🌴 Sync 2026-03-05 23:51:42

luci-app-cpu-status/LICENSE

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+MIT License
+
+Copyright (c) 2021 gSpotx2f
+
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to deal
+in the Software without restriction, including without limitation the rights
+to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the Software is
+furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in all
+copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+SOFTWARE.

luci-app-cpu-status/Makefile

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+#
+# Copyright (C) 2026 gSpot (https://github.com/gSpotx2f/luci-app-cpu-status)
+#
+# This is free software, licensed under the MIT License.
+#
+
+include $(TOPDIR)/rules.mk
+
+PKG_NAME:=luci-app-cpu-status
+PKG_VERSION:=0.6.2
+PKG_RELEASE:=1
+LUCI_TITLE:=CPU utilization info for the LuCI status page
+LUCI_PKGARCH:=all
+PKG_LICENSE:=MIT
+
+#include $(TOPDIR)/feeds/luci/luci.mk
+include $(TOPDIR)/feeds/luci/luci.mk
+
+# call BuildPackage - OpenWrt buildroot signature

luci-app-cpu-status/README.md

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+# luci-app-cpu-status
+CPU utilization info for the LuCI status page (OpenWrt webUI).
+
+OpenWrt >= 21.02.
+
+Lite version: [luci-app-cpu-status-mini](https://github.com/gSpotx2f/luci-app-cpu-status-mini).
+
+## Installation notes
+
+**OpenWrt >= 25.12:**
+
+    wget --no-check-certificate -O /tmp/luci-app-cpu-status-0.6.2-r1.apk https://github.com/gSpotx2f/packages-openwrt/raw/master/25.12/luci-app-cpu-status-0.6.2-r1.apk
+    apk --allow-untrusted add /tmp/luci-app-cpu-status-0.6.2-r1.apk
+    rm /tmp/luci-app-cpu-status-0.6.2-r1.apk
+    service rpcd reload
+
+i18n-ru:
+
+    wget --no-check-certificate -O /tmp/luci-i18n-cpu-status-ru-0.6.2-r1.apk https://github.com/gSpotx2f/packages-openwrt/raw/master/25.12/luci-i18n-cpu-status-ru-0.6.2-r1.apk
+    apk --allow-untrusted add /tmp/luci-i18n-cpu-status-ru-0.6.2-r1.apk
+    rm /tmp/luci-i18n-cpu-status-ru-0.6.2-r1.apk
+
+**OpenWrt <= 24.10:**
+
+    wget --no-check-certificate -O /tmp/luci-app-cpu-status_0.6.2-r1_all.ipk https://github.com/gSpotx2f/packages-openwrt/raw/master/24.10/luci-app-cpu-status_0.6.2-r1_all.ipk
+    opkg install /tmp/luci-app-cpu-status_0.6.2-r1_all.ipk
+    rm /tmp/luci-app-cpu-status_0.6.2-r1_all.ipk
+    service rpcd reload
+
+i18n-ru:
+
+    wget --no-check-certificate -O /tmp/luci-i18n-cpu-status-ru_0.6.2-r1_all.ipk https://github.com/gSpotx2f/packages-openwrt/raw/master/24.10/luci-i18n-cpu-status-ru_0.6.2-r1_all.ipk
+    opkg install /tmp/luci-i18n-cpu-status-ru_0.6.2-r1_all.ipk
+    rm /tmp/luci-i18n-cpu-status-ru_0.6.2-r1_all.ipk
+
+## Screenshots:
+
+![](https://github.com/gSpotx2f/luci-app-cpu-status/blob/master/screenshots/01.jpg)
+
+## Related LuCI applications:
+
+CPU performance: [https://github.com/gSpotx2f/luci-app-cpu-perf](https://github.com/gSpotx2f/luci-app-cpu-perf).

luci-app-cpu-status/htdocs/luci-static/resources/svg/cpu.svg

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+<?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">
+
+<svg width="100%" height="100%" version="1.1" xmlns="http://www.w3.org/2000/svg">
+	<polyline id="total_line" class="total" points="" />
+	<polyline id="user_line" class="user" points="" />
+	<polyline id="sys_line" class="sys" points="" />
+	<polyline id="sirq_line" class="sirq" points="" />
+
+	<line class="grid" x1="0" y1="25%" x2="100%" y2="25%" />
+	<text id="label_75" x="20" y="24%"> </text>
+
+	<line class="grid" x1="0" y1="50%" x2="100%" y2="50%" />
+	<text id="label_50" x="20" y="49%"> </text>
+
+	<line class="grid" x1="0" y1="75%" x2="100%" y2="75%" />
+	<text id="label_25" x="20" y="74%"> </text>
+</svg>

