test/sample-compare.html - echarts - Git at Google


 <!--
 Licensed to the Apache Software Foundation (ASF) under one
 or more contributor license agreements.  See the NOTICE file
 distributed with this work for additional information
 regarding copyright ownership.  The ASF licenses this file
 to you under the Apache License, Version 2.0 (the
 "License"); you may not use this file except in compliance
 with the License.  You may obtain a copy of the License at

    http://www.apache.org/licenses/LICENSE-2.0

 Unless required by applicable law or agreed to in writing,
 software distributed under the License is distributed on an
 "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
 KIND, either express or implied.  See the License for the
 specific language governing permissions and limitations
 under the License.
 -->
 <!doctype html>
 <html>
 	<head>
 		<meta charset='utf-8'>
 		<title>Downsample Comparasions</title>
 		<meta name='viewport' content='width=device-width, initial-scale=1'>
 	</head>
 	<body>
 		<style>
 			.chart {
 				width: 800px;
 				height: 400px;
 			}
 		</style>
 		<h2 id='status'>Loading lib....</h2>
 		<div id='container'></div>

         <script src='lib/simpleRequire.js'></script>
         <script src='lib/config.js'></script>
 		<script>
             require([
                 'echarts',
 				'data/large-data.json'
             ], function (echarts, packedData) {
 					function round2(val) {
 						return Math.round(val * 100) / 100;
 					}

 					function round3(val) {
 						return Math.round(val * 1000) / 1000;
 					}

 					function prepData(packed) {
 						console.time('prep');

 						// epoch,idl,recv,send,read,writ,used,free

 						var numFields = packed[0];
 						packed = packed.slice(numFields + 1);

 						var repeatTimes = 5;

 						var data = new Float64Array((packed.length / numFields) * 4 * repeatTimes);

 						var off = 0;
 						var date = packed[0];
 						for (let repeat = 0; repeat < repeatTimes; repeat++) {
 							for (let i = 0, j = 0; i < packed.length; i += numFields, j++) {
 								date += 1;
 								data[off++] = date * 60 * 1000;
 								data[off++] = round3(100 - packed[i + 1]);
 								data[off++] = round2(
 									(100 * packed[i + 5]) / (packed[i + 5] + packed[i + 6])
 								);
 								data[off++] = packed[i + 3];
 							}
 						}
 						console.timeEnd('prep');

 						return data;
 					}

 					function makeChart(data, title, sampling) {
 						var container = document.getElementById('container');
 						var dom = document.createElement('div');
 						var titleDom = document.createElement('h3');
 						dom.classList.add('chart');
 						if (title !== 'warmup') {
 							container.appendChild(titleDom);
 							container.appendChild(dom);
 						}
 						var myChart = echarts.init(dom, null, {
 							width: 800,
 							height: 400
 						});

 						titleDom.innerHTML = title;

 						let opts = {
 							animation: false,
 							dataset: {
 								source: data,
 								dimensions: ['date', 'cpu', 'ram', 'tcpout']
 							},
 							tooltip: {
 								trigger: 'axis'
 							},
 							legend: {},
 							grid: {
 								containLabel: true,
 								left: 0,
 								top: 50,
 								right: 0,
 								bottom: 30
 							},
 							xAxis: {
 								type: 'time'
 							},
 							yAxis: [{
 								type: 'value',
 								max: 100,
 								axisLabel: {
 									formatter: '{value} %'
 								}
 							}, {
 								type: 'value',
 								max: 100,
 								axisLabel: {
 									formatter: '{value} MB'
 								}
 							}],
 							series: [{
 								name: 'CPU',
 								type: 'line',
 								showSymbol: false,
 								sampling: sampling,
 								lineStyle: { width: 1 },
 								emphasis: { lineStyle: { width: 1 } },
 								encode: {
 									x: 'date',
 									y: 'cpu'
 								}
 							}, {
 								name: 'RAM',
 								type: 'line',
 								yAxisIndex: 1,
 								showSymbol: false,
 								sampling: sampling,
 								lineStyle: { width: 1 },
 								emphasis: { lineStyle: { width: 1 } },
 								encode: {
 									x: 'date',
 									y: 'ram'
 								}
 							}, {
 								name: 'TCP Out',
 								type: 'line',
 								yAxisIndex: 1,
 								showSymbol: false,
 								sampling: sampling,
 								lineStyle: { width: 1 },
 								emphasis: { lineStyle: { width: 1 } },
 								encode: {
 									x: 'date',
 									y: 'tcpout'
 								}
 							}]
 						};
 						const startTime = Date.now();
 						myChart.setOption(opts, {
 							notMerge: true
 						});
 						const endTime = Date.now();
 						titleDom.innerHTML = `${title}(${data.length / 4 * 3}) ${(endTime - startTime).toFixed(0)} ms`;
 					}
 					let status = document.getElementById('status');

 					status.textContent = 'Warming up';
 					let data = prepData(packedData);

 					for (let i = 0; i < 5; i++) {
 						makeChart(data, 'warmup');
 						makeChart(data, 'warmup', 'lttb');
 						makeChart(data, 'warmup', 'average');
 						makeChart(data, 'warmup', 'max');
 					}
 					status.textContent = 'Running';
 					makeChart(data, 'No Sampling', null);
 					setTimeout(() => makeChart(data, 'LTTB Sampling', 'lttb'), 200);
 					setTimeout(() => makeChart(data, 'Max Sampling', 'max'), 400);
 					setTimeout(() => makeChart(data, 'Average Sampling', 'average'), 600);
       });
 		</script>
 	</body>
 </html>

