396 lines
12 KiB
QML
396 lines
12 KiB
QML
pragma Singleton
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import QtQuick
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import Qt.labs.folderlistmodel
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import Quickshell
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import Quickshell.Io
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import qs.Commons
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Singleton {
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id: root
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// Public values
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property real cpuUsage: 0
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property real cpuTemp: 0
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property real memGb: 0
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property real memPercent: 0
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property real diskPercent: 0
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property real rxSpeed: 0
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property real txSpeed: 0
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// Configuration
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property int sleepDuration: 3000
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// Internal state for CPU calculation
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property var prevCpuStats: null
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// Internal state for network speed calculation
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// Previous Bytes need to be stored as 'real' as they represent the total of bytes transfered
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// since the computer started, so their value will easily overlfow a 32bit int.
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property real prevRxBytes: 0
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property real prevTxBytes: 0
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property real prevTime: 0
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// Cpu temperature is the most complex
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readonly property var supportedTempCpuSensorNames: ["coretemp", "k10temp", "zenpower"]
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property string cpuTempSensorName: ""
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property string cpuTempHwmonPath: ""
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// For Intel coretemp averaging of all cores/sensors
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property var intelTempValues: []
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property int intelTempFilesChecked: 0
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property int intelTempMaxFiles: 20 // Will test up to temp20_input
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// --------------------------------------------
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Component.onCompleted: {
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Logger.log("SystemStat", "Service started with interval:", root.sleepDuration, "ms")
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// Kickoff the cpu name detection for temperature
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cpuTempNameReader.checkNext()
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}
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// --------------------------------------------
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// Timer for periodic updates
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Timer {
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id: updateTimer
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interval: root.sleepDuration
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repeat: true
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running: true
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triggeredOnStart: true
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onTriggered: {
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// Trigger all direct system files reads
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memInfoFile.reload()
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cpuStatFile.reload()
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netDevFile.reload()
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// Run df (disk free) one time
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dfProcess.running = true
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updateCpuTemperature()
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}
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}
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// --------------------------------------------
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// FileView components for reading system files
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FileView {
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id: memInfoFile
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path: "/proc/meminfo"
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onLoaded: parseMemoryInfo(text())
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}
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FileView {
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id: cpuStatFile
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path: "/proc/stat"
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onLoaded: calculateCpuUsage(text())
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}
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FileView {
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id: netDevFile
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path: "/proc/net/dev"
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onLoaded: calculateNetworkSpeed(text())
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}
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// --------------------------------------------
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// Process to fetch disk usage in percent
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// Uses 'df' aka 'disk free'
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Process {
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id: dfProcess
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command: ["df", "--output=pcent", "/"]
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running: false
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stdout: StdioCollector {
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onStreamFinished: {
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const lines = text.trim().split('\n')
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if (lines.length >= 2) {
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const percent = lines[1].replace(/[^0-9]/g, '')
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root.diskPercent = parseInt(percent) || 0
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}
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}
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}
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}
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// --------------------------------------------
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// --------------------------------------------
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// CPU Temperature
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// It's more complex.