luci-app-cpu-status/htdocs/luci-static/resources/view/status/cpu.js

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+'use strict';
+'require dom';
+'require fs';
+'require poll';
+'require request';
+'require view';
+'require ui';
+
+document.head.append(E('style', {'type': 'text/css'},
+`
+:root {
+	--app-cpu-status-total: gray;
+	--app-cpu-status-user: blue;
+	--app-cpu-status-sys: red;
+	--app-cpu-status-sirq: green;
+}
+.svg_background {
+	width: 100%;
+	height: 300px;
+	border: 1px solid #000;
+	background: #fff';
+}
+[data-darkmode="true"] .svg_background {
+	background-color: var(--background-color-high) !important;
+}
+.graph_legend {
+	border-bottom: 2px solid;
+}
+.total {
+	border-color: var(--app-cpu-status-total);
+}
+.user{
+	border-color: var(--app-cpu-status-user);
+}
+.sys {
+	border-color: var(--app-cpu-status-sys);
+}
+.sirq {
+	border-color: var(--app-cpu-status-sirq);
+}
+svg line.grid {
+	stroke: black;
+	stroke-width: 0.1;
+}
+[data-darkmode="true"] svg line.grid {
+	stroke: #fff !important;
+}
+svg text {
+	fill: #eee;
+	font-size: 9pt;
+	font-family: sans-serif;
+	text-shadow: 1px 1px 1px #000;
+}
+svg #total_line {
+	fill: var(--app-cpu-status-total);
+	fill-opacity: 0.4;
+	stroke: var(--app-cpu-status-total);
+	stroke-width: 1;
+}
+svg #user_line {
+	fill: var(--app-cpu-status-user);
+	fill-opacity: 0.5;
+	stroke: var(--app-cpu-status-user);
+	stroke-width: 1;
+}
+svg #sys_line {
+	fill: var(--app-cpu-status-sys);
+	fill-opacity: 0.5;
+	stroke: var(--app-cpu-status-sys);
+	stroke-width: 1;
+}
+svg #sirq_line {
+	fill: var(--app-cpu-status-sirq);
+	fill-opacity: 0.5;
+	stroke: var(--app-cpu-status-sirq);
+	stroke-width: 1;
+}
+`));
+
+Math.log2 = Math.log2 || (x => Math.log(x) * Math.LOG2E);
+
+return view.extend({
+	pollInterval  : 3,
+
+	dataBufferSize: 4,
+
+	CPUDevices    : {},
+
+	graphPolls    : [],
+
+	lastStatArray : null,
+
+	parseProcData(data) {
+		let cpu_stat_array   = [];
+		let stat_items_array = data.trim().split('\n').filter(s => s.startsWith('cpu'));
+
+		for(let str of stat_items_array) {
+			let arr = str.split(/\s+/).slice(0, 8);
+			arr[0]  = (arr[0] === 'cpu') ? -1 : arr[0].replace('cpu', '');
+			cpu_stat_array.push(arr.map(e => Number(e)));
+		};
+
+		cpu_stat_array.sort((a, b) => a[0] - b[0]);
+		return cpu_stat_array;
+	},
+
+	calcCPULoad(cpu_stat_array) {
+		let ret_array = [];
+		cpu_stat_array.forEach((c, i) => {
+			let loadUser = 0,
+			    loadNice = 0,
+			    loadSys  = 0,
+			    loadIdle = 0,
+			    loadIo   = 0,
+			    loadIrq  = 0,
+			    loadSirq = 0,
+			    loadAvg  = 0;
+			if(this.lastStatArray !== null && this.lastStatArray.cpuNum === c.cpuNum) {
+				let user = c[1] - this.lastStatArray[i][1],
+				    nice = c[2] - this.lastStatArray[i][2],
+				    sys  = c[3] - this.lastStatArray[i][3],
+				    idle = c[4] - this.lastStatArray[i][4],
+				    io   = c[5] - this.lastStatArray[i][5],
+				    irq  = c[6] - this.lastStatArray[i][6],
+				    sirq = c[7] - this.lastStatArray[i][7];
+				let sum  = user + nice + sys + idle + io + irq + sirq;
+				loadUser = Number((100 * user / sum).toFixed(1));
+				loadNice = Number((100 * nice / sum).toFixed(1));
+				loadSys  = Number((100 * sys / sum).toFixed(1));
+				loadIdle = Number((100 * idle / sum).toFixed(1));
+				loadIo   = Number((100 * io / sum).toFixed(1));
+				loadIrq  = Number((100 * irq / sum).toFixed(1));
+				loadSirq = Number((100 * sirq / sum).toFixed(1));
+				loadAvg  = Math.round(100 * (user + nice + sys + io + irq + sirq) / sum);
+			};
+			ret_array.push(
+				{cpuNum: c[0], loadUser, loadNice, loadSys, loadIdle, loadIo, loadIrq, loadSirq, loadAvg});
+		});
+		this.lastStatArray = cpu_stat_array;
+		return ret_array;
+	},
+
+	getCPUData(cpu_data) {
+		return L.resolveDefault(fs.read('/proc/stat'), null).then(cpu_data => {
+			if(cpu_data) {
+				let cpu_stat_array = this.parseProcData(cpu_data);
+
+				// For single-core CPU
+				if(cpu_stat_array.length === 2) {
+					cpu_stat_array = cpu_stat_array.slice(0, 1);
+				};
+
+				let cpu_load_array = this.calcCPULoad(cpu_stat_array);
+
+				for(let i = 0; i < cpu_load_array.length; i++) {
+					let num   = i;
+					let total = cpu_load_array[i].loadAvg;
+					let user  = cpu_load_array[i].loadUser;
+					let sys   = cpu_load_array[i].loadSys;
+					let sirq  = cpu_load_array[i].loadSirq;
+
+					if(!(num in this.CPUDevices)) {
+						this.CPUDevices[num] = {
+							num : i,
+							name: String(cpu_load_array[i].cpuNum),
+							load: [],
+						};
+					};
+
+					let load_array = this.CPUDevices[num].load;
+					load_array.push([
+						new Date().getTime(),
+						total || 0,
+						user  || 0,
+						sys   || 0,
+						sirq  || 0,
+					]);
+					if(load_array.length > this.dataBufferSize) {
+						load_array.shift();
+					};
+				};
+
+			};
+			return this.CPUDevices;
+		});
+	},
+
+	loadSVG(src) {
+		return request.get(src).then(response => {
+			if(!response.ok) {
+				throw new Error(response.statusText);
+			};
+
+			return E('div', {
+				'class': 'svg_background',
+			}, E(response.text()));
+		});
+	},
+
