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dotfiles/quickshell/Services/SystemStatService.qml

393 lines
13 KiB
QML

import Qt.labs.folderlistmodel
import QtQuick
import Quickshell
import Quickshell.Io
import qs.Utils
pragma Singleton
Singleton {
// For Intel coretemp, start averaging all available sensors/cores
id: root
// Public values
property real cpuUsage: 0
property real cpuTemp: 0
property real memGb: 0
property real memPercent: 0
property real diskPercent: 0
property real rxSpeed: 0
property real txSpeed: 0
// Configuration
property int sleepDuration: 3000
property int fasterSleepDuration: 1000
// Internal state for CPU calculation
property var prevCpuStats: null
// Internal state for network speed calculation
// Previous Bytes need to be stored as 'real' as they represent the total of bytes transfered
// since the computer started, so their value will easily overlfow a 32bit int.
property real prevRxBytes: 0
property real prevTxBytes: 0
property real prevTime: 0
// Cpu temperature is the most complex
readonly property var supportedTempCpuSensorNames: ["coretemp", "k10temp", "zenpower"]
property string cpuTempSensorName: ""
property string cpuTempHwmonPath: ""
// For Intel coretemp averaging of all cores/sensors
property var intelTempValues: []
property int intelTempFilesChecked: 0
property int intelTempMaxFiles: 20 // Will test up to temp20_input
// -------------------------------------------------------
// -------------------------------------------------------
// Parse memory info from /proc/meminfo
function parseMemoryInfo(text) {
if (!text)
return ;
const lines = text.split('\n');
let memTotal = 0;
let memAvailable = 0;
for (const line of lines) {
if (line.startsWith('MemTotal:'))
memTotal = parseInt(line.split(/\s+/)[1]) || 0;
else if (line.startsWith('MemAvailable:'))
memAvailable = parseInt(line.split(/\s+/)[1]) || 0;
}
if (memTotal > 0) {
const usageKb = memTotal - memAvailable;
root.memGb = (usageKb / 1e+06).toFixed(1);
root.memPercent = Math.round((usageKb / memTotal) * 100);
}
}
// -------------------------------------------------------
// Calculate CPU usage from /proc/stat
function calculateCpuUsage(text) {
if (!text)
return ;
const lines = text.split('\n');
const cpuLine = lines[0];
// First line is total CPU
if (!cpuLine.startsWith('cpu '))
return ;
const parts = cpuLine.split(/\s+/);
const stats = {
"user": parseInt(parts[1]) || 0,
"nice": parseInt(parts[2]) || 0,
"system": parseInt(parts[3]) || 0,
"idle": parseInt(parts[4]) || 0,
"iowait": parseInt(parts[5]) || 0,
"irq": parseInt(parts[6]) || 0,
"softirq": parseInt(parts[7]) || 0,
"steal": parseInt(parts[8]) || 0,
"guest": parseInt(parts[9]) || 0,
"guestNice": parseInt(parts[10]) || 0
};
const totalIdle = stats.idle + stats.iowait;
const total = Object.values(stats).reduce((sum, val) => {
return sum + val;
}, 0);
if (root.prevCpuStats) {
const prevTotalIdle = root.prevCpuStats.idle + root.prevCpuStats.iowait;
const prevTotal = Object.values(root.prevCpuStats).reduce((sum, val) => {
return sum + val;
}, 0);
const diffTotal = total - prevTotal;
const diffIdle = totalIdle - prevTotalIdle;
if (diffTotal > 0)
root.cpuUsage = (((diffTotal - diffIdle) / diffTotal) * 100).toFixed(1);
}
root.prevCpuStats = stats;
}
// -------------------------------------------------------
// Calculate RX and TX speed from /proc/net/dev
// Average speed of all interfaces excepted 'lo'
function calculateNetworkSpeed(text) {
if (!text)
return ;
const currentTime = Date.now() / 1000;
const lines = text.split('\n');
let totalRx = 0;
let totalTx = 0;
for (var i = 2; i < lines.length; i++) {
const line = lines[i].trim();
if (!line)
continue;
const colonIndex = line.indexOf(':');
if (colonIndex === -1)
continue;
const iface = line.substring(0, colonIndex).trim();
if (iface === 'lo')
continue;
const statsLine = line.substring(colonIndex + 1).trim();
const stats = statsLine.split(/\s+/);
const rxBytes = parseInt(stats[0], 10) || 0;
const txBytes = parseInt(stats[8], 10) || 0;
totalRx += rxBytes;
totalTx += txBytes;
}
// Compute only if we have a previous run to compare to.