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// ----
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// #1 - Find a common cpu sensor name ie: "coretemp", "k10temp", "zenpower"
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FileView {
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id: cpuTempNameReader
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property int currentIndex: 0
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printErrors: false
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function checkNext() {
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if (currentIndex >= 16) {
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// Check up to hwmon10
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Logger.warn("No supported temperature sensor found")
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return
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}
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//Logger.log("SystemStat", "---- Probing: hwmon", currentIndex)
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cpuTempNameReader.path = `/sys/class/hwmon/hwmon${currentIndex}/name`
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cpuTempNameReader.reload()
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}
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onLoaded: {
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const name = text().trim()
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if (root.supportedTempCpuSensorNames.includes(name)) {
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root.cpuTempSensorName = name
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root.cpuTempHwmonPath = `/sys/class/hwmon/hwmon${currentIndex}`
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Logger.log("SystemStat", `Found ${root.cpuTempSensorName} CPU thermal sensor at ${root.cpuTempHwmonPath}`)
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} else {
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currentIndex++
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Qt.callLater(() => {
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// Qt.callLater is mandatory
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checkNext()
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})
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}
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}
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onLoadFailed: function (error) {
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currentIndex++
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Qt.callLater(() => {
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// Qt.callLater is mandatory
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checkNext()
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})
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}
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}
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// ----
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// #2 - Read sensor value
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FileView {
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id: cpuTempReader
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printErrors: false
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onLoaded: {
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const data = text().trim()
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if (root.cpuTempSensorName === "coretemp") {
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// For Intel, collect all temperature values
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const temp = parseInt(data) / 1000.0
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//console.log(temp, cpuTempReader.path)
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root.intelTempValues.push(temp)
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Qt.callLater(() => {
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// Qt.callLater is mandatory
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checkNextIntelTemp()
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})
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} else {
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// For AMD sensors (k10temp and zenpower), directly set the temperature
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root.cpuTemp = Math.round(parseInt(data) / 1000.0)
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}
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}
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onLoadFailed: function (error) {
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Qt.callLater(() => {
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// Qt.callLater is mandatory
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checkNextIntelTemp()
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})
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}
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}
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// -------------------------------------------------------
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// -------------------------------------------------------
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// Parse memory info from /proc/meminfo
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function parseMemoryInfo(text) {
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if (!text)
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return
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const lines = text.split('\n')
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let memTotal = 0
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let memAvailable = 0
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for (const line of lines) {
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if (line.startsWith('MemTotal:')) {
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memTotal = parseInt(line.split(/\s+/)[1]) || 0
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} else if (line.startsWith('MemAvailable:')) {
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memAvailable = parseInt(line.split(/\s+/)[1]) || 0
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}
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}
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if (memTotal > 0) {
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const usageKb = memTotal - memAvailable
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root.memGb = (usageKb / 1000000).toFixed(1)
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root.memPercent = Math.round((usageKb / memTotal) * 100)
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}
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}
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// -------------------------------------------------------
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// Calculate CPU usage from /proc/stat
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function calculateCpuUsage(text) {
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if (!text)
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return
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const lines = text.split('\n')
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const cpuLine = lines[0]
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// First line is total CPU
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if (!cpuLine.startsWith('cpu '))
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return
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const parts = cpuLine.split(/\s+/)
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const stats = {
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"user": parseInt(parts[1]) || 0,
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"nice": parseInt(parts[2]) || 0,
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"system": parseInt(parts[3]) || 0,
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"idle": parseInt(parts[4]) || 0,
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"iowait": parseInt(parts[5]) || 0,
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"irq": parseInt(parts[6]) || 0,
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"softirq": parseInt(parts[7]) || 0,
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"steal": parseInt(parts[8]) || 0,
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"guest": parseInt(parts[9]) || 0,
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"guestNice": parseInt(parts[10]) || 0
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}
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const totalIdle = stats.idle + stats.iowait
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const total = Object.values(stats).reduce((sum, val) => sum + val, 0)
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if (root.prevCpuStats) {
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const prevTotalIdle = root.prevCpuStats.idle + root.prevCpuStats.iowait
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const prevTotal = Object.values(root.prevCpuStats).reduce((sum, val) => sum + val, 0)
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const diffTotal = total - prevTotal
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const diffIdle = totalIdle - prevTotalIdle
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if (diffTotal > 0) {
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root.cpuUsage = (((diffTotal - diffIdle) / diffTotal) * 100).toFixed(1)
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}
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}
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root.prevCpuStats = stats
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}
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// -------------------------------------------------------
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// Calculate RX and TX speed from /proc/net/dev
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// Average speed of all interfaces excepted 'lo'
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function calculateNetworkSpeed(text) {
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if (!text) {
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return
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}
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const currentTime = Date.now() / 1000
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const lines = text.split('\n')
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let totalRx = 0
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let totalTx = 0
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for (var i = 2; i < lines.length; i++) {
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const line = lines[i].trim()
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if (!line) {
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continue
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}
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const colonIndex = line.indexOf(':')
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if (colonIndex === -1) {
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continue
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}
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const iface = line.substring(0, colonIndex).trim()
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if (iface === 'lo') {
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continue
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}
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const statsLine = line.substring(colonIndex + 1).trim()
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const stats = statsLine.split(/\s+/)
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const rxBytes = parseInt(stats[0], 10) || 0
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const txBytes = parseInt(stats[8], 10) || 0
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totalRx += rxBytes
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totalTx += txBytes
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}
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// Compute only if we have a previous run to compare to.