+	updateGraph(cpu_num, svg, peak, lines, cb) {
+		let G                 = svg.firstElementChild;
+		let view              = document.querySelector('#view');
+		let width             = view.offsetWidth - 2;
+		let height            = 300 - 2;
+		let base_step         = 5;
+		let time_interval     = 60;
+		let time_interval_min = time_interval / 60
+		let step              = base_step * this.pollInterval;
+		let data_wanted       = Math.ceil(width / step);
+		let timeline_offset   = width % step;
+		let data_values       = [];
+		let line_elements     = [];
+
+		for(let i = 0; i < lines.length; i++) {
+			if(lines[i] != null) {
+				data_values.push([]);
+			};
+		};
+
+		let info = {
+			line_current: [],
+			line_average: [],
+			line_peak   : [],
+		};
+
+		/* prefill datasets */
+		for(let i = 0; i < data_values.length; i++) {
+			for(let j = 0; j < data_wanted; j++) {
+				data_values[i][j] = NaN;
+			};
+		};
+
+		/* plot horizontal time interval lines */
+		for(let i = width % (base_step * time_interval); i < width; i += base_step * time_interval) {
+			let x    = i - (timeline_offset);
+			let line = document.createElementNS('http://www.w3.org/2000/svg', 'line');
+				line.setAttribute('x1', x);
+				line.setAttribute('y1', 0);
+				line.setAttribute('x2', x);
+				line.setAttribute('y2', '100%');
+				line.setAttribute('class', 'grid');
+
+			let text = document.createElementNS('http://www.w3.org/2000/svg', 'text');
+				text.setAttribute('x', x + 5);
+				text.setAttribute('y', 15);
+				text.append(document.createTextNode(String((width - i) / base_step / time_interval) + 'm'));
+
+			G.append(line);
+			G.append(text);
+		};
+
+		info.interval  = this.pollInterval;
+		info.timeframe = Math.floor(data_wanted / time_interval * this.pollInterval);
+
+		this.graphPolls.push({
+			cpu_num,
+			svg,
+			peak,
+			lines,
+			cb,
+			info,
+			width,
+			height,
+			step,
+			data_wanted,
+			values     : data_values,
+			timestamp  : 0,
+			fill       : 1,
+		});
+	},
+
+	pollData() {
+		poll.add(L.bind(function() {
+			return this.getCPUData().then(L.bind(function(datasets) {
+
+				for(let gi = 0; gi < this.graphPolls.length; gi++) {
+					let ctx = this.graphPolls[gi];
+
+					if(!datasets[ctx.cpu_num]) {
+						continue;
+					};
+
+					let data = datasets[ctx.cpu_num].load;
+
+					if(!data) {
+						continue;
+					};
+
+					let values         = ctx.values;
+					let lines          = ctx.lines;
+					let info           = ctx.info;
+					let peak           = ctx.peak;
+					let data_scale     = 0;
+					let data_wanted    = ctx.data_wanted;
+					let last_timestamp = NaN;
+
+					for(let i = 0, di = 0; di < lines.length; di++) {
+						if(lines[di] == null) {
+							continue;
+						};
+
+						for(let j = ctx.timestamp ? 0 : 1; j < data.length; j++) {
+
+							/* skip overlapping and empty entries */
+							if(data[j][0] <= ctx.timestamp) {
+								continue;
+							};
+
+							if(i == 0) {
+								ctx.fill++;
+								last_timestamp = data[j][0];
+							};
+
+							info.line_current[i] = data[j][di + 1];
+							values[i].push(info.line_current[i]);
+						};
+
+						i++;
+					};
+
+					/* cut off outdated entries */
+					ctx.fill = Math.min(ctx.fill, data_wanted);
+
+					for(let i = 0; i < values.length; i++) {
+						let len = values[i].length;
+						values[i] = values[i].slice(len - data_wanted, len);
+
+						/* find peaks, averages */
+						info.line_peak[i]    = NaN;
+						info.line_average[i] = 0;
+
+						let nonempty = 0;
+						for(let j = 0; j < values[i].length; j++) {
+							info.line_peak[i] = isNaN(info.line_peak[i]) ? values[i][j] : Math.max(info.line_peak[i], values[i][j]);
+							info.line_peak[i] = Number(info.line_peak[i].toFixed(1));
+
+							if(!isNaN(values[i][j])) {
+								nonempty++;
+								info.line_average[i] += values[i][j];
+							};
+						};
+
+						info.line_average[i] = info.line_average[i] / nonempty;
+						info.line_average[i] = Number(info.line_average[i].toFixed(1));
+					};
+
+					/* remember current timestamp, calculate horizontal scale */
+					if(!isNaN(last_timestamp)) {
+						ctx.timestamp = last_timestamp;
+					};
+
+					let size   = Math.floor(Math.log2(info.peak));
+					let div    = Math.pow(2, size - (size % 10));
+					data_scale = ctx.height / peak;
+
+					/* plot data */
+					for(let i = 0, di = 0; di < lines.length; di++) {
+						if(lines[di] == null) {
+							continue;
+						};
+
+						let el = ctx.svg.firstElementChild.getElementById(lines[di].line);
+						let pt = '0,' + ctx.height;
+						let y  = 0;
+
+						if(!el) {
+							continue;
+						};
+
+						for(let j = 0; j < values[i].length; j++) {
+							let x = j * ctx.step;
+
+							y  = ctx.height - Math.floor(values[i][j] * data_scale);
+							//y -= Math.floor(y % (1 / data_scale));
+							y  = isNaN(y) ? ctx.height + 1 : y;
+							pt += ` ${x},${y}`;
+						};
+
+						pt += ` ${ctx.width},${y} ${ctx.width},${ctx.height}`;
+						el.setAttribute('points', pt);
+
+						i++;
+					};
+
+					info.label_25 = 0.25 * peak;
+					info.label_50 = 0.50 * peak;
+					info.label_75 = 0.75 * peak;