	<!--
	Licensed to the Apache Software Foundation (ASF) under one
	or more contributor license agreements. See the NOTICE file
	distributed with this work for additional information
	regarding copyright ownership. The ASF licenses this file
	to you under the Apache License, Version 2.0 (the
	"License"); you may not use this file except in compliance
	with the License. You may obtain a copy of the License at

	http://www.apache.org/licenses/LICENSE-2.0

	Unless required by applicable law or agreed to in writing,
	software distributed under the License is distributed on an
	"AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
	KIND, either express or implied. See the License for the
	specific language governing permissions and limitations
	under the License.
	-->
	<!doctype html>
	<html>
	<head>
	<meta charset='utf-8'>
	<title>Downsample Comparasions</title>
	<meta name='viewport' content='width=device-width, initial-scale=1'>
	</head>
	<body>
	<style>
	.chart {
	width: 800px;
	height: 400px;
	}
	</style>
	<h2 id='status'>Loading lib....</h2>
	<div id='container'></div>

	<script src='lib/simpleRequire.js'></script>
	<script src='lib/config.js'></script>
	<script>
	require([
	'echarts',
	'data/large-data.json'
	], function (echarts, packedData) {
	function round2(val) {
	return Math.round(val * 100) / 100;
	}

	function round3(val) {
	return Math.round(val * 1000) / 1000;
	}

	function prepData(packed) {
	console.time('prep');

	// epoch,idl,recv,send,read,writ,used,free

	var numFields = packed[0];
	packed = packed.slice(numFields + 1);

	var repeatTimes = 5;

	var data = new Float64Array((packed.length / numFields) * 4 * repeatTimes);

	var off = 0;
	var date = packed[0];
	for (let repeat = 0; repeat < repeatTimes; repeat++) {
	for (let i = 0, j = 0; i < packed.length; i += numFields, j++) {
	date += 1;
	data[off++] = date * 60 * 1000;
	data[off++] = round3(100 - packed[i + 1]);
	data[off++] = round2(
	(100 * packed[i + 5]) / (packed[i + 5] + packed[i + 6])
	);
	data[off++] = packed[i + 3];
	}
	}
	console.timeEnd('prep');

	return data;
	}

	function makeChart(data, title, sampling) {
	var container = document.getElementById('container');
	var dom = document.createElement('div');
	var titleDom = document.createElement('h3');
	dom.classList.add('chart');
	if (title !== 'warmup') {
	container.appendChild(titleDom);
	container.appendChild(dom);
	}
	var myChart = echarts.init(dom, null, {
	width: 800,
	height: 400
	});

	titleDom.innerHTML = title;

	let opts = {
	animation: false,
	dataset: {
	source: data,
	dimensions: ['date', 'cpu', 'ram', 'tcpout']
	},
	tooltip: {
	trigger: 'axis'
	},
	legend: {},
	grid: {
	containLabel: true,
	left: 0,
	top: 50,
	right: 0,
	bottom: 30
	},
	xAxis: {
	type: 'time'
	},
	yAxis: [{
	type: 'value',
	max: 100,
	axisLabel: {
	formatter: '{value} %'
	}
	}, {
	type: 'value',
	max: 100,
	axisLabel: {
	formatter: '{value} MB'
	}
	}],
	series: [{
	name: 'CPU',
	type: 'line',
	showSymbol: false,
	sampling: sampling,
	lineStyle: { width: 1 },
	emphasis: { lineStyle: { width: 1 } },
	encode: {
	x: 'date',
	y: 'cpu'
	}
	}, {
	name: 'RAM',
	type: 'line',
	yAxisIndex: 1,
	showSymbol: false,
	sampling: sampling,
	lineStyle: { width: 1 },
	emphasis: { lineStyle: { width: 1 } },
	encode: {
	x: 'date',
	y: 'ram'
	}
	}, {
	name: 'TCP Out',
	type: 'line',
	yAxisIndex: 1,
	showSymbol: false,
	sampling: sampling,
	lineStyle: { width: 1 },
	emphasis: { lineStyle: { width: 1 } },
	encode: {
	x: 'date',
	y: 'tcpout'
	}
	}]
	};
	const startTime = Date.now();
	myChart.setOption(opts, {
	notMerge: true
	});
	const endTime = Date.now();
	titleDom.innerHTML = `${title}(${data.length / 4 * 3}) ${(endTime - startTime).toFixed(0)} ms`;
	}
	let status = document.getElementById('status');

	status.textContent = 'Warming up';
	let data = prepData(packedData);

	for (let i = 0; i < 5; i++) {
	makeChart(data, 'warmup');
	makeChart(data, 'warmup', 'lttb');
	makeChart(data, 'warmup', 'average');
	makeChart(data, 'warmup', 'max');
	}
	status.textContent = 'Running';
	makeChart(data, 'No Sampling', null);
	setTimeout(() => makeChart(data, 'LTTB Sampling', 'lttb'), 200);
	setTimeout(() => makeChart(data, 'Max Sampling', 'max'), 400);
	setTimeout(() => makeChart(data, 'Average Sampling', 'average'), 600);
	});
	</script>
	</body>
	</html>