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if (root.prevTime > 0) {
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const timeDiff = currentTime - root.prevTime
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// Avoid division by zero if time hasn't passed.
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if (timeDiff > 0) {
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let rxDiff = totalRx - root.prevRxBytes
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let txDiff = totalTx - root.prevTxBytes
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// Handle counter resets (e.g., WiFi reconnect), which would cause a negative value.
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if (rxDiff < 0) {
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rxDiff = 0
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}
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if (txDiff < 0) {
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txDiff = 0
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}
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root.rxSpeed = Math.round(rxDiff / timeDiff) // Speed in Bytes/s
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root.txSpeed = Math.round(txDiff / timeDiff)
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}
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}
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root.prevRxBytes = totalRx
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root.prevTxBytes = totalTx
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root.prevTime = currentTime
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}
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// -------------------------------------------------------
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// Helper function to format network speeds
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function formatSpeed(bytesPerSecond) {
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if (bytesPerSecond < 1024 * 1024) {
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return (bytesPerSecond / 1024).toFixed(1) + "KB/s"
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} else if (bytesPerSecond < 1024 * 1024 * 1024) {
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return (bytesPerSecond / (1024 * 1024)).toFixed(1) + "MB/s"
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} else {
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return (bytesPerSecond / (1024 * 1024 * 1024)).toFixed(1) + "GB/s"
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}
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}
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// Compact speed formatter for vertical bar display
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function formatCompactSpeed(bytesPerSecond) {
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if (!bytesPerSecond || bytesPerSecond <= 0)
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return "0"
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const units = ["", "K", "M", "G"]
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let value = bytesPerSecond
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let unitIndex = 0
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while (value >= 1024 && unitIndex < units.length - 1) {
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value = value / 1024.0
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unitIndex++
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}
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// Promote at ~100 of current unit (e.g., 100k -> ~0.1M shown as 0.1M or 0M if rounded)
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if (unitIndex < units.length - 1 && value >= 100) {
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value = value / 1024.0
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unitIndex++
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}
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const display = Math.round(value).toString()
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return display + units[unitIndex]
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}
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// -------------------------------------------------------
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// Function to start fetching and computing the cpu temperature
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function updateCpuTemperature() {
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// For AMD sensors (k10temp and zenpower), only use Tctl sensor
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// temp1_input corresponds to Tctl (Temperature Control) on these sensors
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if (root.cpuTempSensorName === "k10temp" || root.cpuTempSensorName === "zenpower") {
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cpuTempReader.path = `${root.cpuTempHwmonPath}/temp1_input`
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cpuTempReader.reload()
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} // For Intel coretemp, start averaging all available sensors/cores
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else if (root.cpuTempSensorName === "coretemp") {
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root.intelTempValues = []
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root.intelTempFilesChecked = 0
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checkNextIntelTemp()
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}
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}
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// -------------------------------------------------------
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// Function to check next Intel temperature sensor
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function checkNextIntelTemp() {
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if (root.intelTempFilesChecked >= root.intelTempMaxFiles) {
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// Calculate average of all found temperatures
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if (root.intelTempValues.length > 0) {
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let sum = 0
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for (var i = 0; i < root.intelTempValues.length; i++) {
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sum += root.intelTempValues[i]
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}
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root.cpuTemp = Math.round(sum / root.intelTempValues.length)
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//Logger.log("SystemStat", `Averaged ${root.intelTempValues.length} CPU thermal sensors: ${root.cpuTemp}°C`)
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} else {
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Logger.warn("SystemStat", "No temperature sensors found for coretemp")
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root.cpuTemp = 0
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}
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return
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}
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// Check next temperature file
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root.intelTempFilesChecked++
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cpuTempReader.path = `${root.cpuTempHwmonPath}/temp${root.intelTempFilesChecked}_input`
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cpuTempReader.reload()
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}
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}
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