+
+					if(typeof(ctx.cb) == 'function') {
+						ctx.cb(ctx.svg, info);
+					};
+				};
+			}, this));
+		}, this), this.pollInterval);
+	},
+
+	load() {
+		return Promise.all([
+			this.loadSVG(L.resource('svg/cpu.svg')),
+			this.getCPUData(),
+		]);
+	},
+
+	render(data) {
+		let svg  = data[0];
+		let cpus = data[1];
+		let map  = E('div', { 'class': 'cbi-map', 'id': 'map' });
+		let tabs = E('div');
+		map.append(tabs);
+
+		for(let i of Object.values(cpus)) {
+			let cpu_num  = i.num;
+			let cpu_name = (Number(i.name) >= 0 ) ? `${_('CPU')} ${i.name}` : _('Total');
+			let csvg     = svg.cloneNode(true);
+
+			tabs.append(E('div', { 'class': 'cbi-section', 'data-tab': cpu_num, 'data-tab-title': cpu_name }, [
+				csvg,
+				E('div', { 'class': 'right' }, E('small', { 'data-graph': 'scale' }, '-')),
+				E('br'),
+				E('table', { 'class': 'table', 'style': 'width:100%;table-layout:fixed' }, [
+					E('tr', { 'class': 'tr' }, [
+						E('td', { 'class': 'td right top' }, E('strong', { 'class': 'graph_legend total' }, _('Total') + ':')),
+						E('td', { 'class': 'td', 'data-graph': 'total_cur' }, '-'),
+						E('td', { 'class': 'td right top' }, E('strong', {}, _('Average:'))),
+						E('td', { 'class': 'td', 'data-graph': 'total_avg' }, '-'),
+
+						E('td', { 'class': 'td right top' }, E('strong', {}, _('Peak:'))),
+						E('td', { 'class': 'td', 'data-graph': 'total_peak' }, '-'),
+					]),
+					E('tr', { 'class': 'tr' }, [
+						E('td', { 'class': 'td right top' }, E('strong', { 'class': 'graph_legend user' }, 'User' + ':')),
+						E('td', { 'class': 'td', 'data-graph': 'user_cur' }, '-'),
+						E('td', { 'class': 'td right top' }, E('strong', {}, _('Average:'))),
+						E('td', { 'class': 'td', 'data-graph': 'user_avg' }, '-'),
+
+						E('td', { 'class': 'td right top' }, E('strong', {}, _('Peak:'))),
+						E('td', { 'class': 'td', 'data-graph': 'user_peak' }, '-'),
+					]),
+					E('tr', { 'class': 'tr' }, [
+						E('td', { 'class': 'td right top' }, E('strong', { 'class': 'graph_legend sys' }, 'System' + ':')),
+						E('td', { 'class': 'td', 'data-graph': 'sys_cur' }, '-'),
+						E('td', { 'class': 'td right top' }, E('strong', {}, _('Average:'))),
+						E('td', { 'class': 'td', 'data-graph': 'sys_avg' }, '-'),
+
+						E('td', { 'class': 'td right top' }, E('strong', {}, _('Peak:'))),
+						E('td', { 'class': 'td', 'data-graph': 'sys_peak' }, '-'),
+					]),
+					E('tr', { 'class': 'tr' }, [
+						E('td', { 'class': 'td right top' }, E('strong', { 'class': 'graph_legend sirq' }, 'Sirq' + ':')),
+						E('td', { 'class': 'td', 'data-graph': 'sirq_cur' }, '-'),
+						E('td', { 'class': 'td right top' }, E('strong', {}, _('Average:'))),
+						E('td', { 'class': 'td', 'data-graph': 'sirq_avg' }, '-'),
+
+						E('td', { 'class': 'td right top' }, E('strong', {}, _('Peak:'))),
+						E('td', { 'class': 'td', 'data-graph': 'sirq_peak' }, '-'),
+					]),
+
+				]),
+				E('br'),
+			]));
+
+			this.updateGraph(
+				cpu_num,
+				csvg,
+				100,
+				[ { 'line': 'total_line' }, { 'line': 'user_line' }, { 'line': 'sys_line' }, { 'line': 'sirq_line' } ],
+				(svg, info) => {
+					let G = svg.firstElementChild, tab = svg.parentNode;
+
+					G.getElementById('label_25').firstChild.data = '%d %%'.format(info.label_25);
+					G.getElementById('label_50').firstChild.data = '%d %%'.format(info.label_50);
+					G.getElementById('label_75').firstChild.data = '%d %%'.format(info.label_75);
+
+					tab.querySelector('[data-graph="scale"]').firstChild.data = _('(%d minute window, %d second interval)').format(info.timeframe, info.interval);
+
+					dom.content(tab.querySelector('[data-graph="total_cur"]'), info.line_current[0] + ' %');
+					dom.content(tab.querySelector('[data-graph="total_avg"]'), info.line_average[0] + ' %');
+					dom.content(tab.querySelector('[data-graph="total_peak"]'), info.line_peak[0] + ' %');
+
+					dom.content(tab.querySelector('[data-graph="user_cur"]'), info.line_current[1] + ' %');
+					dom.content(tab.querySelector('[data-graph="user_avg"]'), info.line_average[1] + ' %');
+					dom.content(tab.querySelector('[data-graph="user_peak"]'), info.line_peak[1] + ' %');
+
+					dom.content(tab.querySelector('[data-graph="sys_cur"]'), info.line_current[2] + ' %');
+					dom.content(tab.querySelector('[data-graph="sys_avg"]'), info.line_average[2] + ' %');
+					dom.content(tab.querySelector('[data-graph="sys_peak"]'), info.line_peak[2] + ' %');
+
+					dom.content(tab.querySelector('[data-graph="sirq_cur"]'), info.line_current[3] + ' %');
+					dom.content(tab.querySelector('[data-graph="sirq_avg"]'), info.line_average[3] + ' %');
+					dom.content(tab.querySelector('[data-graph="sirq_peak"]'), info.line_peak[3] + ' %');
+				}
+			);
+		};
+
+		ui.tabs.initTabGroup(tabs.childNodes);
+		this.pollData();
+
+		return  E([], [
+			E('h2', _('CPU load')),
+			E('div', {'class': 'cbi-map-descr'},
+			  _('This page displays the average CPU load at %d second interval.').format(this.pollInterval)),
+			map,
+		]);
+	},
+
+	handleSaveApply: null,
+	handleSave     : null,
+	handleReset    : null,
+});

