73 lines
2.6 KiB
QML
73 lines
2.6 KiB
QML
import QtQuick
|
|
import Quickshell
|
|
import Quickshell.Io
|
|
|
|
// Lightweight system monitor using standard Linux interfaces.
|
|
// Provides cpu usage %, cpu temperature (°C), and memory usage %.
|
|
// No external helpers; uses /proc and /sys via a shell loop.
|
|
Item {
|
|
id: root
|
|
|
|
// Public values
|
|
property real cpuUsage: 0
|
|
property real cpuTemp: 0
|
|
property real memoryUsagePer: 0
|
|
property real diskUsage: 0
|
|
|
|
// Interval in seconds between updates
|
|
property int intervalSeconds: 1
|
|
|
|
// Background process emitting one JSON line per sample
|
|
Process {
|
|
id: reader
|
|
running: true
|
|
command: [
|
|
"sh", "-c",
|
|
// Outputs: {"cpu":<int>,"memper":<int>,"cputemp":<int>}
|
|
"interval=" + intervalSeconds + "; " +
|
|
"while true; do " +
|
|
// First /proc/stat snapshot
|
|
"read _ u1 n1 s1 id1 iw1 ir1 si1 st1 gs1 < /proc/stat; " +
|
|
"t1=$((u1+n1+s1+id1+iw1+ir1+si1+st1)); i1=$((id1+iw1)); " +
|
|
"sleep $interval; " +
|
|
// Second /proc/stat snapshot
|
|
"read _ u2 n2 s2 id2 iw2 ir2 si2 st2 gs2 < /proc/stat; " +
|
|
"t2=$((u2+n2+s2+id2+iw2+ir2+si2+st2)); i2=$((id2+iw2)); " +
|
|
"dt=$((t2 - t1)); di=$((i2 - i1)); " +
|
|
"cpu=$(( (100*(dt - di)) / (dt>0?dt:1) )); " +
|
|
// Memory percent via /proc/meminfo (kB)
|
|
"mt=$(awk '/MemTotal/ {print $2}' /proc/meminfo); " +
|
|
"ma=$(awk '/MemAvailable/ {print $2}' /proc/meminfo); " +
|
|
"mm=$((mt - ma)); mp=$(( (100*mm) / (mt>0?mt:1) )); " +
|
|
// Temperature: scan hwmon and thermal zones, choose max; convert m°C → °C
|
|
"ct=0; " +
|
|
"for f in /sys/class/hwmon/hwmon*/temp*_input /sys/class/thermal/thermal_zone*/temp; do " +
|
|
"[ -r \"$f\" ] || continue; v=$(cat \"$f\" 2>/dev/null); " +
|
|
"[ -z \"$v\" ] && continue; " +
|
|
"if [ \"$v\" -gt 1000 ] 2>/dev/null; then v=$((v/1000)); fi; " +
|
|
"[ \"$v\" -gt \"$ct\" ] 2>/dev/null && ct=$v; " +
|
|
"done; " +
|
|
// Disk usage percent for root filesystem
|
|
"dp=$(df -P / 2>/dev/null | awk 'NR==2{gsub(/%/,\"\",$5); print $5}'); " +
|
|
"[ -z \"$dp\" ] && dp=0; " +
|
|
// Emit JSON line
|
|
"echo \"{\\\"cpu\\\":$cpu,\\\"memper\\\":$mp,\\\"cputemp\\\":$ct,\\\"diskper\\\":$dp}\"; " +
|
|
"done"
|
|
]
|
|
|
|
stdout: SplitParser {
|
|
onRead: function (line) {
|
|
try {
|
|
const data = JSON.parse(line)
|
|
root.cpuUsage = +data.cpu
|
|
root.cpuTemp = +data.cputemp
|
|
root.memoryUsagePer = +data.memper
|
|
root.diskUsage = +data.diskper
|
|
} catch (e) {
|
|
// ignore malformed lines
|
|
}
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|