index.html
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<!DOCTYPE html>
<html>
<head>
<script src="https://cdnjs.cloudflare.com/ajax/libs/Chart.js/2.2.1/Chart.bundle.min.js"></script>
<script src="https://cdnjs.cloudflare.com/ajax/libs/socket.io/1.4.5/socket.io.min.js"></script>
</head>
<body>
<div style="width: 400px; margin: auto">
<canvas id="myChart" width="400" height="200"></canvas>
</div>
<script>
var socket = io('http://localhost:41338');
var labels = [0];
var dataset = [{
label: 'CPU Usage in %',
data: [0],
lineTension: 0,
pointRadius: 0
}];
var ctx = document.getElementById("myChart");
var myChart = new Chart(ctx, {
type: 'line',
data: {
labels: labels,
datasets: dataset,
},
options: {
scales: {
yAxes: [{
ticks: {
beginAtZero: true
}
}],
},
tooltips: {
enabled: false
}
}
});
socket.on('stats', function (data) {
console.log(data);
labels = data.osStats.map((point) => point.timestamp);
dataset[0].data = data.osStats.map((point) => point.cpu);
myChart.data.datasets[0].data.push(data.osStats[data.osStats.length - 1].cpu);
myChart.data.labels.push(data.osStats[data.osStats.length - 1].timestamp);
myChart.update();
});
</script>
</body>
</html>