luci-app-cpu-status/htdocs/luci-static/resources/view/status/include/18_cpu.js

@@ -0,0 +1,353 @@
+'use strict';
+'require baseclass';
+'require fs';
+
+document.head.append(E('style', {'type': 'text/css'},
+`
+.cpu-status-view-mode-entry {
+	display: inline-block;
+	cursor: pointer;
+	margin: 2px 4px 2px 0 !important;
+	padding: 2px 4px;
+	border: 1px dotted;
+	-webkit-border-radius: 4px;
+	-moz-border-radius: 4px;
+	border-radius: 4px;
+	opacity: 0.7;
+}
+.cpu-status-view-mode-entry-checked {
+	border: 1px solid;
+	opacity: 1;
+}
+`));
+
+return baseclass.extend({
+	title             : _('CPU Load'),
+
+	viewName          : 'cpu_status',
+
+	availableViewModes: {
+		0: [ 'allCPUs', _('Load') ],
+		1: [ 'allCPUsDetail', _('Detailed load') ],
+		2: [ 'eachCPU', _('Load of each CPU') ],
+		3: [ 'eachCPUDetail', _('Detailed load of each CPU') ],
+	},
+
+	viewMode          : 0,
+
+	lastStatArray     : null,
+
+	restoreSettingsFromLocalStorage() {
+		let viewModeLocal = localStorage.getItem(`luci-app-${this.viewName}-viewMode`);
+		if(viewModeLocal) {
+			this.viewMode = Number(viewModeLocal);
+		};
+	},
+
+	saveSettingsToLocalStorage(viewMode) {
+		if(this.viewMode != viewMode) {
+			localStorage.setItem(
+				`luci-app-${this.viewName}-viewMode`, String(viewMode));
+		};
+	},
+
+	parseProcData(data) {
+		let cpuStatArray   = [];
+		let statItemsArray = data.trim().split('\n').filter(s => s.startsWith('cpu'));
+
+		for(let str of statItemsArray) {
+			let arr = str.split(/\s+/).slice(0, 8);
+			arr[0]  = (arr[0] == 'cpu') ? Infinity : arr[0].replace('cpu', '');
+			cpuStatArray.push(arr.map(e => Number(e)));
+		};
+
+		cpuStatArray.sort((a, b) => a[0] - b[0]);
+
+		return cpuStatArray;
+	},
+
+	calcCPULoad(cpuStatArray) {
+		let retArray = [];
+		cpuStatArray.forEach((c, i) => {
+			let loadUser = 0,
+			    loadNice = 0,
+			    loadSys  = 0,
+			    loadIdle = 0,
+			    loadIo   = 0,
+			    loadIrq  = 0,
+			    loadSirq = 0,
+			    loadAvg  = 0;
+			if(this.lastStatArray !== null && this.lastStatArray.cpuNum == c.cpuNum) {
+				let user = c[1] - this.lastStatArray[i][1],
+				    nice = c[2] - this.lastStatArray[i][2],
+				    sys  = c[3] - this.lastStatArray[i][3],
+				    idle = c[4] - this.lastStatArray[i][4],
+				    io   = c[5] - this.lastStatArray[i][5],
+				    irq  = c[6] - this.lastStatArray[i][6],
+				    sirq = c[7] - this.lastStatArray[i][7];
+				let sum  = user + nice + sys + idle + io + irq + sirq;
+				loadUser = Number((100 * user / sum).toFixed(1));
+				loadNice = Number((100 * nice / sum).toFixed(1));
+				loadSys  = Number((100 * sys / sum).toFixed(1));
+				loadIdle = Number((100 * idle / sum).toFixed(1));
+				loadIo   = Number((100 * io / sum).toFixed(1));
+				loadIrq  = Number((100 * irq / sum).toFixed(1));
+				loadSirq = Number((100 * sirq / sum).toFixed(1));
+				loadAvg  = Math.round(100 * (user + nice + sys + io + irq + sirq) / sum);
+			};
+			retArray.push(
+				{cpuNum: c[0], loadUser, loadNice, loadSys, loadIdle, loadIo, loadIrq, loadSirq, loadAvg});
+		});
+		return retArray;
+	},
+
+	allCPUs: {
+		makeTable() {
+			this.table = E('table', { 'class': 'table' });
+		},
+		append(cpuNum, cpuLoadObj, cpuLoadFlag) {
+			if(cpuNum == Infinity) {
+				this.table.append(
+					E('tr', { 'class': 'tr' }, [
+						E('td', { 'class': 'td left', 'width': '33%' },
+							_('Total load')),
+						E('td', { 'class': 'td' },
+							E('div', {
+									'class': 'cbi-progressbar',
+									'title': (cpuLoadFlag) ?
+										cpuLoadObj.loadAvg + '%' :
+										_('Calculating') + '...',
+								},
+								E('div', { 'style': 'width:' + cpuLoadObj.loadAvg + '%' })
+							)
+						),
+					])
+				);
+			};
+		},
+	},
+
+	allCPUsDetail: {
+		cpuTableTitles: [
+			_('All CPUs'),
+			_('Load'),
+			'user %',
+			'nice %',
+			'system %',
+			'idle %',
+			'iowait %',
+			'irq %',
+			'softirq %',
+		],
+		makeTable() {
+			this.table = E('table', { 'class': 'table' },
+				E('tr', { 'class': 'tr table-titles' }, [
+					E('th', { 'class': 'th left' }, this.cpuTableTitles[0]),
+					E('th', { 'class': 'th left' }, this.cpuTableTitles[1]),
+					E('th', { 'class': 'th center' }, this.cpuTableTitles[2]),
+					E('th', { 'class': 'th center' }, this.cpuTableTitles[3]),
+					E('th', { 'class': 'th center' }, this.cpuTableTitles[4]),
+					E('th', { 'class': 'th center' }, this.cpuTableTitles[5]),
+					E('th', { 'class': 'th center' }, this.cpuTableTitles[6]),
+					E('th', { 'class': 'th center' }, this.cpuTableTitles[7]),
+					E('th', { 'class': 'th center' }, this.cpuTableTitles[8]),
+				])
+			);
+		},
+		append(cpuNum, cpuLoadObj, cpuLoadFlag) {
+			if(cpuNum == Infinity) {
+				this.table.append(
+					E('tr', { 'class': 'tr' }, [
+						E('td', { 'class': 'td left', 'data-title': this.cpuTableTitles[0] },
+							_('Total load')),
+						E('td', { 'class': 'td left', 'data-title': this.cpuTableTitles[1] },
+							E('div', {
+									'class': 'cbi-progressbar',
+									'title': (cpuLoadFlag) ?
+										cpuLoadObj.loadAvg + '%' :
+										_('Calculating') + '...',
+									'style': 'min-width:8em !important',
+								},
+								E('div', { 'style': 'width:' + cpuLoadObj.loadAvg + '%' })
+							)
+						),
+						E('td', { 'class': 'td center',
+							'data-title': this.cpuTableTitles[2] }, cpuLoadObj.loadUser),
+						E('td', { 'class': 'td center',
+							'data-title': this.cpuTableTitles[3] }, cpuLoadObj.loadNice),
+						E('td', { 'class': 'td center',