if (root.prevTime > 0) {
const timeDiff = currentTime - root.prevTime;
// Avoid division by zero if time hasn't passed.
if (timeDiff > 0) {
let rxDiff = totalRx - root.prevRxBytes;
let txDiff = totalTx - root.prevTxBytes;
// Handle counter resets (e.g., WiFi reconnect), which would cause a negative value.
if (rxDiff < 0)
rxDiff = 0;
if (txDiff < 0)
txDiff = 0;
root.rxSpeed = Math.round(rxDiff / timeDiff); // Speed in Bytes/s
root.txSpeed = Math.round(txDiff / timeDiff);
}
}
root.prevRxBytes = totalRx;
root.prevTxBytes = totalTx;
root.prevTime = currentTime;
}
// -------------------------------------------------------
// Helper function to format network speeds
function formatSpeed(bytesPerSecond) {
if (bytesPerSecond < 1024 * 1024) {
const kb = bytesPerSecond / 1024;
if (kb < 10)
return kb.toFixed(1) + "KB";
else
return Math.round(kb) + "KB";
} else if (bytesPerSecond < 1024 * 1024 * 1024) {
return (bytesPerSecond / (1024 * 1024)).toFixed(1) + "MB";
} else {
return (bytesPerSecond / (1024 * 1024 * 1024)).toFixed(1) + "GB";
}
}
// -------------------------------------------------------
// Compact speed formatter for vertical bar display
function formatCompactSpeed(bytesPerSecond) {
if (!bytesPerSecond || bytesPerSecond <= 0)
return "0";
const units = ["", "K", "M", "G"];
let value = bytesPerSecond;
let unitIndex = 0;
while (value >= 1024 && unitIndex < units.length - 1) {
value = value / 1024;
unitIndex++;
}
// Promote at ~100 of current unit (e.g., 100k -> ~0.1M shown as 0.1M or 0M if rounded)
if (unitIndex < units.length - 1 && value >= 100) {
value = value / 1024;
unitIndex++;
}
const display = Math.round(value).toString();
return display + units[unitIndex];
}
// -------------------------------------------------------
// Function to start fetching and computing the cpu temperature
function updateCpuTemperature() {
// For AMD sensors (k10temp and zenpower), only use Tctl sensor
// temp1_input corresponds to Tctl (Temperature Control) on these sensors
if (root.cpuTempSensorName === "k10temp" || root.cpuTempSensorName === "zenpower") {
cpuTempReader.path = `${root.cpuTempHwmonPath}/temp1_input`;
cpuTempReader.reload();
} else if (root.cpuTempSensorName === "coretemp") {
root.intelTempValues = [];
root.intelTempFilesChecked = 0;
checkNextIntelTemp();
}
}
// -------------------------------------------------------
// Function to check next Intel temperature sensor
function checkNextIntelTemp() {
if (root.intelTempFilesChecked >= root.intelTempMaxFiles) {
// Calculate average of all found temperatures
if (root.intelTempValues.length > 0) {
let sum = 0;
for (var i = 0; i < root.intelTempValues.length; i++) {
sum += root.intelTempValues[i];
}
root.cpuTemp = Math.round(sum / root.intelTempValues.length);
} else {
Logger.warn("SystemStatService", "No temperature sensors found for coretemp");
root.cpuTemp = 0;
}
return ;
}
// Check next temperature file
root.intelTempFilesChecked++;
cpuTempReader.path = `${root.cpuTempHwmonPath}/temp${root.intelTempFilesChecked}_input`;
cpuTempReader.reload();
}
// --------------------------------------------
