37 lines
825 B
QML
37 lines
825 B
QML
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import QtQuick
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// polybar 'internal/cpu'; silent until cpu usage is high
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BarLabel {
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id: cpu
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property int warnPercentage: 79
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property real lastIdle: 0
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property real lastTotal: 0
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color: Colors.alert
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text: ""
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PollingCommand {
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interval: 3000
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command: ["head", "-n1", "/proc/stat"]
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onOutput: output => {
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const fields = output.trim().split(/\s+/).slice(1).map(Number)
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const idle = fields[3] + fields[4] // idle + iowait
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const total = fields.reduce((sum, value) => sum + value, 0)
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const deltaTotal = total - cpu.lastTotal
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const used = cpu.lastTotal > 0 && deltaTotal > 0
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? Math.round((1 - (idle - cpu.lastIdle) / deltaTotal) * 100)
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: 0
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cpu.lastIdle = idle
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cpu.lastTotal = total
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cpu.text = used >= cpu.warnPercentage
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? `CPU${String(used).padStart(2)}%`
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: ""
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}
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}
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}
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