+							'data-title': this.cpuTableTitles[4] }, cpuLoadObj.loadSys),
+						E('td', { 'class': 'td center',
+							'data-title': this.cpuTableTitles[5] }, cpuLoadObj.loadIdle),
+						E('td', { 'class': 'td center',
+							'data-title': this.cpuTableTitles[6] }, cpuLoadObj.loadIo),
+						E('td', { 'class': 'td center',
+							'data-title': this.cpuTableTitles[7] }, cpuLoadObj.loadIrq),
+						E('td', { 'class': 'td center',
+							'data-title': this.cpuTableTitles[8] }, cpuLoadObj.loadSirq),
+					])
+				);
+			};
+		},
+	},
+
+	eachCPU: {
+		makeTable() {
+			this.table = E('table', { 'class': 'table' });
+		},
+		append(cpuNum, cpuLoadObj, cpuLoadFlag) {
+			this.table.append(
+				E('tr', { 'class': 'tr' }, [
+					E('td', { 'class': 'td left', 'width': '33%' },
+						(cpuNum == Infinity) ? _('Total load') : _('CPU') + ' ' + cpuNum),
+					E('td', { 'class': 'td' },
+						E('div', {
+								'class': 'cbi-progressbar',
+								'title': (cpuLoadFlag) ?
+									cpuLoadObj.loadAvg + '%' :
+									_('Calculating') + '...',
+							},
+							E('div', { 'style': 'width:' + cpuLoadObj.loadAvg + '%' })
+						)
+					),
+				])
+			);
+		},
+	},
+
+	eachCPUDetail: {
+		cpuTableTitles: [
+			_('CPU'),
+			_('Load'),
+			'user %',
+			'nice %',
+			'system %',
+			'idle %',
+			'iowait %',
+			'irq %',
+			'softirq %',
+		],
+		makeTable() {
+			this.table = E('table', { 'class': 'table' },
+				E('tr', { 'class': 'tr table-titles' }, [
+					E('th', { 'class': 'th left' }, this.cpuTableTitles[0]),
+					E('th', { 'class': 'th left' }, this.cpuTableTitles[1]),
+					E('th', { 'class': 'th center' }, this.cpuTableTitles[2]),
+					E('th', { 'class': 'th center' }, this.cpuTableTitles[3]),
+					E('th', { 'class': 'th center' }, this.cpuTableTitles[4]),
+					E('th', { 'class': 'th center' }, this.cpuTableTitles[5]),
+					E('th', { 'class': 'th center' }, this.cpuTableTitles[6]),
+					E('th', { 'class': 'th center' }, this.cpuTableTitles[7]),
+					E('th', { 'class': 'th center' }, this.cpuTableTitles[8]),
+				])
+			);
+		},
+		append(cpuNum, cpuLoadObj, cpuLoadFlag) {
+			this.table.append(
+				E('tr', { 'class': 'tr' }, [
+					E('td', { 'class': 'td left', 'data-title': this.cpuTableTitles[0] },
+						(cpuNum == Infinity) ? _('Total load') : _('CPU') + ' ' + cpuNum),
+					E('td', { 'class': 'td left', 'data-title': this.cpuTableTitles[1] },
+						E('div', {
+								'class': 'cbi-progressbar',
+								'title': (cpuLoadFlag) ?
+									cpuLoadObj.loadAvg + '%' :
+									_('Calculating') + '...',
+								'style': 'min-width:8em !important',
+							},
+							E('div', { 'style': 'width:' + cpuLoadObj.loadAvg + '%' })
+						)
+					),
+					E('td', { 'class': 'td center',
+						'data-title': this.cpuTableTitles[2] }, cpuLoadObj.loadUser),
+					E('td', { 'class': 'td center',
+						'data-title': this.cpuTableTitles[3] }, cpuLoadObj.loadNice),
+					E('td', { 'class': 'td center',
+						'data-title': this.cpuTableTitles[4] }, cpuLoadObj.loadSys),
+					E('td', { 'class': 'td center',
+						'data-title': this.cpuTableTitles[5] }, cpuLoadObj.loadIdle),
+					E('td', { 'class': 'td center',
+						'data-title': this.cpuTableTitles[6] }, cpuLoadObj.loadIo),
+					E('td', { 'class': 'td center',
+						'data-title': this.cpuTableTitles[7] }, cpuLoadObj.loadIrq),
+					E('td', { 'class': 'td center',
+						'data-title': this.cpuTableTitles[8] }, cpuLoadObj.loadSirq),
+				])
+			);
+		},
+	},
+
+	makeCPUTable(cpuLoadArray) {
+		let currentView = (this.availableViewModes[this.viewMode] !== undefined) ?
+			this[this.availableViewModes[this.viewMode][0]] :
+			this[this.availableViewModes[0][0]];
+		currentView.makeTable();
+		cpuLoadArray.forEach((c, i) => {
+			currentView.append(c.cpuNum, c, (this.lastStatArray !== null));
+		});
+		return currentView.table;
+	},
+
+	load() {
+		this.restoreSettingsFromLocalStorage();
+		return L.resolveDefault(fs.read('/proc/stat'), null);
+	},
+
+	render(cpuData) {
+		if(!cpuData) return;
+
+		let cpuStatArray = this.parseProcData(cpuData);
+
+		// For single-core CPU
+		if(cpuStatArray.length == 2) {
+			cpuStatArray = cpuStatArray.slice(1, 2);
+			delete this.availableViewModes[2];
+			delete this.availableViewModes[3];
+			if(this.viewMode > 1) this.viewMode = 0;
+		};
+
+		let cpuLoadArray = this.calcCPULoad(cpuStatArray);
+		let cpuTable = this.makeCPUTable(cpuLoadArray);
+
+		let viewModeSelectFunc = value => {
+			this.saveSettingsToLocalStorage(value);
+			this.viewMode = value;
+			viewModeEntries.forEach(i => {
+				i.classList.remove('cpu-status-view-mode-entry-checked');
+			});
+			viewModeEntries[value].classList.add('cpu-status-view-mode-entry-checked');
+			let newTable = this.makeCPUTable(cpuLoadArray);
+			cpuTable.replaceWith(newTable);
+			cpuTable = newTable;
+		};
+
+		let viewModeSelectOnClick = ev => {
+			viewModeSelectFunc(ev.target.dataset.value);
+			ev.target.blur();
+		};
+
+		let viewModeEntries = [];
+
+		for(let [i, v] of Object.entries(this.availableViewModes)) {
+			viewModeEntries.push(
+				E('span', {
+					'class'     : 'cpu-status-view-mode-entry',
+					'href'      : 'javascript:void(0)',
+					'data-value': i,
+					'click'     : viewModeSelectOnClick,
+				}, v[1])
+			);
+		};
+
+		viewModeSelectFunc(this.viewMode);
+
+		this.lastStatArray = cpuStatArray;
+
+		return E('div', { 'class': 'cbi-section' }, [
+			E('div', { 'style': 'margin-bottom:1em' },
+				viewModeEntries
+			),
+			cpuTable,
+		]);
+	},
+});