Component.onCompleted: {
// Kickoff the cpu name detection for temperature
cpuTempNameReader.checkNext();
}
// --------------------------------------------
// Timer for periodic updates
Timer {
id: updateTimer
interval: root.sleepDuration
repeat: true
running: true
triggeredOnStart: true
onTriggered: {
// Trigger all direct system files reads
memInfoFile.reload();
cpuStatFile.reload();
// Run df (disk free) one time
dfProcess.running = true;
updateCpuTemperature();
}
}
Timer {
id: fasterUpdateTimer
interval: root.fasterSleepDuration
repeat: true
running: true
triggeredOnStart: true
onTriggered: {
netDevFile.reload();
}
}
// --------------------------------------------
// FileView components for reading system files
FileView {
id: memInfoFile
path: "/proc/meminfo"
onLoaded: parseMemoryInfo(text())
}
FileView {
id: cpuStatFile
path: "/proc/stat"
onLoaded: calculateCpuUsage(text())
}
FileView {
id: netDevFile
path: "/proc/net/dev"
onLoaded: calculateNetworkSpeed(text())
}
// --------------------------------------------
// Process to fetch disk usage in percent
// Uses 'df' aka 'disk free'
Process {
id: dfProcess
command: ["df", "--output=pcent", "/"]
running: false
stdout: StdioCollector {
onStreamFinished: {
const lines = text.trim().split('\n');
if (lines.length >= 2) {
const percent = lines[1].replace(/[^0-9]/g, '');
root.diskPercent = parseInt(percent) || 0;
}
}
}
}
// --------------------------------------------
// --------------------------------------------
// CPU Temperature
// It's more complex.
// ----
// #1 - Find a common cpu sensor name ie: "coretemp", "k10temp", "zenpower"
FileView {
id: cpuTempNameReader
property int currentIndex: 0
function checkNext() {
if (currentIndex >= 16) {
// Check up to hwmon10
Logger.warn("SystemStatService", "No supported temperature sensor found");
return ;
}
cpuTempNameReader.path = `/sys/class/hwmon/hwmon${currentIndex}/name`;
cpuTempNameReader.reload();
}
printErrors: false
onLoaded: {
const name = text().trim();
if (root.supportedTempCpuSensorNames.includes(name)) {
root.cpuTempSensorName = name;
root.cpuTempHwmonPath = `/sys/class/hwmon/hwmon${currentIndex}`;
Logger.log("SystemStatService", `Found ${root.cpuTempSensorName} CPU thermal sensor at ${root.cpuTempHwmonPath}`);
} else {
currentIndex++;
Qt.callLater(() => {
// Qt.callLater is mandatory
checkNext();
});
}
}
onLoadFailed: function(error) {
currentIndex++;
Qt.callLater(() => {
// Qt.callLater is mandatory
checkNext();
});
}
}
// ----
// #2 - Read sensor value
FileView {
id: cpuTempReader
printErrors: false
onLoaded: {
const data = text().trim();
if (root.cpuTempSensorName === "coretemp") {
// For Intel, collect all temperature values
const temp = parseInt(data) / 1000;
root.intelTempValues.push(temp);
Qt.callLater(() => {
// Qt.callLater is mandatory
checkNextIntelTemp();
});
} else {
// For AMD sensors (k10temp and zenpower), directly set the temperature
root.cpuTemp = Math.round(parseInt(data) / 1000);
}
}
onLoadFailed: function(error) {
Qt.callLater(() => {
// Qt.callLater is mandatory
checkNextIntelTemp();
});
}
}
}