
view.setColumns(columns);
chart.draw(view, options);
}
</script>
<script type="text/javascript">
function appendDataSeries(histo, name, dataSeries) {
var series;
var seriesCount;
if (dataSeries.length == 0) {
series = [ ['X', name] ];
seriesCount = 1;
} else {
series = dataSeries;
series[0].push(name);
seriesCount = series[0].length - 1;
}
var lines = histo.split("\n");
var seriesIndex = 1;
for (var i = 0; i < lines.length; i++) {
var line = lines[i].trim();
var values = line.trim().split(/[ ]+/);
if (line[0] != '#' && values.length == 4) {
var y = parseFloat(values[0]);
var x = parseFloat(values[3]);
if (!isNaN(x) && !isNaN(y)) {
if (seriesIndex >= series.length) {
series.push([x]);
}
while (series[seriesIndex].length < seriesCount) {
series[seriesIndex].push(null);
}
series[seriesIndex].push(y);
seriesIndex++;
}
}
}
while (seriesIndex < series.length) {
series[seriesIndex].push(null);
seriesIndex++;
}
return series;
}
function loadFile(event) {
var files = event.target.files;
for (var i = 0, f; f = files[i]; i++) {
var reader = new FileReader();
reader.onload = (function(theFile) {
return function(e) {
var data = e.target.result;
dataSeries_g = appendDataSeries(data, theFile.name, dataSeries_g);
drawChart();
};
})(f);
reader.readAsText(f);
}
}
function doExport(event) {
saveSvgAsPng(document.querySelector('svg'), 'Histogram');
}
</script>
</head>
<body>
<!--Div that will hold the pie chart-->
<div id="chart_div">Please select a histogram file</div>
<input type='file' onchange='loadFile(event)' multiple>
<button type='button' onclick='doExport(event)'>Export Image</button>
</body>
</html>
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