luci-app-cpu-status/po/ru/cpu-status.po

@@ -0,0 +1,58 @@
+msgid ""
+msgstr ""
+"Content-Type: text/plain; charset=UTF-8\n"
+"Project-Id-Version: \n"
+"POT-Creation-Date: \n"
+"PO-Revision-Date: \n"
+"Language-Team: \n"
+"MIME-Version: 1.0\n"
+"Content-Transfer-Encoding: 8bit\n"
+"X-Generator: Poedit 2.3\n"
+"Last-Translator: \n"
+"Plural-Forms: nplurals=3; plural=(n%10==1 && n%100!=11 ? 0 : n%10>=2 && n%10<=4 && (n%100<12 || n%100>14) ? 1 : 2);\n"
+"Language: ru\n"
+
+msgid "(%d minute window, %d second interval)"
+msgstr "(%d минутное окно, %d секундный интервал)"
+
+msgid "All CPUs"
+msgstr "Все ЦПУ"
+
+msgid "Average:"
+msgstr "Средняя:"
+
+msgid "Calculating"
+msgstr "Вычисление"
+
+msgid "CPU"
+msgstr "ЦПУ"
+
+msgid "CPU Load"
+msgstr "Загрузка ЦПУ"
+
+msgid "CPU load"
+msgstr "Загрузка ЦПУ"
+
+msgid "Detailed load"
+msgstr "Подробная загрузка"
+
+msgid "Detailed load of each CPU"
+msgstr "Подробная загрузка каждого ЦПУ"
+
+msgid "Load"
+msgstr "Загрузка"
+
+msgid "Load of each CPU"
+msgstr "Загрузка каждого ЦПУ"
+
+msgid "Peak:"
+msgstr "Пиковая:"
+
+msgid "This page displays the average CPU load at %d second interval."
+msgstr "На этой странице отображается средняя загрузка ЦПУ за %d секундный интервал."
+
+msgid "Total"
+msgstr "Общая"
+
+msgid "Total load"
+msgstr "Общая загрузка"

luci-app-cpu-status/po/templates/cpu-status.pot

@@ -0,0 +1,47 @@
+msgid ""
+msgstr "Content-Type: text/plain; charset=UTF-8"
+
+msgid "(%d minute window, %d second interval)"
+msgstr ""
+
+msgid "All CPUs"
+msgstr ""
+
+msgid "Average:"
+msgstr ""
+
+msgid "Calculating"
+msgstr ""
+
+msgid "CPU"
+msgstr ""
+
+msgid "CPU Load"
+msgstr ""
+
+msgid "CPU load"
+msgstr ""
+
+msgid "Detailed load"
+msgstr ""
+
+msgid "Detailed load of each CPU"
+msgstr ""
+
+msgid "Load"
+msgstr ""
+
+msgid "Load of each CPU"
+msgstr ""
+
+msgid "Peak:"
+msgstr ""
+
+msgid "This page displays the average CPU load at %d second interval."
+msgstr ""
+
+msgid "Total"
+msgstr ""
+
+msgid "Total load"
+msgstr ""

luci-app-cpu-status/po/zh-cn

@@ -0,0 +1 @@
+zh_Hans

luci-app-cpu-status/po/zh_Hans/cpu-status.po

@@ -0,0 +1,58 @@
+msgid ""
+msgstr ""
+"Content-Type: text/plain; charset=UTF-8\n"
+"Project-Id-Version: \n"
+"POT-Creation-Date: \n"
+"PO-Revision-Date: \n"
+"Language-Team: \n"
+"MIME-Version: 1.0\n"
+"Content-Transfer-Encoding: 8bit\n"
+"X-Generator: Poedit 2.3\n"
+"Last-Translator: \n"
+"Plural-Forms: nplurals=3; plural=(n%10==1 && n%100!=11 ? 0 : n%10>=2 && n%10<=4 && (n%100<12 || n%100>14) ? 1 : 2);\n"
+"Language: zh_Hans\n"
+
+msgid "(%d minute window, %d second interval)"
+msgstr "（最近 %d 分钟信息，每 %d 秒刷新）"
+
+msgid "All CPUs"
+msgstr "所有 CPU"
+
+msgid "Average:"
+msgstr "平均："
+
+msgid "Calculating"
+msgstr "计算中..."
+
+msgid "CPU"
+msgstr "CPU"
+
+msgid "CPU Load"
+msgstr "CPU"
+
+msgid "CPU load"
+msgstr "CPU 负载"
+
+msgid "Detailed load"
+msgstr "负载详情"
+
+msgid "Detailed load of each CPU"
+msgstr "各 CPU 负载详情"
+
+msgid "Load"
+msgstr "负载"
+
+msgid "Load of each CPU"
+msgstr "各 CPU 负载"
+
+msgid "Peak:"
+msgstr "峰值："
+
+msgid "This page displays the average CPU load at %d second interval."
+msgstr "此页面展示 %d 秒内 CPU 平均负载。"
+
+msgid "Total"
+msgstr "总计"
+
+msgid "Total load"
+msgstr "总负载"

luci-app-cpu-status/po/zh_Hant/cpu-status.po

@@ -0,0 +1,40 @@
+msgid ""
+msgstr ""
+"Content-Type: text/plain; charset=UTF-8\n"
+"Project-Id-Version: \n"
+"POT-Creation-Date: \n"
+"PO-Revision-Date: \n"
+"Language-Team: \n"
+"MIME-Version: 1.0\n"
+"Content-Transfer-Encoding: 8bit\n"
+"X-Generator: Poedit 2.3\n"
+"Last-Translator: \n"
+"Plural-Forms: nplurals=3; plural=(n%10==1 && n%100!=11 ? 0 : n%10>=2 && n%10<=4 && (n%100<12 || n%100>14) ? 1 : 2);\n"
+"Language: zh_Hant\n"
+
+msgid "All CPUs"
+msgstr "所有 CPUs"
+
+msgid "Calculating"
+msgstr "計算中"
+
+msgid "CPU"
+msgstr "CPU"
+
+msgid "CPU Load"
+msgstr "CPU 負載"
+
+msgid "Detailed load"
+msgstr "詳細負載"
+
+msgid "Detailed load of each CPU"
+msgstr "詳細負載 (每個 CPU)"
+
+msgid "Load"
+msgstr "負載"
+
+msgid "Load of each CPU"
+msgstr "負載 (每個 CPU)"
+
+msgid "Total load"
+msgstr "總負載"

luci-app-cpu-status/root/usr/share/luci/menu.d/luci-app-cpu-status.json

@@ -0,0 +1,13 @@
+{
+	"admin/status/realtime/cpu": {
+		"title": "CPU",
+		"order": 9,
+		"action": {
+			"type": "view",
+			"path": "status/cpu"
+		},
+		"depends": {
+			"acl": [ "luci-app-cpu-status" ]
+		}
+	}
+}

luci-app-cpu-status/root/usr/share/rpcd/acl.d/luci-app-cpu-status.json

@@ -0,0 +1,10 @@
+{
+	"luci-app-cpu-status": {
+		"description": "Grant access to cpu-status procedures",
+		"read": {
+			"file": {
+				"/proc/stat": [ "read" ]
+			}
+		}
+	}
+}